| ASAHI KASEI CHEMICALS CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20120125850 | DEFORMED POROUS HOLLOW FIBER MEMBRANE, PRODUCTION METHOD OF DEFORMED POROUS HOLLOW FIBER MEMBRANE, AND MODULE, FILTRATION DEVICE, AND WATER TREATMENT METHOD IN WHICH DEFORMED POROUS HOLLOW FIBER MEMBRANE IS USED - A porous hollow fiber membrane that is suitable for treatment of liquid containing an inorganic substance and/or an organic substance, is obtained at a low cost performance, and has high water permeability performance, fretting resistance, and drying resistance. A deformed porous hollow fiber membrane according to the present invention is composed of a thermoplastic resin and includes a continuous asperity provided on the periphery in the longitudinal direction of the membrane, in which the periphery of the hollow fiber membrane in the circumferential direction includes continuous projected and depressed parts. | 05-24-2012 |
| 20120125846 | FILTERING METHOD, AND MEMBRANE-FILTERING APPARATUS - A filtration method for filtering raw water to obtain permeate by performing a filtration operation using pressure as a driving force for membrane modules, wherein the filtration operation is performed in three modes: raw water side pressure filtration, permeate side negative pressure filtration, and composite filtration combining the raw water side pressure filtration and the permeate side negative pressure filtration, any one of raw water side water quality, membrane filtration flux and transmembrane pressure is measured, and any one of the three filtration modes is switched to another in response to a measured value thereof. | 05-24-2012 |
| 20120125806 | PRESS-THROUGH PACK PACKAGE - The press-through pack package of the invention has a covering material composed of a stretched film with at least one layer comprising a thermoplastic resin and an inorganic filler at 5 parts by weight with respect to 100 parts by weight of the thermoplastic resin. | 05-24-2012 |
| 20120123002 | METHOD FOR PURIFICATION OF ANTIBODY USING POROUS MEMBRANE HAVING AMINO GROUP AND ALKYL GROUP BOTH BOUND TO GRAFT CHAIN IMMOBILIZED ON POROUS SUBSTRATE - A method is disclosed for purifying an antibody monomer, comprising providing a porous membrane comprising a hydrophobic porous substrate, a hydrophilic molecular chain of a different material from that of the porous substrate, immobilized on the surface of pores of the porous substrate, and a side chain of the molecular chain, containing a nitrogen atom to which one to three alkyl groups each having two or three carbon atoms are bonded; passing an antibody solution containing antibody aggregates of dimers or higher-order multimers through the porous membrane to adsorb the antibody aggregates to the porous membrane; and recovering the purified antibody monomer in the passed solution. | 05-17-2012 |
| 20120109091 | Absorbent composite material and method for manufacturing the same - An absorbent composite comprising: a base material and water-absorbent resin particles; wherein the following conditions (1) to (4) are fulfilled: (1) the weight ratio of water-absorbent resin relative to the total weight of the base material and water-absorbent resin is 65 to 99 wt %, (2) the water-absorbent resin particles adhering directly to the base material constitute 50 wt % or more of the total water-absorbent resin particles; (3) the average absorption capacity of the water-absorbent resin particles is 50 g/g or more; and (4) the amount of residual monomers in the water-absorbent resin is 200 ppm or less. | 05-03-2012 |
| 20120108421 | Absorbent composite material and method for manufacturing the same - An absorbent composite comprising: a base material and water-absorbent resin particles; wherein the following conditions (1) to (4) are fulfilled: (1) the weight ratio of water-absorbent resin relative to the total weight of the base material and water-absorbent resin is 65 to 99 wt %, (2) the water-absorbent resin particles adhering directly to the base material constitute 50 wt % or more of the total water-absorbent resin particles; (3) the average absorption capacity of the water-absorbent resin particles is 50 g/g or more; and (4) the amount of residual monomers in the water-absorbent resin is 200 ppm or less. | 05-03-2012 |
| 20120071599 | AUTOMOTIVE LAMP PERIPHERAL PARTS - [Problem to be Solved] | 03-22-2012 |
| 20120045636 | Porous cellulose aggregate and molding composition thereof - A porous cellulose aggregate characterized by having a secondary aggregate structure resulting from aggregation of primary cellulose particles, having a pore volume within a particle of 0.265 to 2.625 cm | 02-23-2012 |
| 20120024325 | SYSTEM FOR RECOVERY OF ELECTRODEPOSITION PAINT - An object of the present invention is to provide a system for recovery of electrodeposition paint wherein the loss of the electrodeposition paint is not increased, even if the number of stages of a multistage recovery and washing process with a membrane filtration filtrate is reduced in electrodeposition painting. The system for recovery of electrodeposition paint of the present invention, in which a membrane filtration filtrate of electrodeposition bath liquid is supplied to a final stage washing tank of the multistage recovery and washing process with a membrane filtration filtrate, is characterized in that a filtrate obtained by membrane filtration of the final stage washing tank liquid is supplied to the final stage washing tank and concentrated liquid is supplied to the electrodeposition bath and/or a washing tank at other than the final stage. | 02-02-2012 |
| 20120010351 | POLYPROPYLENE-BASED RESIN COMPOSITION, MOLDED ARTICLE THEREOF, AND AUTOMOBILE INTERIOR OR EXTERIOR MATERIAL USING THE SAME - There are provided a polypropylene-based resin composition having excellent impact resistance, tensile elongation at break and rigidity, a molded article thereof, and an automobile interior or exterior material using the same. The polypropylene-based resin composition contains 50 to 90% by mass of a polypropylene-based polymer (A), 5 to 50% by mass of an ethylene-α-olefin copolymer rubber (B), and 0.1 to 5% by mass of a copolymer (C) primarily comprising a vinyl aromatic monomer unit and an alkylene monomer unit, wherein a content of an α-olefin monomer unit in all alkylene monomers is 45 mol % or more. | 01-12-2012 |
| 20110301304 | Method and apparatus for producing polycondensation polymer and molded article thereof - A method for producing a polycondensation polymer, which comprises: introducing a prepolymer of a polycondensation polymer into a polymerization reactor through a feed opening in a molten state; discharging the introduced prepolymer through holes of a perforated plate; and then polycondensing the prepolymer under reduced pressure, while allowing the prepolymer to fall along a support, wherein the perforated plate has two or more areas and polycondensation is performed by introducing a prepolymer and/or a polymer modifier into each of the areas and discharging the introduced prepolymer and/or polymer modifier through holes of each of the areas. | 12-08-2011 |
| 20110275731 | CROSSLINKABLE AND FOAMABLE COMPOSITION, CROSSLINKED FOAM, AND SHOE MIDSOLE COMPRISING THE SAME - The present invention provides a crosslinked foam having an excellent balance of various physical properties in terms of lightness, flexibility, permanent compression set, tear strength, impact resilience, and molding stability; a shoe midsole; and a crosslinkable and foamable composition that provides the crosslinked foam and shoe midsole. A crosslinkable and foamable composition comprising (A) an ethylene-based copolymer; (B) a copolymer comprising a vinyl aromatic monomer unit and an unsaturated bond-containing a conjugated diene monomer unit; (C) an organic peroxide; and (D) a foaming agent; a mass ratio of the component (A) to the component (B), (NB), being from 97/3 to 50/50; and the component (B) comprising 5 mass % or more and 80 mass % or less of the vinyl aromatic monomer unit, and 5 mass % or more and 55 mass % or less of the conjugated diene monomer unit. | 11-10-2011 |
| 20110210067 | USE OF POROUS HOLLOW-FIBER MEMBRANE FOR PRODUCING CLARIFIED BIOMEDICAL CULTURE MEDIUM - Use of a porous hollow fiber membrane for producing a clarified biomedical culture medium by a method including a filtration step of distributing a biomedical culture medium over the porous hollow fiber membrane, a tube wall of the hollow fiber membrane being constituted of a blend of a hydrophobic polymer and polyvinylpyrrolidone. A content of the polyvinylpyrrolidone is not lower than 0.2% by mass and not higher than 3% by mass relative to a total mass of the porous hollow fiber membrane, and, when the tube wall is divided in a membrane-thickness direction equally into three regions, a content of the polyvinylpyrrolidone in an outer circumferential region including an outer face is higher than a content of the polyvinylpyrrolidone in an inner circumferential region including an inner face, and an average pore size in the inner face is larger than an average pore size in the outer face. | 09-01-2011 |
| 20110172344 | MODIFIED CONJUGATED DIENE-BASED POLYMER, METHOD FOR PRODUCING THE SAME, MODIFIED CONJUGATED DIENE-BASED POLYMER COMPOSITION, AND TIRE - There is provided a modified conjugated diene-based polymer having a silyl group substituted with one or more alkoxy groups, and one or more nitrogen atoms on the chain ends of a conjugated diene-based polymer, the modified conjugated diene-based polymer being obtained by polymerizing a conjugated diene compound, or copolymerizing a conjugated diene compound with an aromatic vinyl compound, by using a polyfunctional anionic polymerization initiator prepared from a polyvinyl aromatic compound and an organolithium compound in a range of a molar ratio (the polyvinyl aromatic compound/the organolithium compound) of from 0.05 to 1.0, so as to obtain the conjugated diene-based polymer, and by reacting a living polymer end of the conjugated diene polymer with the compound having a silyl group substituted with two or more alkoxy groups, and one or more nitrogen atoms. | 07-14-2011 |
| 20110166269 | POLYPHENYLENE ETHER RESIN COMPOSITION HAVING NARROW MOLECULAR WEIGHT DISTRIBUTION - A polyphenylene ether resin composition obtainable by melt-mixing
| 07-07-2011 |
| 20110165308 | POROUS MEMBRANE, PROCESS FOR PRODUCING POROUS MEMBRANE, PROCESS FOR PRODUCING CLARIFIED LIQUID, AND POROUS-MEMBRANE MODULE - A porous membrane with the membrane wall constructed of a hydrophobic polymer and a hydrophilic polymer, wherein when the membrane wall is divided into 3 sections in the film thickness direction to form region “a” containing one wall surface A of the membrane wall, region “c” containing the other wall surface C and region “b” between region “a” and region “c”, the hydrophilic polymer content ratio C | 07-07-2011 |
| 20110146491 | SEPARATION MEMBRANE MODULE AND FUEL VAPOR PROCESSING APPARATUS EQUIPPED WITH THE SAME - A separation membrane module for separating a specific component from a mixture containing a plurality of components includes a plurality of separation stages each including a plurality of hollow fiber membranes arranged in parallel to each other. The separation stages are connected in series via connection portions allowing passage of the mixture. At lease one parameter relating to separation by the hollow fiber membrane or membranes in each separation stage is determined to provide effective separation throughout the separation stages. | 06-23-2011 |
