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Including addition polymer from alpha-beta unsaturated carboxylic acid (e.g., acrylic acid, methacrylic acid, etc.) or derivative thereof

Subclass of:

428 - Stock material or miscellaneous articles

428221000 - WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT

428343000 - Adhesive outermost layer

428355000 - Adhesive compositions

428355000 - Including addition polymer from unsaturated monomer

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
428355000 Including addition polymer from alpha-beta unsaturated carboxylic acid (e.g., acrylic acid, methacrylic acid, etc.) or derivative thereof 89
20130084454RESIN COMPOSITION, RESIN AND METHOD FOR MANUFACTURING THE SAME - A resin composition, a resin and a method for manufacturing the same. The resin composition includes a plant oil derivative, and a multifunctional carboxylic acid, anhydride compound or a copolymer containing anhydride. The multifunctional carboxylic acid, the anhydride compound or the copolymer containing anhydride has an amount of 5-60 parts by weight relative to 100 parts by weight of the plant oil derivative.04-04-2013
20100104865Peroxide-Curable Silicone-Based Pressure-Sensitive Adhesive Composition and Adhesive Take - A peroxide-curable silicone-based pressure-sensitive adhesive composition comprising (A) a diorganopolysiloxane having silicon-bonded alkenyl groups at both molecular terminals used in amount of 100 parts by weight; (B) an organopolysiloxane resin having one or more silanol(OH) groups in one molecule and consisting of R04-29-2010
20130071658ADHESIVE COMPOSITION, ADHESIVE TAPE, METHOD FOR PROCESSING SEMICONDUCTOR WAFER AND METHOD FOR PRODUCING TSV WAFER - The present invention aims to provide an adhesive composition having high adhesive strength, as well as being easily detachable and having excellent heat resistance, an adhesive tape comprising the adhesive composition, a method for treating a semiconductor wafer using the adhesive tape, and a method for producing a TSV wafer. The present invention relates to an adhesive composition comprising: an adhesive component; and a tetrazole compound represented by the following formula (1), formula (2), or formula (3), or its salt:03-21-2013
20090011231Adhesive Sheet and Copper-Clad Laminate - Disclosed is an adhesive film having high dimensional stability which can be suitably used for two layer FPCs. Specifically, disclosed is an adhesive sheet composed of an insulting layer and an adhesive layer arranged on one side or both sides of the insulating layer. This adhesive sheet is characterized in that the insulating layer has a ratio E′2/E′1 between the storage elasticity modulus E′1 at 25° C. and the storage elasticity modulus E′2 at 380° C. of not more than 0.2 and a coefficient of thermal expansion in the MD direction of 5-15 ppm at 100-200° C. It is further characterized in that the change in the coefficient of thermal expansion of the adhesive sheet at 100-250° C. after heat treatment at 380° C. for 30 second under tension of 20 kg/m is not more than 2.5 ppm in the tension direction and not more than 10 ppm in the direction perpendicular to the tension direction.01-08-2009
20100080991PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL MEMBER ADHESION - The present invention provide a pressure-sensitive adhesive sheet for optical member adhesion, which includes at least an acrylic pressure-sensitive adhesive layer, in which the acrylic pressure-sensitive adhesive layer has a storage modulus at 23° C. of from 1.0×1004-01-2010
20080286571Surface Protective Sheet - The present invention relates to a surface protective sheet having a pressure-sensitive adhesive layer on at least one side of a substrate; wherein, the pressure-sensitive adhesive contains 100 parts by weight of a styrene-isobutylene block copolymer, and 0 to 300 parts by weight of a softening agent and 0 to less than 20 parts by weight of a tackifying resin, both based on 100 parts by weight of the styrene-isobutylene block copolymer.11-20-2008
20090142593PRESSURE-SENSITIVE ADHESIVE TAPE - The present invention relates to a pressure-sensitive adhesive tape including a substrate and at least one pressure-sensitive adhesive layer disposed on at least one surface of the substrate, in which the substrate is formed of an olefinic resin composition containing a polyolefin resin and a metal hydroxide, and in which the pressure-sensitive adhesive layer is formed of an emulsion-type acrylic adhesive composition containing an acrylic emulsion in which emulsion particles have a mean particle size of 0.2 μm or less. The pressure-sensitive adhesive tape of the invention has excellent edge-peeling resistance and is capable of exhibiting a suitable rewinding power.06-04-2009
20110223421Silicone Composition And A Method For Preparing The Same - A silicone composition comprises (a) a curable silicone resin, (b) an inorganic particle having a polymeric surface coating formed thereon, and (c) a cross-linking compound. The (a) curable silicone resin comprises units having a functional group R1 selected from an aryl group, an alkyl group, an alkenyl group, and hydrogen. The polymeric surface coating comprises an organopolysiloxane. The organopolysiloxane comprises units selected from R09-15-2011
20090324944PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - A pressure-sensitive adhesive optical film of the present invention comprises: an optical film; and a pressure-sensitive adhesive layer placed on at least one side of the optical film, wherein the pressure-sensitive adhesive layer has an equilibrium moisture content ratio (a) of 0.5% by weight or less, the pressure-sensitive adhesive layer shows a displacement amount (b) of 600 μm or less in one hour at 23° C., when a tensile shearing stress of 500 gf is applied to an adhesion area of 10 mm×10 mm having a thickness of 25 μm, and the equilibrium moisture content ratio (a) and the displacement amount (b) satisfy the relation: b<1036.4×e12-31-2009
20090324945RADIATION-CURABLE MIXTURE CONTAINING LOW-MOLECULAR, ETHYLENICALLY UNSATURATED COMPOUNDS HAVING NON-AROMATIC RING SYSTEMS - A mixture comprising 12-31-2009
20090324943Object identification using quantum dots fluorescence allocated on fraunhofer solar spectral lines - An optical based identification system that is easily deployable and can be used in broad daylight. Fluorescent semiconductor nanocrystals (quantum dots) that fluoresce at specific wavelengths are distributed in a suitable polymer. The resulting mixture can then be applied as paint or on an adhesive label for application to a portion of any equipment or member of a friendly unit. The system also has a corresponding detectional processing unit which may be mounted on ordnance or on any other equipment such as aircraft. The detection unit uses a laser, which when active, causes a laser beam to strike the paint or adhesive able applied to the friendly unit. This causes the quantum dots to fluoresce. The fluorescence of the quantum dots can be detected by the sensor portion of the detection/processing unit. The sensor portion then transmits the data generated by the detected fluorescence to a data processing portion detection/processing unit such as a corresponding signal to the equipment operator or, if the unit is mounted on ordnance that has been launched to the warhead to deactivate the warhead. To overcome the effects of broad daylight on an optical system, the quantum dots can be detected by the sensor portions of the detection/processing unit. The sensor portion then transmits the data generated by the detected fluorescence to a data processing portion which decodes the data. If the decoded data indicates a friendly unit, the detection/processing unit sends a corresponding signal to the equipment operator or, if the unit is mounted on ordnance that has been launched to the warhead to deactivate the warhead. To overcome the effects of broad daylight on an optical system, the quantum dots are engineered to fluoresce at wavelengths corresponding to the absorption lines of the solar spectrum, more commonly known as Fraunhofer lines.12-31-2009
20100178502LOW VOLATILES COATINGS, SEALANTS AND BINDERS FROM RENEWABLE OILS - A composition comprises (a) a binder component which comprises (1) 5 to 100 weight percent of at least one natural oil derived polyol having at least about 50 percent primary hydroxyl groups and (2) sufficient additional polyol different from a natural oil derived polyol to make 100 percent wherein the natural oil derived polyol has an average of from 1.5 to 3 hydroxyl groups per molecule and an equivalent weight of from 200 to 5000; and (b) a crosslinking component reactive with hydroxyl groups. Furthermore, a process for producing a coating, adhesive, binder or combination thereof on the surface of a substrate, comprises in any order: (a) admixing binder and crosslinking components of a composition to form an admixture, wherein a binder component comprises (1) 5 to 100 weight percent of at least one natural oil derived polyol having at least about 50 percent primary hydroxyl groups and (2) sufficient additional polyol different from a natural oil derived polyol to make 100 percent wherein the natural oil derived polyol has an average of from 1.5 to 3 hydroxyl groups per molecule and an equivalent weight of from 200 to 5000; and (b) applying a layer of said admixture on said surface. The invention includes coatings, adhesives, binders and combinations thereof prepared from any composition of the invention, substrates coated by the process of the invention or coated using a composition of the invention and articles, including laminates, comprising a coating, adhesive, binder or combination thereof of the invention.07-15-2010
20110027584Silicone Composition, Silicone Adhesive, Coated and Laminated Substrates - A silicone composition comprising at least one organohydrogenpolysiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule, a cross-linking agent having an average of at least two aliphatic carbon-carbon double bonds per molecule, and a hydrosilylation catalyst; a silicone adhesive comprising a cured product of at least one oganohydrogenpolysiloxane; and a coated substrate and a laminated substrate, each comprising the silicone adhesive.02-03-2011
20110027583Adhesive compositions - Adhesive compositions suitable for use as tie-layer adhesives in multi-layer films and sheets are provided. The adhesive compositions contain an olefin polymer base resin, a modified polyolefin and a paraffinic liquid hydrocarbon.02-03-2011
20110111222ADHERENCE SUBSTANCE, PRESSURE SENSITIVE ADHESIVE SHEET AND ITS USE - To provide an adherence substance which has a low viscosity and good coatability, can be made solvent free, is less likely to undergo an increase in the adhesive strength with time and has good adhesion to an adherend while the adhesive strength is low, is excellent in removability and has a good wettability.05-12-2011
20110033701AQUEOUS POLYMER DISPERSIONS FOR ADHESIVES - The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, e.g., plastics labels.02-10-2011
20090029162PRESSURE SENSITIVE ADHESIVE COMPOSITION, PRESSURE SENSITIVE ADHESIVE SHEET AND SURFACE PROTECTIVE FILM - A pressure-sensitive adhesive composition characterized by comprising a water-dispersible (meth)acryl-based polymer containing, as a monomer component, 50 to 99.9% by weight of a (meth)acrylate having an alkyl group with a carbon number of 1 to 14, and an ionic liquid. There is provided a pressure-sensitive adhesive composition that attains static charge prevention at peeling between pressure sensitive adhesive layer and adherend not rendered antistatic, thereby reducing contamination of the adherend. Also, there are provided, making use of the same, an antistatic pressure sensitive adhesive sheet and surface protective film.01-29-2009
20110250447PRESSURE-SENSITIVE ADHESIVE SHEET TO BE STUCK TO THE SKIN - A pressure-sensitive adhesive sheet to be stuck to the skin which comprises a support and a pressure-sensitive adhesive layer located on the support, characterized in that the pressure-sensitive adhesive layer is formed by curing a composition containing (A) a polyoxyalkylene polymer having at least one alkenyl group per molecule, (B) a compound having hydrosilyl groups at both ends, (C) a compound having two or more hydrosilyl groups on average per molecule, and (D) a hydrosilylation catalyst. Compared with the existing pressure-sensitive adhesive sheets to be stuck to the skin, the pressure-sensitive adhesive sheet to be stuck to the skin as described above little irritates the skin and can achieve a sufficient pressure-sensitive adhesion force and a long-lasting fixation force to the skin.10-13-2011
20110076494Fire Resistant Laminates and Articles Made Therefrom - Laminates suitable for constructing waterproof and breathable articles such as protective clothing which are both comfortable and exhibit enhanced resistance to fire are described. Particularly, flame resistant laminate constructions are described comprising a meltable textile as the outermost layer laminated to an intermediate protective layer comprising a waterproof film laminated to an innermost fabric layer comprising a thermally stable textile. Laminate constructions of the present invention exhibit breathability on the order of at least 1000 MVTR, a water entry pressure of at least 0.5 psi and have a horizontal flame break open time of at least 10 seconds.03-31-2011
20100266842ADHESIVE SHEET FOR SEMICONDUCTOR, AND DICING TAPE INTEGRATED ADHESIVE SHEET FOR SEMICONDUCTOR - There is provided an adhesive sheet for a semiconductor and a dicing tape integrated adhesive sheet for a semiconductor that are each good in cuttability when the sheets are each cut into individual pieces by expansion and are each good in embeddability into irregularities in a wiring board when the sheets are each molded thereto. An adhesive sheet for a semiconductor includes a resin composition containing a high-molecular-weight component and a filler, the breaking elongation of the adhesive sheet before curing is 40% or less at 0° C., and the elastic modulus of the adhesive sheet after curing is from 0.1 to 10 MPa at 175° C.10-21-2010
20090011232ALIGNED CARBON NANOTUBES FOR DRY ADHESIVES AND METHODS FOR PRODUCING SAME - A nanocomposite dry adhesive. The nanocomposite dry adhesive includes a substrate; and an array of vertically aligned single-walled carbon nanotubes or vertically aligned multi-walled carbon nanotubes on the substrate, wherein the nanocomposite dry adhesive utilizes the array of single-walled carbon nanotubes or multi-walled carbon nanotubes as synthesized, the as synthesized single-walled carbon nanotubes being substantially free of randomly entangled nanotube segments on top of the vertically aligned single-walled carbon nanotubes, the as synthesized multi-walled carbon nanotubes having randomly entangled nanotube segments on top of the vertically aligned multi-walled carbon nanotubes; wherein the dry adhesive has a normal adhesion strength of at least about 5 N·cm01-08-2009
20100285312SILICONE-TYPE PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE SHEET, AND SILICONE RUBBER LAMINATE - A silicone-type pressure-sensitive adhesive composition comprising (A) 100 weight parts of organopolysiloxane condensation reaction product that has at least two alkenyl groups and that is yielded by a condensation reaction between (a) hydroxyl-functional diorganopolysiloxane and (b) organopolysiloxane resin, (B) organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in the molecule, in an amount sufficient to provide from 1 to 200 silicon-bonded hydrogen atoms with reference to all the alkenyl groups in the composition, (C) an organotitanium compound, at from 0.1 to 20 weight parts, and (D) a platinum catalyst in a catalytic quantity.11-11-2010
20110097579SILICONE-BASED PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE TAPE OR SHEET - Silicone-based pressure-sensitive adhesive composition comprising 100 parts (A) a branched organopolysiloxane having on molecular terminals at least two alkenyl groups and represented by (R04-28-2011
20080241529Flameproofed adhesive and sealing materials - The invention relates to flameproofed adhesive and sealing materials containing 0.1-99.9% by weight of adhesive or thermoplastic polymer and 0.1-99.9% by weight of flameproofing agent, wherein the flameproofing agent contains at least one phosphinic acid salt of the formula (I) and/or one diphosphinic acid salt of the formula (II)10-02-2008
20080299388Adhesive Composition and Adhesive Sheet - A pressure-sensitive adhesive composition capable of giving a pressure-sensitive adhesive sheet which simultaneously realizes satisfactory holding power, adhesion, and peel resistance in peeling from curved surfaces, while balancing these properties, and has satisfactory heat resistance. The composition comprises the following ingredients: (A) a maleimide crosslinking agent having two or more maleimide groups per molecule; (B) a monomer which, when caused to homopolymerize, gives a homopolymer having a glass transition temperature of −40° C. or lower; (C) a carboxylated monomer copolymerizable with the monomer of the ingredient (B); and (D) a photopolymerization initiator, the maleimide crosslinking agent of the ingredient (A) being contained in an amount of 0.01-2 parts by weight per 100 parts by weight of the sum of the monomers of the ingredients (B) and (C).12-04-2008
