Sumitomo Seika Chemicals Co., Ltd. Patent applications |
Patent application number | Title | Published |
20160039950 | APPARATUS FOR PRODUCING WATER-ABSORBENT RESIN - In an apparatus for producing the water-absorbent resin, gas heated by the polymerization heat accompanied by a polymerization reaction in a reactor main body flows through a first pipe into a heat exchanging structure, and a cooled fluid obtained by the cooling flows through a second pipe into the reactor main body. In the apparatus, a first pipe temperature adjusting portion adjusts a temperature of the first pipe to fall within a predetermined temperature range, and a polymerization reactor temperature adjusting portion adjusts a temperature of an upper portion of the reactor main body to fall within a predetermined temperature range. | 02-11-2016 |
20160030919 | PROCESS FOR PRODUCING WATER-ABSORBENT RESIN - The present invention provides a process for producing a water-absorbent resin, characterized in that a reverse-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer is carried out in a hydrocarbon dispersion medium comprising a dispersion stabilizer while an azo-based compound and a peroxide are combined in the presence of an internal-crosslinking agent, in that the following formulae are satisfied, | 02-04-2016 |
20150361209 | COMPOSITION FOR SOFT MATERIALS, AND SOFT MATERIAL - The present invention aims to provide a composition for soft materials, which enables production of a soft material excellent in transparency, a stress relaxation property, and strength and having an elongation property that is not so much lowered even at high temperatures. The present invention also aims to provide a soft material produced using the composition for soft materials of the present invention. The present invention relates to a composition for soft materials including polyrotaxane and a radical polymerizable monomer, the polyrotaxane including a cyclic molecule, a linear molecule threading through a cavity of the cyclic molecule in a skewered manner, and capping groups that cap both ends of the linear molecule, the polyrotaxane having at least one cyclic molecule with a radical polymerizable group, the polyrotaxane having at least two radical polymerizable groups. | 12-17-2015 |
20150272852 | LUBRICATING RESIN COMPOSITION - The present invention provides a lubricating resin composition for personal care, wherein the composition comprises 100 parts by mass of a thermoplastic elastomer having durometer A hardness (HDA) of 10 to 40, 10 to 40 parts by mass of a water-soluble polyethylene oxide, and 20 to 60 parts by mass of a water-absorbent modified polyalkylene oxide, and wherein the composition not only maintains its superior lubricity and roughness-resistant property under a wet condition even in repeated use thereof, but also represents a low swelling ratio and no slimy feeling under a wet condition. | 10-01-2015 |
20150239911 | METHOD FOR PRODUCING COMPLEX COMPOSED OF ORGANIC NITROGEN COMPOUND AND COPPER (I) SALT OF FLUOROOXO ACID - Disclosed is a method for producing a complex composed of an organic nitrogen compound and a copper (I) salt of a fluorooxo acid with high yield while reducing the corrosion of a reaction vessel. The complex can be produced with high yield while reducing the corrosion of a reaction vessel, by reacting a copper (I) salt, a fluorooxo acid salt and an organic nitrogen compound with one another. | 08-27-2015 |
20150184106 | LUBRICATING RESIN COMPOSITION - The present invention provides a lubricating resin composition for personal care, wherein the composition not only maintains its excellent lubricity and roughness-resistant property under a wet condition even during repeated use thereof, but also represents a low swelling ratio and no slimy feeling under a wet condition. The lubricating resin composition for personal care of the present invention comprises 100 parts by mass of a water-absorbent modified polyalkylene oxide and 25 to 500 parts by mass of a low-melting point polyamide resin. | 07-02-2015 |
20150157549 | VISCOUS COMPOSITION - The purpose of the present invention is to provide a viscous composition which is capable of achieving a high viscosity over a pH range from acidic to weakly acidic conditions even in the presence of a polyvalent metal salt by means of an alkyl-modified carboxyl group-containing water-soluble copolymer. A viscous composition, which is obtained by adjusting the pH of a liquid composition that contains a specific alkyl-modified carboxyl group-containing water-soluble copolymer, a polyvalent metal salt and water to 7.0 or more with use of a base, and then adjusting the pH of the resulting liquid composition to 2.5-6.5 with use of a carboxylic acid and/or a phosphorus oxo acid, is able to have a high viscosity. | 06-11-2015 |
20150141705 | METHOD FOR PRODUCING MEDIUM-MOLECULAR-WEIGHT POLYALKYLENEOXIDE - A method for producing a medium-molecular weight polyalkylene oxide having a viscosity-average molecular weight of from 100,000 to 2,500,000, including heat-treating a polyalkylene oxide having a viscosity-average molecular weight of 3,000,000 or more at a temperature of from 30° to 70° C. in an aliphatic hydrocarbon solvent having a dissolved oxygen concentration of 0.5 mg/L or more, in the presence of a radical initiator in an amount of from 0.001 to 1 part by mass, based on 100 parts by mass of the polyalkylene oxide, and thereafter adding an antioxidant to a mixture in an amount of from 0.001 to 5 parts by mass, based on 100 parts by mass of the polyalkylene oxide to remove the solvent. According to the method of the present invention, a medium-molecular weight polyalkylene oxide having a viscosity-average molecular weight of from 100,000 to 2,500,000 which has excellent storage stability can be industrially obtained without subjecting to a gamma-ray irradiation treatment. | 05-21-2015 |
20150125697 | SAPONIFICATION PRODUCT OF VINYL ESTER/ETHYLENICALLY UNSATURATED CARBOXYLIC ACID ESTER COPOLYMER AND PROCESS FOR PRODUCING THE SAME - The present invention provides a saponification product of a vinyl ester/ethylenically unsaturated carboxylic acid ester copolymer having superior tolerance of the aqueous thickening liquid against mechanical shear. More specifically, the present invention provides a saponification product of a vinyl ester/ethylenically unsaturated carboxylic acid ester copolymer having the superior tolerance, by polymerizing a mixture where the molar ratio of the vinyl ester/ethylenically unsaturated carboxylic acid ester is from 8/2 to 3/7, and saponifying the obtained copolymer in a mixed solvent where the mass composition ratio of an aqueous organic solvent/water mixture solvent is from 3/7 to 8/2. | 05-07-2015 |
20150105477 | GEL-LIKE COMPOSITION - An object of the present invention is to provide a gel-like cosmetic material the viscosity of which is not easily reduced even in the presence of an electrolyte, the cosmetic material ensuring an unconventional jelly-like feel when being applied to the skin, and a smooth sensation after being applied to the skin. | 04-16-2015 |
20150080539 | POLYMERIZATION REACTOR AND METHOD FOR PRODUCING WATER ABSORBENT RESIN - A polymerization reactor of the present invention includes a container body | 03-19-2015 |
20150076389 | ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICES, ALUMINUM ELECTROLYTIC CAPACITOR, AND ELECTRIC DOUBLE LAYER CAPACITOR - The present invention aims to provide an electrolyte solution for electrochemical devices, which has excellent thermal stability and high decomposition voltage and produces a small amount of evaporation at high temperatures. The present invention also aims to provide an aluminum electrolytic capacitor and an electric double layer capacitor, both of which include the electrolyte solution for electrochemical devices. The present invention relates to an electrolyte solution for electrochemical devices, the electrolyte solution including a solvent and an electrolyte, the solvent containing a sulfone compound represented by the formula (1): | 03-19-2015 |
20150030649 | COSMETIC COMPOSITION - The present invention provides a cosmetic composition that is stable, not sticky when used, has excellent moisture and smoothness, and maintains the effects for a long time without deterioration due to washing and/or sweating. | 01-29-2015 |
20140343341 | PURIFICATION METHOD AND PURIFICATION SYSTEM FOR PROPANE - [PROBLEM] To provide an industrially advantageous method and system that are simple and have superior energy efficiency for obtaining high-purity propane from low-purity propane. | 11-20-2014 |
20140251426 | VAPOR BARRIER FILM, DISPERSION FOR VAPOR BARRIER FILM, METHOD FOR PRODUCING VAPOR BARRIER FILM, SOLAR CELL BACK SHEET, AND SOLAR CELL - An object of the present invention is to provide a water vapor barrier film having good flexibility, good moisture resistance, and high mechanical strength. A further object of the present invention is to provide a dispersion for water vapor barrier films which is intended to be used to produce the water vapor barrier film, a method for producing the water vapor barrier film, a solar cell back sheet incorporating the water vapor barrier film, and a solar cell incorporating the water vapor barrier film or the solar cell back sheet. The present invention provided a water vapor barrier film containing: phyllosilicate mineral; and a synthetic resin, wherein the phyllosilicate mineral includes a non-swelling clay mineral and a swelling clay mineral, the phyllosilicate mineral is present in an amount of not less than 30% by weight and not more than 90% by weight of the total weight of the water vapor barrier film, and the water vapor barrier film has a water vapor permeability, measured at 40° C. and 90% RH, of not more than 0.5 g/m | 09-11-2014 |
