Entries |
Document | Title | Date |
20080234432 | Process for making an acrylic monomer having one or more quaternary ammonium groups and its polymers
- A method for making a monomer having an ethylenically unsaturated group and two or more quaternary ammonium groups per molecule, comprising:
| 09-25-2008 |
20090012235 | DISPERSANT FOR USE IN A FLUOROCARBON COATING COMPOSITION - A fluorocarbon coating composition comprises a fluorocarbon resin, a dispersant, and a cross-linking agent reactive with the dispersant. The dispersant used in the fluorocarbon coating composition comprises a reaction product of a non-functional acrylic monomer, an amino-functional vinyl monomer, and a hydroxy-functional acrylic monomer. The dispersant has amine functionality from the amino-functional vinyl monomer to aid in dispersion of the fluorocarbon resin in the fluorocarbon coating composition and has hydroxyl functionality from the hydroxy-functional acrylic monomer to enhance cross-linking with the cross-linking agent in the fluorocarbon coating composition. A fluorocarbon coating system comprises a substrate and the fluorocarbon coating composition disposed on the substrate. | 01-08-2009 |
20090036605 | OILFIELD NANOCOMPOSITES - An oilfield apparatus includes an oilfield element made of a composite that includes a matrix material; and a plurality of functionalized graphene sheets dispersed in the matrix material. A method of oilfield operation includes selecting an oilfield apparatus having an oilfield element, wherein at least a portion of the oilfield element is made of a composite comprising a plurality of functionalized graphene sheets dispersed in a matrix material; and using the oilfield apparatus in an oilfield operation, thereby exposing the oilfield element to an oilfield environment. A method for modifying a functionalized graphene sheet includes obtaining the functionalized graphene sheet; and subjecting the functionalized graphene sheet to atom transfer radical polymerization to attach polymers on surfaces of the functionalized graphene sheet. The polymers attached to the surfaces of the functional graphene sheet may comprise co-polymers or magnetic particles. | 02-05-2009 |
20090048396 | Emulsion separator - Apparatus is provided for separating oil from compressor condensate. It comprises a separator having an upper chamber provided with a condensate inlet and a filter housing containing a hydrophobic oleophilic substance so that in use condensate flows from the upper chamber through the filter housing under the action of gravity. The upper chamber contains a coalescing filter connected with the condensate inlet. In an alternative structure, a holding tank is series connected with a separator, and means is provided for supplying a de-emulsifying agent to condensate in the holding tank before the condensate is supplied to the separator. The above apparatus can carry out a method which comprises mixing the condensate with de-emulsifying agent, holding the mixture while emulsion cracking at least partly proceeds, and supplying the at least partly cracked emulsion to a separator containing a hydrophobic oleophilic substance. | 02-19-2009 |
20090076219 | COMPOSITION FOR IMAGE RECORDING, IMAGE RECORDING INK SET, AND RECORDING APPARATUS - A composition for image recording includes a curable material that is curable by an external stimulus, and an oil absorbing material. | 03-19-2009 |
20090082524 | Water-Soluble and Water-Insoluble, Ring Opening Metathesis Polymerization Products, Monomers and Related Methods - The invention provides certain novel water-soluble and water-insoluble monomers for ring opening metathesis polymerization and novel polymers, compositions and products, and related methods thereof. | 03-26-2009 |
20090099310 | NOVEL TRANSITION METAL COMPOUND, CATALYST FOR OLEFIN POLYMERIZATION CONTAINING THE SAME, AND METHOD FOR PRODUCING PROPYLENE/ETHYLENE-ALPHA-OLEFIN BLOCK COPOLYMER BY USING THE CATALYST - Disclosed is a novel transition metal compound which is used for forming a metallocene catalyst for olefin polymerization. Specifically disclosed is a novel transition metal compound represented by the general formula below which enables to form a metallocene catalyst that has a balanced reactivity with ethylene and a comonomer selected from α-olefins having 3-20 carbon atoms and enables to produce an α-olefin polymer having a high molecular weight. Also specifically disclosed are a catalyst for olefin polymerization containing such a transition metal compound, and a method for producing a propylene/ethylene-α-olefin block copolymer wherein such a catalyst is used. | 04-16-2009 |