| 20110132830 | HOLLOW YARN FILM FILTERING APPARATUS - A filtration equipment of hollow fiber membrane of external pressure type in which pressure is applied to raw liquid from outside of hollow fiber membranes housed in a casing to cause filtrate to pass inside the hollow fiber membranes is provided. The filtration equipment may include a pair of hollow fiber filtration membrane modules in which raw liquid supply channels are connected to a shared raw liquid supply header pipe via on-off valves, filtrate discharge channels which are connected to a shared filtrate discharge header pipe having an on-off valve, and return raw liquid channels which are connected to a shared return raw liquid header pipe via on-off valves, wherein on-off operations of the on-off valves allow mutual backwash between the pair of hollow fiber filtration membrane modules. | 06-09-2011 |
| 20110097642 | Polymer electrolyte membrane having high durability and method for producing the same - A polymer electrolyte membrane comprising: (a) a fluorinated polymer electrolyte having an ion exchange group, and (b) a basic polymer, wherein, optionally, at least a part of component (a) and at least a part of component (b) are chemically bonded to each other. A method for producing the above-mentioned polymer electrolyte membrane. A membrane/electrode assembly comprising the above-mentioned polymer electrolyte membrane which is securely sandwiched between an anode and a cathode. A polymer electrolyte fuel cell comprising the membrane/electrode assembly. | 04-28-2011 |
| 20110092731 | ISOCYANATE PRODUCTION PROCESS - An object of the present invention is to provide a process that enables isocyanate to be produced stably over a long period of time and at high yield without encountering problems of the prior art during production of isocyanate without using phosgene. The present invention discloses a process for producing an isocyanate by subjecting a carbamic acid ester to a thermal decomposition reaction, including the steps of: recovering a low boiling point component in a form of a gaseous phase component from a thermal decomposition reaction vessel in which the thermal decomposition reaction is carried out; recovering a liquid phase component containing a carbamic acid ester from a bottom of the thermal decomposition reaction vessel; and supplying all or a portion of the liquid phase component to an upper portion of the thermal decomposition reaction vessel. | 04-21-2011 |
| 20110089027 | CATHODE FOR HYDROGEN GENERATION AND METHOD FOR PRODUCING THE SAME - The present invention provides an excellent durable cathode for hydrogen generation, which has a low hydrogen overvoltage and reduced dropping-off of a catalyst layer against the reverse current generated when an electrolyzer is stopped, and a method for producing the same. The present invention provides a cathode for hydrogen generation having a conductive base material and a catalyst layer formed on the conductive base material, wherein the catalyst layer includes crystalline iridium oxide, platinum and iridium-platinum alloy. | 04-21-2011 |
| 20110081495 | COMPOSITION CONTAINING CRYSTALLINE CELLULOSE COMPOSITE - Disclosed is a composition containing 100 parts by mass of a pigment, 0.01-50 parts by mass of a cellulose composite and water. The composition has a solid content of more than 25% by mass, and a viscosity of not less than 30 mPa·S. The cellulose composite contains 0.5-50% by mass of a hydrophilic polymer having an acid value of not less than 2.0 and a weight average molecular weight of from 1×10 | 04-07-2011 |
| 20110079548 | HOLLOW YARN FILM FILTERING APPARATUS - Provided is a hollow yarn film filtering apparatus ( | 04-07-2011 |
| 20110065961 | PROCESS FOR PRODUCTION OF PHOSPHINE DERIVATIVE FROM PHOSPHINE OXIDE DERIVATIVE - Disclosed is a process for producing a phosphine derivative from a phosphine oxide derivative, which comprises the following steps: (I) mixing a phosphine oxide derivative represented by formula (1) with a chlorinating agent in a polar organic solvent to cause the reaction between these components; and (II-1) adding a salt of a metal having an ionization tendency equal to or lower than that of aluminum to the reaction mixture and carrying out the reductive reaction in the presence of aluminum or (II-2) subjecting the reaction mixture to electrolytic reduction, thereby producing a phosphine derivative represented by formula (2). Ar | 03-17-2011 |
| 20110064805 | Porous cellulose aggregate and molding composition thereof - A porous cellulose aggregate characterized by having a secondary aggregate structure resulting from aggregation of primary cellulose particles, having a pore volume within a particle of 0.265 to 2.625 cm | 03-17-2011 |
| 20110062630 | CELLULOSE POWDER HAVING EXCELLENT SEGREGATION PREVENTIVE EFFECT, AND COMPOSITIONS THEREOF - With regard to compositions derived from active ingredients and other additives in medical, food and industrial fields, there have been problems that the active ingredients cannot be uniformly mixed, and that the active ingredients become segregated and lose uniformity as the active ingredients undergo transport, input, and filling processes. There is provided a cellulose powder which improves the uniformity of compositions containing active ingredients or other additives to prevent segregation of the active ingredients, wherein the cellulose powder contains cellulose I type crystals, has an average particle diameter of less than 30 μm, a powder density of 0.1 to 0.45 g/cm | 03-17-2011 |
| 20110062074 | HOLLOW FIBER MEMBRANE MODULE WITH COVERED MEMBRANE OUTER PERIPHERY - The present invention provides a hollow fiber membrane module having fixing layers to which one or more hollow fiber membrane bundles each including a plurality of hollow fiber membranes are fixed at respective ends thereof using a casting resin, a hollow portion of each of the hollow fiber membranes being open at one or both of the ends, wherein the hollow fiber membrane bundle is divided into a plurality of small bundles at least one of the fixing layers on the open side of the hollow portion, and an outer circumference of each of the small bundles is covered with an elastic body near a filtration portion interface of the fixing layer. | 03-17-2011 |
| 20110034661 | NOVEL METHOD FOR PRODUCING POLYPHENYLENE ETHER - Disclosed is a method for producing a polyphenylene ether, which comprises a step of preparing a polymerization solution composed of 10-25 parts by mass of a phenolic compound (M) and 75-90 parts by mass of an aromatic solvent (A) with the total of the compound and the solvent being 100 parts by mass, and 0.1-10 parts by mass of a catalyst (C) containing a metal salt; a step of performing an oxidative polymerization of the phenolic compound (M) by passing an oxygen-containing gas through the polymerization solution; a step of stopping the polymerization by mixing an aqueous chelating agent solution into the polymerization solution; a step of subjecting a diphenoquinone compound produced as a by-product to a quinone binding process or removal by reduction; and a step of obtaining a polyphenylene ether by separating the aqueous phase through liquid-liquid separation. In the method for producing a polyphenylene ether, 0.001-0.004 part by weight of an ion catalyst (D) is added into the polymerization solution before the liquid-liquid separation. | 02-10-2011 |
| 20110034614 | ADHESIVE COMPOSITION - An adhesive composition having good balance in tackiness properties such as tack strength and retentivity, low melt viscosity, high processability, and high stability in melt viscosity under high temperature heating is provided. An adhesive composition containing two hydrogenated block copolymers and a predetermined tackifier is provided, the two hydrogenated block copolymers each having a different structure obtained by controlling the degree of hydrogenation of a block copolymer of a conjugated diene compound and a vinyl aromatic hydrocarbon in a particular range. | 02-10-2011 |
| 20110028614 | POLYAMIDE, POLYAMIDE COMPOSITION, AND METHOD FOR PRODUCING POLYAMIDE - The present invention relates to a polyamide obtainable by polymerizing an (a) dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and a (b) diamine comprising at least 50 mol % of a diamine having a substituent branched from a main chain. | 02-03-2011 |
| 20110023945 | LAMINATE FOR A SOLAR BATTERY BACK-SHEET AND BACK-SHEET COMPRISNG SAME - Provided is a laminate for a solar battery back-sheet, which is capable of exhibiting and maintaining an excellent water-vapor barrier property even under a severe natural environment for a long time, i.e., excellent in weather resistance and humidity resistance, and which is produced by laminating a vinylidene chloride-based resin layer and a silicone-modified acrylic-based resin layer. | 02-03-2011 |
| 20110021643 | PROCESSED STARCH POWDER WITH EXCELLENT DISINTEGRATION PROPERTIES AND MANUFACTURING METHOD THEREOF - Disclosed are a processed starch powder in which the amount of water soluble component is greater than 2 wt % but less than 10 wt %, the water retention amount is greater than 600% and 1500% or less, and which comprises nonbirefringent particles, and a manufacturing method thereof. | 01-27-2011 |
| 20110015333 | ELASTOMER COMPOSITION AND STORAGE COVER OF AIRBAG DEVICES - The present invention provides an elastomer composition comprising a mixture (a) of a hydrogenated block copolymer (a-1) and a hydrogenated block copolymer (a-2); a polypropylene resin (b); and a hydrocarbon oil (c). The hydrogenated block copolymer (a-1) has a specific structure, a specified number average molecular weight and a specified block content. The hydrogenated block copolymer (a-2) has a specific structure, a specified number average molecular weight, a specified block content, a specified vinyl bond content before hydrogenation and a specified MFR. The polypropylene resin (b) has a specified MFR. The present invention also provides a storage cover of airbag devices which is made of the elastomer composition. | 01-20-2011 |
| 20110015321 | POLYACETAL RESIN COMPOSITION AND PREPARATION PROCESS THEREOF - Provided is a polyacetal resin composition obtained from a raw material composition containing a polyacetal resin, a hydrazine derivative, and a compound for lowering the melting point of the hydrazine derivative, wherein a mixture of the hydrazine derivative and the compound satisfies both of the following conditions: T1| 01-20-2011 | |
| 20110003928 | THERMOPLASTIC ELASTOMER COMPOSITION AND METHOD FOR PRODUCING THE SAME - The present invention provides a thermoplastic elastomer composition obtained by dynamically crosslinking, under a melting condition, 100 parts by mass of a block copolymer (I), 1 to 1,000 parts by mass of a polar resin (II), 1 to 500 parts by mass of a modified polymer (III), and 0.01 to 50 parts by mass of a crosslinking agent (IV), wherein the block copolymer (I) comprises at least one polymer block (A) comprising as a main component an alkylene unit, and/or at least one copolymer block (B) comprising as main components an alkylene unit (b- | 01-06-2011 |
| 20100330456 | Solid polymer electrolyte membrane and production method of the same - An object is to provide a solid polymer electrolyte membrane for solid polymer electrolyte fuel cell, which has high durability, as well as a membrane electrode assembly and a solid polymer electrolyte fuel cell, each containing the same. The solid polymer electrolyte membrane is produced using polymer electrolyte-containing solution preparation step of dissolving a perfluorocarbonsulfonic acid resin (component A) having an ion-exchange capacity of 0.5 to 3.0 meq/g, a polyazole-based compound (component B) and an alkali metal hydroxide in a protic solvent to prepare a polymer electrolyte-containing solution in which a weight ratio of the component A to component B, (A/B), is from 2.3 to 199 and a total weight of the component A and the component B is from 0.5 to 30% by weight. In a membrane formation step, a membrane is formed from the polymer electrolyte-containing solution. | 12-30-2010 |