20140221551 | AQUEOUS DISPERSION OF POLYAMIDE-BASED RUBBER-LIKE ELASTOMER AND PROCESS FOR MANUFACTURING SAME - The present invention provides an aqueous dispersion comprising a polyamide-based rubber-like elastomer emulsified and dispersed therein, wherein 0.8 to 10 parts by weight of a copolymer of ethylene with an ethylenically unsaturated carboxylic acid, relative to 100 parts by weight of the polyamide-based rubber-like elastomer is contained. The aqueous dispersion of the present invention is a novel aqueous dispersion of polyamide-based rubber-like elastomer that is excellent in storage stability at low temperatures, and that can provide processed products excellent in flexibility and heat resistance when used as a coating material. | 08-07-2014 |
20140221548 | COMPOSITE MATERIAL - Provided is a composite material which can be preferably used as alternative seal materials to asbestos seal materials or as a heat dissipation sheet with excellent thermal conductivity. The composite material comprises: (1) an inorganic filler-containing material containing an inorganic filler and any of the following: a polyimide film, a polyimide varnish consisting of a polyamide acid solution, an incompletely-imidized and self-standing polyimide precursor film obtained by drying a polyamide acid solution, a polybenzimidazole film, a varnish consisting of a polybenzimidazole solution, a polyazomethine film, a mixed film consisting of a polyimide resin and a polybenzimidazole resin, a mixed varnish consisting of a polyamide acid solution and a polybenzimidazole solution, a mixed film consisting of a polyimide precursor and polyazomethine, a polybenzoxazole film, etc; and (2) a molding consisting of any of expanded graphite, organic fiber and inorganic fiber. | 08-07-2014 |
20140199601 | ADDITIVE FOR NONAQUEOUS ELECTROLYTE, NONAQUEOUS ELECTROLYTE, AND ELECTRICITY STORAGE DEVICE - The present invention aims to provide an additive for a non-aqueous electrolyte solution with excellent storage stability capable of forming a stable SEI on the surface of an electrode to improve cell performance such as a cycle performance, a discharge/charge capacity, and internal resistance, when the additive is used for electrical storage devices such as non-aqueous electrolyte solution secondary cells and electric double layer capacitors. The present invention also aims to provide a non-aqueous electrolyte solution containing the additive for a non-aqueous electrolyte solution and to provide an electrical storage device using the non-aqueous electrolyte solution. The present invention is an additive for a non-aqueous electrolyte solution, comprising a compound that has a structure represented by the formula (1-1) or (1-2): | 07-17-2014 |
20140194574 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN, AND WATER-ABSORBENT RESIN OBTAINED BY SAME - A method for producing a water-absorbent resin including the step of subjecting a water-soluble ethylenically unsaturated monomer to a reversed phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a radical polymerization initiator and a dispersion stabilizer, wherein the method is characterized by the use of an ether-ester type nonionic surfactant as the dispersion stabilizer, and a water-absorbent resin obtained by the method, wherein the water-absorbent resin has a water-retention capacity of saline solution of 25 g/g or more, a water-absorption rate of saline solution of 50 seconds or less, and a flow index under moisture absorption of 70% or more. According to the method of the present invention, a water-absorbent resin having high water-retention capacity, excellent water-absorption rate, and further having excellent flowability under moisture absorption can be produced. The water-absorbent resin having the specified physical properties as described above can enhance properties of hygienic materials, and the resin can be suitably used in the production of the hygienic materials. | 07-10-2014 |
20140179886 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method is disclosed for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, is further reduced as compared with a water-absorbent resin obtained by a conventional method, and a water-absorbent resin obtained by the method. More specifically, a method is disclosed for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising adding and dispersing an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in the presence of a surfactant under stirring, and performing a reversed-phase suspension polymerization using a radical polymerization initiator, and a water-absorbent resin obtained by the method. | 06-26-2014 |
20140154490 | NON-COMBUSTIBLE FILM, DISPERSION LIQUID FOR NON-COMBUSTIBLE FILMS, METHOD FOR PRODUCING NON-COMBUSTIBLE FILM, SOLAR CELL BACK SHEET, FLEXIBLE BOARD, AND SOLAR CELL - The present invention aims to provide a non-combustible film having excellent flexibility, excellent moisture resistance, and high mechanical strength. The present invention also aims to provide a dispersion liquid for non-combustible films which is used in production of the non-combustible film, a method for producing a non-combustible film using the above dispersion, and a solar cell back sheet and a flexible board each of which is formed from the above non-combustible film. The present invention further aims to provide a solar cell including the solar cell back sheet. The non-combustible film of the present invention includes a water-insoluble inorganic compound and a heat-resistant synthetic resin, the water-insoluble inorganic compound constituting from 30% by weight to 90% by weight inclusive of the total weight of the non-combustible film, the film exhibiting a flammability of VTM-0 in the UL-94 VTM test. | 06-05-2014 |
20140127510 | WATER ABSORBING RESIN PARTICLES, METHOD FOR MANUFACTURING WATER ABSORBING RESIN PARTICLES, ABSORPTION BODY, ABSORPTIVE ARTICLE, AND WATER-SEALING MATERIAL - Disclosed is a water-absorbent resin particle in which the water-absorption rate of physiological saline is 1 second to 15 seconds, the median particle size is 100 μm to 600 μm, and the residual volatile component content is 1.5% by weight or less. | 05-08-2014 |
20140120349 | POLYALKYLENE OXIDE PARTICLES AND PRODUCTION METHOD FOR THE SAME - The present invention relates to a production method of polyalkylene oxide particles including a step of forming the polyalkylene oxide particles by polymerization of an alkylene oxide in a polymerization solution containing a polymerization solvent and a catalyst dispersed in the polymerization solvent. The average particle diameter of the catalyst is more than 25 μm. | 05-01-2014 |
20140106171 | POLYALKYLENE OXIDE PARTICLES AND PRODUCTION METHOD FOR THE SAME - The present invention relates to a production method of polyalkylene oxide particles including a step of forming the polyalkylene oxide particles by polymerization of an alkylene oxide in a polymerization solution containing a polymerization solvent and a catalyst dispersed in the polymerization solvent. The average particle diameter of the catalyst is 25 μm or less. | 04-17-2014 |
20140100327 | (METH)ACRYLIC ACID-BASED COPOLYMER - The present invention provides an HASE polymer which produces a high thickening effect in a small amount at low costs. More specifically, the present invention provides a (meth) acrylic acid-based copolymer obtained by polymerizing (meth) acrylic acid, an alkyl (meth)acrylate with an alkyl group of having 1 to 4 carbon atoms, and a (polyoxyethylene stearyl ether) ester of (meth) acrylic acid. | 04-10-2014 |
20140094570 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - The present invention provides a water-absorbent resin produced by a reversed-phase suspension polymerization method, which contains a small amount of a petroleum hydrocarbon dispersion medium remaining therein used in reversed-phase suspension polymerization, and thus reducing an odor originating from the petroleum hydrocarbon dispersion medium, when the water-absorbent resin absorbs water, and also which is suitable for use in hygienic materials; an absorbent material and an absorbent article. More particularly, the present invention provides a water-absorbent resin obtained by subjecting an aqueous solution of a water-soluble ethylenically unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a surfactant, wherein the amount of the petroleum hydrocarbon dispersion medium remaining in the water-absorbent resin is 2,000 ppm or less; and an absorbent material and an absorbent article using the same. | 04-03-2014 |
20140066616 | PRODUCTION METHOD FOR HYDROPHILIC MODIFIED POLYROTAXANE - The present invention aims to provide a method of producing a hydrophilic modified polyrotaxane, which enables production of a hydrophilic modified polyrotaxane excellent in storage stability in an industrially advantageous way. The present invention provides a method of producing a hydrophilic modified polyrotaxane, comprising: a hydrophilic modification step of preparing a solution of a hydrophilic modified polyrotaxane by modifying all or part of hydroxy groups on a cyclodextrin of a polyrotaxane with hydrophilic modifying groups, the polyrotaxane containing the cyclodextrin, a polyethylene glycol included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a drying step in which the prepared solution of the hydrophilic modified polyrotaxane is formed into a thin film state and dried. | 03-06-2014 |
