| SOKEN CHEMICAL & ENGINEERING CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120133077 | Resin Mold for Imprinting and Method for Producing the Same - Provided is a resin mold for imprinting which is free from transfer defects, has excellent releasability from a resin subjected to imprinting, and does not cause any defect by imprinting. The resin mold for imprinting includes a resin layer having a recessed and projected pattern surface, an inorganic material layer formed with a uniform thickness on at least the recessed and projected pattern surface of the resin layer, and a release agent layer formed with a uniform thickness on at least the recessed and projected pattern surface of the inorganic material layer. | 05-31-2012 |
| 20120104308 | Composition for Solid Electrolyte and Solar Cell Using the Same - A composition for a solid electrolyte includes a polymer compound (A) and a charge transfer material. The polymer compound (A) is obtained by polymerizing a monomer (a) comprising a monomer (a-2) having chelating ability. The charge transfer material is preferably a carbon material and/or a π-conjugated polymer (β). When a polymer electrolyte layer of a dye-sensitized solar cell is formed from the above solid electrolyte, efficient charge transfer and sufficient charge life can be reconciled with each other. | 05-03-2012 |
| 20120097900 | Conductive Polymer Composition and Process for Preparing the Same - A conductive polymer composition which can be homogeneously dissolved in a solvent and can form a smooth film. The conductive polymer composition is a conductive polymer composition comprising a polymer compound (A) and a π-conjugated polymer (β), wherein the polymer compound (A) is a polymer compound obtained by polymerizing 10 to 50% by mol of a monomer (a-1) having a sulfonic acid group or a sulfonate group, 10 to 90% by mol of a monomer (a-2) having chelating ability and 0 to 70% by mol of other monomer (a-3), and the π-conjugated polymer (β) is a π-conjugated polymer obtained by polymerizing at least one monomer selected from monomers represented by the following formulas (I) to (III). | 04-26-2012 |
| 20120028041 | Radiation-Curable Adhesive Composition for Optical Component and Adhesive Optical Component - Provided is a radiation-curable adhesive composition for an optical component, the radiation-curable adhesive composition exhibiting a high tensile strength and flexibility suitable for enabling stable adhesion between the optical component and an adherend when light-cured and exhibiting excellent durability. A radiation-curable adhesive composition for an optical component includes 100 parts by weight of a specific (meth)acrylic copolymer (A), 2 to 20 parts by weight of a specific radiation-curable acrylic compound (B), 3 to 50 parts by weight of a specific radiation-curable acrylic compound (C), 0.1 to 10 parts by weight of a hydrogen abstraction-type photopolymerization initiator (D), 0.01 to 10 parts by weight of an isocyanate crosslinking agent (E), and 0.01 to 3 parts by weight of a silane compound (F), wherein the total amount of the amount of (B) mixed and the amount of (C) mixed is 5 to 60 parts by weight. | 02-02-2012 |
| 20110309308 | COMPOSITE CONDUCTIVE POLYMER COMPOSITION, METHOD OF MANUFACTURING THE SAME, SOLUTION CONTAINING THE COMPOSITION, USE OF THE COMPOSITION - The purpose is to provide a technique which enables various kinds of conductive polymer composition to be dissolved in an organic solvent and to be used to form a conductive membrane on a target portion easily. Provided is a composite conductive polymer composition, a method of manufacturing the same, and a solution obtained by dissolving the composition in an aromatic solvent, ester-based solvent or ketone-based solvent. The composition is obtained by doping a π-conjugated polymer (β) with a polymer compound (A), wherein the polymer compound (A) is obtained from (a-1) a monomer having a sulfonic acid group and a polymerizable vinyl group in an amount of 20 to 60 mol %, (a-2) a polar monomer having a hydrophilic group and a polymerizable vinyl group in an amount of 20 to 60 mol %, and (a-3) another polymerizable monomer in an amount of 20 to 60 mol %, and the n-conjugated polymer (β) is obtained from a monomer compound selected from the formulas (I) to (III) | 12-22-2011 |