20090105416 | Synthesis of Vinylphenylpyridine and Living Anionic Polymerization - Provided are a vinyl-biphenylpyridine monomer and a polymer thereof. More particularly, the present invention provides a vinyl-biphenylpyridine monomer having a side chain of pyridine or phenylpyridine as a functional group, a homopolymer of which molecular weight and molecular weight distribution are controlled using the monomer, and a block copolymer of which molecular structure and molecular weight are controlled to facilitate synthesis of an organic metal complex. Accordingly, the present invention provides a vinyl-biphenylpyridine monomer and a polymer thereof which are effectively used as nano and optical functional materials. | 04-23-2009 |
20090137739 | Polypropylene for Injection Molding - A polypropylene resin comprising a propylene polymer having the following features:
| 05-28-2009 |
20090156739 | Process for the Preparation of a Dry Powder of a Polymeric Additive - A process for the preparation of a dry powder of a polymeric additive, which process comprises the steps of (a) providing in a vessel a polymeric additive optionally dissolved in a solvent, (b) adjusting the temperature of the polymeric additive to a range between 40° C. to 200° C., (c) pressurizing a highly compressible fluid at a pressure between 50 and 1000 bar and heating the highly compressible fluid to a temperature between 100° C. and 200° C., (d) mixing the heated polymer additive and the heated highly compressible fluid to reach a gas to polymer ratio (GTP) of between 2 to 8, (e) expanding the mixture obtained in d) by means of an expanding device into a spraying tower, (f) removing from the stream of expanded highly compressible fluid the dry polymeric additive particles which have been formed, characterized in that the polymer additive is a polymeric pigment dispersant which is c) a polyurethane dispersant dissolved in a solvent and whereby the polyurethane dispersant is prepared as disclosed in EP438836 A or b) an acrylic block copolymer dispersant prepared from an acrylate or methacrylate and at least one cationic monomer. | 06-18-2009 |
20090163657 | Polymer Structure Whose Surface and/or Interface Is Modified, and Method for Producing the Same - There is provided a novel, simple, general-purpose technique capable of being applied to the modification of the polymer surface and/or interface. | 06-25-2009 |
20090171021 | Thermosetting resin composition, sealant for optical device, and cured product - There is provided a thermosetting resin composition including a radical (co)polymer (A), at least one of polybasic acid anhydrides and polybasic acids (B); and an accelerator (C) as essential components, in which the radical (co)polymer (A) is a product of (co)polymerization of an ethylenically unsaturated monomer (a), optionally with an ethylenically unsaturated monomer (b) copolymerizable with the ethylenically unsaturated monomer (a), using a non-nitrile azo compound as a polymerization initiator, and the ethylenically unsaturated monomer (a) has one or more cycloaliphatic epoxy groups per molecule. There are also provided a sealant for optical devices, and a cured product. The thermosetting resin composition yields a cured product having high optical transparency and glass transition temperature Tg and showing satisfactory light stability and anti-cracking properties. It also yields a sealant for optical devices, which shows high optical transparency and glass transition temperature Tg and has satisfactory light stability and anti-cracking properties. | 07-02-2009 |
20090221748 | COATING COMPOSITIONS COMPRISING A POLYMER CONTAINING AN OLIGOMERIC MACROMONOMER - The present invention is directed to a coating composition comprising a polymer that comprises an oligomeric macromonomer and a core from which the oligomeric macromonomer extends, wherein the oligomeric macromonomer comprises reactive functional groups and has an average functionality ranging from 1.0 to 30, and wherein the core is <10 weight % of the total polymer weight. | 09-03-2009 |
20090239999 | Polymerization Process and Adhesives Therefrom - This invention relates to a propylene polymer comprising a component having a crystallinity of 10% or less and a component having a crystallinity of 20% or more, said propylene polymer having:
| 09-24-2009 |
20090258994 | Method for Producing Post-Cured Water-Absorbent Polymer Particles with a Higher Absorption by Polymerising Droplets of a Monomer Solution - A process for preparing postcrosslinked water-absorbing polymer beads with high absorption by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the solids content of the monomer solution is at least 35% by weight and the polymer beads have a mean diameter of at least 150 μm. | 10-15-2009 |
20090286934 | UV STABILIZER FOR PMMA - The invention relates to a molding compound comprising UV absorbers, to a method for producing the same and to uses thereof. | 11-19-2009 |
20090299008 | Organic antimony compound, process for producing the same, living radical polymerization initiator, process for producing polymer using the same, and polymer - An organoantimony compound represented by the formula (1), processes for producing polymers with use of the compound, and polymers | 12-03-2009 |