20140066615 | PRODUCTION METHOD FOR POWDERED HYDROPHILIC MODIFIED POLYROTAXANE - The present invention aims to provide a method of producing a powdered hydrophilic modified polyrotaxane, which enables production of a powdered hydrophilic modified polyrotaxane excellent in storage stability in an industrially advantageous way. The present invention provides a method of producing a powdered hydrophilic modified polyrotaxane, comprising: a hydrophilic modification step of preparing a solution of a hydrophilic modified polyrotaxane by modifying all or part of hydroxy groups on a cyclodextrin of a polyrotaxane with hydrophilic modifying groups, the polyrotaxane containing the cyclodextrin, a polyethylene glycol included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a drying step of spraying the prepared solution of the hydrophilic modified polyrotaxane and drying the solution of the hydrophilic modified polyrotaxane in a heated gas stream. | 03-06-2014 |
20140066403 | HYDROPHILIC MODIFIED POLYROTAXANE COMPOSITION - The present invention aims to provide a hydrophilic modified polyrotaxane composition having excellent storage stability. The present invention relates to a hydrophilic modified polyrotaxane composition comprising: a hydrophilic modified polyrotaxane produced by modifying, with hydrophilic modifying groups, all or part of hydroxy groups on a cyclodextrin of a polyrotaxane containing the cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant. | 03-06-2014 |
20140061532 | RADICAL COMPOSITION AND BATTERY USING SAME - The present invention provides a radical composition capable of suppressing elution of electrode components in an electrolyte solution when used in an electrode for a secondary battery, and a battery using the radical composition. The present invention relates to a radical composition including a pyrroline nitroxide polymer and polyethylene glycols. | 03-06-2014 |
20140058078 | POLYROTAXANE COMPOSITION - The present invention aims to provide a polyrotaxane composition having excellent storage stability. The present invention relates to a polyrotaxane composition comprising: a polyrotaxane containing a cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant. | 02-27-2014 |
20140031507 | METHOD FOR PRODUCING WATER-ABSORBING RESIN - The invention provides a novel method for producing a water-absorbent resin comprising: subjecting at least one water-soluble ethylenic unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium, the reversed-phase suspension polymerization being conducted using a 0.00005 to 0.00016 mol of water-soluble azo initiator for radical polymerization per mol of the water-soluble ethylenic unsaturated monomer in the presence of 0.000015 to 0.00015 mol of hypophosphorous compound per mol of the water-soluble ethylenic unsaturated monomer. | 01-30-2014 |
20140031464 | CHLOROSULFONATED POLYETHYLENE LATEX - A chlorosulfonated polyethylene latex, which is safe for living bodies and the environment and can be used as a latex component in a resorcin-formalin-latex adhesive, contains an aqueous dispersion medium, chlorosulfonated polyethylene, and an emulsifying agent of a polyoxyalkylene alkyl ether sulfate of formula (I) below and a fatty acid salt. The latex is excellent in standing stability and mechanical stability. In formula (I), R | 01-30-2014 |
20140031203 | WATER-ABSORBENT RESIN, ABSORBENT BODY AND ABSORBENT ARTICLE - The present invention provides a novel water-absorbent resin desirable for use as a hygienic material and the like, and an absorbent material and absorbent article using the water-absorbent resin; the water-absorbent resin having a high gel strength that prevents a reduction in liquid permeation rate by suppressing gel blocking during absorption, and an excellent water-retention capacity at the same time. | 01-30-2014 |
20140012018 | SULFOLANE COMPOSITION - The present invention aims to provide, with combination of a sulfolane compound and an organic alkanolamine compound, a sulfolane composition which is not likely to cause odor, can suppress pyrolysis of the sulfolane compound with a reduced amount of additives, and can reduce generation of sulfur dioxide. The present invention relates to a sulfolane composition containing a sulfolane compound represented by formula (1) and an organic alkanolamine compound, wherein R | 01-09-2014 |
20130345434 | METHOD FOR PRODUCING 1,2-BENZISOTHIAZOL-3-ONE COMPOUND - The present invention provides a method for producing a 1,2-benzisothiazol-3-one compound by reacting a 2-(alkylthio)benzonitrile compound with a halogenating agent in the presence of water, wherein an alkyl halide that is generated as by-product is reacted with a sulfide to form an alkylthiol, which is converted into an alkali metal salt, and then the resulting alkali metal salt is reacted with a 2-halobenzonitrile compound to be converted into a 2-(alkylthio)benzonitrile compound and reused as a starting material for the production of a 1,2-benzisothiazol-3-one compound. By means of the present invention, it is possible to efficiently use the by-product that is generated during the production of a 1,2-benzisothiazol-3-one compound and economically produce a 1,2-benzisothiazol-3-one compound without placing a burden on the environment. | 12-26-2013 |
20130345433 | 1,2-BENZISOTHIAZOL-3-ONE COMPOUND PRODUCTION METHOD - The present invention provides a method for producing 1,2-benzisothiazol-3-one compounds by reacting a 2-(alkylthio)benzonitrile compound with a halogenating agent in the presence of water, the method being characterized in that the reaction proceeds while the halogenating agent and water are gradually and simultaneously added to a reaction system containing the 2-(alkylthio)benzonitrile compound. The invention allows the simple and economical production of highly pure 1,2-benzisothiazol-3-one compounds, which are useful as antimicrobial agents, antifungal agents, etc. | 12-26-2013 |
20130331562 | METHOD FOR PRODUCING REFINED POLYROTAXANE - The present invention aims to provide a method for producing a refined polyrotaxane which includes an industrially advantageous method of producing a polyrotaxane that has excellent storage stability. The method for producing a refined polyrotaxane includes the step of heat-cleaning a polyrotaxane with a cleaning medium, the polyrotaxane containing cyclodextrin molecules, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol. | 12-12-2013 |
20130330566 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin including the step of subjecting primary particles obtained by a first-step reversed phase suspension polymerization to agglomeration according to a second-step reversed phase suspension polymerization, each step using an internal-crosslinking agent-added water-soluble ethylenically unsaturated monomer, characterized in that A and B satisfy the relationships of:
| 12-12-2013 |
20130324670 | HYDROPHILIC THICKENING AGENT AND METHOD OF PRODUCING SAME - Provide is a cross-linked polymer which is a polymer of a water-soluble ethylenically unsaturated monomer, the cross-linked polymer being cross-linked by a water-soluble crosslinking agent. An aqueous liquid with a pH of 6.8 to 7.0 consisting of water and 1.0% by mass of the cross-linked polymer has an equilibrium compliance at 25° C. of 5.2×10 | 12-05-2013 |
20130324396 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin includes a polymerization step of polymerizing a polymerizable component containing a water-soluble ethylenically unsaturated monomer dissolved in water using a water-soluble azo-type radical polymerization initiator to obtain a reaction system including a water-absorbent resin precursor, and a dehydration step of removing water from the reaction system by heating. In the dehydration step, a water-soluble radical polymerization initiator is added to the reaction system at any first dehydration stage when the residual water rate calculated by the formula (1) is 50% or more, and a reducing substance is added to the reaction system at any second dehydration stage when the residual water rate decreases from that at the first dehydration stage by 10% or more. According to this production method, a water-absorbent resin having satisfactory water-absorption capacity can be produced while suppressing the content of residual monomers. | 12-05-2013 |
20130317209 | METHOD FOR PRODUCING PSEUDOPOLYROTAXANE - The present invention aims to provide an industrially advantageous method of producing a pseudopolyrotaxane with a high inclusion ratio. The present invention relates to a method for producing a pseudopolyrotaxane, including: an inclusion step of mixing a polyethylene glycol and a cyclodextrin in an aqueous medium to form an aqueous dispersion of pseudopolyrotaxane that contains pseudopolyrotaxane particles in which the polyethylene glycol is included in the cavities of the cyclodextrin molecules in a skewered manner; and a drying step of drying the aqueous dispersion of pseudopolyrotaxane produced in the inclusion step to obtain the pseudopolyrotaxane. In the drying step, the aqueous dispersion of pseudopolyrotaxane is dried in a thin film state. | 11-28-2013 |
