MATSUMOTO YUSHI-SEIYAKU CO., LTD. Patent applications |
Patent application number | Title | Published |
20150044125 | ACRYLIC-FIBER FINISH FOR CARBON-FIBER PRODUCTION, ACRYLIC FIBER FOR CARBON-FIBER PRODUCTION, AND CARBON-FIBER PRODUCTION METHOD - An acrylic-fiber finish for carbon fiber production is prepared into a stable emulsion and applied to a carbon-fiber precursor to prevent gumming up of finish components in precursor production and carbon fiber fusing in baking process. The acrylic-fiber finish is used for carbon-fiber production and includes a modified silicone having a modifying group containing a nitrogen atom and an acidic phosphate ester represented by the following chemical formula (1). | 02-12-2015 |
20130123407 | SIZING AGENT FOR REINFORCEMENT FIBERS, SYNTHETIC FIBER STRAND, AND FIBER-REINFORCED COMPOSITE - A sizing agent for reinforcement fibers which imparts good bonding performance to a reinforcement fiber is used to reinforce thermoplastic matrix resin, and provide a synthetic fiber strand applied with the sizing agent and a fiber-reinforced composite reinforced with the synthetic fiber strand. The sizing agent essentially contains a neutralization product of a modified polypropylene resin and an amine compound having at least two hydroxyl groups or amino groups in the molecule, and the nonvolatile component of the sizing agent exhibits an endothermic heat of fusion not higher than 50 J/g in determination with a differential scanning calorimeter (DSC). | 05-16-2013 |
20130030065 | HEAT-EXPANDABLE MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME - A method that produces heat-expandable microspheres includes the use of a shell of thermoplastic resin and a non-fluorine blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin. The method includes a step of dispersing an oily mixture containing a polymerizable component, the blowing agent, and a polymerization initiator containing a peroxydicarbonate in an aqueous dispersing medium to polymerize the polymerizable component contained in the oily mixture. The resultant heat-expandable microspheres have a shell which is less apt to become thinner than its theoretical value, contain minimum amount of resin particle inside their shell, and have excellent heat-expanding performance. | 01-31-2013 |
20120121907 | THERMALLY EXPANDED MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME - The present invention provides heat-expanded microspheres having high packing efficiency, and a production method thereof. The heat-expanded microspheres are produced by expanding heat-expandable microspheres, which comprise shell of thermoplastic resin and a blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin and have an average particle size from 1 to 100 micrometer, at a temperature not lower than their expansion initiating temperature, and the heat-expanded microspheres result in a void fraction not higher than 0.70. | 05-17-2012 |
20120080131 | HEAT-EXPANDABLE MICROSPHERES AND HOLLOW FINE PARTICLES AND METHOD FOR PRODUCING THE SAME AS WELL AS TIRE/RIM ASSEMBLY - In heat-expandable microspheres as a starting material for hollow fine particles, which have excellent performances required for giving not only a durability in steady running region but also a durability in high-speed running region to a tire-rim assembly, and each consisting of an outer shell made of a thermoplastic resin obtained by polymerizing a monomer component in the presence of a polymerization initiator, and a foaming agent encapsulated in the outer shell and having a boiling point not higher than a softening point of the thermoplastic resin, the polymerization initiator comprises a peroxydicarbonate as an essential component, and the foaming agent comprises a fluorine-containing compound having an ether structure and a carbon number of 2-10 and containing no chlorine atom and bromine atom. | 04-05-2012 |
20120064347 | HEAT-EXPANDABLE MICROSPHERES AND A METHOD OF MAKING HEAT-EXPANDABLE MICROSPHERES AND APPLICATION THEREOF - Heat-expandable microspheres having high heat resistance and high solvent resistance, a production process thereof include a shell of a thermoplastic resin and a thermally vaporizable blowing agent being encapsulated therein. The thermoplastic resin includes a copolymer produced by polymerizing a polymerizable component containing a carboxyl-group-containing monomer. The surface of the heat-expandable microspheres is treated with an organic compound containing a metal of the Groups from 3 to 12 in the Periodic Table. | 03-15-2012 |
20120021125 | ACRYLIC-FIBER FINISH, ACRYLIC FIBER FOR CARBON-FIBER PRODUCTION, AND CARBON-FIBER PRODUCTION METHOD - An acrylic-fiber finish for use in carbon-fiber production contributes to high tenacity of resultant carbon fiber. The acrylic-fiber finish for carbon-fiber production includes an epoxy-polyether-modified silicone and a surfactant. The weight ratios of the epoxy-polyether-modified silicone and the surfactant in the total of the non-volatile components of the finish respectively range from 1 to 95 wt % and from 5 to 50 wt %. The carbon fiber production method includes a fiber production process for producing an acrylic fiber for carbon-fiber production by applying the finish to an acrylic fiber which is a basic material for the acrylic fiber for carbon-fiber production; an oxidative stabilization process for converting the acrylic fiber produced in the fiber production process into oxidized fiber in an oxidative atmosphere at 200 to 300 deg.C.; and a carbonization process for carbonizing the oxidized fiber in an inert atmosphere at 300 to 2,000 deg.C. | 01-26-2012 |
20100288406 | PNEUMATIC TIRE - Provided is a pneumatic tire whose frictional force on ice is improved by satisfactorily forming resin-encapsulated cells from heat-expandable microcapsules, even when a tread rubber contains silica. The tire is characterized in that: the tread rubber is made of a rubber composition containing 100 parts by weight of a diene rubber, 30 to 100 parts by weight of a reinforcing filler including at least 10 parts by weight of silica, and 1 to 20 parts by weight of microcapsules each encapsulating a heat-expandable substance; a sulfur-containing silane coupling agent is mixed in the rubber composition in an amount of 3 to 15 wt. % based on the weight of the silica; a shell material of each microcapsule is made of a thermoplastic resin which essentially contains a nitrile monomer (I); a vapor pressure of the heat-expandable substance is set at 1.4 to 3.0 MPa at 150° C.; an average particle diameter of the microcapsules is set at 20 to 30 μm before vulcanization of the rubber composition; an average particle diameter of the microcapsules expanded due to the vulcanization is set at 40 to 80 μm; and thus, a proportion of an area occupied by the cells in the tread rubber is set at 5 to 30%. | 11-18-2010 |