| 20100292497 | POLYCARBONATE DIOL WITH EASE OF REACTION STABILIZATION - A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group. It is characterized in that 60-100 mol % of the repeating units represented by the formula (A) are repeating units represented by the following formula (B) or (C), the amount of the repeating units represented by the formula (B) is 10-50 mol %, excluding 50 mol %, based on the total amount of the repeating units represented by the formula (A), and the polycarbonate diol has a terminal primary OH ratio of 95-98.5%. (A) (In the formula, R represents a C | 11-18-2010 |
| 20100282671 | METHOD OF TREATING WASTEWATER - Provided is a method of treating wastewater, containing: the flow-in step of flowing an organic wastewater into an activated sludge tank holding an activated sludge containing microorganisms therein; and the separation step of biologically treating the organic wastewater in the activated sludge tank and then subjecting thus treated liquor to solid-liquid separation with the use of a separation membrane device located in the activated sludge tank, wherein the sugar concentration in the aqueous phase of the activated sludge is maintained within a certain range in the separation step. The method of the present invention allows adequately evaluating the risk of decreasing the effective membrane area caused by the adhesion of biopolymers to the membrane surface, thus achieving efficient wastewater treatment while preventing the increase in the membrane filtration resistance. | 11-11-2010 |
| 20100261852 | POLYCARBONATE DIOL - A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group, 60-100 mol % of the repeating units represented by the formula (A) being repeating units represented by the following formula (B) or (C). The amount of the repeating units represented by the formula (B) is 60-100 mol % based on the total amount of the repeating units represented by the formula (A). The polycarbonate diol has a terminal primary OH ratio of 95% or higher. (A) (In the formula, R represents a C | 10-14-2010 |
| 20100261817 | POLYACETAL RESIN COMPOSITION - Polyacetal resin compositions, including a polyacetal copolymer, 0.2 to 2 parts by mass of a hindered amine material and 0.2 to 10 parts by mass of powdery aluminum, with respect to 100 parts by mass of a polyacetal copolymer, and 0.3 to 10 parts by mass of a fatty acid having a carbon number of 10 to 30, with respect to 100 parts by mass of the powdery aluminum. Methods of making the compositions, and end products including the resin compositions are also provided. | 10-14-2010 |
| 20100260839 | AQUEOUS FILM COATING SOLUTION, FILM COATED GRANULE AND TABLET USING THE SAME - An object of the present invention is to provide an aqueous film coating solution, and the like, which has good acid resistance and sustained release properties as well as the flexibility suitable for the tablet compression force and are highly productive and cost efficient. The aqueous film coating solution of the present invention comprises an ethyl acrylate/methyl methacrylate copolymer dispersion, a methacrylic acid copolymer LD, a plasticizer, titanium oxide and water, wherein the solid mass ratio of the ethyl acrylate/methyl methacrylate copolymer dispersion, the methacrylic acid copolymer LD, the plasticizer and the titanium oxide is 100:(40 to 100):(5 to 50):(5 to 30) and the solid content thereof is 5 to 20 mass %. | 10-14-2010 |
| 20100248954 | PROTEIN-ADSORBING MATERIAL AND METHOD FOR PRODUCING THE SAME - An object of the invention is to provide a protein-adsorbing material having both adsorption capacity and high-speed treatment performance applicable to not only analysis use but also industrial use, in balance, and to provide a method for producing the same. The present invention provides a protein-adsorbing material comprising a polymer base-material, a polymer side-chain immobilized to the surface of the polymer base-material and a functional group having protein adsorption ability and immobilized to the polymer side-chain, in which the mass of the polymer side-chain is 5 to 30% relative to the mass of the polymer base-material. | 09-30-2010 |
| 20100240813 | THERMOPLASTIC RESIN COMPOSITION, AND MOLDED PRODUCT AND SHEET COMPRISING THE COMPOSITION - There are provided a thermoplastic resin composition excellent in a balance between fluidity and low outgassing, and a molded product and a sheet including the thermoplastic resin composition. | 09-23-2010 |
| 20100228010 | METHOD FOR PURIFYING PROTEIN - The present invention provides a method for purifying a protein to remove impurities from a mixture liquid containing a desired protein and the impurities, comprising the step of performing filtration using a porous membrane having a graft chain on a pore surface and an anion-exchange group fixed to the graft chain. | 09-09-2010 |
| 20100190013 | DETACHABLE ADHESIVE CONTAINING REACTION PRODUCT OF OXIDIZING AGENT AND AMINE COMPOUND - Disclosed is a detachable adhesive containing an organic adhesive component and a reaction product which is obtained by reacting an onium salt containing an oxidizing anion with an amine group of an amine compound at a reaction ratio of not less than 50%. | 07-29-2010 |
| 20100179258 | POLYAMIDE RESIN COMPOSITION - The present invention provides a polyamide resin composition comprising a polyamide resin (A), a melamine cyanurate-based flame retardant (B) and a surfactant (C), wherein the polyamide resin composition comprises 100 parts by mass of the total of 60 to 75% by mass of the polyamide resin (A) comprising at least one or more polyamide resin (A1) having a melting point of 255 to 270° C. and 25 to 40% by mass of the melamine cyanurate-based flame retardant (B), and 0.1 to 1.0 part by mass of the surfactant (C) comprising at least one or more fatty acid ester of a polyalkylene polyhydric alcohol, and wherein the melamine cyanurate-based flame retardant (B) dispersed in the polyamide resin composition has an average dispersion particle diameter of 1 to 20 μm. | 07-15-2010 |
| 20100178332 | CELLULOSE-BASED FINE CORE PARTICLE AND PROCESS FOR PRODUCING THE SAME - It is an object of the present invention to provide a fine core particle, which comprises a coating layer having a uniform thickness, and which can be used to produce, at a high yield, a small granule causing no sandy feeling in the oral cavity when the fine core particle is applied to a fine granule or an orally-disintegrating tablet. According to the present invention, there is provided a core particle, which comprises 50% by mass or more of microcrystalline cellulose, and which has a mean particle diameter of less than 100 μm, a relative flow index of 7.0 to 30.0, a specific surface area of less than 0.15 m | 07-15-2010 |
| 20100175720 | CLEANING AGENT AND PROCESS FOR CLEANING RESIN-MOLDING MACHINE USING THE SAME - The present invention has an object to provide a cleaning agent that has excellent cleaning properties and replacement properties and can further improve the workability during the cleaning of a resin-molding machine, a process for cleaning a resin-molding machine using the same, and the like. | 07-15-2010 |
| 20100173139 | POLYAMIDE-POLYPHENYLENE ETHER RESIN COMPOSITION AND FILM - The present invention provides a polyamide-polyphenylene ether resin composition comprising a polyamide having an alicyclic structure and composed of dicarboxylic acid units comprising from 20 to 100 mol % of cyclohexanedicarboxylic acid units and diamine units comprising aliphatic diamine units with from 6 to 12 carbon atoms, a polyphenylene ether, and a compatibilizer for a polyamide and a polyphenylene ether. | 07-08-2010 |
| 20100172978 | AQUEOUS COMPOSITION - Disclosed is an aqueous composition containing (a) an ethyl acrylate/methyl methacrylate copolymer or a plasticized vinyl accetate polymer, (b) an ethyl cellulose, (c) a water soluble additive for pharmaceutical products, (d) titanium oxide and (c) water. The solid content mass ratio among the components (a), (b), (c) and (d), namely a:b:c:d is 100:(5-50):(1-50):(0.5-10), and the solid content concentration in the aqueous composition is 0.5-40% by mass. | 07-08-2010 |
| 20100168303 | TAB leader tape made of polyphenylene ether-based resin - The TAB leader tape of the present invention comprises 45 parts by mass or more of a polyphenylene ether-based resin based on 100 parts by mass of the resin component thereof. | 07-01-2010 |
| 20100155334 | HOLLOW FIBER MEMBRANE MODULE, PROCESS FOR MANUFACTURING THE SAME, HOLLOW FIBER MEMBRANE MODULE ASSEMBLY AND METHOD OF PURIFYING SUSPENDED WATER WITH USE - A hollow fiber membrane module characterized by having a tubular module case; a bundle of a multiplicity of hollow fiber membranes housed in the module case; adhesively fixing parts for fixing both side edge portions of the bundle in the module case in such a fashion that raw fluid can pass through the interior of the hollow fiber membranes; a permeated fluid communication part adapted for passable connection between both end faces outside the adhesively fixing parts by a pipe of diameter significantly larger than that of the hollow fiber membranes; and a raw fluid distribution supply part capable of feeding the raw fluid into the module case at one of the adhesively fixing parts, wherein the raw fluid distribution supply part has multiple raw fluid introduction holes made in hollow fiber membrane interspaces so as to be able to supply the raw fluid along the longitudinal direction of the hollow fiber membranes. | 06-24-2010 |
| 20100133184 | CLEANING AGENT FOR SEPARATION MEMBRANE, PROCESS FOR PREPARING THE CLEANING AGENT, AND CLEANING METHOD - Provided is a cleaning agent or cleaning method of a separation membrane which has cleaning effects equal or superior to those of conventional cleaning methods in cleaning a separation membrane used for filtration of drinking water, industrial water, river water, lake water, groundwater, reservoir water, secondary effluent, waste water, sewage water or the like; does not include a hypochlorite so that it neither generates a toxic gas nor adversely affects the human health; and needs less cleaning time owing to elimination of a rinsing step with a large amount of water. The cleaning agent or cleaning method according to the present invention is therefore safe and economical. Disclosed by the present invention is a preferred cleaning agent containing hydrogen peroxide, a heavy metal compound and a hydroxydicarboxylic acid, wherein the hydroxydicarboxylic acid is selected from the group consisting of malic acid, tartaric acid, tartronic acid, citramalic acid, dioxymaleic acid and dioxymalonic acid, while the heavy metal compound is an iron ion. | 06-03-2010 |
| 20100120975 | EPOXY SILICONE AND PROCESS FOR PRODUCING SAME, AND CURABLE MIX COMPOSITION USING SAME AND USE THEREOF - An epoxy silicon, which comprises at least a compound represented by the following general formula (1), and a compound represented by the following general formula (2); and which is represented by an average composition formula (3), wherein a value of [g/(a+b+c+d+e+f+g+h+i+j)] falls within a range of 0.020 or less. | 05-13-2010 |
| 20100117250 | METHOD FOR INSPECTING DEFECT OF HOLLOW FIBER POROUS MEMBRANE, DEFECT INSPECTION EQUIPMENT AND PRODUCTION METHOD - A method for inspecting a defect of a hollow fiber porous membrane having substantially uniform, continuous inner hollow portions comprises steps for introducing a part of the hollow fiber porous membrane into an irradiation chamber, for irradiating the hollow fiber porous membrane with light from the outside in the irradiation chamber, and for detecting light exiting the hollow fiber porous membrane on the outside of the irradiation chamber. | 05-13-2010 |
