Patent application number | Description | Published |
20090186164 | PHOTOCURABLE ACRYLIC VISCOELASTIC MATERIAL COMPOSITION, ACRYLIC VISCOELASTIC MATERIAL, ACRYLIC VISCOELASTIC MATERIAL LAYER TAPE OR SHEET AND PROCEED FOR PRODUCING THE SAME - The present invention relates to a photocurable acrylic viscoelastic material composition including: an acrylic monomer mixture containing an alkyl (meth)acrylate as a main monomer component and a polar group-containing vinyl monomer, or a partial polymerization product thereof; a (meth)acrylate compound having at least one isocyanate group within the molecule thereof; and a photopolymerization initiator. The photocurable acrylic viscoelastic material composition of the present invention has, by virtue of the above-described construction, excellent pot life and excellent storage stability, despite containing an isocyanate compound having at least one isocyanate group within the molecule thereof, and further can form an acrylic viscoelastic material excellent in the holding power at high temperatures through photocuring. Also, the acrylic viscoelastic material and acrylic viscoelastic material layer tape or sheet of the present invention is excellent in the holding power at high temperatures. | 07-23-2009 |
20100075129 | THERMALLY-FOAMABLE RE-RELEASABLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET - The present invention relates to a thermally-foamable re-releasable acrylic pressure-sensitive adhesive tape or sheet including a microparticle-containing viscoelastic substrate and a thermal foaming agent-containing pressure-sensitive adhesive layer provided on at least one surface of the microparticle-containing viscoelastic substrate. The thermally-foamable re-releasable acrylic pressure-sensitive adhesive tape or sheet of the present invention can be easily separated or disassembled at the separation or disassembling of the bonded part while maintaining a high normal-state adhesive strength at the bonding. | 03-25-2010 |
20110003135 | ULTRAVIOLET-CURABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION, ULTRAVIOLET-CURABLE PRESSURE-SENSITIVE ADHESIVE SHEET AND PROCESS FOR PRODUCING THE SAME - The present invention relates to an ultraviolet-curable pressure-sensitive adhesive composition including (a) a monomer component containing 70 to 99 wt % of an alkyl (meth)acrylate with the carbon number in the alkyl group being 1 to 20 and 1 to 30 wt % of a polar group-containing vinyl monomer, (b) at least one polyfunctional (meth)acrylate having four or more (meth)acryloyl groups within one molecule and having an acryl equivalent of 150 or less, in an amount of 0.01 to 0.1 parts by mol based on 100 parts by mol of the monomer component, and (c) a photopolymerization initiator; an ultraviolet-curable pressure-sensitive adhesive sheet using the same; and a process for producing the same. | 01-06-2011 |
20120015160 | PROCESS FOR PRODUCING POLYMER MEMBER AND POLYMER MEMBER - Provided is a polymer member that demands no volatile component such as solvent during production, in which distribution of its immiscible material is controlled. | 01-19-2012 |
20120058336 | TEMPORARY 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 |
20120059124 | TEMPORARY FIXING SHEET - 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, then can efficiently and easily peel a chip from itself by being cooled to a predetermined temperature or lower, gives a high degree of freedom to designing and has adequate handleability. The temporary fixing sheet has a resin layer which contains a urethane polymer component and a vinyl polymer, develops the tack strength at a particular temperature equal to or higher than 40° C., and loses the tack strength at the particular temperature or lower. | 03-08-2012 |
20120156483 | ASHESIVE TAPE OR SHEET, AND BASE MATERIAL THEREFOR - An object of the present invention is to obtain a pressure-sensitive adhesive tape or pressure-sensitive adhesive sheet which is capable of free design of a pressure-sensitive adhesive and is peelable after use without adding special components to the pressure-sensitive adhesive, and to obtain a base material for use in such a pressure-sensitive adhesive tape or pressure-sensitive adhesive sheet. The base material for pressure-sensitive adhesive tape or pressure-sensitive adhesive sheet according to the present invention, the base material being a composite film containing a urethane polymer having an acryloyl group at its molecular chain end and a (meth)acrylic polymer, in which the composite film has a water absorption ratio of 5% or more. A (meth)acrylic monomer for forming the (meth)acrylic polymer preferably contains at least one compound selected from the group consisting of (meth)acrylic acid and (meth)acryloylmorpholine. | 06-21-2012 |
20120244293 | METHOD FOR PRODUCING POLYMER SHEET HAVING THREE-DIMENSIONAL PATTERN ON SURFACE - Provided is a method for simply producing a polymer sheet having a three-dimensional pattern on surface. The method produces such a polymer sheet having a three-dimensional pattern on surface by applying a polymerizable composition to one surface of a polymer sheet and allowing the surface to have a three-dimensionally altered shape; and thereafter performing polymerization/curing to form a three-dimensional pattern on the surface of the polymer sheet. The polymerizable composition includes a monomer mixture including at least one polymerizable monomer absorbable by the polymer sheet, or a partial polymer of the monomer mixture as an essential component. | 09-27-2012 |