20100204349 | HEAT-EXPANDABLE MICROSPHERES, PROCESS FOR PRODUCING THE SAME, AND APPLICATION THEREOF - Heat-expandable microspheres include a shell of thermoplastic resin and core material encapsulated in the shell. The core material include a blowing agent having a boiling point not higher than the softening point of the thermoplastic resin and a gas migration inhibitor having a boiling point higher than the softening point of the thermoplastic resin. The ratio of the gas migration inhibitor to the core material is at least 1 weight percent and below 30 weight percent. The average particle size of the heat-expandable microspheres ranges from 1 to 100 micrometers. | 08-12-2010 |
20100199624 | FINISH FOR SYNTHETIC FILAMENT YARN PROCESSED IN FRICTION FALSE-TWIST TEXTURING AND APPLICATION THEREOF - The present invention aims to provide a finish for synthetic filament yarn processed in friction false-twist texturing, which decreases broken filaments and ends down in false-twist texturing with a synthetic filament yarn applied with the finish, finish-application emulsion of the finish, synthetic filament yarn applied with the emulsion, manufacturing process of the synthetic filament yarn, and resultant yarns. | 08-12-2010 |
20100120929 | METHOD FOR PRODUCING HEAT-EXPANDABLE MICROSPHERES AND APPLICATION THEREOF - A production method for heat-expandable microspheres, which have high expanding ratio and are thermally expanded into hollow particulates having excellent repeated-compression durability, and application thereof are provided. The method produces heat-expandable microspheres a shell of thermoplastic resin and a blowing agent being encapsulated therein and having a boiling point not higher than the softening point of the thermoplastic resin. | 05-13-2010 |
20100035493 | Fabric treating agent, process for producing fabric, and fabric for vehicle interior materials - The object of the present invention is to provide a fabric treating agent to satisfy good sewability required to interior material fabrics for vehicles including automobiles and trains, the good sewability which arises from the trend toward ultrafiner fibers for manufacturing the fabrics, change in fabric structure from weave to knit, and increasing sewing machine speed. | 02-11-2010 |
20090280328 | THERMALLY EXPANDED MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME - The present invention provides heat-expanded microspheres having high packing efficiency, and a production method thereof. The heat-expanded microspheres are produced by expanding heat-expandable microspheres, which comprise shell of thermoplastic resin and a blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin and have an average particle size from 1 to 100 micrometer, at a temperature not lower than their expansion initiating temperature, and the heat-expanded microspheres result in a void fraction not higher than 0.70. | 11-12-2009 |
20090263576 | FINISH FOR ACRYLIC FIBER PROCESSED INTO CARBON FIBER, AND CARBON FIBER MANUFACTURING METHOD THEREWITH - A finish for acrylic fiber to be processed into carbon fiber includes an ester compound having at least three ester groups in its molecule and a silicone compound, wherein the silicone compound constitutes 10 to 50 weight percent of the whole of the nonvolatile matter of the finish. A method of manufacturing carbon fiber includes the processes of applying the finish for acrylic fiber to be processed into carbon fiber to acrylic fiber to be processed into carbon fiber; oxidative-stabilizing the finish-applied acrylic fiber in an oxidizing atmosphere at 200 to 300 deg. C. to convert the fiber into oxidized fiber; and carbonizing the oxidized fiber in an inert atmosphere at 200 to 3000 deg. C. | 10-22-2009 |
20090176098 | HEAT-EXPANDABLE MICROSPHERES AND A PROCESS FOR PRODUCING THE SAME - A method that heat-expandable microspheres includes the use of a shell of thermoplastic resin and a non-fluorine blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin. The method includes a step of dispersing an oily mixture containing a polymerizable component, the blowing agent, and a polymerization initiator containing a peroxydicarbonate in an aqueous dispersing medium to polymerize the polymerizable component contained in the oily mixture. The resultant heat-expandable microspheres have a shell which is less apt to become thinner than its theoretical value, contain minimum amount of resin particle inside their shell, and have excellent heat-expanding performance. | 07-09-2009 |
20090149559 | HEAT-EXPANDABLE MICROSPHERES, METHOD FOR PRODUCING THE SAME, AND APPLICATION THEREOF - Heat-expandable microspheres include a shell of thermoplastic resin and a blowing agent encapsulated therein having a boiling point not higher than the softening point of the thermoplastic resin, have a maximum expanding ratio not lower than 50 times, and are thermally expanded into hollow particulates having a repeated-compression durability not lower than 75 percent. The method of producing the heat-expandable microspheres includes the steps of dispersing an oily mixture containing a polymerizable component and the blowing agent in an aqueous dispersing medium containing a specific water-soluble compound and polymerizing the polymerizable component contained in the oily mixture. | 06-11-2009 |
20090105394 | RUBBER COMPOSITION FOR TIRE - A rubber composition for a tire containing (i) 100 parts by weight of a diene-based rubber and (ii) 0.5 to 25 parts by weight of a heat-expandable microcapsule including a shell, and a substance capable of vaporizing or expanding under heating to thereby generate a gas and a nonpolar oil, both encapsulated in the shell, | 04-23-2009 |