| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525330300 | Polymer derived from acrylic or methacrylic esters, or vinyl acetate monomer | 30 |
| 20110269912 | PROCESS FOR PRODUCTION OF NUCLEUS-HYDROGENATED AROMATIC VINYL/(METH)ACRYLATE COPOLYMERS - A safe and stable production method of a hydrogenated polymer having high transparency, which is a production method of a hydrogenated polymer by hydrogenating aromatic rings of an aromatic vinyl compound-(meth)acrylate copolymer, in which (1) a solvent solution of the copolymer is added to a reactor, which has a solvent and a supported palladium catalyst charged therein, under a hydrogen atmosphere at a rate of from 0.01 to 15 g/hour in terms of the copolymer per unit mass (g) of the supported palladium catalyst, thereby performing hydrogenation reaction, and then such an operation is performed repeatedly that (2) a hydrogenated polymer is obtained from 30 to 90% by mass of the resulting reaction mixed solution, and a fresh solvent solution of the copolymer is added to the reactor, in which the residual reaction mixed solution is left, or to which the residual reaction mixed solution is returned, at a rate of from 0.01 to 15 g/hour in terms of the copolymer per unit mass (g) of the supported palladium catalyst, thereby performing hydrogenation reaction. | 11-03-2011 |
| 20120108758 | MASTER MIXTURE COMPOSITION INCLUDING A PEROXIDE - The invention relates to a transparent master mixture that includes an ethylene copolymer and an ethylene monomer having a polar function (a) and a peroxide (b), characterized in that said composition includes, by weight, from 5 to 30% of (b); from 70 to 95% of (a); and in that the copolymer (a) includes from 20 to 45 wt % of ethylene monomer having a polar function. The invention also relates to a method for producing a master mixture composition including an Organic peroxide. The method makes it possible to produce a composition useful for cross-linking of polymers. | 05-03-2012 |
| 20120309905 | CONTINUOUS PROCESS FOR THE PRODUCTION OF A SUPERABSORBENT POLYMER - 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. | 12-06-2012 |
| 20130030128 | THERMOPLASTIC COMPOSITION FORMED FROM POLYLACTIC ACID AND ELASTOMERIC GRAFT COPOLYMER - The brittleness of a thermoplastic material containing a polylactic acid may be reduced by melting and mixing the thermoplastic material and a graft copolymer to link the graft copolymer to thermoplastic polymer to form a new thermoplastic material with reduced brittleness. The graft copolymer comprises an elastomeric backbone and a side chain grafted to the backbone. The side chain comprises a enantiomer of lactic acid opposite to the enantiomer in the thermoplastic material. A composition comprises a thermoplastic polymer and the graft copolymer, where the graft copolymer is linked to the thermoplastic polymer by the enantiomers. A method of forming the composition may comprise melting precursors for the thermoplastic polymer and the graft copolymer, and mixing the precursors to allow the lactic acids to link the graft copolymer to the thermoplastic polymer. | 01-31-2013 |
| 20130190458 | LOW STRESS FLOWABLE DENTAL COMPOSITIONS - A photopolymerizable and photocleavable (P&P) resin monomer is derived from a reactive photoresponsible moiety via various linkages to form photopolymerizable monomers and/or oligomers. | 07-25-2013 |
| 20130253143 | COMPOSITION CONTAINING BRANCHED POLYMER FOR DAMPING MATERIAL - An object of the present invention is to provide a damping material which exhibits a very high vibration-damping (energy-attenuating) performance against vibrations in a low frequency range (several hertz) or a higher frequency range in a specific temperature range near room temperature (20 to 20° C.), which can be controlled in vibration-damping performance at will to target performances not only in a low-temperature and high-frequency range but also in a very low specific frequency range and a specific temperature range, and which can be designed with a high flexibility. The object is attained by a composition for damping material including a branched polymer (A), and a resin (B), wherein the content by percentage of the branched polymer (A) is from 15 to 85% both inclusive by weight for 100% by weight of the total of the branched polymer (A) and resin (B). | 09-26-2013 |