20130310465 | WATER-SOLUBLE POLYALKYLENE OXIDE-MODIFIED PRODUCT - The present invention provides a water-soluble polyalkylene oxide-modified product which is nonionic, has a high thickening effect and is also excellent in transparency, and an emulsion composition and a cosmetic material containing the same. More specifically, the present invention provides a water-soluble polyalkylene oxide-modified product obtained by reacting a monovalent hydrophobic alcohol, a linear diol compound, a polyalkylene oxide compound and a diisocyanate compound, and an emulsion composition and a cosmetic material containing the same. | 11-21-2013 |
20130296547 | METHOD FOR PRODUCING PSEUDOPOLYROTAXANE AQUEOUS DISPERSION - The present invention aims to provide an industrially advantageous method for producing an aqueous dispersion of pseudopolyrotaxane enabling to produce an aqueous dispersion of pseudopolyrotaxane having good fluidity and excellent dispersion stability of the pseudopolyrotaxane particles therein. The present invention relates to a method for producing an aqueous dispersion of pseudopolyrotaxane. The method includes: a mixing step of a dissolving polyethylene glycol and a cyclodextrin in an aqueous medium to prepare a mixed solution; and a cooling step of continuously or intermittently cooling the mixed solution in a state of flux to precipitate pseudopolyrotaxane particles. The pseudopolyrotaxane particles contain the polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner. | 11-07-2013 |
20130296546 | METHOD FOR PRODUCING PSEUDOPOLYROTAXANE - The present invention aims to provide an industrially advantageous method of producing a powdery pseudopolyrotaxane with a high inclusion ratio. The present invention relates to a method for producing a pseudopolyrotaxane, including: an inclusion step of mixing a polyethylene glycol and a cyclodextrin in an aqueous medium to form an aqueous dispersion of pseudopolyrotaxane that contains pseudopolyrotaxane particles in which the polyethylene glycol is included in the cavities of the cyclodextrin molecules in a skewered manner; and a drying step of drying the aqueous dispersion of pseudopolyrotaxane produced in the inclusion step to obtain the pseudopolyrotaxane. In the drying step, the aqueous dispersion of pseudopolyrotaxane is sprayed and dried in a heated gas-stream. | 11-07-2013 |
20130274088 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin by a reversed-phase suspension polymerization method, includes step 1 of dispersing a first aqueous solution containing a partially neutralized product (A) of a water-soluble ethylenically unsaturated monomer having acid groups in the molecule in a petroleum-type hydrocarbon dispersion medium in the presence of a dispersing agent, and then polymerizing the resulting dispersion to obtain a slurry containing primary particles of a polymer, and step 2 of adding a second aqueous solution containing a partially neutralized product (B) of a water-soluble ethylenically unsaturated monomer having acid groups in the molecule to the slurry obtained in step 1, and then polymerizing the mixture to obtain a slurry in which the primary particles are agglomerated. In the method, a molar neutralization degree X of the partially neutralized product (A) is set larger than a molar neutralization degree Y of the partially neutralized product (B), and also a difference between the molar neutralization degree X and the molar neutralization degree Y is set to 5% or more. The dispersing agent usable herein is at least one member among those of a surfactant and a polymer-type dispersing agent. The water-absorbent resin produced by this method suppresses odor originating from a dispersion medium and odor generated with the lapse of time after absorption of a body fluid or the like. | 10-17-2013 |
20130273351 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN | 10-17-2013 |
20130260151 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN PARTICLES AND WATER-ABSORBENT RESIN PARTICLES - The present invention provides a method for producing water-absorbent resin particles which show an excellent water absorption rate and high equilibrium swelling capacity and which have an appropriate particle size to be excellent in handleability, and water-absorbent resin particles obtained by the method. The present invention is a method for producing water-absorbent resin particles by reversed phase suspension polymerization of a water-soluble ethylenically unsaturated monomer, the method including the steps of: (A) first reversed phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium using a water-soluble radical polymerization initiator, in the absence of an internal crosslinking agent and in the presence of a surfactant having an HLB of 8 to 12; (B) intermediate crosslinking reaction by adding an intermediate crosslinking agent; (C) second reversed phase suspension polymerization of a water-soluble ethylenically unsaturated monomer added to the petroleum hydrocarbon dispersion medium containing the surfactant dissolved therein using a water-soluble radical polymerization initiator in the absence of an internal crosslinking agent, thereby producing a water-absorbent resin precursor; and (D) post crosslinking reaction of the water-absorbent resin precursor preliminary adjusted to have a moisture content of 30 to 100% by mass relative to a water-soluble ethylenically unsaturated monomer component in the water-absorbent resin precursor. | 10-03-2013 |
20130217846 | METHOD FOR PRODUCING WATER-ABSORBENT RESIN | 08-22-2013 |
20130178814 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprising a structure in which an absorbent layer containing a water-absorbent resin is sandwiched with a hydrophilic nonwoven fabric from an upper side and a lower side of the absorbent layer, characterized in that at least one side of the upper side and the lower side of the water-absorbent sheet structure is subjected to embossing, wherein a central region W | 07-11-2013 |
20130158495 | WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAME | 06-20-2013 |
20130150508 | AQUEOUS DISPERSION OF POLYAMIDE RUBBER ELASTIC BODY AND METHOD OF PRODUCING THE SAME - An aqueous dispersion of polyamide rubber elastic body, which contains an aqueous medium and a polyamide rubber elastic body emulsified and dispersed in the aqueous medium in the presence of a surfactant. The surfactant is used in an amount of 1 to 20 parts by weight based on 100 parts by weight of the polyamide rubber elastic body, and is for example at least one member selected from the group consisting of a polyoxyalkylene alkyl ether sulfate, a dialkyl sulfosuccinate, a fatty acid salt and an ethylene oxide/propylene oxide copolymer. This aqueous dispersion can produce a molded article having the characteristics of the polyamide rubber elastic body, particularly a molded article which hardly suffers from bleeding of the surfactant and is excellent in transparency. | 06-13-2013 |
20130139684 | HYDROGEN PRODUCTION SYSTEM AND METHOD OF CONTROLLING FLOW RATE OF OFFGAS IN THE SYSTEM - A hydrogen manufacturing system for performing offgas flow control includes: a vaporizer ( | 06-06-2013 |
20130137881 | METHOD FOR PRODUCING A METHYLENE DISULFONATE COMPOUND - The present invention provides a method for producing a methylene disulfonate compound including reacting, in the presence of an acid and a dehydrating agent, a formaldehyde compound with at least one salt of alkanedisulfonic acid selected from the group consisting of alkali metal salts of alkanedisulfonic acid and alkaline earth metal salts of alkanedisulfonic acid each represented by a specific formula. According to the method of the present invention, a methylene disulfonate compound can be obtained in a simple manner at low cost. | 05-30-2013 |
20130131299 | PROCESS FOR PRODUCING CARBOXYL-CONTAINING POLYMER COMPOSITION, AND CARBOXYL-CONTAINING POYLMER COMPOSTION - A process is disclosed for producing a carboxyl-containing polymer composition that allows the possibility of obtaining a carboxyl-containing polymer composition which exhibits excellent dispersibility in water or the like, has a viscosity increasing to a lower degree compared to the viscosity of a neutralized viscous liquid using an additive-free carboxyl-containing polymer, and has a high degree of transparency in a neutralized viscous liquid thereof. A carboxyl-containing polymer composition is obtained by polymerizing a monomer containing an α,β-unsaturated carboxylic acid as a main component in a presence of a polyol (iso)stearic acid ester. A polyol in the polyol (iso)stearic acid ester is a polyol selected from a specific group, and the polyol (iso)stearic acid ester is used in the polymerization in an amount of 0.2 to 7 parts by mass based on 100 parts by mass of the α,β-unsaturated carboxylic acid. | 05-23-2013 |
20130130017 | WATER-ABSORBING RESIN | 05-23-2013 |
20130123455 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin having a further reduced odor as compared with a water-absorbent resin obtained by a conventional method as well as a water-absorbent resin produced by the same method, by maintaining the addition rate V from the pouring nozzle for the aqueous solution of the water-soluble ethylenically unsaturated monomer in a polymerization reaction tank not more than 0.30 [min | 05-16-2013 |