| 20110300377 | Radiation-Curable Adhesive Composition for Optical Component and Adhesive Optical Component - A radiation-curable adhesive composition for an optical component includes 100 parts by weight of a specific (meth)acrylic copolymer (A), 0.01 to 10 parts by weight of a specific radiation-curable acrylic compound (B), 1 to 30 parts by weight of a specific radiation-curable acrylic compound (C), 0.1 to 10 parts by weight of a hydrogen abstraction-type photopolymerization initiator (D), 0.01 to 10 parts by weight of an isocyanate crosslinking agent (E), and 0.01 to 3 parts by weight of a silane compound (F), wherein the total amount of the amount of (B) mixed and the amount of (C) mixed is 3 to 40 parts by weight, and the amount of (C) mixed is larger than the amount of (B) mixed. | 12-08-2011 |
| 20110293953 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR POLARIZER AND POLARIZER FORMED USING SAME - An object is to provide a pressure-sensitive adhesive composition for a polarizer that is excellent in durability and simultaneously is excellent in prevention of leakage of light, without the use of a high-energy light ray. The pressure-sensitive adhesive composition for a polarizer contains components (A) to (C) and having a gel fraction of 91% or more. (A) 100 parts by weight of an acrylic polymer that is obtained by copolymerizing at least the following monomer components (a1) to (a3), and has a weight average molecular weight of 500,000 to 2,000,000 and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to a number average molecular weight (Mn) of 8 or less: (a1) 45 to 94.9% by mass of an alkyl (meth)acrylate ester monomer, (a2) 0.1 to 5% by mass of a carboxyl group-containing monomer, and (a3) 5 to 50% by mass of a benzene ring-containing monomer; (B) 4 to 12 parts by weight of a tolylene diisocyanate crosslinking agent; and (C) 0.05 to 1 part by weight of a silane coupling agent that has reactivity with a carboxyl group, wherein the benzene ring-containing monomer of the monomer component (a3) is 5 times or more in terms of mole of the tolylene diisocyanate crosslinking agent of the component (B). | 12-01-2011 |
| 20110284802 | COMPOSITE CONDUCTIVE POLYMER COMPOSITION, METHOD OF MANUFACTURING THE SAME, SOLUTION CONTAINING THE COMPOSITION, USE OF THE COMPOSITION - The purpose is to provide a technique which enables various kinds of conductive polymer composition to be dissolved in an organic solvent and to be used to form a conductive membrane on a target portion easily. Provided is a composite conductive polymer composition, a method of manufacturing the same, and a solution obtained by dissolving the composition in a alcohol-based, glycol-based, or ether-based solvent. The composition is obtained by doping a π-conjugated polymer (β) with a polymer compound (A), wherein the polymer compound (A) is obtained from (a-1) a monomer having a sulfonic acid group and a polymerizable vinyl group in an amount of 20 to 75 mol %, (a-2) a polar monomer having a hydrophilic group and a polymerizable vinyl group in an amount of 20 to 80 mol %, and (a-3) another polymerizable monomer in an amount of 0 to 20 mol %, and the π-conjugated polymer (β) is obtained from a monomer compound selected from the formulas (I) to (III) | 11-24-2011 |
| 20100282308 | Dye-Sensitized Solar Cell - A dye-sensitized solar cell includes a transparent substrate, a light-transmitting electrode, a metal oxide layer loaded with a dye, an electrolyte polymer layer, a counter electrode and a counter electrode substrate which are laminated in this order, and is characterized in that the electrolyte polymer layer is a solid-state layer containing a conductive polymer (A) doped with a doping agent and an ionic compound (B) mutually substitutable with a dopant ion species of the doping agent. Accordingly, light can be directly and stably converted into electricity for a long period of time, and a change of the conversion efficiency with time is small. | 11-11-2010 |