20090299009 | METHOD FOR PRODUCING CYCLIC UNSATURATED COMPOUND - The present invention provides a method for producing a cyclic unsaturated compound, which sufficiently suppresses generation of acyclic unsaturated compounds and permits excellent yield and reaction rate. Such a method for producing a cyclic unsaturated compound is a method for producing a cyclic unsaturated compound by reacting an α,β-unsaturated carboxylic acid with an unsaturated organic compound, wherein the method comprises a step of reacting the α,β-unsaturated carboxylic acid with the unsaturated organic compound in the presence of a catalyst. | 12-03-2009 |
20090306292 | MODIFICATION OF SOLID SURFACES BY APPLICATION OF POLYMER ASSOCIATIONS THEREON - Polymer combinations which contain:
| 12-10-2009 |
20090312492 | POLYROTAXANES AND MATERIAL HAVING POLYROTAXANE, CROSSLINKED POLYROTAXANES AND MATERIAL HAVING THE CROSSLINKED POLYROTAXANE, AND PROCESSES FOR PRODUCING THESE - A polyrotaxane which has enhanced solubility and is soluble in various solvents, 2) a polyrotaxane which is reversibly responsive to an external stimulus, 3) a chemically crosslinked polyrotaxane which has a high Young's modulus and a high elongation and has a high transmittance, and/or 4) a chemically crosslinked polyrotaxane which is reversibly responsive to an external stimulus; and/or a material containing any of these; and/or processes for producing these. The polyrotaxanes each comprises: a pseudo-polyrotaxane having a structure constituted of cyclic molecules and a linear molecule with which the holes of the cyclic molecules are pierced to form a clathrate; and a blocking group disposed at each end of the pseudo-polyrotaxane so as to prevent the cyclic molecules from leaving. The cyclic molecules have a functional group represented by the following formula (I) and at least one functional group selected among functional groups represented by the following formulae (II-1) to (II-6). | 12-17-2009 |
20100004393 | Polyolefin polymer containing vinyl groups at both ends and composition thereof - The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting of ethylene (a), an α-olefin (b) having 3 to 20 carbon atoms, and a cyclic olefin (c), and
| 01-07-2010 |
20100036054 | NOVEL SURFACE ACTIVE POLYMERIC SYSTEMS - A polymer comprising a bulk polymer or copolymer P | 02-11-2010 |
20100063208 | Multicomponent Taggant Fibers and Method - Taggant fibers and methods of use provide for enhanced protection and security when the fibers are used in documents such as land titles, currency, passports and other documents of value. The taggant fibers consist of a minimum of two separate zones with each zone containing a different taggant to emit different wave lengths when excited. The taggants may consist of organic or inorganic compounds as are conventionally known and can be manufactured using for example polymeric materials which can be extruded during the fiber manufacturing process. Authentication of the fibers or documents containing such fibers can be readily viewed using conventional techniques. | 03-11-2010 |
20100113696 | METHODS FOR PREPARING CARBON NANOTUBE/POLYMER COMPOSITES USING FREE RADICAL PRECURSORS - In some embodiments, the present invention is directed to methods of fully integrating CNTs and the surrounding polymer matrix in CNT/polymer composites. In some such embodiments, such integration comprises interfacial covalent bonding between the CNTs and the polymer matrix. In some such embodiments, such interfacial covalent bonding is provided by a free radical reaction initiated during processing. In some such embodiments, such free radical initiation can be provided by benzoyl peroxide. In some or other embodiments, the present invention is directed to CNT/polymer composite systems, wherein the CNTs within such systems are covalently integrated with the polymer. In some or other embodiments, the present invention is directed to articles of manufacture made from such CNT/polymer composite systems. | 05-06-2010 |
20100137515 | PHOTO- AND/OR THERMO-CURABLE COPOLYMER, CURABLE RESIN COMPOSITIONS, AND CURED ARTICLES - Disclosed is a photo- and/or thermo-curable copolymer having polymerizable unsaturated groups in side chains, which is obtainable by reacting a copolymer (P) with an epoxy-containing polymerizable unsaturated compound (C), the copolymer (P) containing monomer units derived from a carboxyl-containing polymerizable unsaturated compound (A) and monomer units derived from at least one epoxy-containing polymerizable unsaturated compound (B) represented by following Formula (1) or (2), in which the epoxy group of the epoxy-containing polymerizable unsaturated compound (C) has been added to part of the carboxyl groups of the copolymer (P). In the formulae, R | 06-03-2010 |