20120156484Bio-Based Adhesive Composition - The present invention is directed to a bio-based composition comprising a polycondensate of a dimer of a fatty alcohol and a dimer of a fatty acid, and an epoxidized fatty acid ester as a cross-linking agent, wherein the polycondensate and the epoxidized fatty acid ester are capable of reacting with each other. The invention is also directed to an adhesive obtainable by reacting the polycondensate and the epoxidized fatty acid ester, to a method for preparing the adhesive and to the use of the adhesive for laminating a sheet or a film06-21-2012
20120208017PRESSURE-SENSITIVE ADHESIVE TAPE FOR MASKING - A masking pressure-sensitive adhesive tape includes a substrate and a pressure-sensitive adhesive layer that is provided on at least one side of the substrate and made from a polyester-based pressure-sensitive adhesive composition containing a polyester including at least a lactic acid unit, a dibasic acid unit, and a glycol unit, and a crosslinking agent. The dibasic acid unit includes a dimer acid, the polyester has a weight average molecular weight of 20,000 to 200,000 and a glass transition temperature of −70 to −20° C. as measured using a differential scanning calorimeter at a temperature rise rate of 20° C./minute, the polyester has a hydroxyl value of 1 to 60 mgKOH/g, and the pressure-sensitive adhesive layer has a gel fraction of 40 to 90% by weight.08-16-2012
20120208016RADIATION-CURE REMOVAL TYPE PRESSURE-SENSITIVE ADHESIVE SHEET - A radiation-cure removable type pressure-sensitive adhesive sheet includes: a pressure-sensitive adhesive layer made from a polyester-based pressure-sensitive adhesive composition containing a polyester including at least a lactic acid unit, a dibasic acid unit, and a glycol unit, a radiation-cure resin, a radiation reaction initiator, and a crosslinking agent. The dibasic acid unit includes a dimer acid, the polyester has a glass transition temperature of −70 to −20° C., a weight average molecular weight of 20,000 to 200,000, and a hydroxyl value of 1 to 60 mgKOH/g, the composition contains 30 to 70 parts by weight of the radiation-cure resin based on 100 parts by weight of the polyester and contains 3 to 10% by weight of the radiation reaction initiator based on the amount of the radiation-cure resin.08-16-2012
20120315476ADHESIVE COMPOSITION AND SURFACE PROTECTION FILM USING THE SAME - An adhesive composition includes 100 parts by weight of a (meth)acrylate copolymer including 0 to less than 0.5 parts by weight of a carboxyl group containing monomer, 0.6 to 9 parts by weight of a hydroxyl group containing (meth)acrylic monomer, and 90.5 to 99.4 parts by weight of a (meth)acrylic acid ester monomer, and having a weight average molecular weight of 100,000 g/mol to less than 1,000,000 g/mol; and 0.1 to 5 parts by weight of a carbodiimide cross-linking agent.12-13-2012
20120177918SIMPLE ADHESIVE COACERVATES AND METHODS OF MAKING AND USING THEREOF - Described herein is the synthesis of adhesive from simple adhesive coacervates and their uses thereof. The adhesives are produced by (a) preparing a solution comprising (1) a polyelectrolyte, wherein the polyelectrolyte comprises a polyanion or polycation but not a combination thereof, the polyeletrolyte comprises at least one crosslinking group, and (2) a sufficient amount of a complimentary counterion to produce a simple adhesive coacervate; and (b) crosslinking the simple adhesive coacervate to produce the adhesive. The adhesives have numerous medical and non-medical applications.07-12-2012
20130011673MOISTURE-CURABLE SILOXANES AND SILOXANE POLYMERS - Siloxane-containing reactive compounds contain moisture-curable alkoxy-silane functional end groups. The siloxane-containing reactive compounds may be prepared from siloxane-containing oxamide compounds or amine compounds. Siloxane-containing polymers may be prepared from the reactive compounds by reaction with water. The siloxane-containing polymers may be release materials or adhesives.01-10-2013
20110135924POLYESTERS, POLYESTER COMPOSITIONS, PRESSURE-SENSITIVE ADHESIVE COMPOSITIONS, PRESSURE-SENSITIVE ADHESIVE LAYERS AND PRESSURE-SENSITIVE ADHESIVE SHEETS - The present invention provides a polyester, a polyester composition and a pressure-sensitive adhesive composition capable of obtaining a pressure-sensitive adhesive which is global-environmentally friendly and is excellent in pressure-sensitive adhesion properties, using a plant-derived raw material; and a pressure-sensitive adhesive layer and a pressure-sensitive adhesive sheet which can be obtained by using the same. A polyester of the present invention is a polyester comprising at least a lactic acid unit, a dibasic acid unit and a glycol unit, wherein the dibasic acid unit contains dimer acid, and the polyester has a glass transition temperature as measured at a temperature rising rate of 20° C./minute using a differential scanning calorimeter, of −70 to −20° C., a weight average molecular weight of 20,000 to 300,000 and a hydroxyl value of 1 to 100 mgKOH/g.06-09-2011
20080248299Pressure-Sensitive Adhesive and Method for Producing Same, and Pressure-Sensitive Adhesive Sheet - A pressure-sensitive adhesive, comprising a polymer (A), which is formed by polymerization of a radical polymerizable monomer, contains carboxyl groups, and has a glass transition temperature within a range from −80 to 0° C. and a weight average molecular weight within a range from 500,000 to 1,500,000, a tricyclic diterpene carboxylic acid (B), and a curing agent (C) capable of reacting with a carboxyl group, wherein the total acid value of the combination of the polymer (A) and the tricyclic diterpene carboxylic acid (B) is within a range from 5 to 50 (mgKOH/g).10-09-2008
20130143041ADHESIVE COMPOSITION INCLUDING DEACETYLATED CHITOSAN - The present invention relates to an adhesive composition comprising at least one deacetylated chitosan, an acid and an additional compound.06-06-2013
20080206558PRESSURE SENSITIVE ADHESIVE DISPERSION HAVING HIGH SOLIDS AND LOW VISCOSITY AND METHOD OF MAKING SAME - A water-based pressure sensitive adhesive dispersion is provided. The dispersion is a reaction product of a monomer solution and an aqueous phase. The monomer solution contains from about 40 to 70 parts water-insoluble monomer selected from the group consisting of alkyl acrylate, methacrylate, vinyl ester, and combinations thereof and from about 0.01 to 0.2 parts monomer soluble free radical initiator. The aqueous phase includes from about 1 to 20 parts latex binder, from about 0.1 to 2 parts surfactant, from about 0.02 to 1 parts polymeric suspension stabilizer, and water as a remaining balance. All parts are given as parts by weight per 100 parts of the dispersion. The dispersion has a solid phase of at least 60 weight percent, a viscosity of less than about 300 centipoise, measured at about 23° C., and a bimodal particle size distribution.08-28-2008
20120208018WATER-BASED NON-SILICONE ADHESIVE TAPE FOR SKIS - A silicone-free adhesive composition for use as a tape on skis comprises at least one water-based acrylic polymer pressure sensitive adhesive.08-16-2012
20110171466PRECAST THERMAL INTERFACE ADHESIVE FOR EASY AND REPEATED, SEPARATION AND REMATING - Precast curable thermal interface adhesives facilitating the easy and repeatable separation and remaining of electronic components at thermal interfaces thereof, and a method for implementing the foregoing repeatable separation and remating at the thermal interfaces of components through the use of such adhesives.07-14-2011
20100009182PEELABLE ADHESIVE SHEET, METHOD FOR RECORDING IMAGES AND METHOD FOR MANUFACTURING PEELABLE LAMINATED BODY - A peelable adhesive sheet is provided. The peelable adhesive sheet includes a base material and an adhesive composition layer that is provided to at least one side of the base material and that contains an acrylic resin and hollow particles. The adhesive composition layer is configured to removably adhere to another adhesive layer when at least two adhesive composition layers at least contact each other and at least pressure is applied thereto.01-14-2010
20090252959CROSS-LINKABLE PRESSURE-SENSITIVE ADHESIVE FOR DETACHABLE SOFT PVC SUPPORTS - Self-adhesive articles comprising at least one backing and a pressure sensitive adhesive comprising 10-08-2009
20130059149ADHESION PROMOTER SYSTEM, AND METHOD OF PRODUCING THE SAME - The instant invention is an adhesion promoter system, and method of producing the same. The adhesion promoter system comprises the admixing product of: (a) at least 60 percent by weight of a base polymer, based on the total weight of the solid content, wherein said base polymer comprises a propylene/ethylene copolymer composition, wherein said propylene/ethylene copolymer has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram), and a DSC melting point in the range of 25° C. to 110° C.; (b) less than 40 percent by weight of a functionalized polymer composition, based on the total weight of the solid content, wherein said functionalized polymer composition comprises homopolymers of propylene or copolymers of propylene with hexene, octene and/or other like alpha-olefins, the homopolymers or copolymers having a single unsaturation, a terminal succinic anhydride moiety, and additional succinic anhydride substitutions on the polypropylene backbone, where the succinic anhydride substitution ranges from about 5 to about 45 weight percent of functionalized polymer composition; (c) in the presence of one or more solvents at a temperature in the range of from 25° C. to 120° C.03-07-2013
20110293934Protein Adhesive Formulations with Amine-Epichlorohydrin and Isocyanate Additives - Disclosed is an adhesive composition comprising a protein component, an AE adduct component and an isocyanate component. Also disclosed is a composite and a method of making a composite comprising a substrate and the adhesive composition of the present invention.12-01-2011
20110262747ADHESIVES MADE FROM INTERPOLYMERS OF ETHYLENE/ALPHA-OLEFINS - An adhesive composition comprises: (i) at least one ethylene/α-olefin interpolymer, (ii) at least one tackifier; and (iii) an oil or a low molecular weight polymer. Preferably, the ethylene/α-olefin interpolymer has a M10-27-2011
20100092774PRESSURE SENSITIVE ADHESIVE FOR PAPER LABELS - Paper labels coated with a pressure sensitive adhesive (PSA), wherein 04-15-2010
20080311396Pressure-Sensitive Adhesive Sheet for Application to Skin - The problem of the present invention is to provide a pressure-sensitive adhesive sheet for skin adhesion, having an adhesive layer, which can be formed without using an organic solvent, shows superior adhesion performance to the skin, and shows extremely mild irritation to the skin and stratum corneum damage. To solve the problem, the present invention provides a pressure-sensitive adhesive sheet for skin adhesion, which has a substrate and an adhesive layer laminated on the substrate, wherein the adhesive layer is obtained by curing an adhesive composition containing polyether polymer (A) having at least one alkenyl group on the terminal, compound (B) having 1-10 hydrosilyl groups in a molecule and hydrosilylation catalyst (C).12-18-2008
20120141787MOISTURE CURABLE ISOBUTYLENE ADHESIVE COPOLYMERS - The disclose provides pressure-sensitive adhesives and adhesive sealants prepared from alkoxysilane modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom.06-07-2012
20090117379SURFACE PROTECTION FILM - Disclosed is a surface protection film which has excellent initial adhesive force and can be easily removed from an object to which it is adhered. The adhesive force of this surface protection film does not undesirably increase as time passes. Specifically disclosed is a surface protection film wherein a rubber adhesive layer containing a rubber resin is arranged on a polyolefin substrate. The rubber resin is composed of a styrene elastomer which has a block copolymer of a styrene polymer block (A) and an olefin elastomer component (B), a block copolymer of a styrene polymer block (A) and a random copolymer block (B′) of styrene and an olefin, or a hydrogenated product of either of the block copolymers as a main component. The rubber adhesive layer has a tensile storage modulus at a frequency of 10 Hz of not less than 2.5×1005-07-2009
20100255302ADHESIVE FILM OR SHEET - [Problem] To provide an adhesive film or sheet for protecting the surfaces of articles having proper initial adhesive force, sufficiently suppressing an increase in the adhesive force after aged, maintaining a suitable adhesive force in a proper range despite of being subjected to thermal hysteresis to some extent or even after preserved for extended periods of time and, as desired, being capable of imparting a high degree of transparency to the adhesive film or sheet.10-07-2010
20100227165WAFER PROCESSING TAPE - A wafer processing tape includes a release film having a large length; an adhesive layer formed on a first surface of the release film and having a predetermined planar shape; a pressure-sensitive adhesive film having a label portion and a surrounding portion surrounding outside the label portion; and a support member formed on a second surface of the release film opposite to the first surface on which the adhesive layer and the pressure-sensitive adhesive film are formed. The label portion has a predetermined planar shape and covers the adhesive layer so that the label portion contacts with the release film around the adhesive layer. The support member is disposed at both end portions of the release film in a short side direction of the release film. The support member has a coefficient of linear expansion of 300 ppm/° C. or less.09-09-2010
20110129667Adhesive compositions - Adhesive compositions comprising a first copolymer of butene-1 and propylene; a second copolymer of ethylene and a comonomer selected from butene-1, hexene-1, and octene-1; a polyolefin grafted with an ethylenically unsaturated carboxylic acid or acid derivative; and an olefin polymer resin, and multilayer structures comprising the adhesive composition.06-02-2011
20090110925Adhesive Composition - A hot melt adhesive composition comprising (A) 60 to 98 wt. % of a propylene-ethylene copolymer, (B) 2 to 40 wt. % of a maleic anhydride-modified polypropylene wax having a softening point of 120 to 170° C. and serving as a tackifier, and when required, (C) an antioxidant in an amount of 0.1 to 5.0 wt. % based on the combined amount of (A) and (B).04-30-2009
20110244232Processes for Forming Adhesive Blend Compositions - Continuous or continual in-line processes for forming adhesive polymer blend compositions are described, as well as the application of those blends to a variety of substrates. In one or more embodiments, a first polymer component is provided in a first vessel, and a second polymer component is provided in a second vessel. The first polymer component comprises one or more styrenic block copolymers and one or more hydrocarbon tackifier resins, and the second polymer component comprises a polyolefin. The first and second polymer components are extracted from their respective holding vessels, mixed, and applied to a substrate. In some embodiments, the first and second polymer components may further comprise various additives. Adhesive blend compositions formed from the inventive processes are also described.10-06-2011
20110104488PRESSURE-SENSITIVE ADHESIVE COMPRISING A CROSSLINKABLE POLYOLEFIN AND A TACKIFIER RESIN - Pressure-sensitive adhesive comprising a crosslinkable polyolefin and at least one tackifier resin, wherein the polyolefin is composed of at least two monomers A and B and of at least one comonomer C amenable to crosslinking, the monomers A and B being selected from the group consisting of α-olefins, vinyl acetate, n-butyl acrylate and methyl methacrylate or, in the case of EPDM, a diene such as 5-ethylidene-2-norbornene, dicyclopentadiene or 5-vinyl-2-norbornene.05-05-2011
20120034459HEAT SEALING ADHESIVE TAPE AND CONSUMER PRODUCT DISPLAY - The object of the present invention provides a heat sealing adhesive tape which can adhere to various kinds of products to be treated comprising various polymer materials as the outer surface thereof in a sufficient heat sealing adhesive strength, and enables retention of the adhesive property even under a high heat and humidity. The object is resolved by providing a heat sealing adhesive tape comprising a base layer and a sealant layer formed on at least one surface of the base layer, the sealant layer comprising a hot melt composition comprising an ethylene-vinyl acetate copolymer, a styrenic block copolymer, and a tackifier, the composition having a melting point of 85° C. or lower and a melt flow rate (MFR) of 15.0 g/10 min. or less measured at 190° C. under a load of 2,160 g.02-09-2012
20120202058PRESSURE-SENSITIVE ADHESIVE SHEET FOR SURFACE PROTECTION - A surface-protecting pressure-sensitive adhesive sheet includes: a substrate; and a pressure-sensitive adhesive layer that is provided on at least one side of the substrate and made from a polyester-based pressure-sensitive adhesive composition containing a crosslinking agent and a polyester including at least a lactic acid unit, a dibasic acid unit, and a glycol unit. The dibasic acid unit includes a dimer acid, the polyester has a weight average molecular weight of 20,000 to 200,000 and a glass transition temperature of −70 to −20° C. as measured using a differential scanning calorimeter at a temperature rise rate of 20° C./minute, the polyester-based pressure-sensitive adhesive composition has a hydroxyl value of 20 to 60 mgKOH/g, and the pressure-sensitive adhesive layer has a gel fraction of 85 to 99% by weight.08-09-2012