| 20100105837 | THERMOPLASTIC COMPOSITION AND MOLDED ARTICLE THEREOF - The present invention discloses a thermoplastic resin composition comprising: (A) 95 to 5 parts by weight of a styrenic resin and/or a polyphenylene ether resin; (B) 5 to 95 weight parts of an olefinic resin; and (C) 1 to 28 parts by weight of a partially hydrogenated block copolymer based on 100 parts by weight of the total amount of the components (A) and (B), wherein the component (C) comprises at least one polymer block X containing a vinyl aromatic compound as a main component and at least one polymer block Y containing a conjugated diene compound as a main component, a content of the vinyl aromatic compound in the component (C) is at least 10 wt % and at most 80 wt %, the vinyl bond content before hydrogenation in the component (C) is 3 wt % or more and less than 50 wt %, and 1 mol % or more and less than 40 mol % of double bonds derived from the conjugated diene compound in the block copolymer which constitutes the component (C) are hydrogenated. | 04-29-2010 |
| 20100087559 | Hydrogenated Block Copolymers and Crosslinking Compositions Containing the Same - A hydrogenated block copolymer obtained by selective hydrogenation of a block copolymer comprising at least two polymer blocks (A) which each comprise vinyl aromatic monomer units as the main component and may be the same or different from each other, at least two polymer blocks (B) which each comprise monomer units derived from a conjugated diene of 5 or more carbon atoms as the main component and may be the same or different from each other, and one or more polymer blocks (C) which each comprise monomer units derived from a conjugated diene of 4 or more carbon atoms as the main component and may be the same or different from each other and/or one or more random copolymer blocks (D) which each comprise monomer units (d-1) derived from a conjugated diene of 4 or more carbon atoms and vinyl aromatic monomer units (d-2) as the main components, wherein the degree of hydrogenation of olefinically unsaturated double bonds of the blocks (B) is 50% or below; the degrees of hydrogenation of olefinically unsaturated double bonds of the blocks (C) and (D) are 80% or above; the content of vinyl aromatic monomer units in the block copolymer is 10 to 85% by weight; the contents of A, B, C and D in the block copolymer are 10 to 70% by weight, 1 to 15% by weight, 0 to 85% by weight and 0 to 85% by weight respectively with the proviso that the sum of C and D is 25 to 85% by weight and the sum total of A, B, C and D is 100% by weight; and the weight-average molecular weight (M) of A satisfies the relationship: M≧20000/[l+{content (%) of (d-2)}/20]. | 04-08-2010 |
| 20100086711 | STRETCHED LAMINATED FILM AND BAG - A stretched laminated film and bag is provided, in which a packaging operation in thermal shrinkage packaging is effectively performed without the occurrence of fusion and the like between margins when sealing via heat-sealing with a margin portion of an adjacent bag in a layered state, and without of bag whitening in a thermal shrinkage process thereafter. Specifically, a stretched laminated film has at least four layers of: a surface layer (A), an adhesive layer (A), a barrier layer, and a surface layer (B) sequentially laminated in order thereof, in which the melting temperature of the surface layer (A) is only increased no less than 65° C. to no more than 150° C. higher than the melting temperature of the surface layer (B), and the barrier layer is composed of a vinylidene chloride copolymer, and the melting temperature of the barrier layer is no less than 130° C. to less than 160° C. | 04-08-2010 |
| 20100081837 | PROCESS FOR PRODUCTION OF POWDER OF CAGE SILSESQUIOXANE COMPOUND - An object of the present invention is to provide a process for producing a powder of a cage silsesquioxane compound by simple operations. In the invention, a high-quality powder of a cage silsesquioxane compound is obtained by reacting a partially cleaved structure of a cage silsesquioxane having a specific structure with an alkoxysilane to obtain a solution containing the cage silsesquioxane compound and further by treating the solution in a thin-film distillation machine. | 04-01-2010 |
| 20100069670 | Oxidation catalyst - An oxidation catalyst for use in the oxidation of a substrate with a molecular oxygen, comprising at least one member selected from the group consisting of a specific hydrazyl radical (such as 2,2-diphenyl-1-picrylhydrazyl) and a specific hydrazine compound (such as 2,2-diphenyl-1-picrylhydrazine). A method for producing a chemical compound, comprising contacting a substrate with a molecular oxygen in the presence of the above-mentioned oxidation catalyst. | 03-18-2010 |
| 20100068452 | IMPACT ABSORBER COMPOSITION - Provided in this invention is an impact absorber composition comprising a copolymer containing an aromatic vinyl compound, wherein the peak of tan δ of the copolymer obtained from the measurement of the dynamic viscoelasticity is in the range of more than 0° C. to 20° C. or less, the value of tan δ is 0.4 or more in the whole temperature range of 5° C. to 15° C., and the value of tan δ at 15° C. is 0.5 or more. | 03-18-2010 |
| 20100062197 | WRAP FILM MADE OF POLYVINYLIDENE CHLORIDE-BASED RESIN AND PROCESS FOR PRODUCING THE SAME - A wrap film having very stable physical properties wherein a sock liquid maintains the lubricating effect as an opening agent while a sock is stabilized and parison width changes and meandering are reduced to eliminate parison wrinkles is provided. Specifically, the wrap film is a wrap film made of a polyvinylidene chloride-based resin prepared by melt-extruding a polyvinylidene chloride-based resin from a die in tubular form, cooling the outer side of the extrudate by using a coolant while an aqueous solution of a liquid that is compatible with water and forms one-component is retained in the hollow portion of the extrudate, and inflating the solidified extrudate, wherein the liquid that is compatible with water and forms one-component has a concentration of 80 to 95% by mass in the aqueous solution, and the liquid is applied to the wrap film in amounts of 50 to 4,000 ppm. | 03-11-2010 |
| 20100058956 | METAL PIGMENT COMPOSITION - Disclosed is a metal pigment composition which can be used in an aqueous coating and shows excellent storage stability of a coating agent, and which is reduced in the deterioration of glossiness, hiding power, flip-flop property and the like when formed into a coating film. Specifically disclosed is a metal pigment composition which is treated with at least one amine salt of a heteropoly acid. The heteroatom constituting the heteropoly acid is at least one element selected from the elements belonging to Groups III, IV and V. The polyatom constituting the heteropoly acid is a transition metal. The amount of the amine salt of the heteropoly acid is preferably 0.01 to 10 parts by weight relative to 100 parts by weight of a metal pigment. The metal pigment is preferably an aluminum flake. | 03-11-2010 |
| 20100036029 | POLYMER-(ORGANO)CLAY COMPOSITE, COMPOSITION COMPRISING THE COMPOSITE, SHEET-LIKE MATERIAL COMPRISING THE COMPOSITE OR THE COMPOSITION, AND PROCESS FOR PRODUCTION OF POLYMER-(ORGANO)CLAY COMPOSITE - Disclosed are: a high-performance polyphenylene ether-organoclay complex which is significantly improved in fire retardancy, durability (e.g., light resistance, chemical resistance, impact resistance), an ability of being extruded into a sheet and the like; and others. The polyphenylene ether-organoclay complex can be produced by: preparing a mixture comprising a solvent, a catalyst, a phenolic compound and an organoclay, wherein the organoclay is contained in an amount of 0.1 to 20 parts by mass relative to 100 parts by mass of the phenolic compound; contacting the mixture with an oxygen-containing gas to cause the oxidative polymerization of the phenolic compound; and removing the solvent and the catalyst from the resulting polymerization mixture. This method is applicable to the production of a complex of an organoclay with other polymers such as an aromatic polycarbonate, a polyether imide and a polyacrylate. | 02-11-2010 |
| 20100021715 | WOODY RESIN MOLDING, POLISHED WOODY RESIN, AND PROCESSES FOR PRODUCING THE SAME - The present invention provides a method for manufacturing a woody resin molded body which comprises a step of passing a woody resin composition containing a thermoplastic resin, a cellulose powder and a blowing agent, a weight ratio of the thermoplastic resin to the cellulose powder being from 20/80 to 80/20, through a shaping die that has no core body and extruding the woody resin composition into a cooling die. A barrel temperature of an extrusion molding machine is set lower than a foaming temperature of the blowing agent, and a temperature of the shaping die is set within a foaming temperature range of the blowing agent, to thereby obtain a woody resin molded body which has a high-expanded foam layer and a low-expanded foam layer formed on the outside of the high-expanded foam layer and in which the cellulose powder is not exposed on a surface of the low-expanded foam layer. In accordance with the present invention, a woody resin molded body is provided that is lightweight and similar to natural wood in secondary processability such as nail driving and screw tightening. The woody resin molded body is free from appearance defects such as streak patterns caused by the presence of weld lines on the surface, and strength problems such as surface cracking, excels in product rigidity and strength, and can be produced with good efficiency by extrusion molding. | 01-28-2010 |
| 20090324920 | Stretch-formed sheet of ultra-high molecular weight polyolefin having excellent transparency and mechanical properties, and production method thereof - To provide a stretch-formed sheet of ultra-high molecular weight polyolefin having excellent transparency and mechanical properties, while being relatively thick. A stretch-formed sheet of ultra-high molecular weight polyolefin having a thickness of 0.2 mm or greater and having an internal haze of 70% or less in the direction of the thickness, is prepared by stretching at least in one direction a formed article of ultra-high molecular weight olefin having a density of 925 kg/m | 12-31-2009 |
| 20090318600 | POLYACETAL RESIN COMPOSITION - The present invention provides a polyacetal resin composition comprising (I) a polyacetal resin; and per 100 parts by weight thereof, (II) more than 5 parts by weight but less than 100 parts by weight of calcium carbonate, wherein the calcium carbonate has an average particle diameter of 0.1 to less than 1.5 μm and an average aspect ratio (L/D) which is a ratio of average major axis (L) of particles to average minor axis (D) of particles (D) of 3 or less; (III) 0.005 to 10 parts by weight of an organic acid; and (IV) 0 to less than 0.05 part by weight of a fatty acid ester, wherein the amount of Na relative to Ca is 250 ppm or less while the amount of Sr relative to Ca is 500 to 2500 ppm. The resin composition of the invention is excellent in a balance of thermal stability and mechanical properties, such as rigidity and toughness, also excellent in anti-creep life, fatigue resistance and acid resistance, so that it can be suitably used in various fields, such as automobile, electrical/electronic and other industries. | 12-24-2009 |