20100144969 | ISOSELECTIVE POLYMERIZATION OF EPOXIDES - The present invention provides novel bimetallic complexes and methods of using the same in the isoselective polymerization of epoxides. The invention also provides methods of kinetic resolution of epoxides. The invention further provides polyethers with high enantiomeric excess that are useful in applications ranging from consumer goods to materials. | 06-10-2010 |
20100160557 | REACTIVE URETHANE COMPOUND HAVING ETHER BOND, CURABLE COMPOSITION, AND CURED MATERIAL - An object of the present invention is to provide a reactive urethane compound having superior curability, adhesion to substrates, transparency, molecular flexibility, and mechanical properties, a curable composition containing the compound, and a cured material formed from the composition. An ethylenically-unsaturated-group containing reactive urethane compound of the present invention is represented by formula (I): | 06-24-2010 |
20100190929 | USE OF POLYMER POWDER CONTAINING UV ABSORBER FOR THE STABILISATION OF POLYMERS AGAINST THE EFFECTS OF UV RADIATION - The present invention relates to the use, for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, of fine-particle polymer powders comprising at least one UV absorber. The present invention further relates to stabilizer mixtures for stabilizing polymers with respect to exposure to UV radiation, oxygen and heat, which, inter alia, comprise these polymer powders, and to a process for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, oxygen and heat, which comprises adding, to the polymers, in particular to the polyolefins, an effective amount of these stabilizers. The present invention further relates to polymers, in particular polyolefins, which have been stabilized with respect to exposure to UV radiation or with respect to exposure to UV radiation, oxygen and heat, which comprise an effective amount of these polymer powders or, respectively, stabilizer mixtures, and to articles produced from these stabilized polymers, in particular polyolefins. | 07-29-2010 |
20100204402 | Zwitterionic Block Copolymers And Methods - Zwitterionic block copolymers having oppositely charged or chargeable terminal groups, and methods of making and using the same, are disclosed. The zwitterionic block copolymers can undergo microphase separation. | 08-12-2010 |
20100204403 | SULFONATED BLOCK COPOLYMERS, METHOD FOR MAKING SAME, AND VARIOUS USES FOR SUCH BLOCK COPOLYMERS - A pre-cursor block copolymer for sulfonation which, prior to hydrogenation, has the general configuration A-B-A, A-B-A-B-A, (A-B-A)nX, (A-B)nX, A-D-B-D-A, A-B-D-B-A, (A-D-B)nX, (A-B-D)nX or mixtures thereof, wherein A, B and D blocks do not contain any significant levels of olefinic unsaturation. Each A and D block is a polymer block resistant to sulfonation, and each B block is a polymer block susceptible to sulfonation. Each A block is a segment of one or more polymerized para-substituted styrene monomers, each B block contains segments of one or more vinyl aromatic monomers selected from polymerized (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof, and each D block contains polymers having a glass transition temperature less than 20° C. and a number average molecular weight of between 1,000 and 50,000 | 08-12-2010 |
20100222509 | Block Coordination Copolymers - The present invention provides compositions of crystalline coordination copolymers wherein multiple organic molecules are assembled to produce porous framework materials with layered or core-shell structures. These materials are synthesized by sequential growth techniques such as the seed growth technique. In addition, the invention provides a simple procedure for controlling functionality. | 09-02-2010 |
20100273944 | THERMOPLASTIC RESIN COMPOSITION, PRODUCTION METHOD THEREOF, AND MOLDED ARTICLE - A thermoplastic resin composition includes a thermoplastic resin (A) and a reactive functional group-containing resin (B), which has a specific structure in the morphology of the resin composition observed by transmission electron microscopy tomography, and the relaxation time T1C of each carbon nucleus by the solid NMR measurement of the thermoplastic resin composition containing a polyamide resin is kept in a specific range. The composition is excellent in the balance between contradictory properties such as impact resistance and heat resistance, remarkably exhibits a peculiar viscoelastic behavior not observed in the conventional polymeric materials, and is remarkably excellent in impact energy absorbing performance and vibration energy absorbing performance at the time of high-speed deformation. | 10-28-2010 |
20100324216 | HEAT-STABLE ENCAPSULATED PIGMENTS - Engineering plastics, especially polyamide, are coloured with improved fastness and stability properties using pigment compositions comprising an organic pigment wholly overlaid with a crosslinked (meth)acrylic resin or copolymer thereof. Preference is given to the use of diketopyrrolopyrrole, azo, pteridine, isoindoline and isoindolinone pigments. Processes for the preparation of the pigment compositions are also claimed. | 12-23-2010 |