20130034737 | PRODUCTION METHOD OF CURED MULTILAYER SHEET AND CURED MULTILAYER SHEET - Disclosed is a cured multilayer sheet production method, comprising adjacently laminating a first uncured layer formed by a first curable resin and a second uncured layer formed by a second curable resin to form a laminated body, wherein the first curable resin contains a first monomer or partial polymer thereof, and an immiscible substance, the second curable resin contains a second monomer and polymer, the first monomer concentration in the first curable resin is higher than the polymerizable monomer concentration in the second curable resin, wherein in the laminating step, the immiscible substance is eccentrically distributed on or near an interface on the side opposite to the second uncured layer, and thereafter curing the layers, so that a cured multilayer sheet, wherein a substance different from a polymer cured layer is eccentrically located on the surface of the polymer cured layer, is produced at high productivity. | 02-07-2013 |
20130040131 | FLAME-RETARDANT POLYMER MEMBER, FLAME-RETARDANT ARTICLE, AND FLAME-RETARDING METHOD - Provided is a flame-retardant member having flexibility and a high degree of flame retardancy. A flame-retardant polymer member of the present invention is a flame-retardant polymer member having a polymer layer (B) and a flame-retardant layer (A) on at least one surface of the polymer layer (B), in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer (X). | 02-14-2013 |
20130115424 | PROCESS FOR PRODUCING POLYMER MEMBER WITH RUGGED SURFACE STRUCTURE, AND POLYMER MEMBER - The purpose of the present invention is to provide a process for polymer member production in which a rugged surface structure is easy to control, and a polymer member obtained by the process. This process for producing a polymer member ( | 05-09-2013 |
20130141907 | LIGHT DIFFUSING FLAME-RESISTANT COMPOSITE MEMBER - There is provided a light diffusing flame-resistant composite member which has both flame resistance and flexibility and has excellent light diffusibility. The light diffusing flame-resistant composite member of the present invention includes a glass fiber sheet and a condensation-reactive silicone resin, wherein at least one surface of the glass fiber sheet is coated with the condensation-reactive silicone resin, or the glass fiber sheet is impregnated with the condensation-reactive silicone resin, and wherein the composite member has a total light transmittance of 60% or more and a haze value of 80% or more. The condensation-reactive silicone resin may be an inorganic oxide particle-containing condensation-reactive silicone resin comprising a crosslinking structure in which inorganic oxide particles dispersed in a polysiloxane resin having a condensation-reactive group is crosslinked with the polysiloxane resin by chemical bonds. | 06-06-2013 |
20130189516 | FLAME-RETARDANT POLYMER MEMBER WITH ENVIRONMENTAL RESISTANCE AND FLAME-RETARDANT POLYMER MEMBER WITH HYGIENIC PROPERTY - The present invention aims to provide a flame-retardant member having environment-resistant functionality or hygienic functionality, flexibility, and a high degree of flame retardancy. An environment-resistant functional flame-retardant polymer member of the present invention is an environment-resistant functional flame-retardant polymer member including a polymer layer (B), a flame-retardant layer (A), and an environment-resistant functional layer (L) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer. A hygienic functional flame-retardant polymer member of the present invention is a hygienic functional flame-retardant polymer member including a polymer layer (B), a flame-retardant layer (A), and a hygienic functional layer (L) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer. | 07-25-2013 |
20130196150 | PHYSICALLY FUNCTIONAL FLAME-RETARDANT POLYMER MEMBER AND CHEMICALLY FUNCTIONAL FLAME-RETARDANT POLYMER MEMBER - Provided is a flame-retardant member having physical functionality or chemical functionality, flexibility, and a high level of flame retardancy. The physically functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a physically functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer. The chemically functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a chemically functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer. | 08-01-2013 |
20130210301 | COMPOSITE SHEET - Provided is a novel composite sheet, including a substrate and a foamed layer which is provided on at least one surface side of the substrate, at a low cost in an environment-friendly manner, in which the composite sheet includes a foamed layer having a uniform fine-cell structure, the average pore diameter of each of spherical cells of the foamed layer can be precisely controlled to a small one, the control range of the density of the foamed layer is wide, the control range of the thickness of the foamed layer is wide, and the composite sheet can express an excellent mechanical strength and is preferably excellent in toughness and heat resistance. The composite sheet includes a substrate; and a foamed layer which is provided on at least one surface side of the substrate, in which: the foamed layer has spherical cells, an average pore diameter of each of the spherical cells being less than 30 μm; and the foamed layer has a density of 0.1 g/cm | 08-15-2013 |