| 20090302272 | POLYAMIDE COMPOSITION - The present invention can provide a polyamide composition that is more excellent in the heat resistance and tensile elongation of molded products and also more excellent in a balance between these properties than those given by conventional polyamide compositions. The present invention relates to a polyamide composition comprising polyamide, liquid-crystalline polyester, and non-liquid-crystalline polyester, characterized in that Ma part by mass of the polyamide, Mb part by mass of the liquid-crystalline polyester, and Mc part by mass of the non-liquid-crystalline polyester with respect to 100 parts by mass in total of the polyamide, the liquid-crystalline polyester, and the non-liquid-crystalline polyester satisfy the following formulas: 60≦Ma≦90, 2≦Mb≦38, and 2≦Mc≦Ma×0.2−2. | 12-10-2009 |
| 20090292082 | Mold releasing film for printed circuit board production - The present invention relates to a mold releasing film for printed circuit board production, which comprises a resin layer (P) containing (A) a polyphenylene ether-based resin in an amount of 50 wt % or more. According to the present invention, it is possible to provide a mold releasing film suitable for production of printed circuit boards, particularly flexible printed circuit boards, which is excellent in mold-releasing property, exhibits little heat shrinkage, hardly imparts wrinkles to printed circuit board products, itself hardly gets wrinkled, and is excellent in contamination resistance since no bleeding-out is observed, and which is also excellent in an anti-moisture absorbing property, shape-following property, less overflow of adhesive, adhesion between multilayer films and slipping property between films. | 11-26-2009 |
| 20090283724 | CONDUCTIVE MASTER BATCH - A method for producing a conductive polyamide-polyphenylene ether resin composition comprising (A) 10 to 90 parts by mass of a polyphenylene ether resin, (B) 5 to 85 parts by mass of a polyamide having a (terminal amino group)/(terminal carboxyl group) ratio falling within the range from 0.20 to 4.0, (C) 5 to 85 parts by mass of a polyamide having a (terminal amino group)/(terminal carboxyl group) ratio falling within the range from 0.05 to 0.19 and (D) 0.1 to 10 parts by mass of a conductive filler, the method comprising the step of melt-kneading of the component (A), the component (B), a compatibilizer (F) and a master batch (E) obtained by melt-kneading of the component (D) and the component (C) in advance. | 11-19-2009 |
| 20090281210 | METHOD FOR PRODUCING POLYAMIDE MASTERBATCH - A polyamide masterbatch free from metal copper deposition and metal corrosion in an extruder or a molding machine, deterioration in mechanical physical properties of the product, and a color change of appearance due to water absorption and having improved heat aging resistance is produced by mixing, by melt kneading, a) 100 parts by weight of a polyamide having a water content of from 0.05 to 2.0 wt. %, b) from 0.1 to 10 parts by weight of an organic compound having at least one amide group, c) from 0.1 to 5 parts by weight of a copper compound having a maximum particle size of 50 μm or less, and d) from 1 to 50 parts by weight of a halogen compound (with the proviso that a copper halide is excluded) having a maximum particle size of 50 μm or less. | 11-12-2009 |
| 20090280186 | PROCESS FOR PRODUCING SPHERICAL BASE GRANULE COMPRISING EASILY WATER-SOLUBLE DRUG - Provided is a process for producing spherical base granules comprising a easily water-soluble drug and suited for film coating by spraying a layering liquid over pharmaceutically inert spherical core particles, thereby coating the particles with a layer comprising the easily water-soluble drug, wherein (1) the spherical core particles have a microcrystalline cellulose content of 30 mass % or greater and a water absorbing capacity of 0.5 cm | 11-12-2009 |
| 20090275682 | Resin Composition Excellent in Flame Retardance - The present invention relates to a resin composition containing (A) a polyamide having a viscosity number (as measured in the 96% sulfuric acid according to ISO 307 (1997)) of from 50 ml/g to 250 ml/g; (B) a polyphenylene ether; and (C) a phosphinate represented by a particular formula. The resin composition according to the present invention is excellent in flame retardancy, impact resistance and thin-wall moldability and can significantly suppress gas generation during the molding process and substantially inhibit the generation of deposits on a mold during injection molding. As a result, a molded product thereof excellent in surface appearance can be provided. | 11-05-2009 |
| 20090270656 | Industrial Process for Producing High-Purity Diol - It is an object of the present invention to provide a specific apparatus and process for industrially producing a high-purity diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials. Moreover, it is an object to thus provide a specific industrial apparatus and industrial production process that are inexpensive and, for example, enable the high-purity diol to be produced in an amount of not less than 1 ton/hr, preferably not less than 2 tons/hr, more preferably not less than 3 tons/hr, stably for a prolonged period of time (e.g. not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours). According to the present invention, the above objects can be attained by using a continuous multi-stage distillation column A, a continuous multi-stage distillation column C, and a continuous multi-stage distillation column E, which have a specified structure, and withdrawing a liquid component from the side cut outlet, which is installed at the bottom of a chimney tray having a specified structure installed in an enrichment section of the continuous multi-stage distillation column E. | 10-29-2009 |
| 20090253939 | Process for industrially producing dialkyl carbonate and diol - It is an object of the present invention to provide a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively with high selectivity and high productivity stably for a prolonged period of time through a reactive distillation system of taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into a continuous multi-stage distillation column in which a catalyst is present, and carrying out reaction and distillation simultaneously in the column. Although there have been many proposals regarding processes for the production of the dialkyl carbonate and the diol through the reactive distillation method, these have all been on a small scale and short operating time laboratory level, and there have been no disclosures whatsoever on a specific process or apparatus enabling mass production on an industrial scale. According to the present invention, there is provided a specific continuous multi-stage distillation column having a specified structure, and a production process using this continuous multi-stage distillation column, according to which the dialkyl carbonate and the diol can be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively each with a selectivity of not less than 95%, preferably not less than 97%, more preferably not less than 99%, stably for not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours. | 10-08-2009 |
| 20090253844 | RESIN COMPOSITION AND MOLDED PRODUCT THEREOF - An object of the present invention is to provide a resin composition in which a surface resistivity and a volume resistivity actually measured in an antistatic region and an electrostatic diffusion region are equivalent to each other, and a remolded product produced by reutilizing a molded product which can hold the above properties. Specifically, disclosed is a resin composition comprising: 100 parts by weight of (a) a thermoplastic resin; 20 to 80 parts by weight of (b) a nonconductive fibrous inorganic filler having an average fiber diameter of not more than 15 μm; and 10 to 70 parts by weight of the total of (c1) a graphite and (c2) a graphite in which (c) graphite having an average particle diameter of 1 μm to 50 μm wherein each kind thereof has a different particle diameter; and at least one of differences in average particle diameter between two kinds thereof is not less than 5 μm. | 10-08-2009 |
| 20090239050 | Methacrylic Resin and Process for Producing Thererof - A methacrylic resin comprising 80 to 98.5 wt % of methyl methacrylate monomer unit and 1.5 to 20 wt % of at least one different vinyl monomer unit copolymerizable with methyl methacrylate, characterized in that the methacrylic resin has a weight average molecular weight measured by gel permeation chromatography (GPC) of 60,000 to 230,000 and comprises 7 to 30% of a component having a weight average molecular weight of ⅕ or less of a peak weight average molecular weight (Mp) obtained from a GPC elution curve based on the methacrylic resin component. | 09-24-2009 |
| 20090233012 | Light Diffusion Plate for Liquid Crystal Display - The present invention provides a light diffuser plate for a liquid crystal display, comprising: a low-hygroscopic resin layer (A) having a water absorption after 24 hours of 0.2% or less, as measured according to JIS K7209; and a styrenic resin layer (B) layered on at least one surface of the low-hygroscopic resin layer (A), the styrenic resin layer (B) comprising 50% or more of a styrenic resin and 3.5 to 5 parts by weight of an ultraviolet absorber based on 100 parts by weight of the styrenic resin, wherein the surface of the layer (B) has an arithmetic average roughness (Ra) of 5 μm to 30 μm, as measured according to JIS B0601. The present invention can provide a light diffuser plate for a liquid crystal display which is made of a low-hygroscopic resin capable of preventing warpage due to moisture absorption and also has a scratch resistant surface and significantly improved lightfastness. | 09-17-2009 |
| 20090212264 | PROCESS FOR PRODUCTION OF CONDUCTIVE RESIN COMPOSITION - A method for producing a conductive polyamide-polyphenylene ether resin composition comprising (A) 10 to 90 parts by mass of a polyphenylene ether resin, (B) 5 to 85 parts by mass of a polyamide having a (terminal amino group)/(terminal carboxyl group) ratio falling within the range from 0.20 to 4.0, (C) 5 to 85 parts by mass of a polyamide having a (terminal amino group)/(terminal carboxyl group) ratio falling within the range from 0.05 to 0.19 and (D) 0.1 to 10 parts by mass of a conductive filler, the method comprising the step of melt-kneading of the component (A), the component (B), a compatibilizer (F) and a master batch (E) obtained by melt-kneading of the component (D) and the component (C) in advance. | 08-27-2009 |
| 20090209724 | Process for industrially producing high-quality aromatic polycarbonate - It is an object of the present invention to provide a specific process that enables a high-quality high-performance aromatic polycarbonate having excellent mechanical properties and no discoloration to be produced industrially in a large amount (e.g. not less than 1 ton/hr) stably for a prolonged period of time (e.g. not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours) from a dialkyl carbonate and an aromatic dihydroxy compound. When producing the aromatic polycarbonate from the dialkyl carbonate and the aromatic dihydroxy compound, the above object can be attained by carrying out a process according to the present invention which comprises the steps of: (I) producing a diphenyl carbonate using two reactive distillation columns each having a specified structure; (II) obtaining a high-purity diphenyl carbonate from the diphenyl carbonate using a high boiling point material separating column A and a diphenyl carbonate purifying column B each having a specified structure; (III) subsequent producing an aromatic polycarbonate using a guide-contacting downflow type polymerization apparatus having a specified structure from a molten prepolymer obtained from the aromatic dihydroxy compound and the high-purity diphenyl carbonate; and (IV) recycling by-produced phenol into step (I). | 08-20-2009 |