20100324217 | MODIFIED FLUOROCARBON RESIN COMPOSITION AND MOLDED PRODUCTS - A modified fluorocarbon resin composition and a modified molded product of fluorocarbon resin composition having an excellent abrasion resistivity and low friction property under high pressure, are provided. The modified fluorocarbon resin composition comprises a blend of fluorocarbon resin and aromatic engineering plastic, which is modified by irradiation of ionizing radiation. | 12-23-2010 |
20110015346 | ETHYLENE-BASED POLYMER COMPOSITIONS - The present invention provides an ethylene-based polymer composition characterized by a Comonomer Distribution Constant in the range of from greater than 45 to less than 400, wherein the composition has less than 120 total unsaturation unit/1,000,000 C, and method of producing the same. | 01-20-2011 |
20110021702 | FUNCTIONALIZED VINYL POLYMER NANOPARTICLES - Nanoparticles of functionalised, cross-linked vinyl polymer, usable as reinforcing filler in a polymeric matrix. The vinyl polymer is a copolymer of at least the following monomers, which are all copolymerisable by free-radical polymerisation: a non-aromatic vinyl monomer “A”; a monomer “B” bearing a function Z of formula ≡Si—X, where X represents a hydroxyl or hydrolysable group; and a cross-linking monomer “C” which is at least bifunctional from the point of view of the polymerisation. The vinyl polymer is preferably a polymethacrylate, in particular a copolymer of methyl methacrylate (monomer A), trimethoxysilylpropyl methacrylate (monomer B) and ethylene glycol dimethacrylate (monomer C), being in the form of nanobeads the diameter of which is of between 10 and 100 nm. | 01-27-2011 |
20110065864 | Method for Crosslinking by Thermal Huisgen Reaction, Crosslinkable Chromophoric Polymers, and Crosslinked Polymer Substances Having Stable Electro-Optical Properties - The present invention relates to a process for crosslinking polymers containing chromophoric groups, by thermal Huisgen reaction, on heat-polymerizable chromophoric polymers bearing at least one azide function and/or one alkyne function and on crosslinked polymerized materials with good orientation stability of the chromophores. | 03-17-2011 |
20110071257 | PHOTOCHROMIC COMPOSITIONS, RESINS AND ARTICLES OBTAINED THEREFROM - Compositions that include one or more compounds according to formula I: | 03-24-2011 |
20110152456 | Polyester Compositions with Good Melt Rheological Properties - Processes of making thermoplastic compositions comprising melt-mixing one or more thermoplastic polymers with a hyperbranched polymer made by heating in the presence of a mild basic/nucleophilic esterification catalyst a monomer mixture comprising a hyperbranching monomer consisting of compounds having two COOH groups and one OH group, compounds having one COOH group and two OH groups, compounds having one COOH group and three OH groups, or compounds having three COOH groups and one OH group, wherein the mild basic/nucleophilic esterification catalyst is selected from tin, titanium, aluminum, antimony, manganese, zinc, and calcium derivatives. Upon molding the thermoplastic composition into a test specimen having a thickness of 2 millimeters and after aging the test specimen at 121° C., 2 atm and 100 percent relative humidity for 50 hours, the test specimen retains at least 50 percent of its initial tensile strength as measured according to ISO 527-2/5A. | 06-23-2011 |
20110152457 | Polyester Compositions with Good Melt Rheological Properties - Processes of making thermoplastic compositions comprising melt-mixing certain hyperbranched polymers with one or more thermoplastic polymers, such that the hyperbranched polymers are made by heating the presence of an acid esterification catalyst a monomer mixture comprising a hyperbranching monomer consisting of compounds having two COOH groups and one OH group, compounds having one COOH group and two OH groups, compounds having one COOH group and three OH groups, or compounds having three COOH groups and one OH group, | 06-23-2011 |
20110218301 | POLYMER AND METHOD FOR PRODUCING THE SAME - A method for producing a polymer, including polymerizing a ring-opening polymerizable monomer in a compressive fluid with a metal-free organic catalyst to produce a polymer. | 09-08-2011 |
20110218302 | PROCESS FOR PRODUCTION OF POLYMERS HAVING FUNCTIONAL GROUPS, AND STAR POLYMERS OBTAINED THEREBY - It is to provide a method for producing a polymer by a living anionic polymerization, wherein the number of functional groups and the introduction position are accurately specified in the polymer. For this purpose, a cinnamyl alcohol represented by the following formula [I] or a derivative thereof is subjected to a reaction when conducting a living anionic polymerization. In formula [I], R | 09-08-2011 |