20130123454 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - The present invention provides a method for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, was reduced, and a water-absorbent resin obtained by the method. More specifically, the present invention provides a method for producing a water-absorbent resin comprising performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium by using a surfactant, wherein an aqueous solution of the water-soluble ethylenically unsaturated monomer is dispersed in the dispersion medium at a specific pouring rate to reduce an odor, and a water-absorbent resin obtained by the method, are provided. | 05-16-2013 |
20130123445 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising the following steps of: (A) performing a primary dispersion in the absence of surfactants by adding an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent was heat-dispersed or heat-dissolved, under stirring; (B) further performing a secondary dispersion by adding a surfactant to a dispersion liquid obtained after the primary dispersion; and (C) performing the reversed-phase suspension polymerization by using a radical polymerization initiator; and the water-absorbent resin obtained by the method. | 05-16-2013 |
20130119309 | METHOD FOR PRODUCING A WATER-ABSORBENT RESIN - A method for producing a water-absorbent resin comprising at least two stages of reversed-phase suspension polymerization, wherein the first stage of the at least two stages of reversed-phase suspension polymerization comprises the following steps of: (A) performing a primary dispersion by stirring to mix in the absence of surfactants an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent with a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent dissolves or disperses; (B) further performing a secondary dispersion by adding a surfactant to the resultant dispersion liquid; and (C) performing a polymerization by using a water-soluble radical polymerization initiator to obtain a water-absorbent resin as particles in a hydrous gel state which disperse in the petroleum hydrocarbon dispersion medium, and a water-absorbent resin obtained by the method. | 05-16-2013 |
20130046263 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprising a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent sheet structure has a structure in which the absorbent layer is separated in divided parts of a primary absorbent layer and a secondary absorbent layer with a fibrous substrate having a void ratio of from 91 to 99%, and wherein the water-absorbent resin is contained in an amount of from 100 to 1,000 g/m | 02-21-2013 |
20130040868 | RESIN COMPOSITION WHOSE LUBRICITY UNDER WET CONDITIONS IS MAINTAINED - Provided is a resin composition which has excellent lubricity and a good touch feeling under wet conditions and suffers from little deterioration in the lubricity or the good touch feeling even if used repeatedly, and is excellent in flexibility. More specifically, the resin composition contains 100 parts by mass of a water-absorbing polymer and 60 to 500 parts by mass of a thermoplastic resin that has a type D durometer hardness (HDD) of 10 to 60. | 02-14-2013 |
20130018349 | WATER-ABSORBENT SHEET STRUCTUREAANM Takatori; JunichiAACI Himeji-shiAACO JPAAGP Takatori; Junichi Himeji-shi JPAANM Matsushita; HidekiAACI Himeji-shiAACO JPAAGP Matsushita; Hideki Himeji-shi JPAANM Sakata; JunAACI Himeji-shiAACO JPAAGP Sakata; Jun Himeji-shi JPAANM Inaba; HarukaAACI Himeji-shiAACO JPAAGP Inaba; Haruka Himeji-shi JP - A water-absorbent sheet structure comprising a structure in which an absorbent layer containing a water-absorbent resin is sandwiched with a hydrophilic nonwoven fabric from an upper side and a lower side of the absorbent layer, characterized in that at least one side of a topside and an underside of the water-absorbent sheet structure is subjected to embossing, and that the water-absorbent sheet structure has the following properties: when a saline solution is allowed to be absorbed in an amount of 4 L per 1 m | 01-17-2013 |
20130012677 | SHEET WHOSE LUBRICITY IS MAINTAINED UNDER WET CONDITIONS - The present invention provides a sheet that has excellent lubricity and good touch feeling under wet conditions and suffers from little drop of the lubricity even if the sheet is used repeatedly. In the sheet of the present invention, a layer of modified polyalkylene oxide obtainable by reacting a polyalkylene oxide compound, a diol compound, and a diisocyanate compound together is directly formed on a surface of a substrate. | 01-10-2013 |
20130005993 | NOVEL DIARYL SULFONE COMPOUND, AND MANUFACTURING METHOD FOR SAME - The present invention provides a diaryl sulfone compound represented by Formula (1) below: | 01-03-2013 |
20130005992 | METHOD FOR PRODUCING OPTICALLY ACTIVE N-MONOALKYL-3-HYDROXY-3-ARYLPROPYLAMINE COMPOUND - The present invention provides a method for producing an N-monoalkyl-3-hydroxy-3-arylpropylamine compound represented by Formula (2): | 01-03-2013 |
20130005983 | METHOD FOR PRODUCING 3-HALO-1,2-BENZISOTHIAZOLES - A method for producing a 3-halo-1,2-benzisothiazole represented by the general formula (2): | 01-03-2013 |
20130005982 | NOVEL DIARYL SULFONE COMPOUND, AND MANUFACTURING METHOD FOR SAME - The present invention provides a diaryl sulfone compound represented by Formula (1): | 01-03-2013 |
20120329978 | POLYMER DYE - A polymer dye has repeating units of formula (I): | 12-27-2012 |
20120328862 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprises a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent resin is contained in an amount of from 100 to 1,000 g/m | 12-27-2012 |
20120328861 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprises a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent resin is contained in an amount of from 100 to 1,000 g/m | 12-27-2012 |
20120313058 | COMPOSITION FOR ULTRAVIOLET ABSORBENT SUBSTANCE AND ULTRAVIOLET ABSORBENT SUBSTANCE COMPRISING SAME - A composition for an ultraviolet absorbent substance which comprises at least one metal complex represented by formula (1) and at least one matrix material and/or polymerizable monomer as a precursor of a matrix material, and an ultraviolet absorbent substance comprising the composition: | 12-13-2012 |
20120308799 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprises a structure in which an absorbent layer containing a water-absorbent resin (A) and a water-absorbent resin (B) is sandwiched with fibrous webs from an upper side and a lower side of the absorbent layer, characterized in that the water-absorbent resin (A) and the water-absorbent resin (B) are contained in a total amount of from 100 to 1,000 g/m | 12-06-2012 |
20120301992 | ELECTROLYTE SOLUTION FOR DYE SENSITIZED SOLAR CELL, AND DYE SENSITIZED SOLAR CELL USING SAME - It is to provide an electrolyte solution for a dye sensitized solar cell that does not generate a gas, can be used in a wide temperature range, and is excellent in durability. The electrolyte solution contains a chain sulfone compound represented by formula (1) as a solvent. (In the formula, R | 11-29-2012 |
20120298913 | WATER-ABSORBENT RESIN PARTICLE, METHOD FOR PRODUCTION THEREOF, AND ABSORBENT MATERIAL USING THE SAME - A method for production of a water-absorbent resin particle which is excellent in a particle strength, and in which even after mechanical impact, a particle diameter retaining rate and a retaining rate of water absorption capacity under pressure are high, and an absorbent material using the same particle. The method includes the steps of polymerizing a water-soluble ethylenic unsaturated monomer using a water-soluble radical polymerization initiator, optionally in the presence of a crosslinking agent, to obtain a water-absorbent resin particle precursor, adding a post-crosslinking agent to crosslink a surface of the particle, adding an amorphous silica particle and adjusting the resulting particle to a moisture content of less than 10%, and subsequently adding moisture to adjust a final moisture content of the resulting particle to 10 to 20%. | 11-29-2012 |
20120295103 | PROCESS FOR PRODUCTION OF WATER-ABSORBING RESIN PARTICLES, WATER-ABSORBING RESIN PARTICLES, WATER-STOPPING MATERIAL, AND ABSORBENT ARTICLE - The present invention provides a method for producing water-absorbing resin particles having high equilibrium swelling capacity, a high water-absorption rate or high initial swelling capacity, and an appropriate particle size that achieves good handling performance; water-absorbing resin particles obtained by the method; and a water blocking material and an absorbent article which include the water-absorbing resin particles. | 11-22-2012 |
20120288701 | WATER-ABSORBENT SHEET STRUCTURE - A water-absorbent sheet structure comprises a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent resin is contained in an amount of 10 g/m | 11-15-2012 |
20120255445 | DOUBLE VACUUM PUMP APPARATUS, GAS PURIFICATION SYSTEM PROVIDED WITH DOUBLE VACUUM PUMP APPARATUS, AND EXHAUST GAS VIBRATION SUPPRESSING DEVICE IN DOUBLE VACUUM PUMP APPARATUS - A double vacuum pump apparatus (Y | 10-11-2012 |
20120208926 | POLYOLEFIN-BASED COMPOSITE RESIN SPHERICAL PARTICLES, COATING COMPOSITION, AND COATED OBJECT - The present invention provides a polyolefin-based composite resin spherical particle that gives a coating film having a matte appearance, a soft feeling, and excellent scratch resistance by being used for a coating material. The present invention also provides a coating composition containing the polyolefin-based composite resin spherical particle and a coating resin, and a coated article obtained by applying the coating composition to a substrate. | 08-16-2012 |