| 20090203811 | CATIONIC CURABLE COMPOSITION AND CURED PRODUCT THEREOF - An object of the present invention is to provide a cationic curable composition which has low viscosity, can be rapidly photo-cured even in the air, has good adhesion to a substrate such as glass or resin, and is excellent in glass cleaner resistance and water resistance; an ink jet ink, a gravure ink and a hard coating material which comprise the composition; and cured products thereof. A cationic curable composition comprising: (A) 1 to 100 parts by weight of a phenol derivative having 3 or more aromatic rings per molecule, wherein the aromatic ring has a structure in which some or all of hydrogen atoms of phenolic hydroxyl groups of the aromatic ring are substituted by polymerizable functional groups; (B) 1 to 500 parts by weight of a cationic polymerizable compound; and (C) 0.05 to 20 parts by weight of a photo- and/or thermo-cationic initiator is provided. | 08-13-2009 |
| 20090196934 | SPHERICAL ELEMENTARY GRANULE AND METHOD FOR PRODUCTION THEREOF - The characteristic in being coated with film of spherical elementary granules is improved by adjusting a short/long diameter-ratio distribution coefficient to a specific value. | 08-06-2009 |
| 20090194477 | INTERMITTENT GAS FLOW APPARATUS AND MEMBRANE SEPARATION APPARATUS - Intermittent gas flow and membrane separation apparatus and methods of use including an internal gas chamber including an upper wall; at least one inlet for supplying gas to the internal gas chamber; a column pipe that extends above the upper wall of the internal gas chamber, the column pipe including a lower end portion including a lower end portion opening in the internal gas chamber, the column pipe linking the internal gas chamber to an area external to the internal gas chamber for fluid flow between the internal gas chamber and the external area; an auxiliary pipe including one end portion connected to the column pipe for fluid flow between the auxiliary pipe and the column pipe, and another end portion branched off from the column pipe, the another end portion including an opening located in the internal gas chamber at a position higher than the lower end portion opening of the column pipe by a predetermined height; and an auxiliary pipe external tubular member including a closed end, the auxiliary pipe external tubular member surrounding the another end portion of the auxiliary pipe with the closed end being positioned below the opening in the another end portion of the auxiliary pipe, and spaced from the another end portion by a predetermined distance permitting fluid flow into the space between the wall of the tubular member and the auxiliary pipe. | 08-06-2009 |
| 20090176923 | GLASS-FIBER REINFORCED THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE THEREOF - The present invention provides a glass fiber-reinforced thermoplastic resin composition in which a particular relationship is satisfied between the glass fiber content (W (parts by weight)) and the melt viscosity (η) of the thermoplastic resin composition at molding temperature as determined at a shear rate of 1,000 sec | 07-09-2009 |
| 20090169891 | Water Absorbing Resin Particle Agglomerates and Manufacturing Method of the Same - Provided are a manufacturing method of water absorbing resin particle agglomerates capable of producing water absorbing resin particles having a sufficiently high water retention property and a large particle size without using a special material, which process has steps of (1) a polymerization step for producing primary particles of a water absorbing resin comprising suspending an aqueous monomer solution containing an unsaturated carboxylate in an organic solvent containing a nonionic surfactant therein, and subjecting the resulting suspension to reverse-phase suspension polymerization, and (2) an agglomeration step of agglomerating the primary particles by using a water soluble solvent; and water absorbing resin particle agglomerates stably showing a high water retention property and satisfying the following requirements: (a) 50 mol % or greater of repeating units of the polymer molecular chain of the water absorbing resin constituting the primary particles are carboxyl group-containing units and at least a portion of carboxyl groups of the carboxyl group-containing units is neutralized with at least one base selected from alkali metals, amines, and ammonia, and (b) the water absorbing resin particle agglomerates comprise, on the outer surface thereof, a portion having a neutralization ratio of carboxyl groups of not greater than 40 mol % and, inside of the water absorbing resin particle agglomerates, a portion having a neutralization ratio of carboxyl groups of 50 mol % or greater. | 07-02-2009 |
| 20090163668 | Conjugated Diene Polymer and Process for Production Thereof - A process for producing a conjugated diene polymer composition, which comprises of polymerizing a conjugated diene compound or a conjugated diene compound and an aromatic vinyl compound in a hydrocarbon solvent in the presence of at least one compound selected from the group consisting of organoalkali metals and organoalkaline earth metals as an initiator and then reacting the active end of the resulting polymer with a low molecular compound represented by the following formula (1) or the following formula (2): | 06-25-2009 |
| 20090163604 | Process for Producing Tablet by High-Speed Direct Compression - A process for producing a tablet characterized by performing high-speed direct compression with a moving speed of a pestle of 800 mm/s or more while compressing a powder which contains at least 15 to 80% by mass of cellulose, an active ingredient and a lubricant and has an angle of repose of 50° C. or less, a compression degree of 20% or more and an elongation at break of 30 μm or more. | 06-25-2009 |
| 20090149669 | Process for production of dialkyl carbonate and diol - It is an object of the present invention to provide, for a case of producing a dialkyl carbonate and a diol from a cyclic carbonate and an aliphatic monohydric alcohol, a process that simultaneously satisfies the cyclic carbonate conversion being high, the selectivities for the dialkyl carbonate and diol to be produced being high, and a high-purity diol having a high UV transmittance and a low aldehyde content being obtained without carrying out complicated treatment such as feeding water into a diol distillation purification step. The present invention discloses a process for the production of the dialkyl carbonate and the diol in which, when producing the dialkyl carbonate and the diol by reacting the cyclic carbonate and the aliphatic monohydric alcohol together in the presence of a catalyst in a transesterification reactor comprising a tray type continuous multi-stage distillation column, reaction conditions (residence times, temperatures) in the distillation column are controlled to be specific conditions. | 06-11-2009 |
| 20090143628 | Industrial process for production of high-purity diol - It is an object of the present invention to provide a specific apparatus and process for industrially producing a high-purity diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials. More specifically, it is an object to thus provide a specific industrial apparatus and industrial production process that are inexpensive and, for example, enable the high-purity diol to be produced in an amount of not less than 1 ton/hr, preferably not less than 2 tons/hr, more preferably not less than 3 tons/hr, stably for a prolonged period of time (e.g. not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours). The above objects can be attained by using a continuous multi-stage distillation column E having a specified structure, and withdrawing a liquid component from the side cut outlet, which is installed at the bottom of a chimney tray having a specified structure installed in an enrichment section of the continuous multi-stage distillation column E. | 06-04-2009 |
| 20090137833 | Process for industrially producing dialkyl carbonate and diol - It is an object of the present invention to provide a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively with high selectivity and high productivity stably for a prolonged period of time through a reactive distillation system of taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into a continuous multi-stage distillation column in which a catalyst is present, and carrying out reaction and distillation simultaneously in the column. Although there have been many proposals regarding processes for the production of the dialkyl carbonate and the diol through the reactive distillation method, these have all been on a small scale and short operating time laboratory level, and there have been no disclosures whatsoever on a specific process or apparatus enabling mass production on an industrial scale. According to the present invention, there is provided a specific continuous multi-stage distillation column having a specified structure, and a production process using this continuous multi-stage distillation column, according to which the dialkyl carbonate and the diol can be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively each with a selectivity of not less than 95%, preferably not less than 97%, more preferably not less than 99%, stably for not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours. | 05-28-2009 |
| 20090137712 | ORAL WASH - The present invention is an injection-molded gear made of a polyacetal resin composition comprising a polyacetal and a filler having a particular shape and particle diameter. An object thereof is to provide a gear which has durability and is excellent in the balance between dimensional accuracy and rotation transmission accuracy. Specifically, the gear is an injection-molded gear made of a polyacetal resin composition comprising more than 5 and less than 100 parts by mass of a filler (II) having a particle size distribution satisfying a particular expression and an average aspect ratio (L/D), i.e., a ratio of an average major-axis length (L) of the particles to an average minor-axis length (D) of the particles, of less than 3 and 0 or less than 10 parts by mass of an organic acid (III) based on 100 parts by mass of a polyacetal (I), characterized in that the gear comprises 10% or less of aggregates of the filler (II) having an aggregate diameter of 3 μm or more. | 05-28-2009 |
| 20090130351 | BLOCK COPOLYMER AND PROCESS FOR PRODUCTION OF HEAT SHRINKABLE FILM - The present invention provides a production process of a heat shrinkable film which is transparent, excellent in the balance of physical properties such as rigidity, elongation and shrink properties in both MD and TD, especially has a uniform film thickness and good stability in extrusion molding film while utilizing an inflation method; a block copolymer or hydrogenated product thereof, or a composition composed thereof excellent in tensile properties, optical properties, hardness, stretch properties, molding processability, shrink properties and solvent resistance and therefore suited for extrusion, injection molding and foams. The production process of a heat shrinkable film has a first inflation step of forming a tube having a thickness of from 0.05 to 0.5 mm by using a block copolymer having a vinyl aromatic hydrocarbon content of from 65 to 95 wt. % and a conjugated diene content of from 5 to 35 wt. %, or a hydrogenated product of the block copolymer; and a second inflation step, successively to the first inflation step, stretching the tube to from 1.5 to 5 times the original length in the TD in a fluid of from 65 to 100° C. | 05-21-2009 |