20110318580Adhesive Tape for Manufacturing Electronic Components - There is provided an adhesive tape for manufacturing electronic components comprising a heat-resistant substrate and an adhesive layer containing an adhesive composition disposed on the heat-resistant substrate, wherein the adhesive composition comprises a phenoxy resin, a curing agent, an energy ray curable acrylic resin and a photoinitiator, and wherein the adhesive layer is cured by heat and an energy ray.12-29-2011
20100080990SHEET FOR PROTECTING COATINGS - Provided is a sheet for protecting coatings that shows superior adhesiveness even to coatings often causing low adhesive by bleeding for example of leveling agent and others without a washing treatment and the like, retains its preferable adhesion state for an extended period of time, and is easily releasable when separated even after being bonded for an extended period of time.04-01-2010
20120058336TEMPORARY FIXING SHEET FOR MANUFACTURING PROCESS OF ELECTRONIC PARTS - The present invention provides a temporary fixing sheet which firmly holds a ceramic sheet in a cutting step for the ceramic sheet and the like, can provide high cutting accuracy, and then can efficiently and easily peel a chip from itself by being cooled to a predetermined temperature or lower, with a high degree of freedom in designing and adequate handleability. The temporary fixing sheet includes a supporting substrate and a temporary fixing layer provided on at least one face thereof, wherein the temporary fixing layer contains a urethane polymer and a vinyl polymer.03-08-2012
20120058335PRESSURE-SENSITIVE ADHESIVE TAPE FOR NON-AQUEOUS BATTERY - The present invention relates to a pressure-sensitive adhesive tape for a non-aqueous battery, containing: a substrate and a pressure-sensitive adhesive layer on at least one side of the substrate, in which the pressure-sensitive adhesive layer contains 90 wt % or more of a polyisobutylene rubber, and in which a content of a polyisobutylene rubber having a molecular weight of 800,000 to 2,200,000 is in the range of 15 to 50 wt % based on the entire pressure-sensitive adhesive layer, a content of a polyisobutylene rubber having a molecular weight of 10,000 to 700,000 is in the range of 35 to 70 wt % based on the entire pressure-sensitive adhesive layer, and a content of a component having a molecular weight of 10,000 or less is 5 wt % or less based on the entire pressure-sensitive adhesive layer.03-08-2012
20120070661PRESSURE-SENSITIVE ADHESIVE TAPE - A pressure-sensitive adhesive tape according to an embodiment of the present invention includes, 03-22-2012
20100092773Method of Affixation, and Pressure-Sensitive Adhesive for Use in Affixation - A pressure-sensitive adhesive is constituted at least by one or two kinds or more of a polymer and a tackifier, the polymer is selected from the polymer obtained by polymerizing olefin unsaturated-group containing polymerizable monomer by an ordinary method, a copolymer obtained by copolymerizing a monomer mixture containing two or more types of olefin unsaturated-group containing polymerizable monomer by an ordinary method, and natural rubber, wherein the pressure-sensitive adhesive for available affixation has substantially no initial tack value and exerts adhesion by pressurization processing.04-15-2010
20120219796PAINT FILM-PROTECTING SHEET - A paint film-protecting sheet includes a pressure-sensitive adhesive layer on a support substrate. The pressure-sensitive adhesive layer is comprised of a non-crosslinked pressure-sensitive adhesive, which has a weight-average molecular weight of 65×1008-30-2012
20120276380PRESSURE SENSITIVE ADHESIVES FOR LOW SURFACE ENERGY SUBSTRATES - A cured adhesive composition comprising: (a) a copolymer comprising the reaction product of: 65 to 94.5 wt % of a C?8#191 acrylate ester, 0.5 to 5 wt % of a polar cross-linkable monomer, and 5-30 wt % of a non polar monomer, wherein the copolymer has a weight average molecular weight of 400,000 to 2,200,000 grains/mole; (b) 30 to 70 parts of a hydrogenated hydrocarbon tackifier per 100 parts of the copolymer; and (c) 0.01 to 3 parts (solid/solid) of a cross-linking agent per 100 parts of the copolymer wherein the cured adhesive has a peel value greater than 6 N/cm when tested according to FINAT test method No. 2 on a low density polyethylene; and further wherein the cured adhesive has a shear value greater than 2000 minutes when tested according to FINAT test method No. 8 on low density polyethylene. The cured adhesive of this disclosure is found to exhibit excellent adhesion to low surface energy substrates.11-01-2012
20130011672ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE - An acrylic pressure-sensitive adhesive tape includes a core layer and a surface layer provided on one or both sides of the core layer. The core layer contains an acrylic polymer (A), and the surface layer contains an acrylic polymer (D) and a (meth)acrylic polymer (E) that includes, as a monomer unit, a (meth)acrylic monomer having a tricyclic or higher alicyclic structure and that has a weight average molecular weight of 1000 or more and less than 30000.01-10-2013
20080220253Adhesive Sheet - An adhesive sheet has a substrate and an adhesive layer laminated on one or both surfaces of the substrate, and has an anti-static performance. At least one of the adhesive layers contains an adhesive and a compound (1) represented by the following formula (1), and contains the compound (1) in an amount of from 0.1 to 100 parts by mass on the basis of 100 parts by mass of the adhesive.09-11-2008
20130115450PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL MEMBER ADHESION - The present invention provide a pressure-sensitive adhesive sheet for optical member adhesion, which includes at least an acrylic pressure-sensitive adhesive layer, in which the acrylic pressure-sensitive adhesive layer has a storage modulus at 23° C. of from 1.0×1005-09-2013
20130130027Adhesive Composition - A composition comprising a hot melt pressure-sensitive adhesive comprising a propylene-based polymer component having a melting point less than or equal to about 130° C. and a triad tacticity greater than about 75%, and free of or having a low block copolymer content. Also, an adhesive article comprising the composition.05-23-2013
20110223419SOLAR CELL BACKSHEET - Provided is a back sheet for a solar battery which holds an excellent gas barriering property and which is excellent in a weatherability and a light shielding property.09-15-2011
20130183523PAINT COAT-PROTECTING REMOVABLE PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention is a paint coat-protecting removable pressure-sensitive adhesive sheet comprising a base sheet, and a pressure-sensitive adhesive layer that is provided on the base sheet, the pressure-sensitive adhesive layer being formed of an emulsion pressure-sensitive adhesive composition that includes an emulsion of an ethylene-vinyl carboxylate copolymer as a main component. The present invention provides a paint coat-protecting removable pressure-sensitive adhesive sheet that does not cause swelling, whitening, and adhesive transfer even when the pressure-sensitive adhesive sheet is attached to the surface of a paint coat that has not been sufficiently dried (i.e., contains a small amount of solvent) or has not been sufficiently cured after drying, and removed from the paint coat.07-18-2013
20130244030SURFACE PROTECTION SHEET - The present invention provides surface protection sheet 09-19-2013
20080248298Method For Surface Hardening Substances By Application of Particularly Transparent Polymethacrylate Layers - The present invention describes a process for the surface finishing of materials via application of specific polymethacrylate layers. The polymethacrylate layers are composed of blends of at least two (co)polymers of polymethacrylates, and specific “reactive monomers” are present here in a polymerized mixture which forms the polymethacrylate layer. At the application temperature established, these form a chemical and, where appropriate, also a physical bond to the substrate, and therefore have adhesion-promoting action.10-09-2008
20130078464VEGETABLE OIL-BASED PRESSURE SENSITIVE ADHESIVES - A pressure sensitive adhesive construct comprising: 03-28-2013
20130029148MATTE FINISH POLYIMIDE FILMS AND METHODS RELATING THERETO - The present disclosure is directed to a base film having a chemically converted polyimide, a particulate polyimide matting agent having a density from 1.3 to 1.5 g/cc and a low conductivity carbon black. The particulate polyimide matting agent is present in an amount from 1.6 to 20 weight percent of the base film.01-31-2013
20110223420ADHESIVE COMPOSITION AND SHEET FOR FORMING SEMICONDUCTOR WAFER-PROTECTIVE FILM - There is disclosed an adhesive composition containing: (A) 100 parts by mass of a phenoxy resin; (B) 5 to 200 parts by mass of an epoxy resin; (C) 1 to 20 parts by mass of an alkoxysilane-partial hydrolytic condensate which is a partial hydrolytic condensate of alkoxysilane including one kind or two or more kinds of alkoxysilane represented by the following general formulae (1) and (2), wherein the weight average molecular weight is 300 or more and 30,000 or less and an amount of residual alkoxy is 2 wt % or more and 50 wt % or less; (D) a curing catalyst for an epoxy resin; (E) an inorganic filler; and (F) a polar solvent having a boiling point of 80° C. to 180° C. and a surface tension of 20 to 30 dyne/cm at 25° C. There can be a sheet for forming a semiconductor wafer-protective film and an adhesive composition capable of forming a protective film excellent in evenness, cutting characteristics and adhesiveness.09-15-2011
20090142592TAPE FOR LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE HEAD - A liquid discharge head comprises a discharge port member provided with a discharge port to discharge a liquid and a tape having an adhesive layer comprising an adhesive, which tape adheres to a surface having the discharge port of the discharge port member so that the discharge port is sealed through the adhesive layer. The adhesive contains a compound having at least one of an epoxy group and an oxetanyl group and a compound having a ketimine group.06-04-2009
20100196705METHOD OF MAKING AND USING SHAPE MEMORY POLYMER COMPOSITE PATCHES - A method of repairing a composite component having a damaged area including: laying a composite patch over the damaged area; activating the shape memory polymer resin to easily and quickly mold said patch to said damaged area; deactivating said shape memory polymer so that said composite patch retains the molded shape; and bonding said composite patch to said damaged part.08-05-2010
20110064948DICING TAPE AND DIE ATTACH ADHESIVE WITH PATTERNED BACKING - Provided are a tape, apparatus, and method that relate generally to a single layer adhesive which functions as a dicing tape and also as a die attach adhesive for dicing thinned wafers and subsequent die attach operations of the diced chips in semiconductor device fabrication. The tape, apparatus, and method include a backing with a surface modification that includes a pattern.03-17-2011
20110143136FLUOROPOLYMER FILM WITH EPOXY ADHESIVE - Protective articles are provided which include a fluoropolymer film and an epoxy adhesive, borne on at least one surface of the fluoropolymer film. The Protective articles include multilayer articles comprising a) a fluoroplastic layer, in contact with b) at least one curable adhesive layer, comprising a mixture of an uncured epoxide resin and curative agents selected from the group consisting of dicyandiamide, 4,4-aminophenyl disulfide, guanidine carbonate, thiourea and combinations thereof. Most typically, the curative agent includes dicyandiamide and in some embodiments consists essentially of dicyandiamide.06-16-2011
20110070437Insulating tape - An object of the present invention is to provide an insulating tape superior in durability in appearance that is resistant to yellowing even when used under severe environment (for example, under high-temperature and high-humidity condition) or for an extended period of time and also to deterioration in appearance of the device employing the insulating tape. The insulating tape includes a plastic film base and a pressure-sensitive adhesive layer formed on at least one side of the plastic film base, the insulating tape has a b* value after storage in an environment of 85° C. and 85% RH for 500 hours of 3.0 or less.03-24-2011
20110070436ADHESIVE COMPOSITIONS FOR USE IN DIE ATTACH APPLICATIONS - Novel adhesive compositions that can be used in the die attach process. The adhesives include a curable resin component, a curing agent, and a block copolymer additive. The block copolymer additive has a glass transition temperature of at least about 40° C. The block copolymer additive improves the affinity of the adhesive composition to a hydrophilic substrate, such as a silicon wafer, during the die pickup process. Also disclosed is an assembly which includes a hydrophilic substrate and a layer of adhesive and methods of producing the assembly.03-24-2011
20090123747Adhesive composition for semiconductor, semiconductor device making use of the same and process for producing semiconductor device - [Problems] To provided an adhesive composition for semiconductor that permits handling without an occurrence of cracking or peeling off even when being flexed, that at the time of laminating, permits laminating on the electrode side of a semiconductor wafer provided with bump electrodes of which bump electrodes have a narrow pitch and a high pin proportion, that at the time of dicing, permits a high-speed cutting without any dicing dust contamination or defect, and that facilitates detection of alignment marks at the time of dicing and flip chip assembly.05-14-2009
20120213993ADHESIVE COMPOSITION AND ADHESIVE DRY FILM - An adhesive composition useful in bonding a protective glass with a silicon substrate of a semiconductor device contains (A) an epoxy-containing high-molecular compound and (B) a solvent. The compound (A) has a weight average molecular weight of 3,000 to 500,000 and repeating units represented by the following formula (1):08-23-2012
20120171484Dual Crosslinked Tackified Pressure Sensitive Adhesive - Tackfied PSAs and tapes comprising a copolymer based on an acrylic backbone, with a glycidyl monomer, unsaturated carboxylic acid monomer and a tackifier, said adhesives being dual curable and having combination of outstanding peel adhesion on the LSE substrates, high temperature shear performance, excellent stress relieving properties and excellent converting properties.07-05-2012
20120263950PRESSURE-SENSITIVE ADHESIVE DISPERSION COMPRISING POLYMERS WITH UREIDO GROUPS OR UREIDO-ANALOGOUS GROUPS AND WITH GLYCIDYL GROUPS - A description is given of a pressure-sensitive adhesive dispersion comprising a water-dispersed polymer P1 formed by emulsion polymerization. The polymer P1 is formed from a monomer mixture comprising (a) at least 40% by weight of C4 to C20 alkyl (meth)acrylates which when polymerized as homopolymers have a glass transition temperature of −30° C. or less, (b) at least 0.05% by weight of (meth)acrylate monomers having a substituent of the formula10-18-2012
20110256396METHOD OF MINIMIZING RESIDUE ADHESION FOR THERMO-REVERSIBLE DRY ADHESIVES - One embodiment of the invention includes a method of joining two substrates with multilayer thermo-reversible dry adhesives and separating the two bonded substrates by completely thermally reversing the adhesion via heating.10-20-2011
20110159284ADHESIVE COMPOSITION FOR SEMICONDUCTOR DEVICE AND DIE ATTACH FILM - An adhesive composition for a semiconductor device and a die attach film for a semiconductor device, the adhesive composition including about 50 to about 80 parts by weight of an elastomeric resin; about 10 to about 20 parts by weight of an epoxy resin, the epoxy resin including a difunctional epoxy resin and polyfunctional epoxy resins and the difunctional epoxy resin being present in an amount of about 20 to about 60 parts by weight with respect to 100 parts by weight of the epoxy resin; about 1 to about 10 parts by weight of a curable resin; about 0.01 to about 10 parts by weight of a curing accelerator; about 0.01 to about 10 parts by weight of a silane coupling agent; and about 5 to about 10 parts by weight of a filler.06-30-2011
20120003470ACTIVE ENERGY RAY-CURABLE PRESSURE-SENSITIVE ADHESIVE FOR RE-RELEASE AND DICING DIE-BONDING FILM - Provided is an active energy ray-curable pressure-sensitive adhesive for re-release, which has a small influence on an environment or a human body, can be easily handled, can largely change its pressure-sensitive adhesiveness before and after irradiation with an active energy ray, and can express high pressure-sensitive adhesiveness before the irradiation with the active energy ray and express high releasability after the irradiation with the active energy ray. The active energy ray-curable pressure-sensitive adhesive for re-release includes an active energy ray-curable polymer (P), in which the polymer (P) includes one of a polymer obtained by causing a carboxyl group-containing polymer (P3) and an oxazoline group-containing monomer (m3) to react with each other, and a polymer obtained by causing an oxazoline group-containing polymer (P4) and a carboxyl group-containing monomer (m2) to react with each other.01-05-2012
