Abstract: A wire covering material and a covered wire using the wire covering material is provided, wherein the wire covering material is formed by molding a vinyl chloride based resin composition which includes 0.1 parts by mass to 20 parts by mass of (B) and 10 parts by mass to 150 parts by mass of (C) based on 100 parts by mass of (A), and which is excellent in surface smoothness even when manufactured under high linear speed production condition. (A) A vinyl chloride based resin; (B) A powdery processing aid including an alkyl methacrylate based copolymer which is obtained by polymerizing a 10 mass % to 100 mass % of an alkyl methacrylate for which the alkyl group of the alkyl ester part includes a straight chain or branched alkyl group having 3 to 5 carbons, 0 mass % to 90 mass % of a methyl methacrylate, and 0 to 20 mass % of other copolymerizable monomer. (C) A plasticizer.

Abstract: The invention provides a flexible vinyl chloride resin composition, a molded product obtained from the resin composition, an electric wire coating material, and an electric wire coated by the electric wire coating material. In the flexible vinyl chloride resin composition, based on 100 parts by mass of (A), the content of (B) is 0.1 parts by mass to 20 parts by mass and the content of (C) is 10 parts by mass to 150 parts by mass. A molded product having excellent surface smoothness and excellent flexibility can be obtained via the flexible vinyl chloride resin composition even under the condition of high production speed.

Abstract: The membrane electrode assembly (MEA) of the present invention is a fuel cell MEA including an anion exchange membrane and a catalyst layer disposed on the surface of the membrane. In the MEA, the anion exchange membrane is an anion-conducting polymer electrolyte membrane in which a graft chain having anion conducting ability is graft-polymerized on a substrate formed of a skived film of ultra-high molecular weight polyolefin. This MEA has various superior properties for achieving an improvement in the power output of an anion exchange PEFC compared to conventional MEAs.

Abstract: The present invention provides a novel polyimide containing a diamine component that has a fluorene skeleton having a sulfonic acid group or a derivative thereof, and a novel polyimide-based polymer electrolyte membrane containing this polyimide as a main component and having properties based on this polyimide (for example, a good balance between the resistance to methanol crossover and the proton conductivity). The polyimide of the present invention contains a structural unit (P) represented by the following formula (1). The polymer electrolyte membrane of the present invention contains this polyimide as a main component.

Abstract: The method for producing an anion exchange membrane according to the present invention includes the steps of irradiating a substrate composed of a hydrocarbon polymer with radiation and heat-treating the irradiated substrate so as to form a crosslinked structure between chains of the hydrocarbon polymer contained in the substrate; further irradiating the substrate, in which the crosslinked structure has been formed, with radiation and graft-polymerizing, onto the irradiated substrate, a monomer containing a site into which a functional group having anion conducting ability can be introduced and an unsaturated carbon-carbon bond so as to form a graft chain composed of the polymerized monomer; and introducing the functional group having anion conducting ability into the site of the formed graft chain.

Abstract: Provided is a polyimide-based proton-conductive polymer electrolyte membrane having high methanol permeation resistance property (methanol blocking property). The proton-conductive polymer electrolyte membrane includes, as a main component, a polyimide resin formed by polycondensation of a tetracarboxylic dianhydride, a first aromatic diamine having a proton-conductive group, and a second aromatic diamine having no proton-conductive group. The second aromatic diamine has a fused ring skeleton composed of three or more rings. This electrolyte membrane is suitable for use in a polymer electrolyte fuel cell (PEFC), in particular in a direct methanol fuel cell (DMFC).

Abstract: Disclosed is a production method including the steps of: graft-polymerizing a first monomer onto a polymer substrate so as to form a first graft polymer; and graft-polymerizing a second monomer onto the first graft polymer so as to form a second graft polymer. The first monomer contains a polar group. The second monomer contains at least one selected from the group consisting of an ion-conducting group and a site into which an ion-conducting group can be introduced. The second monomer has a higher polarity than the first monomer.

Abstract: A method of the present invention for producing an anion exchange membrane includes the steps of: (i) irradiating a first polymer film with radiation; and (ii) graft-polymerizing a monomer containing a site into which a functional group having anion conducting ability can be introduced and an unsaturated carbon-carbon bond onto the radiation-irradiated first polymer film so as to form a second polymer film containing grafted chains. This method further includes the subsequent steps of: (a) subjecting the second polymer film to a treatment including irradiation with radiation so as to introduce a crosslinked structure into the grafted chains; and (b) introducing the functional group having anion conducting ability into the site.