| 20090128738 | Light-Transmitting Resin Board - There is provided a light-transmitting resin plate for a liquid crystal display which has achieved conversion of a linear light source into a surface light source together with a higher luminance by minimizing the loss of the transmitted light due to a light-diffusing agent and forming a specific semi-elliptic convex lens shape on the light-exiting surface side. There is also provided a light-transmitting resin plate which can satisfy a long-term optical stability of a backlight as well as shape stability of the resin plate. | 05-21-2009 |
| 20090118541 | Method for producing glycolic acid - Provided is a production method of glycolic acid having a first step of preparing glycolonitrile from formaldehyde and hydrocyanic acid and a second step of hydrolyzing the glycolonitrile into glycolic acid directly or via a glycolate salt, which method can produce glycolic acid in easy production and purification steps while consuming less energy. In the production method, by carrying out the first and second steps continuously or by storing the glycolonitrile obtained in the first step at pH 4 or less and carrying out a hydrolysis reaction of the second step at from pH 5 to 9, a production yield of glycolic acid, activity for the production of glycolic acid and accumulated concentration of glycolic acid are improved, resulting in the production of glycolic acid having an improved purity and quality. | 05-07-2009 |
| 20090105392 | RESIN COMPOSITION AND AUTOMOBILE UNDER-HOOD PARTS THEREOF - A resin composition including 30 to 90% by mass of polyamide (A), 70 to 10% by mass of glass fibers (B), a copper compound (C) and a halogenated compound (D), wherein polyamide (A) has a sum of a terminal carboxyl group concentration and a terminal amino group concentration of 100 milliequivalents/kg or more and 200 milliequivalents/kg or less, the terminal carboxyl group concentration being higher than the terminal amino group concentration; glass fibers (B) have a fiber diameter of 10 to 20 μm and a weight average fiber length of 5 to 30 mm; the content of copper based on polyamide (A) is 30 ppm or more and 200 ppm or less; and the molar ratio of halogen to copper (halogen/copper) is more than 5 and not more than 25. | 04-23-2009 |
| 20090081462 | LONG FIBER FILLER REINFORCED RESIN PELLET - The invention provides a long fiber filler reinforced resin pellet composed of a long fiber filler and a thermoplastic resin blend. In the pellet, the long fiber filler is aligned to form a spiral with a central axis along the longitudinal direction of the pellet, and the pellet has a skin layer part with a lower content of the long fiber filler, and a core part with a higher content of the long fiber filler, thereby the cross-section of the core part is in a range of 30% to 70% of the cross-section of the pellet. The thermoplastic resin blend in the pellet is composed of polyphenylene ether and a thermoplastic resin other than polyphenylene ether. | 03-26-2009 |
| 20090069499 | PROCESS FOR PRODUCING GLASS FIBER-REINFORCED POLYAMIDE RESIN COMPOSITION - The present invention provides a process for producing a polyamide resin composition, comprising the steps of: impregnating a molten polyamide resin into glass fiber rovings; taking off the polyamide-impregnated glass fiber rovings during twisting thereof to provide a strand; and pelletizing the strand to provide a resin composition, wherein a melt viscosity of the polyamide resin is set to fall within a particular range. According to the present invention, there can be provided a process for producing a glass fiber-reinforced polyamide resin composition excellent in the impregnation of the resin into the glass fiber rovings and capable of offering a molding excellent in mechanical strength and color tone. | 03-12-2009 |
| 20090061280 | METHOD FOR PRODUCING -SO3H GROUP-CONTAINING FLUOROPOLYMER AND -SO3H GROUP-CONTAINING FLUOROPOLYMER - The present invention provides a novel production process by which unstable terminal groups can be sufficiently stabilized under mild conditions. The present invention is related to a method for producing an —SO | 03-05-2009 |
| 20090054676 | Industrial process for separating out dialkyl carbonate - It is an object of the present invention to provide a specific apparatus and process for using a single distillation column on a low boiling point reaction mixture containing a large amount of a dialkyl carbonate and an aliphatic monohydric alcohol produced through a reactive distillation process of taking a cyclic carbonate and the aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into a continuous multi-stage distillation column in which a homogeneous catalyst is present, and carrying out reaction and distillation simultaneously in the column, so as to separate the low boiling point reaction mixture by distillation into a column top component B | 02-26-2009 |
| 20090048425 | PROCESS FOR PRODUCTION OF CYCLOOLEFIN - According to the present invention, when cycloolefins are produced by partially hydrogenating a monocyclic aromatic hydrocarbon with hydrogen in the presence of a ruthenium catalyst, water, and a metal sulfate, the decrease in catalytic activity and cycloolefin selectivity is suppressed by reducing the concentration of chloride ions dissolved in the water in which the catalyst is present to 300 wt ppm or less and regenerating a part or all of the catalyst for reuse. Zinc sulfate is preferably used as the metal sulfate. Further, the raw materials and catalyst to be supplied to the reaction preferably have a reduced chloride ion content. This method can suppress the decrease in long-term catalytic activity and cycloolefin selectivity. Furthermore, the catalytic activity and cycloolefin selectivity after catalyst regeneration can be maintained at a high level. As a result, cycloolefins can be efficiently produced for a long period of time. | 02-19-2009 |
| 20090048385 | MASTERBATCH AND COMPOSITION CONTAINING THE SAME - A masterbatch is produced which is excellent in thermal stability by limiting the comonomer content and thermal stability of a polyoxymethylene copolymer, and further implements a method of feeding the polyoxymethylene resin and carbon in the extrusion step. Moreover, the composition containing the masterbatch retains mechanical properties (elastic modulus, impact resistance, and vibration fatigue characteristic), chemical resistance, and moldability and also has conducting capability. | 02-19-2009 |
| 20090047494 | Vinylidene chloride - methyl acrylate copolymer resin composition and film comprising the resin composition - The present invention provides a novel vinylidene chloride resin composition that excels in thermal stability and enables the extrusion of films at a high extrusion rate; a biaxially stretched film that is manufactured from the vinylidene chloride resin composition and excels in barrier properties and transparency; and a multilayer film including the stretched film. The copolymer resin composition contains a vinylidene chloride-methyl acrylate copolymer resin that has a content ratio of methyl acrylate component of no less than 4 wt. % and no more than 6 wt. % and a weight-average molecular weight, determined by gel permeation chromatography, of no less than 60,000 and no more than 80,000 and contains as additives predetermined volumes of: (a) an epoxidized vegetable oil; (b) 2,6-di-tert-butyl-4-methylphenol; (c) dl-α-tocopherol; (d) a thiodifatty acid dialkyl ester; and (e) an ethylenediaminetetraacetic acid salt. | 02-19-2009 |
| 20090036692 | Process for Production of Substituted Cyclopentanone - A substituted cyclopentanone represented by the following formula (2): | 02-05-2009 |
| 20090030223 | PROCESS FOR INDUSTRIALLY PRODUCING DIALKYL CARBONATE AND DIOL WITH HIGH YIELD - It is an object of the present invention to provide a solution by providing a specific process that enables a dialkyl carbonate and a diol to be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively with high selectivity and high productivity stably for a prolonged period of time through a reactive distillation system of taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into a continuous multi-stage distillation column in which a catalyst is present, and carrying out reaction and distillation simultaneously in the column. Although there have been many proposals regarding processes for the production of the dialkyl carbonate and the diol through the reactive distillation method, these have all been on a small scale and short operating time laboratory level, and there have been no disclosures whatsoever on a specific process or apparatus enabling mass production on an industrial scale. According to the present invention, there are provided a specific continuous multi-stage distillation column having a specified structure, and a production process using this continuous multi-stage distillation column, in which the dialkyl carbonate and the diol can be produced on an industrial scale of not less than 2 ton/hr and not less than 1.3 ton/hr respectively each with a selectivity of not less than 95%, preferably not less than 97%, more preferably not less than 99%, stably for not less than 1000 hours, preferably not less than 3000 hours, more preferably not less than 5000 hours. | 01-29-2009 |
| 20090018370 | Industrial process for production of diol - It is an object of the present invention to provide a specific apparatus and process for producing a diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into a continuous multi-stage distillation column A in which a catalyst is present, carrying out reactive distillation in the column A, continuously withdrawing a low boiling point reaction mixture A | 01-15-2009 |
| 20090018303 | Process for Producing Low-Molecular Polyphenylene Ether - A process for producing a low-molecular polyphenylene ether having a content of components with molecular weights of 20,000 or more of 10 mass % or less and a number average molecular weight of 4,000 or less by a redistribution reaction which involves reacting a raw polyphenylene ether having a number average molecular weight of 10,000 or more with a polyphenol compound and a radical initiator, characterized in that the redistribution reaction step is a step conducted in a solvent; the ratio of the raw polyphenylene ether to the solvent (raw polyphenylene ether:solvent) (mass ratio) is provided at 0.4:100 to 40:100 (mass ratio); and the ratio of the radical initiator to the solvent (radical initiator:solvent) (mass ratio) is provided at 0.5:100 to 5:100 (mass ratio). | 01-15-2009 |
| 20090012194 | Foam - The present invention provides a foam comprising (a) a polylactic acid resin, (b) at least one thermoplastic resin selected from a polyolefin resin and a polystyrene resin, and (c) a block copolymer of a vinyl aromatic compound and a conjugated diene, wherein a ratio of (a) to (b) by weight (a/b) is 80/20 to 20/80, and the foam comprises 0.5 to 20 parts by weight of (c) with respect to 100 parts by weight of (a) and (b) in total. | 01-08-2009 |
| 20090000736 | Oxidant-Containing Adhesive Enabling Disassembly - An object of the present invention is to provide an easily disassemblable adhesive that is an adhesive for forming a structure by adhering members and enables easy disassembly of the adhered structure owing to possessing disassemblability. The invention provides a disassemblable adhesive containing an organic adhesive component and an oxidant. | 01-01-2009 |
| 20080318161 | Photosensitive Resin Composition for Flexographic Printing - A photosensitive resin composition for flexographic printing comprising a thermoplastic elastomer (a), a photopolymerizable unsaturated monomer (b), and a photopolymerization initiator (c) as essential ingredients, wherein the thermoplastic elastomer (a) is a block copolymer composition containing a block copolymer (i) having at least one polymer block comprised mainly of a mono-alkenyl aromatic compound and at least one polymer block comprised mainly of butadiene, and a branched block copolymer (ii) having at least two polymer blocks comprised mainly of a mono-alkenyl aromatic compound and at least one polymer block comprised mainly of butadiene; the amount of the mono-alkenyl aromatic compound unit in the thermoplastic elastomer (a) is 10-28 mass %; the amount of the block copolymer (i) in the thermoplastic elastomer (a) is 15-50 mass %; and the number average molecular weight (number average molecular weight in terms of polystyrene measured by GPC) of the branched block copolymer (ii) is 200,000-400,000. | 12-25-2008 |