20130196152PRESSURE-SENSITIVE ADHESIVES WITH ACID-EPOXY CROSSLINKING SYSTEMS - A pre-adhesive composition is described comprising an acid-functional (meth)acryloyl copolymer and epoxy resin, which when crosslinked with or without using an ionic photoacid generator (PAG) provides a (e.g. pressure-sensitive) adhesive.08-01-2013
20130196153PRESSURE-SENSITIVE ADHESIVES WITH ONIUM-EPOXY CROSSLINKING SYSTEM - A pre-adhesive composition is described comprising an acid- and epoxy-functional (meth)acryloyl copolymer, which when crosslinked with or without using an ionic photoacid generator (PAG) provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles having desirable properties.08-01-2013
20120301717POLYESTER ADHESIVE COMPOSITION - The present invention has an object to provide a solvent-free polyester-based adhesive composition having good coatability and capable of forming an adhesive that shows good adhesion performance. The present invention provides a polyester-based adhesive composition containing a polyester having Mw of from 1×1011-29-2012
20110086222Selectively-Releasable Adhesives That Include A Glycosominoglycan - In one embodiment, a selectively-releasable adhesive includes a copolymer formed from a multifunctional alcohol, a multifunctional carboxylic acid, and a glycosaminoglycan (GAG). In one embodiment, an adhesive article includes a backing material having a surface and a layer of adhesive provided on the surface, the adhesive layer having an outer surface opposite to a surface that contacts the backing material, the outer surface being at least partly composed of a copolymer formed from a multifunctional alcohol, a multifunctional carboxylic acid, and a glycosaminoglycan (GAG).04-14-2011
20130224482DILUENTS FOR CROSSLINKER-CONTAINING ADHESIVE COMPOSITIONS - The disclosure relates to an adhesive composition for bonding lignocellulosic substrates. The adhesive composition contains a crosslinker and a non-urea diluent where the non-urea diluent is present in an amount from about 0.01 to about 75 weight % based on the total wet weight of the composition and where the crosslinker contains essentially no formaldehyde and contains no urea. Also disclosed is the adhesive further containing an aqueous mixture of a protein source. The disclosure also relates to a process for making lignocellulosic composites utilizing the disclosed adhesive composition and to the lignocellulosic composites made using the disclosed process.08-29-2013
20130011671ARTICLE AND AN ADHESIVE FOR A ROLL-SHAPED PAPER - This invention provides an adhesive for roll-shaped paper which has a high initial adhesiveness and causes the paper to peel easily without making the application surface sticky, and a roll-shaped paper on which this adhesive for roll-shaped paper is applied. An adhesive for roll-shaped paper, comprising a saccharide (A), a viscosity modifier (B), and a glycol and/or triol (C), is provided. The adhesive has excellent initial adhesiveness as well as excellent peeling ability, and does not produce stickiness. The adhesive for roll-shaped paper of this invention is applied at the start of the winding of the roll-shaped paper and it can be used in an especially useful manner as a pick-up agent.01-10-2013
20080226907Label Comprising a Liquid-Sensitive Adhesive Coating, Use of Such a Label, Method for Automatically Applying a Label Comprising a Liquid-Sensitive Adhesive Coating, and Method for the Production of a Label Paper - The invention relates to a label comprising a liquid-sensitive adhesive coating on the rear face thereof. The adhesive coating is based on natural biopolymers and the derivatives thereof and/or synthetic polymers that can be activated by means of liquid. Also disclosed are the use of such a label, a method for automatically applying a label to a receptacle, and a method for producing a label paper.09-18-2008
20130045381MULTILAYER FILM FOR SUPPORTING OPTICAL FUNCTIONAL MEMBER AND METHOD FOR PRODUCING THE SAME, AND PRISM SHEET - A prism sheet is provided with a prism member, being an optical functional member, and a multilayer film for supporting the prism member. The multilayer film is provided with a base layer and an adhesive layer. One of surfaces of the adhesive layer is adhered to a surface of the base layer. The other surface of the adhesive layer is adhered to the prism member. Thus, the prism member is adhered to the base layer through the adhesive layer. Polyester contained in the adhesive layer has a glass transition temperature Tg of less than 60° C. At least 30 mol % of dicarboxylic acid units in the polyester contained in the adhesive layer have naphthalene rings.02-21-2013
20120244352PROCESS FOR PRODUCING POLYIMIDE FILM, AND POLYIMIDE FILM - A polyimide film having improved adhesiveness is produced by 09-27-2012
20090104445OPTICAL PRESSURE-SENSITIVE ADHESIVE, PRESSURE-SENSITIVE ADHESIVE ATTACHED OPTICAL FILM, AND IMAGE DISPLAY - An object of the invention is to provide an optical pressure-sensitive adhesive that is for use in pressure-sensitive adhesive attached optical films and so on, includes an acrylic copolymer and is less likely to cause display unevenness in the peripheral portion of a display screen. An optical pressure-sensitive adhesive, comprising: an acrylic copolymer containing alkyl (meth)acrylate (a1) and N-(2-hydroxyethyl)(meth)acrylamide (a2) as a monomer unit.04-23-2009
20100119821SOLVENTLESS LAMINATING ADHESIVE AND PROCESS FOR PRODUCTION OF COMPOSITE FILM - A solventless laminating adhesive comprising a polyisocyanate component and a polyol component, both of which are free from polyol components exhibiting crystalline properties at ordinary temperatures. The adhesive exhibits an initial viscosity of 500 to 1000 mPa s three minutes after mixing of the polyisocyanate component with the polyol component and a viscosity increase of 100 to 350% based on the initial viscosity 20 minutes after the mixing. In a coater which is provided with a pair of opposed rolls and in which the rolls rotates in the directions contrary to each other at the opposition site, the adhesive is applied to a film passing between the rolls.05-13-2010
20110171465ADHESIVE LAMINATE - To provide an adhesive laminate with which an adhesive deposit does not result even when a polyester-type substrate layer is used.07-14-2011
20120034460PROTECTIVE SHEET FOR BACK SURFACE OF SOLAR CELL MODULE, AND SOLAR CELL MODULE PROVIDED THEREWITH - A protective sheet for the back surface of a solar cell module prepared by laminating a thermal adhesive sheet to at least one surface of a base sheet with a urethane-based adhesive layer disposed therebetween, wherein the thermal adhesive sheet contains a pigment and the urethane-based adhesive layer contains a silane coupling agent. The pigment is preferably an inorganic pigment or a carbon black.02-09-2012
20080241528Polyester-Amide Based Hot Melt Adhesives - The use of a polyester-amide in a hot melt adhesive formulation, wherein the polyester-amide includes a short aliphatic dicarboxylic acid functionality and a short symmetrical, crystallizing amid diol functionality.10-02-2008
20100178501ADHESIVE COMPOSITION, FILM-LIKE ADHESIVE, ADHESIVE SHEET, AND SEMICONDUCTOR DEVICE MADE WITH THE SAME - An adhesive composition that is capable of achieving a superior combination of process characteristics such as adherend fill properties (embedability) and low-temperature lamination properties, and semiconductor device reliability such as reflow resistance, as well as a film-like adhesive, an adhesive sheet that exhibits excellent process characteristics including ready releasability from dicing sheets, and a semiconductor device that exhibits excellent productivity, superior adhesive strength when heated and superior moisture resistance, all of which use the adhesive composition. The adhesive composition comprises (A) a thermoplastic resin, (B) a bisallylnadimide represented by a general formula (I) shown below, and (C) a bifunctional or higher (meth)acrylate compound.07-15-2010
20100015443ADHERENCE SUBSTANCE, PRESSURE SENSITIVE ADHESIVE SHEET AND ITS USE - To provide an adherence substance which has a low viscosity and good coatability, can be made solvent free, has good adhesion to an adherend and at the same time has excellent removability, can suppress peel electrostatic charge and is excellent in high speed peeling performance.01-21-2010
20110111221POLYURETHANE-BASED PRESSURE-SENSITIVE ADHESIVE - Polyurethane-based pressure-sensitive adhesive wherein the polyurethane comprises the chemical reaction product of at least the following starting materials: 05-12-2011
20110003146ADHESIVE AND ITS APPLICATION - The invention provides a tri-component adhesive composition comprising a first component containing one or more polyols, a second component containing one or more isocyanates and a third component containing one or more all-purpose polyurethane catalysts or modified catalysts thereof. According to different applications, the additive proportion of the third component is adjusted to achieve desired curing speed and adhesive strength of the adhesive under a wide range of temperature.01-06-2011
20110045291EASY-ADHESIVE POLYESTER FILM - The present invention provides a polyester film which is excellent in easy-adhesive property to a topcoat agent, in particular, excellent in adhesion between a coating layer, a topcoat layer and a polyester base film even when the topcoat layer is formed of a solvent-free active energy radiation-curing resin. The present invention relates to an easy-adhesive polyester film comprising a polyester film and a coating layer formed on one surface of the polyester film which is obtained by applying a coating solution comprising a vinyl group-containing polyurethane resin thereonto.02-24-2011
20120244351MULTILAYER RESIN SHEET AND METHOD FOR PRODUCING THE SAME, METHOD FOR PRODUCING CURED MULTILAYER RESIN SHEET, AND HIGHLY THERMALLY CONDUCTIVE RESIN SHEET LAMINATE AND METHOD FOR PRODUCING THE SAME - A multilayer resin sheet is constituted by including a resin layer containing an epoxy resin having a mesogenic skeleton, a curing agent and an inorganic filler, and an insulating adhesive layer formed on at least either of the surfaces of the resin layer.09-27-2012
20090311526Adhesive composition, film adhesive, and heat treatment method - An adhesive composition of the present invention contains, as a main composition, a polymer obtained by copolymerizing a monomer composition containing a monomer having a maleimide group, and further contains a thermal polymerization inhibitor. As a result, it is possible to provide an adhesive composition that allows forming an adhesive layer that is excellently dissolved after the adhesive layer has been subjected to a high-temperature process.12-17-2009
20110076493Acrylic Pressure-Sensitive Adhesives with Aziridine Crosslinking Agents - A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.03-31-2011
20080268242SILICONE PRESSURE SENSITIVE ADHESIVE AND ARTICLES - Pressure sensitive adhesive compositions comprising an unreactive mixture of polydiorganosiloxane polyurea copolymer, diluent, and silicate tackifying resin. The compositions are useful for articles such as medical devices.10-30-2008
20110052912PRESSURE-SENSITIVE ADHESIVES HAVING A TEMPERATURE-STABLE ADHESIVE POWER - The invention relates to an adhesive composition that can be cross-linked by heating, said composition comprising between 20 and 85% of a polyurethane comprising 2 terminal groups of the hydrolysable alkoxysilane type of formula (I): wherein: R03-03-2011
20090053520Adhesive Composition and Process - There is disclosed a curable PSA made by a solventless single stage polymerisation of the following materials: from about 10% to about 80% by weight of at least one polyol which has molecular weight at least 1000 daltons; from about 0.5% to about 20% at least one poly-isocyanate(s) from about 0.1% to about 10%, by weight of at least one hydroxyl(meth)acrylate(s); from about 10% to about 80% by weight of one or more tackifier resins.02-26-2009
20120208015THERMALLY REMOVABLE PRESSURE-SENSITIVE ADHESIVE SHEET - A thermally removable pressure-sensitive adhesive sheet includes a substrate and a pressure-sensitive adhesive layer that is provided on at least one side of the substrate and made from a polyester-based pressure-sensitive adhesive composition containing a polyester including at least a lactic acid unit, a dibasic acid unit, and a glycol unit, a foaming agent, and a crosslinking agent. The dibasic acid unit includes a dimer acid, the polyester has a weight average molecular weight of 20,000 to 200,000 and a glass transition temperature of −70 to −20° C. as measured using a differential scanning calorimeter at a temperature rise rate of 20° C./minute, and the polyester has a hydroxyl value of 1 to 60 mgKOH/g.08-16-2012
20110123800UREA-BASED PRESSURE-SENSITIVE ADHESIVES - Non-silicone urea-based adhesives are disclosed which are prepared by the polymerization of reactive oligomers with the general formula X—B—X, where X is an ethylenically unsaturated group and B is a unit free of silicone and containing urea groups. The reactive oligomers can be prepared from polyamines through chain extension reactions using diaryl carbonates followed by capping reactions. Adhesive articles, including optical adhesive articles may be prepared using the disclosed non-silicone urea-based adhesives.05-26-2011
20120276382ADHESIVE COMPOSITE SYSTEM FOR COVERING, CLOSING OR GLUING CELLULAR TISSUE - The invention relates to an adhesive composite system comprising an adhesive layer of a tissue adhesive and a protective layer which is applied to the surface of the adhesive layer, said tissue adhesive being based on hydrophilic polyurethane polymers and the protective layer is water-proof. The invention also relates to a method for producing said adhesive composite system, to an adhesive composite system obtained according to said method, an adhesive composite system which can be used for covering, closing or gluing cellular tissue and to the use of the adhesive composite system for producing a product for covering, closing or gluing cellular tissue.11-01-2012
20120276381SURFACE COATING SYSTEM AND METHOD OF USING SURFACE COATING SYSTEM - A coating system for a surface (such as a floor) including an adhesive layer composition including a dispersible adhesive that forms an adhesive layer upon application to a surface, and a maintenance layer composition comprising a dispersible polymer that forms a maintenance layer upon application to the adhesive layer. The dispersible adhesive may include at least one of a styrene-butadiene latex, an acrylic latex material, a polyurethane latex, a polyvinyl acetate emulsion, and a combination thereof. The maintenance layer may include at least one of a UV-cured polymer, a nylon, an epoxy, a polyacrylate, a polystyrene acrylate, a polyurethane, a polyurea, and a combination thereof. The adhesive layer and the maintenance layer may form a finished coating having a peel strength greater than about 50 gf/25 mm.11-01-2012
20090017299THERMOSENSITIVE ADHESIVE MATERIAL - An object of the present invention is to provide a thermosensitive adhesive material which is superior in blocking resistance when not active and which has adequate adhesion in a wide temperature range to a target with little smoothness such as corrugated fiberboard. Specifically, the present invention relates to a thermosensitive adhesive material including a support, and a thermosensitive adhesive layer provided on one surface of the support, the thermosensitive adhesive layer containing as essential components a thermoplastic resin and a hot-melt material that melts when heated, wherein the thermoplastic resin contains as a main component a (meth)acrylic copolymer in which acrylonitrile, a monomer component, occupies 5% by mass to 20% by mass of all monomer components, and wherein the glass transition temperature of the copolymer is in the range of −70° C. to −30° C.01-15-2009
20090123746ADHESIVE SHEET - An adhesive sheet includes a substrate and an energy-ray-curable adhesive layer formed on the substrate. The energy-ray-curable adhesive layer includes an energy-ray-curable acrylic copolymer and an energy-ray-curable urethane acrylate. The energy-ray-curable acrylic copolymer includes a side chain with an unsaturated group. The energy-ray-curable urethane acrylate includes an isocyanate unit, a polyol unit, and a (meth)acryloyl group. The polyol unit includes a plurality of types of polyols.05-14-2009
20100129653PRESSURE-SENSITIVE ADHESIVE TAPE - Disclosed is a halogen-free adhesive tape whose binding force is improved by increasing adhesion at low temperatures. Specifically disclosed is a halogen-free adhesive tape which is characterized in that an adhesive containing a natural rubber, an acrylic resin, an adhesiveness-imparting resin, an antioxidant and a plasticizer having a molecular weight of 450-3000 and a freezing point of from −30° C. to −55° C. is applied over at least one side of a tape base which is composed of a non-halogen resin composition containing no halogen element.05-27-2010