20120203191 | WATER-ABSORBENT SHEET - A water-absorbent sheet comprising a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent sheet has a laminate structure in which the absorbent layer is fractionated into a primary absorbent layer and a secondary absorbent layer with a breathable fractionating layer, and wherein at least one sheet out of the nonwoven fabrics is a spunbond nonwoven fabric, and at least a nonwoven fabric at a lower side out of the nonwoven fabrics is a hydrophilic nonwoven fabric. The water-absorbent sheet of the present invention exhibits some effects that a water-absorbent sheet is capable of accomplishing avoidance of gel blocking phenomenon and liquid leakage, while obtaining basic properties as a water-absorbent sheet at a high level, by using specified nonwoven fabrics, and further providing a hydrophilic nonwoven fabric as a lower side of a nonwoven fabric of the absorbent layer of a water-absorbent sheet, even for a water-absorbent sheet containing a very small amount of pulps and being thinner than a conventional product. | 08-09-2012 |
20120149917 | (E)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE AND PROCESS FOR PRODUCING THE SAME AND PROCESS FOR PRODUCING (E,Z)-N-MONOALKYL-3-OXO-3-(2-THIENYL) PROPENAMINE - The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); | 06-14-2012 |
20120136175 | PROCESS FOR PREPARATION OF ALKYL SULFONE COMPOUNDS - An object of the present invention is to provide a method for preparation of an alkyl sulfone compound simply and safely with high yield, and an alkyl sulfone compound. | 05-31-2012 |
20120123066 | METHOD FOR PRODUCING ALIPHATIC POLYCARBONATE - The present invention provides an aliphatic polycarbonate production method which, using carbon dioxide and an epoxide, easily produces aliphatic polycarbonates having a low metal catalyst content. | 05-17-2012 |
20120123015 | WATER-SOLUBLE POLYMER COMPOSITION, COMPOSITION FOR FORMING PLASTER LAYER OF SKIN PATCH, AND SKIN PATCH - The present invention relates to a water-soluble polymer composition which comprises a water-soluble poly(meth)acrylic polymer and a gelation rate retarding agent, and a composition for forming a plaster layer of a skin patch which is obtainable by adding a polyvalent metal compound to the water-soluble polymer composition. When a polyvalent metal compound is added, the aforesaid water-soluble polymer composition shows an appropriate induction period before the start of the hardening of the gel. When the water-soluble polymer composition is used for forming a plaster layer of a skin patch, therefore, additive ingredients can be uniformly mixed and the procedure for coating to a support can be facilitated. | 05-17-2012 |
20120095179 | PYRROLINE-BASED NITROXIDE POLYMER AND BATTERY USING SAME - The present invention provides a pyrroline nitroxide polymer, an electrode active material containing the polymer, and a cell utilizing the electrode active material. | 04-19-2012 |
20120094880 | RESIN COMPOSITION WHOSE LUBRICITY UNDER WET CONDITIONS IS MAINTAINED - Provided is a resin composition that will suffer from little drop of lubricity and will offer good touch feeling even if it is used repeatedly. A resin composition superior in lubricity and touch feeling is produced by melt-mixing a water-soluble polyethylene oxide having a viscosity average molecular weight of 1,000,000 to 6,000,000, a modified polyalkylene oxide obtainable by reacting a polyalkylene oxide, a diol compound, and a diisocyanate compound together, and a thermoplastic resin together. | 04-19-2012 |
20120089108 | WATER ABSORBENT SHEET - A water-absorbent sheet comprising a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with a hydrophilic nonwoven fabric, wherein the water-absorbent sheet has a structure in which the absorbent layer is fractionated into a primary absorbent layer and a secondary absorbent layer with a substrate layer formed by laminating two or more layers of a substrate having breathability adhered together with an adhesive, wherein the substrate layer satisfies the following requirements (1) and (2): (1) the substrate layer having a basis weight of 25 g/m | 04-12-2012 |
20120029456 | WATER-ABSORBENT SHEET - A water-absorbent sheet comprising a structure comprising at least an absorbent layer containing a water-absorbent resin, sandwiched between two or more sheets of a hydrophilic nonwoven fabric, wherein the water-absorbent sheet is subjected to wavy embossing | 02-02-2012 |
20110306797 | SULFONE COMPOUND - It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent thermal stability. | 12-15-2011 |
20110288307 | METHOD FOR MANUFACTURING SULFOLENE COMPOUND AND METHOD FOR MANUFACTURING SULFOLANE COMPOUND - An object of the present invention is to provide a method for manufacturing a sulfolene compound, the method being capable of inhibiting generation of polymers. Another object of the present invention is to provide a method for manufacturing a sulfolane compound, the method being capable of controlling inhibition of hydrogenation catalyst activity and smoothly hydrogenating a sulfolene compound. | 11-24-2011 |
20110276019 | WATER-ABSORBENT SHEET COMPOSITION - A water-absorbent sheet composition ( | 11-10-2011 |
20110270204 | WATER-ABSORBENT SHEET COMPOSITION - A water-absorbent sheet composition containing a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with two or more sheets of hydrophilic nonwoven fabrics, wherein the water-absorbent sheet composition has a structure in which the absorbent layer is separated in divided parts of a primary absorbent layer and a secondary absorbent layer with a water-permeable substrate having a water permeability index of from 20 to 90, and wherein the water-absorbent resin is contained in the absorbent layer in an amount of from 100 to 1000 g/m | 11-03-2011 |
20110257438 | SULFONE COMPOUND - It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent thermal stability. | 10-20-2011 |
20110245575 | PARAFFIN PURIFICATION METHOD AND APPARATUS - A method for purifying a paraffin from a source material containing a paraffin having 2 to 6 carbon atoms and an olefin having 2 to 6 carbon atoms includes a first step of bringing the source material into contact with a silver ion-containing solution (absorption liquid) at a predetermined temperature and pressure in an absorption column | 10-06-2011 |
20110151228 | WATER-ABSORBENT SHEET COMPOSITION - A water-absorbent sheet composition comprising a structure in which a water-absorbent resin and a hot melt adhesive are sandwiched with two or more sheets of hydrophilic nonwoven fabrics, wherein the hydrophilic nonwoven fabrics have a basis weight of 25 g/m | 06-23-2011 |
20110111199 | WATER-ABSORBENT SHEET COMPOSITION - A water-absorbent sheet composition comprising a structure in which a water-absorbent resin and a hot melt adhesive are sandwiched with two or more sheets of hydrophilic nonwoven fabrics, wherein the hydrophilic nonwoven fabrics have a basis weight of 30 g/m | 05-12-2011 |
20110105709 | WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASE - The present invention provides a water-soluble acrylate polymer that makes it possible to obtain a gelling base having a gel strength recited below when the gelling base comprises the components and the proportions thereof listed below;
| 05-05-2011 |
20110090568 | RESIN PARTICLE HAVING MANY RECESSES ON THE SURFACE THEREOF - The present invantion provides a resin particle having many recesses on the surface thereof, which has solvent resistance and heat resistance. More specifically, the present invantion provides a resin particle having many recesses on the surface thereof which is obtained by using a seed particle, wherein a seed particle component in the resin particle has a crosslinked structure. Since the resin particle having many recesses on the surface thereof of the present invention is excellent in solvent resistance and heat resistance in addition to light diffusing properties, the resin particle is appropriate for use, for example, in not only cosmetics containing silicone oil and the like in a preparation, a light diffusing film and a light diffusing sheet prepared by dispersing resin particles as a light diffusing agent in an organic solvent such as 2-butanone and the like in a production process, and a light diffusing plate prepared by kneading at a high shear force the resin patticles as a light diffusing agent with polystyrene or polymethyl methacrylate and the like which melts at a high temperature of approximately 300° C. in a production process. | 04-21-2011 |
20110068300 | WATER-ABSORBING RESIN COMPOUND - The object of the present invention is to provide a water-absorbing resin compound, wherein the water-absorbing resin compound can retain antibacterial properties of an antibacterial metal to suppress the emission of unpleasant odors even when an organic material exists in a system in the case of using an eluting-type antibacterial agent. Thus, the present invention relates to a water-absorbing resin compound, which comprises a water-absorbing resin, an antibacterial agent having a porous material incorporating an antibacterial metal, and a metal chelating agent. Further, the present invention also relates to an absorbing material, which comprises a water-absorbing resin compound of the present invention, and a hydrophilic fiber as well as an absorbing product, which comprises a liquid-permeable sheet and a liquid-non-permeable sheet, and an absorbing material comprising a water-absorbing resin compound of the present invention, and a hydrophilic fiber between the liquid-permeable sheet and the liquid-non-permeable sheet. | 03-24-2011 |