| 20100208343 | Adhesive for Polarizing Plate and Polarizing Plate Having Adhesive Layer - An adhesive composition for polarizing plates in which an acrylic polymer, a tin compound having a dialkyl group and serving as a cross-linking accelerator and an isocyanate cross-linker are dissolved in an organic solvent, the acrylic polymer being formed by copolymerization of monomers containing an alkyl (meth)acrylate, a hydroxyl group containing monomer and/or a carboxyl group containing monomer, wherein preferably, a solution containing 30% by weight of the acrylic polymer which constitutes the adhesive composition, dissolved in 70% by weight of ethyl acetate has a viscosity in the range of 0.5 to 10.0 Pa·s measured at 23° C., and the acrylic polymer has a weight-average molecular weight in the range of 300,000 to 700,000. | 08-19-2010 |
| 20100121014 | Adhesive Composition Comprising End-Reactive Acrylic Polymer and Uses Thereof - An adhesive composition includes 100 parts by weight of (a) a (meth)acrylic monomer and 10 to 400 parts by weight of (b) a (meth)acrylic polymer, wherein the weight-average molecular weight of the (meth)acrylic polymer (b) in terms of standard polystyrene, as measured by GPC, is in the range of 50,000 to 800,000, and the (meth)acrylic polymer (b) has 0.3 to 1 end group represented by the formula (1) based on one polymer chain. | 05-13-2010 |
| 20100112348 | Pressure 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 |
| 20090326155 | Pressure-Sensitive Adhesive Composition for PDP Front Filter and Use Thereof - A pressure-sensitive adhesive composition for PDP front filters includes 100 parts by weight of a high molecular weight acrylic polymer A having a COOH or OH group, a weight average molecular weight (Mw) of 400,000 to less than 800,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-A) of −40 to −10° C., and 5 to 20 parts by weight of a low molecular weight acrylic polymer B having a weight average molecular weight (Mw) of 10,000 to 50,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-B) of 40 to 120° C.; and is crosslinked to a gel fraction of 50 to 90% and has a 90° peel strength of 5 to 15 N/25 mm. The pressure-sensitive adhesive composition does not cause bonding failures such as lifting even when exposed to thermal cycles. | 12-31-2009 |
| 20090270557 | Adhesive Composition for Optical Film, Adhesive Sheet, and Optical Member Using Such Adhesive Composition - An adhesive composition for optical films, which inhibits contamination in the re-release process and peeling under severe conditions while favorably maintaining its durability and light leakage prevention properties. The adhesive composition includes: (A) an acrylic-based polymer which is obtained by copolymerizing at least the following monomer components: (a1) a (meth)acrylic acid alkyl ester and/or a (meth)acrylic acid alkoxyalkyl ester, (a2) an aromatic ring-containing monomer, (a3) a hydroxyl group-containing monomer, and optionally, (a4) a carboxyl group- or amino group-containing monomer, and which has a weight-average molecular weight of 800,000 to 1,600,000 and a value (Mw/Mn), as obtained by dividing the weight-average molecular weight of the copolymer by the number-average molecular weight thereof of 10 to 50, (B) an isocyanate-based crosslinking agent, (C) a silane coupling agent, and optionally, (D) a crosslinking accelerator. | 10-29-2009 |
| 20090110849 | Adhesive Composition for Polarizing Plate and Polarizing Plate with Adhesive Layer - An adhesive composition for a polarizing plate includes a specific (meth)acrylic polymer (A), an ionic liquid (B) and an isocyanate-based crosslinking agent (C) each in a specific amount. When an adhesive layer obtained from the adhesive composition for a polarizing plate is provided on a surface of a polarizing plate, the adhesive layer is appropriately plasticized and has improved compatibility with an adherend. Thus, the adhesive layer can eliminate the problems of separation or lifting due to the deflection caused by the weight of the polarizing plate, which is significant when a large polarizing plate is laminated to a liquid crystal cell. Furthermore, the adhesive layer can follow fine unevenness on a surface of glass that is a liquid crystal cell substrate, and thus can reliably prevent the separation or lifting of the polarizing plate from the liquid crystal cell even at a high temperature or under a hot and humid environment. The adhesive layer provides excellent adhesion to the liquid crystal cell. | 04-30-2009 |