20090208741PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, which include the pressure-sensitive adhesive layer that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl(meth)acrylate monomer unit, (b) 5 to 35% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit and further including (d) 0.05 to 3% by weight of a carboxyl group-containing (meth)acrylate monomer unit and/or (e) 0.05 to 2% by weight of a hydroxyl group-containing (meth)acrylate monomer unit and having a weight average molecular weight of 1,600,000 to 3,000,000 as determined by gel permeation chromatography; crosslinking agents including 0.01 to 5 parts by weight of an isocyanate crosslinking agent and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer.08-20-2009
20120244349PHOTOCURABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PHOTOCURABLE PRESSURE-SENSITIVE ADHESIVE LAYER, AND PHOTOCURABLE PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is a photocurable pressure-sensitive adhesive composition which does not cause oozing under ordinary temperature and pressure conditions and exhibits sufficient initial tack via drying and crosslinking. The photocurable pressure-sensitive adhesive composition is easily curable by light irradiation and can form a curable pressure-sensitive adhesive layer having high peel resistance. Also provided are a photocurable pressure-sensitive adhesive layer and a photocurable pressure-sensitive adhesive sheet. A photocurable pressure-sensitive adhesive composition is prepared which comprises a graft polymer obtained by grafting a chain that contains a monomer bearing a cyclic ether group onto a (meth)acrylic polymer that contains 0.2 to 10% by weight of hydroxyalkyl(meth)acrylamide monomer units, and a cationic photopolymerization initiator. A photocurable pressure-sensitive adhesive layer using such composition and a photocurable pressure-sensitive adhesive sheet are also prepared.09-27-2012
20130034730REMOVABLE WATER-DISPERSIBLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a removable pressure-sensitive adhesive layer which has satisfactory resistance to increase in adhesive strength and a good appearance and less causes staining on an adherend. The removable water-dispersible acrylic pressure-sensitive adhesive composition includes an acrylic emulsion polymer (A) formed from constitutive monomers essentially including 70 to 99.5 percent by weight of a (meth)acrylic alkyl ester and 0.5 to 10 percent by weight of a carboxyl-containing unsaturated monomer based on the total amount of the constitutive monomers; a water-insoluble crosslinking agent (B); an acetylenic diol compound (C); and a specific polyether defoaming agent (D). The acetylenic diol compound (C) has an HLB of less than 13, and the polyether defoaming agent (D) has a PO in a content of from 70 to 100 percent by weight and a number-average molecular weight of from 1200 to 4000.02-07-2013
20100098943Flame retardant clear films - Compositions for creating flame-retardant, optically clear films without using halogen based flame retardants, including a coating containing phosphorous-based fire retardant materials, an acrylic or polyester adhesive base, and an organic solvent. Composite film structures containing the flame retardant coating may include a plurality of polymeric films and or coatings separated by flame retardant materials.04-22-2010
20100323197ACRYLIC VISCOELASTIC COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET - The present invention relates to an acrylic viscoelastic composition including an acrylic polymer A obtained by polymerizing an acrylic monomer mixture containing an alkyl (meth)acrylate (a) and a terpene-based (meth)acrylate (b), the terpene-based (meth)acrylate (b) being contained in an amount of 5 to 70% by weight based on the total monomer components of the acrylic monomer mixture; and a tackifying component B having a weight average molecular weight of 2,000 to 20,000.12-23-2010
20130029146WATER-DISPERSIBLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - Provided are a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer which has excellent resistance to increase in adhesive strength and a good appearance and less causes staining; and a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed from the pressure-sensitive adhesive composition. The water-dispersible acrylic pressure-sensitive adhesive composition includes an acrylic emulsion polymer (A) formed from constitutive monomers essentially containing 70 to 99.5 percent by weight of a (meth)acrylic alkyl ester and 0.5 to 10 percent by weight of a carboxyl-containing unsaturated monomer; and a compound (B) represented by following Formula (I):01-31-2013
20090317635PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE SHEETS, AND SURFACE PROTECTING FILM - An object of the present invention is to provide a pressure-sensitive adhesive composition which is excellent in antistatic property of a non-electrification-prevented adherend (subject to be protected) upon peeling, and has reduced stainability in an adherend and is excellent in adhesion reliance, and electrification preventing pressure-sensitive adhesive sheets using the same. There is provided a pressure-sensitive composition comprising an ionic liquid, and a (meth)acryl-based polymer containing, as a monomer component, 0.1 to 100% by weight of a (meth)acrylic acid alkylene oxide. There is provided a pressure-sensitive composition comprising an ionic liquid, and a polymer containing, as a monomer component, 0.5 to 30% by weight of a nitrogen-containing monomer and having a glass transition temperature Tg of no higher than 0° C. There is provided a pressure-sensitive composition comprising an ionic liquid, and a (meth)acryl-based polymer containing, as a monomer component, 0.01 to 20% by weight of a reactive surfactant.12-24-2009
20120219795REMOVABLE WATER-DISPERSIBLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - A removable water-dispersible acrylic pressure-sensitive adhesive composition according to the present invention includes an acrylic emulsion polymer (A), a water-insoluble crosslinking agent (B), and a carboxylic-acid-containing acrylic polymer (C). The polymer (A) includes a (meth) acrylic alkyl ester and a carboxyl-containing unsaturated monomer as essential constitutive monomers and has a content of the (meth) acrylic alkyl ester of 70 to 99.5 percent by weight and a content of the carboxyl-containing unsaturated monomer of 0.5 to 10 percent by weight, each based on the total amount of constitutive monomers. The polymer (C) includes (meth) acrylic acid as an essential constitutive monomer and has a total content of acrylic acid and methacrylic acid of 11 percent by weight or more based on the total amount of constitutive monomers.08-30-2012
20130071656PEELABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PEELABLE PRESSURE-SENSITIVE ADHESIVE LAYER, AND PEELABLE PRESSURE-SENSITIVE ADHESIVE SHEET - A peelable pressure-sensitive adhesive composition includes: 100 parts by mass of a polymer (A) having a glass transition temperature lower than 0° C.; and 0.05 parts by mass to 3 parts by mass of a (meth)acrylic polymer (B) that has a weight average molecular weight of 1000 or more and less than 30000 and that contains, as a monomer unit, a (meth)acrylic monomer having an alicyclic structure represented by the following general formula (1):03-21-2013
20090029161Pressure-sensitive adhesive composition, pressure-sensitive adhesive layer, and pressure-sensitive adhesive sheet - The present inventions are a pressure-sensitive adhesive composition comprising a poly(meth)acrylate compound that contains a repeating unit shown by the following formula (1) in its molecule and has a melting point of 50° C. or less; a pressure-sensitive adhesive layer comprising a crosslinked product of the pressure-sensitive adhesive composition; and a pressure-sensitive adhesive sheet comprising the pressure-sensitive adhesive layer and a support, the pressure-sensitive adhesive layer being provided on one side or both sides of the support material.01-29-2009
20110020642ADHESIVE COMPOSITION, ADHESIVE SHEET AND ADHESIVE FORMED PRODUCT - The present invention provides an adhesive composition, which comprises a mixture of a hot-melt adhesive with a ferromagnetic material and has a shear force of not less than 20 N after heating (at 150° C. for 10 minutes) bonding, and a adhesive sheet obtained from the adhesive composition. Also, present invention provides a adhesive formed product, which comprises a mixture of a hot-melt adhesive and a ferromagnetic material and has a shear force of not less than 20 N after heating (at 150° C. for 10 minutes) bonding, wherein the adhesive formed product is used for bonding between components composed of a material exhibiting ferromagnetism. The adhesive composition, the adhesive sheet and the adhesive formed product of the present invention can also be applied to fields where solvent resistance and chemical resistance are required.01-27-2011
20110045290Adhesive Sheet - An adhesive sheet includes a substrate and an energy ray curable adhesive layer formed thereon The energy ray curable adhesive layer includes an acrylic adhesive polymer having a weight average molecular weight of not less than 100,000, and a polymerizable group is bonded to the acrylic adhesive polymer through a polyalkyleneoxy group. The energy ray curable adhesive sheet improves the breaking elongation and the expandability of the cured adhesives, thereby preventing the glue residue on the adherend of the sheet after release.02-24-2011
20120114938ADHESIVE SHEET FOR PROCESSING OF SEMICONDUCTOR WAFTER - An adhesive sheet for processing of a semiconductor wafer has an adhesive layer disposed on at least one surface of a base substrate, the adhesive layer includes a base polymer, a plasticizer and a surfactant, an SP value of the plasticizer and the surfactant satisfies the relationship: 0.9≦(the plasticizer SP value)/(the surfactant SP value)≦1.0. The present invention has the object of providing an adhesive sheet for processing of a semiconductor wafer that exhibits superior storage stability under a range of environments, and that prevents contamination of the adherend after use.05-10-2012
20120114937INSULATING TAPE - An object of the present invention is to provide an insulating tape that is superior in less-corrosive property and provides its product containing the insulating tape with favorable reliability even when it is used under severer environment for an extended period of time. The insulating tape according to the present invention includes a plastic film base material and a pressure-sensitive adhesive layer including an acrylic polymer on or above at least one face of the plastic film base material, wherein the pressure-sensitive adhesive layer has a moisture content, as determined after storage in an environment at 60° C. and 90% RH for 24 hours, of less than 0.15 wt % and monomer components constituting the acrylic polymer contain substantially no carboxyl group-containing monomer.05-10-2012
20100009181Halogen-Free Pressure-Sensitive Adhesive Tape - To heighten the adhesion of a halogen-free pressure-sensitive adhesive tape, in particular, the adhesion of the pressure-sensitive adhesive to the substrate, to thereby improve suitability for binding.01-14-2010
20110135921Antistatic Block Copolymer Pressure Sensitive Adhesives and Articles - An antistatic pressure sensitive adhesive composition, useful in electronic and optical display applications, comprising an antistatic agent and a first block copolymer comprising at least two hard A block polymeric units each independently having a Tg of at least 50° C., and at least one soft B block (meth)acrylic polymeric unit having a Tg no greater than 20° C. The composition can comprise a second block copolymer. Articles comprising an antistatic pressure sensitive adhesive composition adjacent a first surface of a substrate.06-09-2011
20110135922Adhesive Compositions with Multiple Tackifiers - Adhesive compositions and articles that contain these adhesive compositions are described. More particularly, the adhesive compositions include (a) a block copolymer prepared from monoethylenically unsaturated monomers and (b) a tackifier mixture. The adhesives compositions can be adhered to many substrates including those having a non-polar surface.06-09-2011
20110293933Adhesive composition and polarizing plate comprising the same - Disclosed are an adhesive composition and a polarizing plate including the same and, more particularly, an adhesive composition including a vinyl-acrylate copolymer including a hydroxyalkylvinylether monomer as a repeating unit, a cross-linking agent, ionic solid, and a silane coupling agent and, in addition, a polarizing plate including the same. Such adhesive composition may have desired re-workability without decrease in durability caused by surface transfer of an ionic compound, and allow effective gelling of adhesive fraction, to thereby considerably reduce a curing period.12-01-2011
20100167050BIMODAL ACRYLATE PRESSURE-SENSITIVE ADHESIVE COMPOUNDS - The invention relates to a polyacrylate which as a result of a polymerization process has a broad, bimodal molecular weight distribution. These acrylate pressure-sensitive adhesives are preferably processed from the melt. The low molecular weight fraction lowers the flow viscosity, while the high molecular weight fraction results in the achievement of a high shear strength, following appropriate crosslinking, for the acrylate pressure-sensitive adhesive.07-01-2010
20120270042PRESSURE-SENSITIVE ADHESIVE TAPE FOR ELECTROCHEMICAL DEVICE - To provide a pressure-sensitive adhesive tape for an electrochemical device that has an excellent adhesive strength and that achieves, for example, the protection of an electrode, the suppression of active material separation, and the fixing of a wound end of a laminate composed of electrode plates, a separator, and the like when the laminate is wound and packed into a battery case, without adversely affecting the electrochemical device.10-25-2012
20090291300ADHESIVE SHEET - An adhesive sheet comprising a substrate and an adhesive layer formed on at least one side of the substrate, characterized in that an adhesive agent contained in the adhesive layer comprises an acrylic ester copolymer and a citrate plasticizer; the acrylic ester copolymer has a glass transition temperature of −45° C. or less; the citrate plasticizer is contained in an amount of 1.0 to 50.0 parts by mass (solid content), with respect to 100 parts by mass (solid content) of the acrylic ester copolymer; and a rate of a gel content in the adhesive agent in the adhesive layer is 70% or more, is disclosed.11-26-2009
20100266841Treatment of wood for the production of building structures and other wood products - Compositions and devices for the production of treated wood products are disclosed. A moisture exchange container for treating a plurality of wood pieces with a chemical formulation of interest is described. Also, an adhesive suitable for gluing wood pieces that have been treated, or that are going to be treated, with a chemical formulation of interest is described. Also disclosed are methods and systems using the devices and compositions of the present invention, and treated wood products.10-21-2010
20090029160(METH)ACRYLATE FILM, AND MARKING FILM AND RECEPTOR SHEET USING THE SAME - The present application is directed to a film having high solvent resistance, in addition to high tensile strength and elongation characteristics. A (meth)acrylic film formed of: (A-1) an acidic group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0° C. or higher obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having an acidic group; (B-1) a basic group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0° C. or lower obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having a basic group; and (C) a compound containing a radical generating group.01-29-2009
20090136749(METH)ACRYLIC EMULSION TYPE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention relates to a (meth)acrylic emulsion type adhesive composition comprising an emulsion type (meth)acrylic polymer obtained by emulsion-polymerizing a monomer comprising a (meth)acrylic monomer as a principal component, wherein a sodium salt and/or potassium salt-containing emulsifier is used in the emulsion-polymerization described above, and neutralization treatment is carried out by using a neutralizing agent containing sodium hydroxide and/or potassium hydroxide after the emulsion polymerization is finished and an adhesive sheet obtained by using the above composition, and the present invention provides an adhesive composition which is not yellowed with the passage of time, particularly by heating and an adhesive sheet obtained by using the above composition.05-28-2009
20090208740ACRYLIC PRESSURE-SENSITIVE ADHESIVES WITH AZIRIDINE CROSSLINKING AGENTS - A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.08-20-2009
20090053519Adhestive composition and optical member including the same - An adhesive composition includes a base polymer, the base polymer including a copolymer having at least one (meth)acrylic ester with a halogen element and at least one (meth)acrylate in a copolymeric unit, and an antistatic agent, the antistatic agent including an ionic compound.02-26-2009