| 20130296498 | METHOD FOR PRODUCING EXFOLIATED GRAPHITE-POLYMER COMPOSITE MATERIAL - Provided is a production method which can attain exfoliating treatment of graphite and a process of grafting a polymer onto exfoliated graphite simultaneously and thus makes it possible to easily obtain an exfoliated graphite-polymer composite material in a short time. A method for producing an exfoliated graphite-polymer composite material includes a step of mixing graphite or primary exfoliated graphite, a depolymerizable monomer of which the polymer is decomposed by heating to generate radicals and also to form a monomer or an oligomer, or the polymer A of the monomer, or a polymer B which forms radicals at a temperature close to its decomposition temperature to obtain a mixture; and a heating step of putting the mixture in a non-open container to heat the mixture to a first temperature range from the ceiling temperature or higher to the onset decomposition temperature or lower, or to a temperature higher than the first temperature range. | 11-07-2013 |
| 20130324671 | SOLAR CELL SEALING FILM AND SOLAR CELL USING THE SEALING FILM - The object of the present invention to provide a solar cell sealing film, which has superior durability that maintains adhesive performance for a long duration under the circumstances of a high temperature and high humidity, exerts high crosslink rate at production of the solar cells, and suppresses occurrence of blister, an a solar cell using the sealing film. | 12-05-2013 |
| 20150038650 | CROSSLINKED NANOSTRUCTURED CAST SHEETS - Transparent and impact-resistant crosslinked acrylic composition consisting of a brittle matrix (I) having a glass transition temperature of greater than 0° C. and of elastomeric domains having a characteristic dimension of less than 100 nm consisting of macromolecular sequences (II) having a flexible nature with a glass transition temperature of less than 0° C. | 02-05-2015 |
| 20160002378 | (METH) ACRYLIC BLOCK COPOLYMER AND PROCESS FOR PRODUCING THE SAME - [Object] Materials may be used as adhesives and the like which may be cured with active energy rays, and cured products may be easily removed and separated from substrates by a method such as a hygrothermal degradation method as required such as when the products are to be disposed of. | 01-07-2016 |
| 525330400 | Sulfur or phosphorus containing chemical treating agent | 4 |
| 20090118433 | PROCESS FOR PRODUCING A POLYFLUOROALKYL (METH)ACRYLATE - A process for producing a polyfluoroalkyl (meth)acrylate, which comprises isolating, from a reaction mixture containing a polyfluoroalkyl (meth)acrylate obtained by reacting a polyfluoroalkyl iodide of the formula C | 05-07-2009 |
| 20090312498 | PROCESS FOR PREPARING HYDROXY-TELECHELIC ATRP PRODUCTS - The present invention relates to the in situ hydroxyl end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions. | 12-17-2009 |
| 20090326163 | PROCESS FOR PREPARING ACID-TERMINATED ATRP PRODUCTS - The present invention relates to the in situ acid end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions. | 12-31-2009 |
| 20120302703 | Method for Producing Metal-containing Nanoparticles Enveloped with Polymers and Particles that can be Obtained Therefrom - The present invention provides a method to produce metal-containing nanoparticles enveloped with polymers, as well as particles obtainable therefrom. | 11-29-2012 |
| 525330500 | Nitrogen containing chemical treating agent | 11 |
| 20090118434 | PRESSURE SENSITIVE ADHESIVE COMPOSITION FOR POLARIZATION FILM - There is disclosed pressure sensitive adhesive composition for polarization films use in the case of pasting the polarization films by means of crossed Nicols at ∠0 and 90 degrees to the front and rear sides of a liquid crystal cell which composition comprises an acrylic copolymer (A) of a(meth) acrylic ester and a monomer having a cross-linkable functional group in the molecule each as a monomer component and a cross-linking agent (B), wherein the storage elasticity of the composition after cross-linking at 0 to 50° C. is in the range of 10 | 05-07-2009 |