20110021642 | WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASE - An object of the present invention is to provide a water-soluble acrylate polymer that can form a gelling base. When used in forming a poultice or cooling sheet, the gelling base not only imparts desirable stretchability, but also has an appropriate reaction rate with a polyvalent metal. The gelling base is free from gel penetration to the back side of a support or gel seeping from the support while the gel is being cured, and is easily applied to the support. When the gelling base is gelated by being allowed to stand under the conditions of 25° C. and a relative humidity of 60%, the gel strength is 3,200 to 7,000 dyn/cm | 01-27-2011 |
20100331802 | WATER-ABSORBENT RESIN SUITABLE FOR USE IN HYGIENIC MATERIALS - The present invention provides a water-absorbent resin produced by a reversed-phase suspension polymerization method, which contains a small amount of a petroleum hydrocarbon dispersion medium remaining therein used in reversed-phase suspension polymerization, and thus reducing an odor originating from the petroleum hydrocarbon dispersion medium, when the water-absorbent resin absorbs water, and also which is suitable for use in hygienic materials; an absorbent material and an absorbent article. More particularly, the present invention provides a water-absorbent resin obtained by subjecting an aqueous solution of a water-soluble ethylenically unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a surfactant, wherein the amount of the petroleum hydrocarbon dispersion medium remaining in the water-absorbent resin is 2,000 ppm or less; and an absorbent material and an absorbent article using the same. | 12-30-2010 |
20100324299 | METHOD FOR PURIFICATION OF PYRIDINE, AND METHOD FOR PRODUCTION OF CHLORINATED PYRIDINE - A method of purifying crude pyridine on an industrial scale at low cost and in a simple manner is provided. More specifically, a pyridine purification method including subjecting crude pyridine to an alkali treatment and then to distillation, or a pyridine purification method including adding an acid or water to crude pyridine, and subjecting the resulting mixture to an alkali treatment and then to distillation is provided. According to the purification method of the present invention, crude pyridine can be purified on an industrial scale at low cost and in a simple manner. Moreover, the pyridine purified by this method is useful as a starting material for various organic syntheses because of its high purity. For example, the pyridine can be reacted with chlorine to produce a chlorinated pyridine in a high yield. | 12-23-2010 |
20100294130 | METHOD AND APPARATUS FOR SEPARATING HYDROGEN GAS - A hydrogen gas separation method utilizing PSA process employs a plurality of adsorption towers A, B, C loaded with an adsorbent for separating the hydrogen gas from a hydrogen-containing gas mixture, and a cycle including introducing the gas mixture into the adsorption tower, adsorbing unnecessary gas in the gas mixture by the adsorbent, leading out product gas having high hydrogen concentration from the adsorption tower, desorbing the unnecessary gas from the adsorbent, and leading out desorbed gas containing the unnecessary gas and residual gas in the adsorption tower from the adsorption tower, is repeated. The adsorbent includes an activated carbon-based first adsorbent D located on the upstream side of the flow direction of the gas mixture in the adsorption tower with an filling ratio of 60 to 80%, and a zeolite-based second adsorbent E located on the downstream side of the flow direction with filling ratio of 40 to 20%. | 11-25-2010 |
20100273647 | WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAINING HIGH-MOLECULAR COMPOUND, AND ABSORBENT AND ABSORBENT ARTICLE EACH COMPRISING THE SAME - A water-absorbent resin is provided which is suitable for absorbing polymer-containing viscous liquids, wherein the specific surface area measured by the BET multipoint technique using krypton gas as the adsorption gas is no less than 0.05 m | 10-28-2010 |
20100267845 | (METH)ACRYLIC ACID/ALKYL (METH)ACRYLATE ESTER COPOLYMER AND COSMETIC PREPARATION CONTAINING THE SAME - A (meth)acrylic acid/alkyl (meth)acrylate ester copolymer containing constituents of 95.42 to 97.48% by mass of (meth)acrylic acid, 2.43 to 4.30% by mass of an alkyl (meth)acrylate ester of which alkyl group has 18 to 24 carbon atoms, and 0.08 to 0.30% by mass of a compound having two or more ethylenically unsaturated groups; and cosmetics blended with the copolymer. According to the copolymer of the present invention, a neutral viscous aqueous solution having a high viscosity can be formed even in the presence of an electrolyte in a relatively high concentration, without being affected by its temperature and electrolytic concentration; therefore, the copolymer of the present invention can be suitably used in cosmetics and the like. | 10-21-2010 |
20100233621 | PHOTOACID GENERATOR AND PHOTOREACTIVE COMPOSITION - An object of the present invention is to provide photoacid generator, which shows very high sensitivity in the near ultraviolet range of about 300 to 400 nm, and also can remarkably increase a reaction rate of a photoreactive composition using the same, and to provide a photoreactive composition which can initiate the reaction even by irradiation with near ultraviolet light within a short time and also can obtain a desired reaction product. More particularly, the present invention provides a dithienyl sulfide disulfonium salt represented by the formula (A1): | 09-16-2010 |
20100221392 | METHOD FOR FOAMING FOOD BY USING NITROUS OXIDE AS FOAMING AGENT - A container ( | 09-02-2010 |
20100197491 | METHOD FOR PRODUCTION OF WATER-ABSORBABLE RESIN, AND WATER-ABSORBABLE RESIN PRODUCED BY THE METHOD - A method for producing a water-absorbent resin, characterized by adding a bisoxetane compound represented by the following general formula (1): | 08-05-2010 |
20100196763 | GELLING AGENT FOR BATTERIES - The present invention has its object to provide a gelling agent for a battery, which forms a paste gel in a short period of time on dissolution in an alkaline electrolyte. The gel has less bubbles and a high gel density. | 08-05-2010 |
20100168360 | Process for Production of Crosslinked Poly(Meth) Acrylic Acid Nitroxide Compounds - The present invention relates to a crosslinked poly(meth)acrylic acid nitroxide compound resulting from crosslinking of a poly(meth)acrylic acid nitroxide compound, and an object of the present invention is to provide a method of inexpensively and easily producing a crosslinked poly(meth)acrylic acid nitroxide compound having a high radical concentration. | 07-01-2010 |
20100159245 | METHOD FOR PRODUCING GRANULATED CARBOXYL GROUP-CONTAINING POLYMER PARTICLE AND GRANULATED CARBOXYL GROUP-CONTAINING POLYMER PARTICLE - An object of the present invention is to provide a method for easily producing granular carboxyl group-containing polymer particles which have a high bulk density and readily swell in water. | 06-24-2010 |
20100000408 | HYDROGEN GAS SEPARATION METHOD AND SEPARATION APPARATUS - A method is provided for separating hydrogen gas from a mixed gas obtained by autothermal reforming reaction of hydrocarbon-based material in which air is added. In this method, by pressure swing adsorption using adsorption towers (A-C) each filled with an adsorbent, a cycle is repeatedly performed, including an adsorption step of introducing the mixed gas into the adsorption tower to adsorb unnecessary gas contained in the mixed gas by the adsorbent to discharge product gas with high hydrogen gas concentration from the adsorption tower, and a desorption step of desorbing the unnecessary gas from the adsorbent to discharge the unnecessary gas from the adsorption tower. The adsorbent includes a 10 to 50% filling percentage of activated carbon-based first adsorbent (D) arranged in the adsorption tower at an upstream portion in the flow direction of the mixed gas and a 90 to 50% filling percentage of zeolite-based second adsorbent (E) arranged in the adsorption tower at a downstream portion in the flow direction. | 01-07-2010 |
20090326162 | PROCESS FOR PRODUCTION OF WATER-ABSORBABLE RESIN - A method for producing a water-absorbent resin, characterized in that a precursor of the water-absorbent resin obtained by polymerizing a water-soluble ethylenically unsaturated monomer is subjected to a post-crosslinking reaction in the presence of a compound having plural hydrazide groups. The water-absorbent resin obtained by the method for producing a water-absorbent resin of the present invention is excellent in properties such as water-retention capacity, water-absorption capacity under load, and gel strength, and also gives consideration to safety of the water-absorbent resin by reducing water-soluble substance. Therefore, the water-absorbent resin of the present invention can be suitably used, for example, in hygienic materials such as disposable diaper, incontinence pad and sanitary napkin, in particular, in disposable diaper. | 12-31-2009 |
20090306304 | CROSSLINKED (METH)ACRYLIC ACID COPOLYMER AND SECONDARY-CELL ELECTRODE EMPLOYING THE SAME - It is an object of the present invention to provide a crosslinked (meth)acrylic acid-type copolymer excellent in stability to a solvent, which causes substantially no crack due to drying when applied onto the surface of a current collector, and a secondary-cell electrode using the copolymer. | 12-10-2009 |