20100178497ADHESIVE COMPOSITION, FILM ADHESIVE, AND PROCESS FOR PRODUCTION OF THE COMPOSITION - Disclosed is an adhesive composition which is mainly composed of a polymer obtained by copolymerizing a monomer composition containing styrene, (meth)acrylic acid ester having a cyclic structure and alkyl (meth)acrylate having a chain structure. The monomer composition may additionally contain a bifunctional monomer, thereby improving heat resistance, adhesive strength under high temperature conditions, and alkali resistance, and easiness in stripping of an adhesive composition that has been processed at a high temperature. Consequently, there can be obtained an adhesive composition which has high heat resistance, adhesion strength under high temperature conditions, and alkali resistance, and which can be easily stripped off after the adhesive composition is processed at a high temperature.07-15-2010
20120244348TOUCH PANEL - The present invention relates to a touch panel. The present touch panel has a shape that comprises a plastic substrate film and a pressure sensitive adhesive layer attached to said substrate film. Here, a phenomenon of penetrating oxygen, moisture or other foreign materials into an interface between said substrate film and said pressure sensitive adhesive layer is prevented, and decrease of optical properties by bubble generation due to the out-gassing phenomenon in the plastic substrate film is prevented. In addition, even if the pressure sensitive adhesive layer is directly attached to the conductive thin film, and it is exposed to a severe condition such as high temperature or high temperature and high humidity condition as such a state, change of resistance in the conductive thin film is effectively inhibited. Therefore, the present touch panel may be stably driven for a long time.09-27-2012
20100178500PRESSURE-SENSITIVE ADHESIVE SHEET - There is provided a pressure-sensitive adhesive (PSA) sheet with the property of corroding a metal not in contact therewith suppressed. This PSA sheet is provided with a PSA layer formed from a water-dispersed PSA composition. The PSA composition contains a water-dispersed acrylic polymer synthesized using a sulfur-containing chain transfer agent. Moreover, in a gas generation test whereby the PSA sheet is heated at 85° C. for one hour, the emission of sulfur-containing gas is 0.043 μg or less per 1 cm07-15-2010
20100178499ADHESIVE COMPOSITION AND FILM ADHESIVE - An adhesive composition of the present invention is an adhesive composition including a polymer obtained by copolymerizing a monomer composition containing a (meth)acrylic acid ester and a monomer having a maleimide group, the (meth)acrylic acid ester has a structure represented by General Formula (1):07-15-2010
20100255301Aqueous Dispersion - The invention provides an adhesive with an aqueous polymer dispersion. The aqueous polymer dispersion comprises a copolymer of a) esters of vinyl alcohol with C10-07-2010
20120171483USE OF ADHESIVE TAPES FOR BONDING OPTICAL COMPONENTS - Optical components are bondable by means of an adhesive tape that has at least one layer of a pressure-sensitive adhesive compound on basis of a polyacrylate having a weight-averaged molecular weight Mw in the range of 200000=M07-05-2012
20080286570Pressure-Sensitive Adhesive Tape and Method for Production Thereof - The invention relates to a pressure-sensitive adhesive film obtained by coating a polyolefin-based support layer with an aqueous acrylic dispersion-based adhesive layer. It also relates to the coating process for obtaining this film.11-20-2008
20110129666Butene copolymer-containing adhesive blends - Compositions suitable for use as adhesives in multi-layer structures. The compositions comprise a blend of an ethylene copolymer of butene and a propylene-based polymer; a polyolefin grafted with an ethylenically unsaturated carboxylic acid or acid derivative; and an olefin polymer resin different than the ethylene copolymer of butene, the propylene-based polymer and the grafted polyolefin.06-02-2011
20100075141ADHESIVE COMPOSITION AND FILM ADHESIVE - Disclosed is an adhesive composition whose component is a polymer obtained by copolymerizing a monomer composition containing styrene, a (meth)acrylic acid ester having a cyclic structure, and an alkyl(meth)acrylate having a chain structure. The monomer composition further contains a carboxylic acid having an ethylene double bond, a bifunctional monomer, and a styrene macromonomer. The polymer has a styrene block segment. This can improve heat resistance, adhesive strength in a high temperature environment, alkaline resistance, and easiness in stripping of an adhesive composition that has been subjected to a high temperature process. As a result, there can be obtained an adhesive composition which has high heat resistance, adhesive strength in a high temperature environment, and alkali resistance, and which can be easily stripped off after the adhesive composition is processed at a high temperature.03-25-2010
201001512412-Octyl (Meth)acrylate Adhesive Composition - A pressure sensitive adhesive composition comprising a 2-octyl(meth)acrylate, (meth)acrylic acid copolymer and optional crosslinking agents is described. The adhesive composition may be derived from renewable resources and provides good peel, shear and high temperature stability.06-17-2010
20110143135ADHESIVE COMPOSITION AND OPTICAL MEMBER USING THE SAME - An adhesive composition and an optical member using the same, the adhesive composition including about 100 parts by weight of a (meth)acrylate copolymer including repeating units derived from a C06-16-2011
20110250446PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE - A pressure-sensitive adhesive composition or an acrylic pressure-sensitive adhesive tape in which peeling-off property or tearing-off property occurring by heating is improved while the high adhesiveness to a metallic material is being maintained, will be provided. The pressure-sensitive adhesive composition contains: an acrylic polymer (A); a (meth)acrylic polymer (B) whose mass average molecular weight (Mw) is such that 1000≦Mw<30000; and a heat-expandable microsphere (C).10-13-2011
20110244230DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE FOR FIXING DECORATIVE PANEL - A double-sided pressure-sensitive adhesive tape is used for fixing decorative panels and includes a pressure-sensitive adhesive layer containing bubbles and/or hollow microspheres. The pressure-sensitive adhesive layer is preferably formed from an acrylic pressure-sensitive adhesive, particularly an active-energy-ray-curable acrylic pressure-sensitive adhesive. The double-sided pressure-sensitive adhesive tape for fixing decorative panels preferably has a toluene emission of 15 μg/g or less and preferably has a surface lightness L* of 60 to 30. The adhesive tape can be a double-sided pressure-sensitive adhesive tape for fixing decorative panels, which excels in conformability to curved surfaces and bumps, resilience resistance, and adhesiveness and which may thereby show excellent adhesive properties even when used for fixing a decorative panel to an adherend of a complicated shape with a curved surface or bumps or for fixing a narrow decorative panel to an adherend.10-06-2011
20110070434ACRYLIC PRESSURE-SENSITIVE ADHESIVE, ACRYLIC PRESSURE-SENSITIVE ADHESIVE LAYER AND ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET - The present invention relates to an acrylic pressure-sensitive adhesive including: a) an acrylic polymer containing, as a monomer unit, an alkyl (meth)acrylate including an alkyl group having 1 to 20 carbon atoms in an amount of 50% by weight or more; and b) a tackifier resin, in which the acrylic polymer a) contains two kinds of monomer units having a difference in solubility parameter (SP value) of 0.2 (MPa)03-24-2011
20100178498Adhesive composition and film adhesive - An adhesive composition of the present invention is an adhesive composition including a polymer obtained by polymerizing a monomer composition containing a (meth)acrylic acid ester having a structure represented by General Formula (1):07-15-2010
20110151252ADHESIVE TAPE OR SHEET - An adhesive tape or sheet comprises an adhesive layer which contains 0.3 to 10 parts by weight of an polyether polyol compound, and 0.005 to 2 parts by weight of at least one alkali metal salt for 100 parts by weight of an acrylic adhesive which is formed with a copolymer of methyl acrylate monomer, ethyl acrylate monomer, or methyl acrylate monomer and ethyl acrylate monomer, acrylate monomer, and 2-ethylhexyl acrylate monomer.06-23-2011
20110076492PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE TAPE - A pressure-sensitive adhesive composition is disclosed. The composition comprises a particulate polymer of a monomer mixture comprising (a) an alkyl (meth)acrylate monomer; (b) at least one of (b−1) an alkyl (meth)acrylate monomer with the alkyl group having a carbon number of 15 to 24 and the alkyl group being a linear alkyl group and (b−2) an alkyl (meth)acrylate monomer with the alkyl group having a carbon number of 15 to 24 and the alkyl group being a branched alkyl group; and (c) a monoolefmically unsaturated monomer having a ketone group with the alkyl group having a carbon number of 8 to 14. Pressure sensitive adhesive tapes incorporating such adhesive compositions are also described.03-31-2011
20110070435PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition is prepared to include a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 50% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit; 0.01 to 2 parts by weight of a peroxide as a crosslinking agent; and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer.03-24-2011
20110151251ADHESIVE COMPOSITION FOR PLASTICIZER-FREE, SELF-ADHESIVE REMOVABLE LABELS - A description is given of an adhesive composition which comprises a polymer preferably in the form of an emulsion polymer in dispersion in water. The emulsion polymer has a glass transition temperature of less than −61° C. and is preparable by emulsion polymerization at temperatures less than 80° C. from 80-95% by weight of 2-ethylhexyl acrylate and 5-20% by weight of further, ethylenically unsaturated, free-radically copolymerizable monomers, of which 0.2% to 2% by weight, based on the total amount of monomers, are acid-containing comonomers. The adhesive composition can be used in particular as a pressure-sensitive adhesive for producing plasticizer-free, self-adhesive, redetachable paper labels.06-23-2011
20090186221AQUEOUS-DISPERSION-TYPE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an aqueous-dispersion-type pressure-sensitive adhesive composition and a pressure-sensitive adhesive sheet formed thereof. This composition comprises a rubber latex, a tackifier resin emulsion, a dispersant composed primarily of a polycarboxylic acid (salt) having a hydrophobic side chain, and an emulsifier composed primarily of a polyoxyethylene alkyl ether sulfuric acid ester having an average polymerization degree of 16 to 80. A preferred dispersant contains carboxyl group at 2 to 6 mmol/g and an aqueous solution thereof at 1% by mass has a surface tension of 25 to 45 mN/m.07-23-2009
20080213585PRESSURE SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL MEMBERS, PRESSURE SENSITIVE ADHESIVE LAYER FOR OPTICAL MEMBERS, PRESSURE SENSITIVE ADHESIVE OPTICAL MEMBER AND IMAGE DISPLAY - Provided are a pressure sensitive adhesive composition for optical members and a pressure sensitive adhesive composition for optical members. The pressure sensitive adhesive composition for optical members according to the present invention comprises 100 parts by weight of an acrylic polymer (A) having a weight-average molecular weight of 500,000 or more, containing at least 50 wt % alkyl (meth)acrylate having an alkyl group with 5 or more carbon atoms and 0.2 to 2 wt % unsaturated carboxylic acid as the monomer unit, 0.1 to 4 parts by weight of an acrylic polymer (B) having a weight-average molecular weight of 2,000 to 50,000, containing at least 70 wt % alkyl (meth)acrylate and 1 to 7 wt % unsaturated carboxylic acid as the monomer unit and having a higher carboxylic acid equivalent than that of the acrylic polymer (A), 0.01 to 1 part by weight of a silane coupling agent, and a crosslinking agent.09-04-2008
20120135232SURFACE PROTECTIVE SHEET - Provided is a surface protective sheet, which satisfactorily adheres to an adherend and which shows little increase in adhesion with time, can easily be re-released, reduces the amount of a pressure-sensitive adhesive remaining on the surface of the adherend after the release of the sheet, and does not impair the self-cleaning property of the surface of a coated plate as the adherend. The surface protective sheet includes: a base material layer; and a pressure-sensitive adhesive layer, in which, when the surface protective sheet is attached to a silicon wafer on the pressure-sensitive adhesive layer side of the sheet and left to stand at 40° C. for 24 hours, and then the surface protective sheet is released under a temperature environment of 23° C., the surface of the resultant silicon wafer has a C/Si ratio of 0.8 or less in photoelectron spectroscopy analysis.05-31-2012
20120070660CURABLE RESIN COMPOSITION, ADHESIVE COMPOSITION, CURED OBJECT OR COMPOSITE - A curable resin composition that is adhesive and transparent. The curable resin composition comprises (1) a polymerizable vinyl monomer, (2) a curing agent, (3) a reducing agent, and (4) an acrylic block copolymer having a structure represented by formula (1): [a03-22-2012
20110135923Composite Article - A composite article includes a substrate and a pressure sensitive adhesive (PSA) disposed on the substrate. The PSA includes a polymer formed from at least one radical curable organic compound polymerized in the presence of an organoborane initiator. The polymer has a polydispersity index of less than or equal to 5.0 and a temperature of softening less than a temperature of use. The composite article is formed by a method including the steps of polymerizing the at least one radical curable organic compound to form the polymer and applying the PSA to the substrate to form the composite article. The polymer is formed by a method including the steps of combining the at least one radical curable organic compound and the organoborane initiator and polymerizing the at least one radical curable organic compound.06-09-2011
20100215955PRESSURE-SENSITIVE ADHESIVE SHEET AND PRESSURE-SENSITIVE ADHESIVE FUNCTIONAL FILM - The present invention provides a pressure-sensitive adhesive sheet including at least one pressure-sensitive adhesive layer formed of a pressure-sensitive adhesive composition containing an acrylic polymer (a) in which the total content of acrylic acid and methacrylic acid relative to the entire monomer ingredients constituting the acrylic polymer is 10% by weight or less, in which the total amount of an acrylic acid ion and a methacrylic acid ion extracted from the pressure-sensitive adhesive sheet with pure water under the condition of 100° C. for 45 minutes, as measured in accordance with an ion chromatography, is 20 ng/cm08-26-2010
20100068515ACRYLIC PRESSURE SENSITIVE ADHESIVE FORMULATION AND ARTICLES COMPRISING SAME - Pressure sensitive adhesive formulations of an acrylic polymer grafted with a macromer are particularly well suited for use in the manufacture of impact resistant articles such as impact resistant glass laminates and products comprising such laminates.03-18-2010
20120208013ISOBUTYLENE COPOLYMER WITH GRAFTED POLYMER GROUPS - Disclosed are copolymers which comprise: a) an isobutylene copolymer having grafted polymer groups, b) optionally a tackifier, and c) optionally a non-functionalized poly(isobutylene) polymer. The compositions are useful in adhesives and coatings.08-16-2012
20120208014AQUEOUS HYBRID POLYURETHANE-ACRYLIC ADHESIVES - A process for the preparation of adhesives compositions comprising polymerization of a mixture of acrylic and methacrylic monomers comprising one or more acrylate or methacrylate having active hydrogens in the presence of an isocyanate terminated polyurethane prepolymer and optionally a chain extender.08-16-2012
20110189478ACRYLIC PRESSURE-SENSITIVE ADHESIVE RESIN COMPOSITION, AND PRESSURE-SENSITIVE ADHESIVE SHEET OR PRESSURE-SENSITIVE ADHESIVE TAPE USING THE SAME - The present invention relates to an acrylic pressure-sensitive adhesive resin composition including an organic-inorganic hybrid polymer synthesized from the following (a) to (d): (a) fine silica particles having silanol groups on a surface thereof; (b) a siloxane having at least one selected from a group consisting of an alkoxysilyl group and a silanol group at a molecular end thereof; (c) a trialkoxysilane represented by the following general formula (I) in which R08-04-2011
20100015441POLYMER COMPOSITIONS - Polymers are described that are prepared from di and mono-functional silicone and silane monomers of Formula 1 in which Y represents a direct bond or a oxy group; R01-21-2010
20120148837ENERGY RAY-CURABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET FOR INSPECTING STAMPERS - Disclosed is an energy ray-curable pressure-sensitive adhesive composition having a polymer component and an energy ray polymerization initiator, the polymer component being a (meth)acrylate copolymer that includes a hydroxyl group or an energy ray-curable functional group in its molecule and has a mass average molecular weight of 500,000 to 1,000,000, and a content of components having a molecular weight of 2,000,000 or more in the polymer component being 15 mass % or less. Also disclosed is a pressure-sensitive adhesive sheet for inspecting stampers having a substrate sheet and an energy ray-curable pressure-sensitive adhesive layer formed on the substrate sheet using said energy ray-curable pressure-sensitive adhesive composition. The composition exhibits excellent adhesion to a substrate sheet and excellent durability and is able to be separated and removed easily from an adherend without leaving any residual material can be formed.06-14-2012