| 20080298330 | Using Presence Detection To Control A Wireless Network - A wireless system coupled to a local area network (LAN) ( | 12-04-2008 |
| 20080289773 | Industrial Evaporation Apparatus - It is an object of the present invention, in the case of an apparatus in which a liquid containing material having a lower boiling point than that of the liquid is made to flow down along an external surface of a guide, during which time the lower boiling point material is evaporated, to provide a specific apparatus that can be operated stably for a prolonged period of time on an industrial scale such that not less than 1 ton/hr of the liquid is subjected to the evaporation, and furthermore to provide a specific industrial evaporation apparatus in which there are no problems due to degeneration caused by some of the liquid residing in the apparatus for a prolonged period of time. The present inventors have reached to the present invention upon discovering that the above object can be attained, and a high-quality and high-purity concentrated liquid or condensation polymer or thermoplastic polymer can easily be obtained, by using an industrial evaporation apparatus having a specified structure in which there are guides that do not themselves have a heat source, a flow path controlling member having a function of making the liquid fed onto a perforated plate from a liquid receiving port flow mainly from a peripheral portion toward a central portion of the perforated plate is provided in a liquid feeding zone, and formulae (1) to (5), or formulae (1) to (10), or formulae (1) to (12), are satisfied. | 11-27-2008 |
| 20080275262 | Process for Production of Alkyltin Alkoxides - A process for the production of alkyltin alkoxides which comprises subjecting at least one alkyltin compound selected from among organotin compounds having tin-oxygen-tin linkages as the starting compound and a hydroxyl compound as the reactant to dehydration to obtain an alkyltin alkoxide corresponding to the starting compound and the reactant, characterized by continuously feeding the starting compound and the reactant into a reactor, discharging a water-containing low boiling point component from the reactor, and continuously withdrawing a reaction fluid containing an alkyltin alkoxide as the bottom from the reactor. | 11-06-2008 |
| 20080271847 | Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes - In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its perfluoro compound layer surface with respect to the gas diffusion electrode assembly. Adjacent gas diffusion electrodes are heat fusion bonded together, or heat fusion bonding is carried out using the bonding piece in a frame form. Adjacent gas diffusion electrodes are sealed up by heat fusion bonding, using a material that is similar to the material that forms the gas diffusion electrodes. | 11-06-2008 |
| 20080266493 | Resin composition for optical material - An optical material having a high birefringence and a small absolute value of a photoelastic coefficient is provided by use of a resin composition for an optical material comprising a resin (a) having a positive photoelastic coefficient and a negative inherent birefringence and a resin (b) having a negative photoelastic coefficient and a negative inherent birefringence. | 10-30-2008 |
| 20080262146 | Resin Composition for Optical Material - It is an object of the present invention to provide a resin composition that is used as an optical material and has a low change in birefringence with external force, and a molding thereof. According to the present invention, there is provided a resin composition comprising an acrylic resin (a) and an aliphatic polyester resin (b). | 10-23-2008 |
| 20080254385 | Photosensitive Resin for Flexographic Printing Plate - Disclosed is a photosensitive resin composition for flexographic printing plates containing a thermoplastic elastomer (A), a polymer (B) mainly composed of butadiene, a photopolymerizable unsaturated monomer (C) and a photopolymerization initiator (D) (which composition substantially contains no hydrophilic polymers). In this photosensitive resin composition for flexographic printing plates, the number average molecular weight of the polymer (B) is not less than 10,000 and not more than 60,000, and the 1, 2 vinyl content in the total double bonds of the polymer (B) is not more than 25%. | 10-16-2008 |
| 20080249200 | Method of Producing Thermoplastic Polymer Solution - An object of the present invention is to provide a method of producing a solution of a thermoplastic polymer such as a polyester resin and/or a solution of a depolymerization product of a thermoplastic polymer by efficiently dissolving the thermoplastic polymer and/or the depolymerization product of the thermoplastic polymer. The method of producing a solution of a thermoplastic polymer and/or a solution of a depolymerization product of a thermoplastic polymer, which includes supplying a thermoplastic polymer, in a melted state, from a raw material supply port to an interior of a reactor, discharging the polymer through holes of a perforated plate, and then bringing the polymer into contact with a solvent vapor while flowing down along the surface of a support disposed inside the reactor. | 10-09-2008 |
| 20080234444 | Method for Efficiently Producing an Aromatic Polycarbonate - It is a task of the present invention to provide a method which enables the production of a high quality, high performance aromatic polycarbonate (which is colorless and has excellent mechanical properties) from a molten aromatic polycarbonate prepolymer obtained from an aromatic dihydroxy compound and a diaryl carbonate, wherein the polycarbonate can be stably produced on a commercial scale at 1 to 50 t/hr for a long time without the need for a large amount of an inert gas. In the present invention, this task has been accomplished by a method for producing an aromatic polycarbonate by the melt transesterification process, in which the prepolymer is caused to absorb a specific amount of an inert gas, followed by polymerization using a guide-wetting fall polymerizer device having a specific structure, whereby a high quality, high performance aromatic polycarbonate as mentioned above can be stably produced on a commercial scale at 1 to 50 t/hr for a long time (more than several thousand hours, e.g., as long as 5,000 hours) without fluctuation of the molecular weight thereof. | 09-25-2008 |
| 20080223711 | Industrial Process for Production of Aromatic Carbonate - It is an object of the present invention to provide, in the case of producing an aromatic carbonate through a reactive distillation system using a continuous multi-stage distillation column from a dialkyl carbonate and an aromatic monohydroxy compound, a specific process that enables the aromatic carbonate to be produced stably for a prolonged period of time on an industrial scale of not less than 1 ton/hr, while efficiently separating out a by-produced alcohol. Although there have been various proposals regarding processes for the production of aromatic carbonates by means of a reactive distillation method, these have all been on a small scale and short operating time laboratory level, and there have been no disclosures whatsoever on a specific process or apparatus enabling mass production on an industrial scale. Moreover, there have been no disclosures on a specific process or apparatus enabling a large amount of an alcohol by-produced when producing the aromatic carbonate on an industrial scale using a reactive distillation system to be separated out efficiently and stably for a prolonged period of time. According to the present invention, there is proposed a continuous multi-stage distillation column A and a continuous multi-stage distillation column B which have specified structure, and a specific method in which these continuous multi-stage distillation columns are combined together, enabling the aromatic carbonate to be produced stably for a prolonged period of time on an industrial scale of not less than 1 ton/hr, while efficiently separating out a by-produced alcohol, preferably on an industrial scale of not less than 200 kg/hr. | 09-18-2008 |
| 20080221348 | Industrial Process for Production of Aromatic Carbonate - It is an object of the present invention to provide a specific process that enables an aromatic carbonate to be produced with high selectivity and high productivity stably for a prolonged period of time on an industrial scale of no less than 1 ton per hour using a continuous multi-stage distillation column from a dialkyl carbonate and an aromatic monohydroxy compound containing specified amounts of an alcohol and an aromatic carbonate. Although there have been many proposals regarding the process of producing the aromatic carbonate using a reactive distillation method, these have all been on a small scale and a short operating time laboratory level. There have also been no disclosures whatsoever of a starting material containing necessary amounts of the alcohol and the aromatic carbonate for use in an industrial production, which have been considered to be disadvantageous in terms of the equilibrium, let alone the process and apparatus for the industrial production. According to the present invention, there is provided a specified continuous multi-stage distillation column, and there is also provided a specific process that enables the aromatic carbonate to be produced with high selectivity and high productivity stably for a prolonged period of time on an industrial scale of not less than 1 ton per hour from the dialkyl carbonate and the aromatic monohydroxy compound containing the alcohol and the aromatic carbonate. | 09-11-2008 |
| 20080196840 | Industrial Continuous Evaporation Apparatus - It is an object of the present invention, in the case of an apparatus in which a liquid containing matter having a lower boiling point than the liquid is made to flow down along external surfaces of guides, during which time the low boiling point matter is evaporated, to provide a specific apparatus that can be operated stably for a prolonged period of time on an industrial scale such that not less than 1 ton/hr of the liquid is produced through the evaporation, and furthermore to provide a specific industrial evaporation apparatus according to which there are no problems due to degeneration caused by some of the liquid residing in the apparatus for a prolonged period of time. The present inventors arrived at the present invention upon discovering that the above object can be attained, and a high-quality and high-purity concentrated liquid or condensation polymer or thermoplastic polymer can easily be obtained, by using an industrial continuous evaporation apparatus having a specified structure in which there are guides that do not themselves have a heat source, a flow path controlling member having a function of making the liquid fed onto a perforated plate from a liquid receiving port flow mainly from a peripheral portion toward a central portion of the perforated plate is installed in a liquid feeding zone, the perforated plate and the holes therein satisfy specified relationships (formulae (6) and (7)), and formulae (1) to (5), preferably formulae (1) to (13), or preferably formulae (1) to (15), are satisfied. | 08-21-2008 |