20110269905 | Polymerizable Monomer, Graft Copolymer, and Surface Modifier - The graft copolymer comprises a polymerizable monomer (A1) represented by general formula (III) and a polymerizable monomer (B1) containing a pyridyl group, and a ligand can be bonded via the functional group at the terminus of R | 11-03-2011 |
20110282003 | Free-radical Stable Polymers that are Curable in the Presence of Co-agent - A polymer is described that is stable in the presence of a free-radical initiator, but which cures when subjected to a small amount of free-radical initiator when in the presence of a co-agent. The polymer's main chain comprises polymerized olefin monomers, isobutylene-co-isoprene, or isobutylene-co-methylstyrene. The polymer's side chains comprise a functionality that crosslinks when subjected to a free-radical initiator in the presence of a co-agent. Suitable co-agents include bis-maleimide. Methods for preparing and for crosslinking such polymers are described. Cured product is halo-free and has low odour. | 11-17-2011 |
20110282004 | POLYFUNCTIONAL POLYMER OF HIGH STEREOREGULARITY AND METHOD FOR PRODUCING THE SAME - This invention provides a polyfunctional polymer having high stereoregularity, in particular, isotacticity, and provides a production process thereof. The present invention relates to a polymer having, in a molecule, a repeating unit represented by General Formula (2): | 11-17-2011 |
20110313104 | Polypropylene Compositions for Oriented Films - Oriented films and methods of forming the same are discussed herein. The oriented films generally include a propylene based polymer and an additive selected from fluoropolymers, fluoroelastomers and combinations thereof, wherein the additive is present in an amount of from about 50 ppm to about 20,000 ppm. | 12-22-2011 |
20120029151 | CURABLE POLYORGANOSILOXANE COMPOSITION - A curable polyorganosiloxane composition which has an (A) alkenyl group-containing polyorganosiloxane, a (B) polyalkylhydrogensiloxane and (C) a platinum group metal compound. The (A) alkenyl group-containing polyorganosiloxane which includes (A1) branched polyorganosiloxane comprising an SiO | 02-02-2012 |
20120065331 | SILICONE-CONTAINING POLYMERIC MATERIALS WITH HYDROLYZABLE GROUPS - The invention provides a silicone hydrogel contact lens including a hydrolyzable units. The hydrolyzable units can be converted by hydrolysis into a hydrophilic units which is capable of imparting the silicone hydrogel contact lens a hydrophilic surface without post-curing surface treatment. The invention also provides an actinically crosslinkable prepolymer including hydrolyzable units and use of the prepolymer of the invention. In addition, the invention provides a method for making wettable silicone hydrogel contact lens without posterior surface treatments other than hydrolysis. | 03-15-2012 |
20120252976 | HIGH ENERGY DENSITY NANOCOMPOSITES AND RELATED METHODS OF PREPARATION - Metal oxide-polymer composites and methods of preparation. | 10-04-2012 |
20120283385 | STRUCTURE, TARGET SUBSTANCE-DETECTING ELEMENT AND TARGET SUBSTANCE-DETECTING KIT - According to the present invention, there can be provided a structure preventing the nonspecific adsorption, and a target substance-detecting element and a target substance-detecting kit. A first aspect of the present invention is a structure including: a substrate; and a membrane, present on the surface of the substrate, having a polymer of a monomer represented by the following General Formula (1) or (2): | 11-08-2012 |
20120309899 | HYDROPHOBIC ACRYLIC INTRAOCULAR LENS MATERIALS - Disclosed are low-tack, hydrophobic, high refractive index, acrylic materials. These materials, especially useful as intraocular lens materials, contain one or more aryl acrylic hydrophobic monomers as principal device-forming monomers, a tack-reducing macromer additive and a glistening-reducing additive. In addition to their use as intraocular lens materials, the present materials are also suitable for use in other implantable ophthalmic devices. | 12-06-2012 |
20120309900 | NOVEL CHAIN TRANSFER AGENT AND EMULSION POLYMERIZATION USING THE SAME - To provide a novel compound having both a surface-activating ability and a polymerization controlling ability. | 12-06-2012 |
20130005903 | Block Copolymer-Comprising Compositions and Methods of Purifying PS-b-PXVP - In one embodiment, a block copolymer-containing composition includes PS-b-PXVP and a lithium salt, where “X” is 2 or 4. All lithium salt is present in the composition at no greater than 1 ppm by weight. In one embodiment, a homogenous block copolymer-including comprising has PS-b-PXVP present in the composition at no less than 99.99998% by weight, where “X” is 2 or 4. Methods of forming such compositions are disclosed. | 01-03-2013 |