20120301716THERMALLY-CONDUCTIVE DOUBLE-SIDED ADHESIVE SHEET - Provided is a thermally-conductive double-sided adhesive sheet capable of improving the workability when adherends are bonded to or detached from each other. The thermally-conductive double-sided adhesive sheet includes an adhesive agent layer formed of a thermally-conductive adhesive agent composition formed into a sheet, which composition including a thermally-conductive material and an acrylic polymer component, wherein a strong adhesive agent layer forming one side and a weak adhesive agent layer forming the other side of the thermally-conductive double-sided adhesive sheet are laminated in such a way that the adhesive force of the one side of the thermally-conductive double-sided adhesive sheet to an adherend is stronger than the adhesive force of the other side of the thermally-conductive double-sided adhesive sheet to the adherend.11-29-2012
20090186220Acrylic Hot Melt Adhesives - Radiation curable adhesive compositions comprising an acrylic polymer and a polyolefin find use in the manufacture of pressure sensitive adhesive articles such as, for example, tapes.07-23-2009
20110318579Pressure-Sensitive Adhesive Transfer Tape with Differentiated Adhesion on Either Side and Method for Producing the Tape - The present invention relates to a pressure-sensitive adhesive transfer tape, taking the form of a carrierless adhesive tape with an adhesive layer comprising a pressure-sensitive adhesive based on a poly(meth)acrylate copolymer with the following monomers: a1) acrylic acid and/or acrylic esters of the following formula: CH12-29-2011
20120121900PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET - The present invention relates to a pressure-sensitive adhesive tape or sheet comprising: a viscoelastic layer containing bubbles and/or fine particles; and a pressure-sensitive adhesive layer formed on at least one side of the viscoelastic layer and formed from a pressure-sensitive adhesive composition comprising a monomer mixture comprising the following (a1), (a2) and (a3) or partially polymerized product thereof, and thermal-expandable fine particles: 05-17-2012
20120058334HEAT-RELEASABLE PRESSURE -SENSITIVE ADHESIVE TAPE OR SHEET - The present invention provides a pressure-sensitive adhesive tape or sheet exhibiting good adhesiveness to a variety of adherends and further having both characteristics of repelling resistance and easy peelability. The heat-releasable pressure-sensitive adhesive tape or sheet according to the present invention has a heat-releasable pressure-sensitive adhesive layer containing: as an essential component, an acrylic copolymer formed of a monomer mixture comprising the following monomer (ml) and monomer (m2), with a content of the monomer (m1) being from 40 to 97.5% by weight and a content of the monomer (m2) being from 0.5 to 20% by weight, relative to the whole of monomer components; and a thermal foaming agent:03-08-2012
20120064340PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM, METHOD FOR PRODUCING THE ADHESIVE OPTICAL FILM, IMAGE DISPLAY, ADHESIVE COATING LIQUID, AND METHOD FOR PRODUCING THE ADHESIVE COATING LIQUID - A pressure-sensitive adhesive optical film of the invention includes an optical film; and a pressure-sensitive adhesive layer placed on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is a product formed by applying a pressure-sensitive adhesive coating liquid having a dissolved oxygen concentration of 0.02 to 3 mg/L and then drying the pressure-sensitive adhesive coating liquid. The pressure-sensitive adhesive optical film can satisfy heat durability, humidity durability, and high contrast.03-15-2012
20120064339PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR SURFACE PROTECTIVE FILMS AND USE THEREOF - The present invention provides a surface protective film that exhibits small differences in peel strength on account of the surface state of an adherend and that is excellent in anti-contamination to adherends, and a pressure-sensitive adhesive (PSA) composition for the protective film. The PSA composition provided by the present invention comprises 0.01 to 5 parts by weight of a compound containing an oxypropylene group with respect to 100 parts by weight of an acrylic polymer as a base polymer. A surface protective film 03-15-2012
20120070659PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention relates to a pressure-sensitive adhesive sheet containing: a substrate layer comprising a film which contains at least a urethane polymer, and a pressure-sensitive adhesive layer, in which the substrate layer has: (a) a work of 35 to 160 N·mm, the work being calculated from a product of a move amount and a stress until 10% elongation when the substrate layer is elongated at a tensile speed of 200 mm/min; and (b) a stress relaxation time of 30 sec or less, the stress relaxation time being a time for which the stress, after the substrate layer is elongated until 10% at a tensile speed of 200 mm/min and the elongation is held in that state, decreases to 36.8% of the maximum stress.03-22-2012
20110104486LOW SURFACE ENERGY ADHESIVE - Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C.05-05-2011
20100209703DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET AND PRESSURE-SENSITIVE ADHESIVE TYPE OPTICAL MEMBER - The present invention provides a double-sided pressure-sensitive adhesive sheet, including at least one pressure-sensitive adhesive layer which has a gel fraction of 10 to 70%, has a storage modulus at 23° C. of 1×1008-19-2010
20120213992PSA POLYMER OF N-BUTYL ACRYLATE, ETHYL ACRYLATE, VINYL ACETATE, AND ACID MONOMER - Described is a pressure-sensitive adhesive (PSA) polymer formed from (i) 50%-95% by weight of n-butyl acrylate, (ii) 1%-20% by weight of ethyl acrylate, (iii) 1%-20% by weight of vinyl acetate, (iv) 0.1%-5% by weight of at least one ethylenically unsaturated acid or ethylenically unsaturated acid anhydride, and (v) 0% to 30% by weight of other ethylenically unsaturated compounds different from the monomers (i) to (iv). The PSA polymer can be used for producing self-adhesive articles, more particularly paper labels or film labels.08-23-2012
20120077030MULTISTAGE PREPARATION OF AQUEOUS PRESSURE-SENSITIVE ADHESIVE DISPERSIONS FOR PRODUCING SELF-ADHESIVE ARTICLES - Described is a process for preparing an aqueous pressure-sensitive adhesive dispersion from ethylenically unsaturated, free-radically polymerizable monomers. In a first stage, a first polymer is prepared by free-radical emulsion polymerization. In a second stage, an aqueous polymer dispersion is prepared in the presence of the first polymer, where the glass transition temperature calculated for a polymer prepared from the monomers of the second stage is less than −20° C. The monomers of the first stage comprise monomers with acid groups. The polymerization of the first stage takes place at a low pH of less than 5. The acid groups of the first polymer are neutralized during, or before and during, the polymerization of the second stage to an extent such that the pH of the polymer dispersion at the end of the second stage is greater than 5. The aqueous pressure-sensitive adhesive dispersions can be used for producing self-adhesive articles, especially self-adhesive labels and adhesive tapes.03-29-2012
20080318040Intrusion Resistant Thermal Laminating Film - A thermal laminating film is provided that has superior intrusion resistance that is well suited to addressing security and anti-counterfeiting needs. The film includes a polymer substrate and an adhesive system with a polymer component having a Vicat softening point temperature that is close to a glass transition temperature of the polymeric substrate, which typically is not greater than about 95° C.12-25-2008
20120263948REMOVABLE WATER-DISPERSIBLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - A removable water-dispersible acrylic pressure-sensitive adhesive composition according to the present invention includes an acrylic emulsion polymer (A) including, as essential constitutive monomers, a (meth)acrylic alkyl ester in a content of 70 to 99.5 percent by weight, and a carboxyl-containing unsaturated monomer in a content of 0.5 to 10 percent by weight, each based on the total amount of constitutive monomers; a water-insoluble crosslinking agent (B); an acetylenic diol compound (C); and a compound (D) represented by chemical formula [R10-18-2012
20110039099TEMPORARILY REPOSITIONABLE PRESSURE SENSITIVE ADHESIVE BLENDS - Temporarily repositionable pressure sensitive adhesive compositions which are blends of a silicone-modified pressure sensitive adhesive component, a high Tg polymer component and a crosslinker are presented. The silicone-modified pressure sensitive adhesive includes a copolymer that is the reaction product of an acidic or basic monomer, a (meth)acrylic or vinyl monomer, and a silicone macromer. The high Tg polymer component contains acid or base functionality such that when mixed, the silicone-modified pressure sensitive adhesive component and the high Tg polymer component form an acid-base interaction.02-17-2011
20110045289PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILMS, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY - There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, which include the pressure-sensitive adhesive layer that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 35% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit and further including (d) 0.05 to 3% by weight of a carboxyl group-containing (meth)acrylate monomer unit and/or (e) 0.05 to 2% by weight of a hydroxyl group-containing (meth)acrylate monomer unit and having a weight average molecular weight of 1,600,000 to 3,000,000 as determined by gel permeation chromatography; crosslinking agents including 0.01 to 5 parts by weight of an isocyanate crosslinking agent and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer.02-24-2011
20120251821PRESSURE-SENSITIVE ADHESIVE LAYER FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM, METHOD FOR MANUFACTURING THEREOF, AND IMAGE DISPLAY - A pressure-sensitive adhesive layer for an optical film of the invention, which is formed by applying an aqueous dispersion pressure-sensitive adhesive including an aqueous dispersion containing at least a base polymer dispersed in water, and then drying the applied aqueous dispersion pressure-sensitive adhesive, has a content of residual monomer in the pressure-sensitive adhesive layer is 5 to 100 ppm per 1 g of the solid of the pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer for an optical film has high durability so that foaming and peeling can be suppressed even under high temperature or high humidity environment.10-04-2012
200802135842-OCTYL (METH)ACRYLATE ADHESIVE COMPOSITION - A pressure sensitive adhesive composition comprising a 2-octyl (meth)acrylate/(meth)acrylic acid copolymer is described. The adhesive composition may be derived from renewable resources and provides good peel, shear and high temperature stability.09-04-2008
20080213583Electrically-Conductive Laminated Film, Touch Panel Electrode Plate, Touch Panel, and Pressure-Sensitive Adhesive for Use in Electrically-Conductive Laminated Film - An electrically-conductive laminated film of the invention comprises a first transparent substrate having first and second surfaces; an electrically-conductive film comprising a second transparent substrate having first and second surfaces and a transparent electrically-conductive thin layer provided on the first surface of the second transparent substrate; and a pressure-sensitive adhesive layer, wherein the first transparent substrate and the electrically-conductive film are arranged in such a manner that the second surface of the first transparent substrate is opposed to the second surface of the second transparent substrate, wherein the first transparent substrate and the electrically-conductive film are bonded to each other with the pressure-sensitive adhesive layer interposed therebetween; wherein each of the first and second transparent substrates is formed of a plastic material, wherein the pressure-sensitive adhesive layer is formed of a pressure-sensitive adhesive comprising an acrylic polymer comprising 1 to 35% by weight of a methyl (meth)acrylate monomer unit, 60 to 98% by weight of an alkyl (meth)acrylate monomer unit having an alkyl group of 2 to 12 carbon atoms, and 0.1 to 10% by weight of a functional group-containing monomer unit. The electrically-conductive laminated film can suppress to become the pressure-sensitive adhesive layer a pear skin appearance.09-04-2008
20110244229ROLLED ADHESIVE TAPE OR SHEET - A rolled adhesive tape or sheet which is wound in a rolled configuration having; a thermoplastic resin film, and a pressure sensitive adhesive layer formed on one side of the thermoplastic resin film, a fatty acid bisamide as well as a fatty acid monoamide and/or fatty acid are contained at least one of the thermoplastic resin film and the pressure sensitive adhesive layer.10-06-2011
20120135231SURFACE PROTECTIVE SHEET - Provided is a surface protective sheet which satisfactorily adheres even to a coated surface having a rough surface, and not only does not cause an adhesive residue that can be observed with eyes but also does not impair the self-cleaning property of the surface of a coated plate. The surface protective sheet includes: a base material layer; and a pressure-sensitive adhesive layer, in which: a main component in a pressure-sensitive adhesive for constructing the pressure-sensitive adhesive layer includes a polymer P obtained by cross-linking a polymer A; in pulse NMR measurement of the polymer P at 30° C., the maximum spin-spin relaxation time T205-31-2012
20120135230SURFACE PROTECTIVE SHEET - A surface protective sheet which satisfactorily adheres to coated rough surfaces, with no observable adhesive residue without impairing the self-cleaning property of a coated plate, including a base material layer; and a pressure-sensitive adhesive layer, wherein: the pressure-sensitive adhesive layer has an adhesion for a coated steel plate having a ten-point average surface roughness Rz of 8.0 μm of 0.05 N/20 mm or more; a main component including a polymer P obtained by cross-linking a polymer A; the polymer A having a weight-average molecular weight Mw of 500,000 or more; the polymer A having a distribution degree Mw/Mn of 8.0 or less; and an insoluble content of the polymer P in ethyl acetate is 90 wt % or more.05-31-2012
20120135229SURFACE PROTECTIVE SHEET - Provided is a surface protective sheet, which satisfactorily adheres to an adherend and which can be easily re-released and suppresses contamination due to a pressure-sensitive adhesive remaining on the surface of the adherend after the release of the sheet. The surface protective sheet includes: a base material layer; and a pressure-sensitive adhesive layer, in which a difference ΔT (%) between the visible light transmittance T05-31-2012
20130157050REMOVAL PRESSURE SENSITIVE ADHESIVE OF AQUEOUS EMULSION AND METHOD FOR PREPARING THE SAME - Disclosed are a removal aqueous emulsion adhesive, as an aqueous adhesive, which is environmental-friendly, exhibits superior adhesive strength and heat resistance, and low removal noise and is free of ghosts, as compared to rubber-soluble adhesives, and is thus applicable to a variety of commercial labels including labels for cosmetics, medicine, foods, chemical products and promotion, as well as to adhesive sheets such as adhesive labels used for electric and electrical products that require heat resistance and absence of ghosts, and a method for preparing the same.06-20-2013
20120288710PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - An object of the present invention is to provide an acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive, which has excellent adhesiveness to an adherend having surface polarity of every kind and can exhibit excellent repulsion resistance even in a moist heat environment, and a pressure-sensitive adhesive sheet using the composition. The pressure-sensitive adhesive composition provided by the present invention contains a copolymerization reaction product of a monomer mixture. The monomer mixture contains an alkyl (meth)acrylate having an alkyl group with a carbon number of from 4 to 20 and N-vinylcaprolactam. The total sum amount thereof is 95% by mass or more of the whole of monomer components. An amount of N-vinylcaprolactam is from 12 to 40% by mass.11-15-2012
20120028043ACRYLIC PRESSURE-SENSITIVE ADHESIVES WITH ACYLAZIRIDINE CROSSLINKING AGENTS - A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an acylaziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.02-02-2012