| 20100137524 | Thermally Crosslinking Polyacrylates And Process For Their Preparation - The invention relates to a process for preparing homogeneously crosslinked polymers, in which at least one crosslinker is added to a polymer in the melt, in which the polymer is further processed from the melt, and in which a thermal crosslinking reaction is brought about by means of the crosslinker, with at least part of the crosslinking reaction taking place after the further processing at a temperature below the melting temperature of the polymer, characterized in that the crosslinker comprises an at least difunctional compound, at least one of the functional groups being an oxazoline group, and the polymer contains functional groups which, at a temperature below the melting temperature of the polymer, are able to react with the oxazolines in a linking reaction in the sense of the thermal crosslinking reaction. | 06-03-2010 |
| 20110301301 | IMIDIZED POLYMERS CONTAINING LUMINESCENT GROUPS AND METHOD FOR OBTAINING THEM - The present invention relates to photoactive polymers and copolymers of acrylic monomers comprising cycloimide units functionalised with at least one luminescent chromophore group, preferably photoluminescent. The present invention also relates to spectrum converters comprising the above photoactive polymers and copolymers and solar devices comprising said converters. | 12-08-2011 |
| 20130041111 | CROSS-LINKING AGENT FOR CROSS-LINKABLE ELASTOMER AND APPLICATION THEREOF - The object of the present invention is to provide a cross-linking agent for a cross-linkable elastomer which is rapid in the cross-linking rate in comparison with triallyl isocyanurate (TAIC). | 02-14-2013 |
| 20130053520 | CROSS-LINKING AGENT FOR CROSS-LINKABLE ELASTOMERS AND APPLICATION THEREOF - The object of the present invention to provide a cross-linking agent for a cross-linkable elastomer which is excellent in the heat resistance and rapid in the cross-linking rate in comparison with triallyl isocyanurate (TAIC). | 02-28-2013 |
| 20130190459 | CROSSLINKER-ACCELERATOR SYSTEM FOR POLYACRYLATES - Crosslinker-accelerator system for the thermal crosslinking of polyacrylates having functional groups capable of entering into linking reactions with epoxide groups, comprising at least one substance having at least one epoxide group as crosslinker and at least one substance of the formula | 07-25-2013 |
| 20130190460 | Crosslinker-Accelerator System for Polyacrylates - In the context of a polyacrylate-based composition, the intention is to allow controlled thermal crosslinking. This is accomplished by provision of a crosslinker-accelerator system for the thermal crosslinking of polyacrylates having functional groups suitable for entering into linking reactions with epoxide groups, comprising | 07-25-2013 |
| 20140206823 | METHOD FOR REDUCING THE HALOGEN CONTENT OF A POLYMER - The invention relates to a method for reducing the halogen content of a polymer, characterized in that the polymer is reacted with a polymerization inhibitor; and especially to a method wherein said polymer is a polymerization product of an ATRP process. | 07-24-2014 |
| 20150299344 | MACROMONOMERS FOR PREPARATION OF DEGRADABLE POLYMERS AND MODEL NETWORKS - The present invention relates to methods for preparing degradable model networks from any monomer functionality with any degradation methodology. It is based on the use of Atom-Transfer Radical Polymerization and CLICK chemistry to form the desired product. | 10-22-2015 |
| 20150353784 | CROSSLINKING AID AND PRACTICAL APPLICATION THEREOF - The present invention provides a crosslinking aid comprising triallyl isocyanurate (TAIC), which serves for obtaining an adhesive resin exhibiting excellent insulation properties while maintaining good transparency, adhesive properties, heat resistance and flexibility of conventional crosslinked ethylene-vinyl acetate copolymers. The crosslinking aid of the present invention comprises a urethane poly(meth)acrylate in combination with triallyl isocyanurate. | 12-10-2015 |