20130005904 | PROCESS FOR PRODUCING WATER-ABSORBING RESIN - The disclosed process for producing a water-absorbing resin comprising: a polymerization step of polymerizing an aqueous unsaturated monomer; a drying step of drying a particulated water-containing gel-liked crosslinked polymer, obtained in a finely crushing step during the polymerization or after the polymerization; a pulverizing step after the drying, a classification step after the drying, and a surface treatment step after the classification. In the process is, the surface-treatment step is interrupted with a heating treatment apparatus kept in a heated state and thereafter the surface treatment step is restarted. | 01-03-2013 |
20130012659 | LUBRICANT COMPONENT - A lubricant component is a copolymer of ethylene and α-olefins made by forming a series of α-olefins by oligomerization of ethylene using an oligomerization catalyst, and then copolymerizing the α-olefins and ethylene using a transition metalcontaining polymerization catalyst. The copolymer, which often has a high Viscosity Index, may be used, for example, in a lubricant as the base oil or a viscosity index modifier. The polyolefin may also be a component of a lubricant additive, meant to be added to an already formulated lubricant to improve the lubricant's properties. | 01-10-2013 |
20130030121 | METHODS OF CONSTRUCTING ALKENE-BASED HOMOPOLYMER POLYOLEFINS HAVING REDUCED CRYSTALLINITY - The invention is a novel family of polyolefins characterized by chain-walking defects of the type that add extra backbone carbons per monomer. These polyolefins display a large decrease in crystallinity relative to polyolefins known in the art. Specifically, the reduction in crystallinity is much greater than for earlier polypropylenes with a matched content of stereo or 1-alkene type defects. The claimed polyolefins can be an alkene-based homopolymer. The defects in the polyolefin backbone are generated by a chain walking mechanism in which three or more carbons per monomer are added to the polymer backbone instead of two, as in conventional polymerization or copolymerization methods of alpha olefins. The novel polyolefins can be used in applications such as plastic wrapping, thin films, co-extrusion layers or molded parts in the absence of polymer blending or copolymerization. The cost of materials production can be reduced. | 01-31-2013 |
20130046058 | FLUORINE RESIN MOLDED ARTICLE AND PRODUCTION OF SAME - [Object] To provide a fluororesin molded article having a lowered concentration, of eluted fluorine ions subsequent to molding, and to provide a method for producing a fluororesin molded, article, a fluororesin molded article, and a fluororesin composition whereby the concentration of eluted fluorine ions is lowered. | 02-21-2013 |
20130059975 | POLYMERIZABLE IONIC LIQUID COMPRISING AROMATIC CARBOXYLATE ANION - Presently described are polymerizable ionic liquids comprising a cation and an aromatic carboxylate anion; wherein the cation, anion, or both comprise a free-radically polymerizable group. Also described are curable compositions comprising such polymerizable ionic liquids and at least one other free-radically polymerizable monomer, oligomer, or polymer. | 03-07-2013 |
20130178588 | Composite polymerization initiator and polymer brush composite obtained therefrom - Composite polymerization initators are disclosed suitable to prepare polymer brush composites. | 07-11-2013 |
20130190451 | RESIN COMPOSITION FOR OPTICAL FILM, AND POLARIZER PROTECTIVE FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - Provided are a resin composition including an acryl-based copolymer resin including an alkyl(meth)acrylate-based monomer and an imide-based monomer, additionally copolymerizable with a styrene-based monomer, and a polycarbonate-based resin having a melt index (MI) of 30 g/10 min or more under conditions of a load of 1.2 kg and a temperature of 300° C., a polarizer protective film including the resin composition, and a liquid crystal display including the polarizer protective film. The polarizer protective film according to the present invention has excellent heat resistance, transparency, and optical properties. | 07-25-2013 |
20130281625 | Methods and Apparatus for Forming Blends of Polyolefin and Resin Modifier - A process for preparing a blend of thermoplastic polymer and resin modifier within a single-screw extruder, wherein the resin modifier is a hydrocarbon resin. | 10-24-2013 |
20140024777 | Ophthalmic And Otorhinolaryngological Device Materials Containing An Alkylphenol Ethoxylate - Disclosed are soft, high refractive index, acrylic device materials. The materials contain a functionalized alkylphenol ethoxylate to reduce glistenings. | 01-23-2014 |
20140039126 | Lanthanide Complex Catalyst And Polymerization Method Employing Same - A novel class of lanthanide metal salen complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers. | 02-06-2014 |