20130202885HIGH PERFORMANCE WATER-BASED TACKIFIED ACRYLIC PRESSURE SENSITIVE ADHESIVES - A pressure-sensitive adhesion composition comprising: a first polymer that is acrylate polymer or copolymer comprising polymerized monomers selected from the group consisting of acrylic acid, butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, octyl acrylate, styrene, vinyl acetate and combinations thereof; and b) a second polymer selected from the group consisting of ethylene-acrylic acid copolymer, oxidized polyethylene, oxidized ethylene-vinyl acetate copolymer, maleated polyolefin and combinations thereof; wherein the composition is water-based and adapted for pressure-sensitive adhesion to substrates. The adhesion composition may also comprise a tackifier resin selected from the group consisting of rosin ester resin, rosin acid resin, synthetic hydrocarbon resin, synthetic terpenic resin and combinations thereof. An article of manufacture comprising a support member and a pressure-sensitive adhesion layer attached thereto that comprises said pressure-sensitive adhesion composition. A process of forming a pressure-sensitive adhesive article of manufacture.08-08-2013
20130202886AQUEOUS POLYMER DISPERSION SUITABLE FOR APPLICATION AS TACKIFIER FOR ADHESIVES AND PREPARABLE BY EMULSION POLYMERIZATION BASED ON C1 TO C20 ALKYL (METH)ACRYLATES - Described is an aqueous dispersion comprising at least one polymer dispersed in water and having a weight-average molecular weight of less than 50 000 and a glass transition temperature of −40° C. to 0° C., preparable by emulsion polymerization in the presence of at least one chain transfer agent of a monomer mixture comprising at least 40% by weight of C1 to C20 alkyl (meth)acrylates, 0% to 30% by weight of vinylaromatics, at least 0.1% by weight of acid monomers, and 0% to 50% by weight of further monomers. The dispersion can be used in particular as a tackifier for adhesives.08-08-2013
20120088102NONHALOGENATED FLAME RETARDANT ADHESIVES AND TAPES - Flame retardant adhesives and tape articles include a nonhalogenated flame retardant composition comprising a combination of melamine phosphate and melamine cyanurate.04-12-2012
20120094119PHOTOCURABLE ADHESIVE COMPOSITION, PHOTOCURABLE ADHESIVE LAYER, AND PHOTOCURABLE ADHESIVE SHEET - A photocurable pressure-sensitive adhesive composition, a photocurable pressure-sensitive adhesive layer, and a photocurable pressure-sensitive adhesive sheet including a support and such a photocurable pressure-sensitive adhesive layer formed on at least one side of the support are provided. The photocurable pressure-sensitive adhesive composition can form an adhesive layer that has sufficient initial adhesive strength through the process of drying and cross-linking without having any adhesive protruding at normal temperatures and pressures, hardens easily with light irradiation, and has a high peeling resistance. The photocurable adhesive composition contains a graft polymer that graft-polymerizes a monomer containing a cyclic ether group to a (meth)acrylic polymer and a cationic photopolymerization initiator. The photocurable adhesive layer and the photocurable adhesive sheet are prepared by using said photocurable adhesive composition.04-19-2012
20130071657REINFORCING SHEET FOR RESIN MOLDED PRODUCT, AND STRUCTURE AND METHOD FOR REINFORCING RESIN MOLDED PRODUCT - A reinforcing sheet for a resin molded product includes a constraining layer, and a reinforcing layer laminated on the constraining layer. The reinforcing layer is formed of an adhesive composition containing a polymer and a tackifier. The tackifier contains a high-softening-point tackifier having a softening point of not less than 120° C.03-21-2013
20110020643SURFACE PROTECTIVE SHEET - The present invention is directed to a surface protective sheet having a pressure-sensitive adhesive comprised a thermoplastic elastomer as a main component on at least one surface of a substrate, wherein the pressure-sensitive adhesive comprises a hydrogenation product of styrene random copolymer, an amorphous polypropylene elastomer, a tackifier resin, and a softener, wherein hydrogenation product of styrene random copolymer:amorphous polypropylene elastomer is more than 0:less than 100 to less than 80:more than 20, when the total of the hydrogenation product of styrene random copolymer and the amorphous polypropylene elastomer is taken as 100.01-27-2011
20090286077One-pack type adhesive precoating composition - The present invention relates to a one-pack type adhesive precoating composition comprising (a) a mixture of at least two thermoplastic polymers having different softening points by not less than 30° C., each of which containing a carboxylic acid group or a carboxylic acid anhydride group, (b) a thermoplastic elastomer and (c) a tackifier, dispersed in an organic solvent, with the proviso that the composition does not comprise a latent curing agent.11-19-2009
20090252958PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is a PSA sheet comprising a PVC film (support) provided with PSA layer formed of an aqueous dispersion-type PSA composition, which exhibits a smooth unwinding motion. The PVC film can be obtained by molding a PVC composition comprising PVC and a metal soap. The metal soap comprises an alkali earth metal soap and zinc soap. At least part of the alkali earth metal soap is a stearate and at least part of the zinc soap is zinc laurate.10-08-2009
20100015442ADHESIVE COMPOSITION, METHOD FOR PRODUCING THE SAME AND ADHESIVE BODY - A pressure-sensitive adhesive composition includes a component (i) and a component (ii) and a component (i), the component (i) being a copolymer (I) obtained by hydrogenating a copolymer (I′) having a structure shown by [A-B]01-21-2010
20130157051COMPOSITION, LAMINATED STRUCTURE AND METHOD FOR MANUFACTURING LAMINATED STRUCTURE - A composition can be provided with superior adhesiveness toward adherends, for example, made of plastic (in particular, polypropylene, and the like). The composition includes the following (A) and (B). (A): Polymer (A-1) having structural units derived from propylene and structural units derived from 1-butene, wherein the content of the structural units derived from propylene is 70-99 mol % based on all the structural units of Polymer (A-1), the content of the structural units derived from 1-butene is 1-30 mol % based on all the structural units of Polymer (A-1), and a melting peak is substantially not observed, or, Polymer (A-2) obtained by modification of Polymer (A-1) with an α,β-unsaturated carboxylic acid, (B): Polymer (B-1) having structural units derived from ethylene and structural units derived from propylene, wherein the content of the structural units derived from ethylene is 5-20 mol % based on all the structural units of Polymer (B-1), the content of the structural units derived from propylene is 80-95 mol % based on all the structural units of Polymer (B-1), and a melting peak is observed, or, Polymer (B-2) obtained by modification of Polymer (B-1) with an α,β-unsaturated carboxylic acid.06-20-2013
20110104487Pressure-Sensitive Hot Melt Adhesive Compositions - The present invention is related to pressure-sensitive hot melt adhesive compositions and their applications. In particular, the adhesive compositions described herein comprise a block copolymer component, a hydrocarbon tackifier resin component, and a propylene-based polymer component.05-05-2011
20120263949RUBBER TO METAL BONDING FILM - The present disclosure relates to a thermoplastic film containing an adhesive layer which is heat activated and adhered to metal sheeting and another layer which is heat activated and adhered to rubber.10-18-2012
20130244029PAINT PROTECTION SHEET - The present invention provides paint protection sheet 09-19-2013
20130209801METHOD FOR PRODUCING A MULTILAYER STRUCTURE COMPRISING AN ADHESIVE COMPOSITION BASED ON AN AMYLACEOUS MATERIAL - A method for producing an article including a multilayer structure containing:—a first layer based on a metal or on an organic polymer;—and a second layer of an adhesive composition including by weight: a) from 15 to 40% of at least one amylaceous material; b) from 10 to 30% by weight of at least one plasticizer for this amylaceous material; c) from 10 to 35% of at least one nongrafted polypropylene; d) from 10 to 35% of at least one polypropylene grafted with a grafting monomer selected from unsaturated carboxylic acid anhydrides, unsaturated carboxylic acids, oxiranes and silanes; these percentages being defined relative to the sum of a, b, c and d; the first and second layers adhering to one another and the method including a step of bringing the adhesive composition into contact in the molten or softened state.08-15-2013
20100112348Pressure Sensitive Adhesive for Optical Films and Pressure Sensitive Adhesive Optical Film - Pressure sensitive adhesives for optical films include an acrylic copolymer (A) obtained by copolymerizing 95.0 to 98.0 parts by weight of n-butyl acrylate (a), 2.0 to 5.0 parts by weight of a hydroxyl group-containing (meth)acrylate (b) represented by Formula (1) below, and not more than 2.0 parts by weight of (meth)acrylic acid (c) (the total of (a) to (c) is 100 parts by weight), and satisfy specific requirements.05-06-2010
20130040137WATER-DISPERSIBLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer which is resistant to increase in adhesive strength with time, has a good appearance, and less stains an adherend. The water-dispersible acrylic pressure-sensitive adhesive composition includes an acrylic emulsion polymer; and a water-insoluble crosslinking agent having two or more carboxyl-reactive functional groups per molecule. The acrylic emulsion polymer is formed from constitutive monomers essentially including a (meth)acrylic alkyl ester (A), a carboxyl-containing unsaturated monomer (B), and at least one monomer (C) selected from methyl methacrylate, vinyl acetate, and diethylacrylamide and has a solvent-insoluble content of 70 percent by weight or more. When the acrylic pressure-sensitive adhesive composition is applied so as to have a dry thickness of 50 μm, dried at 120° C. for 2 minutes, and aged at 50° C. for 3 days to give a cross-linked acrylic pressure-sensitive adhesive film, the film has a solvent-insoluble content of 90 percent by weight or more and an elongation at break of 130% or less at 23° C.02-14-2013
20130029147PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is a pressure-sensitive adhesive sheet that maintains a high adhesive force and adhesion reliability (particularly, repulsion resistance and holding power) when the sheet is bonded, and can be easily peeled off from an adherend to easily separate and disassociate a bonded portion when the sheet is peeled off from the adherend.01-31-2013
20100143712SILANE-CROSSLINKING ADHESIVE OR SEALANT COMPRISING N-SILYLALKYLAMIDES AND USE THEREOF - The invention relates to a silane-crosslinking adhesive or sealant containing a polymer that is made up of an organic backbone that carries at least two alkoxy- and/or acyloxysilyl groups, and at least one N-silylalkylamide as an additive. The invention also relates to use of the N-silylalkylamide as an additive in silane-crosslinking adhesives or sealants.06-10-2010
20120189845SEMICONDUCTOR DEVICE MANUFACTURING METHOD - Provided are a semiconductor device producing method with simple production steps while preventing contamination of a bonding pad and preventing warp generation in an adherend such as a substrate, a lead frame, or a semiconductor element, thereby improving yield; an adhesive sheet used in this method; and a semiconductor device obtained by this method. The invention includes a pre-setting step of pre-setting a semiconductor element 07-26-2012
20090291301PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND USE THEREOF - The present invention relates to a pressure-sensitive adhesive composition used for a pressure-sensitive adhesive sheet to be directly attached to a metal surface, the composition including, a monomer mixture or an acrylic copolymer material obtained by at least partially polymerizing the monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the following formula (I): CH11-26-2009
20120244350PRESSURE-SENSITIVE ADHESIVE FOR PVC FOILS - An adhesive is described, in particular for applications on substrate materials made of flexible PVC, comprising a polymer which is obtainable via free-radical polymerization of ethylenically unsaturated compounds and which is composed of at least 50% by weight of soft acrylate monomers with glass transition temperature below 0° C., at least 1% by weight of ethylenically unsaturated nitriles, at least 1% by weight of hard acrylate monomers with glass transition temperature of at least 60° C., at least 0.1% by weight of ethylenically unsaturated acid monomers, and at least 0.01% by weight of monomers having at least two non-conjugated, polymerizable vinyl groups, where the polymerization reaction takes place via staged polymerization, and at least one portion of the soft acrylate monomers is polymerized in a first polymerization stage, and at least one portion of the hard acrylate monomers is polymerized in a second or subsequent polymerization stage. Uses of the adhesive for the bonding of substrates made of flexible PVC are also described, as also are self-adhesive items with a PVC foil as substrate material and with a coating of the adhesive of the invention.09-27-2012
20100239859Adhesive composition, optical member, and surface protective sheet - An adhesive composition includes a copolymer (A), the copolymer (A) being a copolymer of: a hydroxyl group-containing (meth)acrylamide (a1), the hydroxyl group-containing (meth)acrylamide (a1) including at least one of a hydroxyl group-containing acrylamide and a hydroxyl group-containing methacrylamide, and a (meth)acrylate (a2), the (meth)acrylate (a2) including at least one of an acrylic ester and a methacrylic ester; and an antistatic agent (B), the antistatic agent (B) including an ionic compound.09-23-2010
20110244231CROSSLINKABLE SYRUP SOLUTE COPOLYMERS WITH AMINOALKYL (METH)ACRYLOYL SOLVENT MONOMERS - A pre-adhesive syrup polymer composition is described comprising an acid-functional (meth)acrylate copolymer and an aminoalkyl (meth)acryloyl solvent monomer, which when polymerized, provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles.10-06-2011
20090022988PRESSURE SENSITIVE ADHESIVES FOR OPTICAL FILM, MANUFACTURING METHODS FOR PRESSURE SENSITIVE ADHESIVE LAYER FOR OPTICAL FILM, PRESSURE SENSITIVE ADHESIVE LAYERS FOR OPTICAL FILM, PRESSURE SENSITIVE ADHESION TYPE OPTICAL FILMS AND IMAGE DISPLAYS - Provided herein is a pressure sensitive adhesive for an optical film comprising: 100 parts by weight of a (meth)acrylic-based polymer (A) including an alkyl (meth)acrylate (a1) and a (meth)acrylic-based monomer containing a hydroxyl group (a2), as a copolymerizable component, in content in the range of from 0.01 to 5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate (a1); 0.02 to 2 parts by weight of a peroxide (B); and 0.001 to 2 parts by weight of an isocyanate-based compound (C), the contents of the peroxide (B) and the isocyanate-based compound (C) being values relative to 100 parts by weight of the (meth)acrylic-based polymer (A).01-22-2009
20110151253HEAT CURABLE ADHESIVE COMPOSITION - 1) Heat-curable adhesive composition comprising: 06-23-2011
20110081544ADHESIVE COMPOSITION, FILM ADHESIVE, AND HEAT TREATMENT METHOD - An adhesive composition of the present invention contains, as a main composition, a polymer obtained by copolymerizing a monomer composition containing a monomer having a maleimide group, and further contains a thermal polymerization inhibitor. As a result, it is possible to provide an adhesive composition that allows forming an adhesive layer that is excellently dissolved after the adhesive layer has been subjected to a high-temperature process.04-07-2011
20120251822Clean Removable Adhesive Sheet - The invention provides an adhesive sheet comprising polyvinyl chloride (PVC) film and back coating of water based PSA, wherein said PSA comprises a copolymer by copolymerization of a monomer mixture comprising, a) from 30 wt % to less than 70 wt % acrylic acid C4-C8-alkylester, and b) from 2 wt % to 9 wt % (meth)acrylonitrile, wherein the polyvinyl chloride film is not corona treated. The adhesive sheet is suitable for applications of indoor and outdoor graphic poster, especially for clean removable usages.10-04-2012
20090068459Pressure sensitive adhesive composition, product using the same, and display using the product - Disclosed is a pressure-sensitive adhesive composition which contains an acrylic polymer and a crosslinking agent. The acrylic polymer has a weight-average molecular weight of 40×1003-12-2009
20110236682ACRYLIC PRESSURE-SENSITIVE ADHESIVE SHEET, ACRYLIC PRESSURE-SENSITIVE ADHESIVE SHEET MANUFACTURING METHOD, AND LAMINATED CONSTRUCTION - The present invention provides a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer which has both high corrosion resistance and adhesion reliability. The acrylic pressure-sensitive adhesive sheet of the present invention contains at least an acrylic pressure-sensitive adhesive layer containing as a main component an acrylic polymer formed from a composition containing a monomer mixture or a partially polymerized product thereof, in which the monomer mixture contains the following (m1), (m2) and (m3), or (m1), (m2), (m3) and (m4), and in which a content of each component (m1), (m2), (m3), and (m4) is 35 to 97.5% by mass, 2 to 40% by mass, 0.1 to 25% by mass, and 0 to 30% by mass, respectively: 09-29-2011

Patent applications in class Including addition polymer from alpha-beta unsaturated carboxylic acid (e.g., acrylic acid, methacrylic acid, etc.) or derivative thereof