| 20090036559 | POROUS MONODISPERSED PARTICLES AND METHOD FOR PRODUCTION THEREOF, AND USE THEREOF - To provide porous monodispersed particles obtained by preparing, as seed particles, poly(methyl methacrylate) particles or acrylic resin particles comprising 70% by mass or more of methyl methacrylate as a copolymerization component, swelling the seed particles 20 to 80 times the size of the original seed particles by mass using a swelling solution comprising an oil-soluble polymerization initiator and a monomer mixture containing 70% by mass or more of methyl methacrylate and 3 to 8% by mass of divinylbenzene, and polymerizing the monomers. The particles are porous particles with a diameter of the order of micrometers and a narrow particle-size distribution and are monodispersed. Colored monodispersed particles obtained by agglomerating a pigment in the porous monodispersed particles are monodispersed and spherical, and contain a large amount of pigment therein. | 02-05-2009 |
| 20090018277 | RESIN COMPOSITION EXCELLENT IN HEAT RESISTANCE AND ADHESIVENESS, AND METHOD FOR PRODUCING SAME - Disclosed is a resin composition composed of a heat-treated resin component (A) obtained by heating and mixing an aromatic imide resin or an aromatic imidazole resin with a carboxylic acid anhydride, and a silane compound (B) having at least one functional group selected from the group consisting of an epoxy group, an amino group, an amide group, a methoxy group, an isocyanate group, a carboxyl group, a mercapto group, a vinyl group, a (poly)sulfide group and a methacrylo group. This resin composition has excellent heat resistance of aromatic imide resins and aromatic imidazole resins while being remarkably improved in adhesion to various bases. | 01-15-2009 |
| 20080311394 | METHOD FOR PRODUCING A (METH)ACRYLIC THERMALLY CONDUCTIVE SHEET - A polymerizable composition containing at least (A) a (meth)acrylic monomer or a partially polymerized material thereof, which is adjusted so that the glass transition temperature of the whole polymer component after polymerization comes to be 20° C. or less, (B) a thermally conductive inorganic filler, (C) a photopolymerization initiator and (D) a thermal polymerization initiator is disclosed. Further, a production method for a (meth)acrylic thermally conductive sheet which is characterized by applying the photopolymerizable composition in a thickness of from 0.5 mm to 10 mm on a support, laminating a protective sheet on the surface of the thus-applied layer, and then subjecting the resultant laminate to light irradiation is disclosed. In the polymerizable composition according to the invention, the (meth)acrylic monomer can be polymerized by light irradiation for a short time even without providing heating, achieving a sufficiently high polymerization ratio. Further, in the production of the thermally conductive sheet by utilizing this polymerizable composition, a semi-transparent paper can be used as a support or a protective sheet so that there is an economical advantage. | 12-18-2008 |
| 20080277054 | POLYMERIZABLE COMPOSITION AND (METH) ACRYLIC THERMALLY CONDUCTIVE SHEET - A polymerizable composition which contains a component (A): a (meth)acrylic monomer, a component (B): a (meth)acrylic polymer having at least one functional group capable of undergoing a cross-linking reaction in its molecule, a component (C): a (meth) acrylic oligomer having at one terminal of its molecule a functional group capable of undergoing a cross-linking reaction, a component (D): a cross-linking agent having a functional group capable of undergoing a cross-linking reaction, a compound (E): a photopolymerization initiator and/or a thermal polymerization initiator, and a component (F): a thermally conductive filler, is disclosed. Further, a (meth)acrylic thermally conductive sheet having a pressure-sensitive adhesive layer prepared by polymerizing and cross-linking the polymerizable composition on a support is disclosed. The thermally conductive sheet prepared by using the polymerizable composition according to the invention is excellent in flexibility, adhesiveness and bleed resistance and can dissipate heat generated from a heat-generating body such as an electronic device with good efficiency. | 11-13-2008 |