20090292078 | WATER-SOLUBLE COPOLYMER HAVING ALKYL-MODIFIED CARBOXYL GROUPS - The present invention provide a water-soluble copolymer having alkyl-modified carboxyl groups which is able to produce a neutralized viscous liquid in which although its viscosity is very low when no electrolyte exists, the viscosity greatly increases when electrolytes are added, which has a sufficiently high viscosity and a very high transmittance and which has moist textures without stickiness even in the presence of a relatively high concentration of electrolytes, and a thickening agent comprising the same. More specifically, the present invention proves a water-soluble copolymer having alkyl-modified carboxyl groups which is obtained by polymerizing 100 parts by weight of (meth)acrylic acid, 5-10 parts by weight of lauryl (meth)acrylate, and 0-0.1 parts by weight of a compound having two or more of ethylenic unsaturated groups, wherein a 1 weight %-neutralized viscous liquid shows a viscosity of 1000 mPa·s or lower and a transmittance of 95% or higher, and when 1-7 parts by weight of sodium chloride is added to 100 parts by weight of the neutralized viscous liquid, the liquid shows a highest viscosity of 10000-30000 mPa·s and a transmittance of 95% or higher, and a thickening agent comprising the same. | 11-26-2009 |
20090281247 | PROCESS FOR PRODUCTION OF WATER-ABSORBABLE RESIN PARTICLE, AND WATER-ABSORBABLE RESIN PARTICLE PRODUCED BY THE PROCESS - The present invention relates to a method of producing water-absorbent resin particles in which a median particle size of primary particles (d) and a median particle size of secondary particles (D) satisfy the relationship of the formula, 5d/3+15011-12-2009 | |
20090250182 | Papermaking Method and Papermaking System - A papermaking method according to this invention is carried out using a paper machine provided with a head box ( | 10-08-2009 |
20090240025 | Organic Zinc Catalyst, and Process for Production of Poly(Alkylene Carbonate) Using the Same - The present invention has for its object to provide a novel organic zinc catalyst showing very high polymerizing activity in the reaction for producing a poly(alkylene carbonate) from carbon dioxide and an epoxide as well as a method of producing a poly(alkylene carbonate) using the same. | 09-24-2009 |
20090238749 | Method for purification of nitrogen oxide and apparatus for purfication of nitrogen oxide - A nitrogen oxide purifying apparatus includes a gas absorption vessel ( | 09-24-2009 |
20090182092 | PROCESS FOR PRODUCTION OF WATER-ABSORBENT RESIN - A purpose of the present invention is to reduce odor of a water-absorbent resin during absorption of water. Such the invention is attained by a process for production of a water-absorbent resin by subjecting a water-soluble ethylenically unsaturated monomer to reversed-phase suspension polymerization. The process comprises the following steps (A) to (C): (A) adding an aqueous solution of water-soluble ethylenically unsaturated monomer to a petroleum hydrocarbon dispersion medium to disperse the aqueous solution in the dispersion medium; (B) adding a surfactant to the emulsion to further disperse the emulsion; and (C) performing the reversed-phase suspension polymerization using a water-soluble radical polymerization initiator, optionally in the presence of an internal-crosslinking agent. | 07-16-2009 |
20090173171 | Sample Introducing System - In a sample introducing system that can be easily adapted to a variety of analytical conditions without being affected by a flow rate of gas introduced into an analytical device, can introduce an analytical sample into the analytical device without loss, and can contribute to a simple and highly accurate high-sensitivity analysis, a pretreatment device removes unnecessary components from an untreated sample gas containing the analytical sample. A treated sample gas that has been pretreated by the pretreatment device is introduced into the analytical device via a connection gas flow channel. A gas addition device that adds a carrier gas to the treated sample gas flowing toward the analytical device in the connection gas flow channel has a means for changing the addition flow rate of the carrier gas. Pressure fluctuations of the gas containing the analytical sample are restricted by a pressure adjusting device upstream of the gas addition device. | 07-09-2009 |
20090149593 | AQUEOUS ETHYLENE/VINYL ALCOHOL COPOLYMER DISPERSION - It is an object of the present invention to provide an aqueous ethylene-vinyl alcohol-based copolymer dispersion which is excellent in long-term storage stability and in film-forming properties even when subjected to low-temperature or short-time drying or applied to give thick coats and can give coatings showing high gas barrier performance. The prevent invention is an aqueous ethylene/vinyl alcohol-based copolymer dispersion, which comprises: (A) an ethylene/vinyl alcohol-based copolymer with an ethylene content of 15-65 mole percent and a degree of saponification of not lower than 80 mole percent, (B) a base-neutralized ethylene/α,β-unsaturated carboxylic acid-based copolymer and (C) a polyvinyl alcohol with a degree of saponification of 75-100 mole percent and a degree of polymerization of 100-3500, the content of the polyvinyl alcohol (C) being 0.5-100 parts by weight per 100 parts by weight of the ethylene/vinyl alcohol-based copolymer (A). | 06-11-2009 |
20090148381 | METHOD FOR TREATMENT OF DRAIN IN HYDROGEN PRODUCTION AND HYDROGEN PRODUCTION SYSTEM - A method for treating drain in hydrogen production includes steps of gasifying in a gasifier ( | 06-11-2009 |
20090137823 | (E)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine and Process for Producing the Same and Process for Producing (E,Z)-N-Monoalkyl-3-Oxo-3-(2-Thienyl) Propenamine - The present invention provides a process for producing (E)-N-monoalkyl-3-oxo-3-(2-thienyl)propenamine represented by Formula (1); | 05-28-2009 |
20090137820 | PROCESS FOR PRODUCTION OF METHYLENE DISULFONATE COMPOUND - The present invention provides a process for producing a methylene disulfonate compound in a simple manner at low cost. | 05-28-2009 |
20090136736 | WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAINING HIGH-MOLECULAR COMPOUND, AND ABSORBENT AND ABSORBENT ARTICLE EACH COMPRISING THE SAME - A water-absorbent resin is provided which is suitable for absorbing polymer-containing viscous liquids, wherein the specific surface area measured by the BET multipoint technique using krypton gas as the adsorption gas is no less than 0.05 m | 05-28-2009 |
20090104084 | HYDROGEN PRODUCTION SYSTEM AND METHOD OF CONTROLLING FLOW RATE OF OFFGAS IN THE SYSTEM - A hydrogen manufacturing system for performing offgas flow control includes: a vaporizer ( | 04-23-2009 |
20090082590 | 4-Mercaptophenyl ester of acetic acid and process for producing the same - The present invention provides a 4-mercaptophenyl ester of acetic acid, which is useful as a raw material for synthesizing a developer, etc., and a process for producing the same. The present invention provides a 4-mercaptophenyl ester of acetic acid represented by Formula (1); | 03-26-2009 |
20090036644 | METHOD OF REMOVING RESIDUAL ETHYLENE OXIDE MONOMER IN POLYETHYLENE OXIDE - The present invention relates to a method of removing a residual ethylene oxide monomer in polyethylene oxide used as a raw material for pharmaceutical preparations. More particularly, the method of the present invention comprises retaining high-molecular weight polyethylene oxide particles at a temperature not higher than a crystal melting point of the polyethylene oxide in the absence of an aggregation inhibitor under an atmospheric pressure in the standing state and, then, cooling the particles to 40° C. or lower under an atmospheric pressure and in the standing state, thereby, reducing a residual ethylene oxide monomer concentration to 1 ppm or lower without influencing on physical properties such as a specific surface area of the high-molecular weight polyethylene oxide particles. | 02-05-2009 |
20080319149 | Method for Producing Crosslinked Poly (Meth) Acrylate Compound - It is an object of the invention to provide a method of producing a crosslinked poly(meth)acrylic acid compound, in particular a method of producing a crosslinked poly(meth)acrylic acid nitroxide compound, which is a radical compound excellent in solvent stability. | 12-25-2008 |
20080280154 | Process for Producing Water-Absorbing Resin Particles, Water-Absorbing Resin Particles Made by the Process, and Absorbent Materials and Absorbent Articles Made by Using the Particles - The present invention provides a process for producing water-absorbing resin particles which possess a high water retention capacity (absorbing capacity), a high water-absorbing capacity under pressure, and a high gel strength and a small amount of water-soluble substance and is favorably usable in sanitary materials; water-absorbing resin particles obtained by the process; and absorbent materials and absorbent articles made by using the particles. More specifically, the water-absorbing resin particles are produced by a process for producing water-absorbing resin particles, comprising a step of a post-crosslinking reaction by adding a post-crosslinking agent in at least two stages to a water-absorbing resin particle precursor obtained by polymerization of a water-soluble ethylenic unsaturated monomer to carry out the post-crosslinking reaction. | 11-13-2008 |