| 20160108192 | POLYMER NANOFIBER SHEET AND METHOD FOR PRODUCING THE SAME - A polymer nanofiber sheet including polymer nanofibers having a polymer, the polymer nanofibers being accumulated and three dimensionally entangled. The polymer nanofiber sheet has a low molecular weight organic compound containing at least one 4- or higher-membered ring structure with an ether linkage. The difference between the average solubility parameter of the polymer and the average solubility parameter of the low molecular weight organic compound is less than 8 (J/cm | 04-21-2016 |
| 525330600 | Alcoholized; transesterified; hydrolyzed; or metal containing chemical treating agent; e.g., saponified, etc. | 5 |
| 20120232222 | METHOD FOR PRODUCING 1-ALKOXY-2-METHYL-1-OXOPROPAN-2-YL (METH)ACRYLATE - The invention provides a process for preparing 1-alkoxy-2-methyl-1-oxopropan-2-yl(meth)acrylate, e.g. 1-methoxy-2-methyl-1-oxopropan-2-yl(meth)acrylate, by transesterifying alkyl α-hydroxyisobutyrates. Copolymerization of such monomers in the preparation of poly(meth)acrylate-based moulding materials improves the heat distortion resistance thereof. | 09-13-2012 |
| 20130005915 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides a pressure-sensitive adhesive composition excellent in the anti-foaming release property and high-temperature stress relaxation property, and a pressure-sensitive adhesive layer composed of the pressure-sensitive adhesive composition. The invention relates to a pressure-sensitive adhesive composition including an acrylic polymer which is formed from a monomer component including methyl methacrylate and has a glass transition temperature (Tg) of −40° C. or more, wherein the pressure-sensitive adhesive composition has a shear storage elastic modulus at 85° C. as measured by a dynamic viscoelasticity measurement of from 1×10 | 01-03-2013 |
| 20140100338 | Method for the Enzyme-Catalysed Hydrolysis of Polyacrylic Acid Esters, and Esterases Used Therefor - The invention relates to a method for the enzyme-catalysed hydrolysis of polyacrylic acid esters. According to said method, at least one polyacrylic acid ester is provided and incubated with at least one enzyme selected from enzymes (EC 3.1) acting on ester bindings, until the ester groups contained in the polyacrylic acid ester are partially or fully hydrolytically split, and optionally the modified polymer obtained thereby is isolated. The invention also relates to the enzymes used and mutants thereof, nucleic acids coding for the enzymes, vectors comprising the nucleic acids, micro-organisms comprising the vectors, and the use of the enzymes, the vectors or the micro-organisms for carrying out a method for the enzyme-catalysed hydrolysis of polyacrylic acid esters. The present application also relates to polymer reaction products that can be obtained by the method, and methods for producing esterases. | 04-10-2014 |
| 20160083490 | VINYL ALCOHOL COPOLYMER AND METHOD FOR PRODUCING SAME - Provided is a vinyl alcohol-based copolymer, obtained by saponifying a copolymer of vinyl acetate and a polyfunctional monomer, wherein the polyfunctional monomer contains two or more ethylenic double bonds in its molecule, the vinyl alcohol-based copolymer has a side chain containing an ethylenic double bond and a molar ratio (d) of the ethylenic double bond to a total of vinyl alcohol units and vinyl acetate units is from 0.05/100 to 2/100, and the vinyl alcohol-based copolymer is water soluble. | 03-24-2016 |
| 20160096932 | ROOM TEMPERATURE POLYMER CROSSLINKING USING 1-FUNCTIONALIZED BENZOCYCLOBUTENE - Specific benzocyclobutenes serve as intramolecular or intermolecular or both intramolecular or intermolecular crosslinkers. The benzocyclobutenes can be incorporated into polymers post polymerization or can be provided as monomers that participate in homopolymerization or copolymerization with other monomer to create the polymers having benzocyclobutenes that are exploited to carry out the crosslinking. At least some of the benzocyclobutenes taught herein can be used to carry out crosslinking a ambient temperatures. | 04-07-2016 |