20140107293 | Method for producing water absorbent resin - The present invention is a method for producing a water absorbent resin which method is a method for producing surface cross-linked water absorbent resin particles, the method including the successive steps of: (a) adding a surface cross-linking agent and water to a particulate water absorbent resin in a mixer; and (b) reacting the resulting water absorbent resin mixture taken out from the mixer with the surface cross-linking agent in a reactor by heating or active energy ray irradiation, water vapor being used as part or all of the water added in the mixer. This makes it possible to provide a method for producing a water absorbent resin in which method a surface cross-linked water absorbent resin that has excellent properties can be obtained efficiently at low cost with high productivity. | 04-17-2014 |
20140121322 | SUPERABSORBENT POLYMER PROCESS - The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor. | 05-01-2014 |
20140163169 | HIGH-STRENGTH POLYPROPYLENE FIBER AND METHOD FOR PRODUCING THE SAME - A method for producing a polypropylene fiber, which can produce a high strength polypropylene fiber without using a special raw material and/or means is provided. | 06-12-2014 |
20140171591 | EASILY DISMANTLED ADHESIVE AGENT COMPOSITION AND EASILY DISMANTLED ADHESIVE TAPE - Suitable adhesive properties and dismantling properties can be obtained, and an interface between an adherent/an adhesive layer or an adhesive layer/a substrate can be suitably dismantlable by the easily dismantlable adhesive composition including an acrylate polymer including a (meth)acrylate monomer having a carboxyl precursor group, 2-ethyl hexyl acrylate, and a monomer having a polar group as a monomer, and an acid catalyst or an acid generator. | 06-19-2014 |
20140187716 | PROCESS FOR THE SYNTHESIS OF CONJUGATED POLYMERS - Processes for the continuous production of conjugated polymers are disclosed. The processes provide excellent control over reaction parameters and are highly reproducible. The conjugated polymers find use in heterojunction devices. | 07-03-2014 |
20140194574 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN, AND WATER-ABSORBENT RESIN OBTAINED BY SAME - A method for producing a water-absorbent resin including the step of subjecting a water-soluble ethylenically unsaturated monomer to a reversed phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a radical polymerization initiator and a dispersion stabilizer, wherein the method is characterized by the use of an ether-ester type nonionic surfactant as the dispersion stabilizer, and a water-absorbent resin obtained by the method, wherein the water-absorbent resin has a water-retention capacity of saline solution of 25 g/g or more, a water-absorption rate of saline solution of 50 seconds or less, and a flow index under moisture absorption of 70% or more. According to the method of the present invention, a water-absorbent resin having high water-retention capacity, excellent water-absorption rate, and further having excellent flowability under moisture absorption can be produced. The water-absorbent resin having the specified physical properties as described above can enhance properties of hygienic materials, and the resin can be suitably used in the production of the hygienic materials. | 07-10-2014 |
20140296436 | CYCLOOLEFIN POLYMER COMPOUND AND METHOD OF PREPARING THE SAME - This invention relates to a cycloolefin copolymer, which is prepared via ring-opening metathesis polymerization using, as monomers, dicyclopentadiene obtained by chemically bonding two cyclopentadiene molecules using a Diels-Alder reaction and tricyclopentadiene obtained by chemically bonding three cyclopentadiene molecules using a Diels-Alder reaction, in which the cyclopentadiene is a C5-fraction of naphtha cracking, and to a method of preparing the same. This copolymer is a non-crystalline transparent resin and is useful for a variety of end uses. | 10-02-2014 |
20150291711 | Organometallic Complex Catalyst And Polymerization Method Employing Same - A novel class of organometallic complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers that include both olefins and polyenes. | 10-15-2015 |
20150376318 | Method for Producing Water-Absorbing Polymer Particles with High Swelling Rate and High Centrifuge Retention Capacity with Simultaneously High Permeability of the Swollen Gel Bed - A process for producing water-absorbing polymer particles having high free swell rate and high centrifuge retention capacity with simultaneously high permeability of the swollen gel bed by polymerization of an aqueous monomer solution in a polymerization reactor having at least two shafts (kneaders) which rotate in an axially parallel manner, subsequent extrusion at high temperatures and thermal surface postcrosslinking. | 12-31-2015 |
20160102155 | LOW DENSITY ETHYLENE-BASED POLYMERS WITH BROAD MOLECULAR WEIGHT DISTRIBUTIONS AND LOW EXTRACTABLES - The invention provides an ethylene-based polymer comprising the following properties:
| 04-14-2016 |