20130210303 | HIGHLY FLAME-RETARDANT POLYMER MEMBER, FLAME-RETARDANT ARTICLE, AND FLAME-RETARDING METHOD - Provided is a flame-retardant member having transparency, flexibility, and a high level of flame retardancy. A highly flame-retardant polymer member of the present invention is a highly flame-retardant polymer member including a polymer layer (B), an inorganic base material (L), and a flame-retardant layer (A) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer. | 08-15-2013 |
20130216814 | W/O EMULSION, FOAM, AND FUNCTIONAL FOAM - Provided is a W/O emulsion, including a continuous oil phase component and an aqueous phase component immiscible with the continuous oil phase component, in which: the continuous oil phase component includes a hydrophilic polyurethane-based polymer and an ethylenically unsaturated monomer; the hydrophilic polyurethane-based polymer includes a polyoxyethylene polyoxypropylene unit derived from polyoxyethylene polyoxypropylene glycol; and the polyoxyethylene polyoxypropylene unit includes 5 wt % to 25 wt % of polyoxyethylene. Also provided is a foam, including a hydrophilic polyurethane-based polymer, in which: the foam has an open-cell structure in which through-holes are present between adjacent spherical cells; the spherical cells each have an average pore diameter of less than 20 μm; the through-holes each have an average pore diameter of 5 μm or less; and the foam has surface openings each having an average pore diameter of 20 μm or less in a surface thereof. | 08-22-2013 |
20130224467 | FOAM, PRODUCTION METHOD FOR FOAM, AND FUNCTIONAL FOAM - Provided are a novel foam which has a uniform fine-cell structure and is excellent in toughness and heat resistance, and a production method therefor. Also provided is a functional foam which includes the above-mentioned foam and has imparted thereto various functions. The foam includes spherical cells, in which: the spherical cells each have an average pore diameter of less than 20 μm; the foam has a density of 0.15 g/cm | 08-29-2013 |
20130251987 | POLYMER MEMBER HAVING RESISTANCE TO CIGARETTE BURNS, ARTICLE WITH RESISTANCE TO CIGARETTE BURNS, AND METHOD FOR PROVIDING RESISTANCE TO CIGARETTE BURNS - Provided is a member which is excellent in transparency and flexibility, and can impart a resistance to cigarette burns to various adherends by being attached to the various adherends. Specifically provided is a polymer member with a resistance to cigarette burns, including a polymer layer, in which: the polymer layer contains a layered inorganic compound (f) in a polymer (X); and the polymer (X) contains a cross-linked polymer. | 09-26-2013 |
20130309482 | THERMALLY FUNCTIONAL FLAME-RETARDANT POLYMER MEMBER - Provided is a flame-retardant member having thermal functionality, flexibility, and a high level of flame retardancy. The thermally functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a thermally functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer. | 11-21-2013 |
20130309487 | PRESSURE-SENSITIVE ADHESIVE AGENT CONVERTIBLE INTO ADHESIVE AGENT - Provided is a pressure-sensitive adhesive agent convertible into an adhesive agent, which allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, and is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire. The pressure-sensitive adhesive agent convertible into an adhesive agent has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered. | 11-21-2013 |
20140004331 | SHATTERPROOFING MEMBER WITH HARDENABLE PRESSURE-SENSITIVE ADHESIVE LAYER | 01-02-2014 |
20140135417 | TRANSPARENT ADHESIVE/BONDING AGENT AND HIGH-TEMPERATURE MAINTAINING STICKY AGENT - Provided is a transparent pressure-sensitive adhesive agent convertible into an adhesive agent that allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire, and has such transparency as to hardly impair the designs of the adherends. The transparent pressure-sensitive adhesive agent convertible into an adhesive agent has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered. | 05-15-2014 |
20140301090 | FLAME-RESISTANT COMPOSITE MEMBER - There is provided a flame-resistant composite member exhibiting remarkably high flame resistance even if having a flammable base material. The flame-resistant composite member according to the present invention has a film formed of a silicone resin composition (C) containing at least an inorganic oxide particle-containing condensation-reactive silicone resin on at least one surface of a base material. The inorganic oxide particle-containing condensation-reactive silicone resin may be a condensation-reactive silicone resin (A) including a crosslinked structural body wherein an inorganic oxide particle dispersed in a polysiloxane resin having a condensation-reactive group and the polysiloxane resin are crosslinked through a chemical bond. The silicone resin composition (C) may contain the condensation-reactive silicone resin (A) and an inorganic particle (B). | 10-09-2014 |