Abstract: An oral disintegrating tablet containing (1) D-mannitol, (2) an active ingredient, (3) one or more disintegrating agents selected from the group consisting of crospovidone and carmellose, and (4) one or more lubricants selected from the group consisting of sodium stearyl fumarate and sucrose esters of fatty acids. The oral disintegrating tablet of the present invention has some excellent properties of (1) allowing easy production in a common facility without necessitating a specialized pharmaceutical technique, (2) having an appropriate strength that does not breakdown in the process of distribution, (3) having a fast disintegrating ability in the oral cavity, and (4) also having excellent ingestion feel such as greatly reduced bitterness or gritty feel; therefore, the tablet can be suitably used as a dosage form that is suitable for aged individuals, children, and seriously ill patients.

Abstract: An oral disintegrating tablet containing (1) D-mannitol, (2) an active ingredient, (3) one or more disintegrating agents selected from the group consisting of crospovidone and carmellose, and (4) one or more lubricants selected from the group consisting of sodium stearyl fumarate and sucrose esters of fatty acids. The oral disintegrating tablet of the present invention has some excellent properties of (1) allowing easy production in a common facility without necessitating a specialized pharmaceutical technique, (2) having an appropriate strength that does not breakdown in the process of distribution, (3) having a fast disintegrating ability in the oral cavity, and (4) also having excellent ingestion feel such as greatly reduced bitterness or gritty feel; therefore, the tablet can be suitably used as a dosage form that is suitable for aged individuals, children, and seriously ill patients.

Abstract: The present invention provides a carbon dioxide separation membrane having a grafted chain into which a substituent having high selective affinity for carbon dioxide is introduced and thus having high carbon dioxide separation capability. The present invention is a method for producing a carbon dioxide separation membrane. This method includes the steps of: (1) irradiating a polymer film with radiation; (2) forming, in the irradiated polymer film, a grafted chain containing a repeating unit of a monomer having a substituent capable of forming a salt with a fluoride ion; and (3) subjecting the substituent capable of forming a salt with a fluoride ion to treatment with a fluoride salt so as to form a salt with a fluoride ion in the substituent.

Abstract: The present invention provides a tablet having improved dissolution property, which comprises (+)-3-{1-[3-(trifluoromethoxy)benzyl]piperidin-4-yl}-4-phenyl-3,4-dihydro-2(1H)-quinazolinone or a pharmaceutically acceptable salt thereof as an active component, and a production method thereof. A film-coated tablet obtained by mixing granulated particles obtained by granulating a mixture containing (a) the aforementioned active component, (b) one or more kinds of fillers selected from lactose, D-mannitol, erythritol and crystalline cellulose, (c) a cellulose-based disintegrant and (d) a water-soluble binder with a later powder containing (e) one or more kinds of fillers selected from lactose, D-mannitol and crystalline cellulose and/or (f) a cellulose-based disintegrant, forming the mixture, and applying film coating.

Abstract: The present invention provides a tablet having improved dissolution property, which comprises (+)-3-{1-[3-(trifluoromethoxy)benzyl]piperidin-4-yl}-4-phenyl-3,4-dihydro-2(1H)-quinazolinone or a pharmaceutically acceptable salt thereof as an active component, and a production method thereof. A film-coated tablet obtained by mixing granulated particles obtained by granulating a mixture containing (a) the aforementioned active component, (b) one or more kinds of fillers selected from lactose, D-mannitol, erythritol and crystalline cellulose, (c) a cellulose-based disintegrant and (d) a water-soluble binder with a later powder containing (e) one or more kinds of fillers selected from lactose, D-mannitol and crystalline cellulose and/or (f) a cellulose-based disintegrant, forming the mixture, and applying film coating.

Abstract: Provided are a polymer electrolyte membrane exhibiting a relatively high ion conductivity, and a method for producing the polymer electrolyte membrane. The polymer electrolyte membrane of the present invention is an ion-conducting polymer electrolyte membrane including a polymer. The polymer includes a hydrophobic main chain and side chains bonded to the main chain. Each of the side chains includes a hydrophobic main chain portion and a plurality of side chain portions bonded to the main chain portion. Each of the side chain portions includes a hydrophobic first portion bonded to the main chain portion, and a second portion bonded to the first portion. The second portion includes an ion-conducting group.

Abstract: The invention discloses a cross-linked polymer particle for an epoxy resin, an epoxy resin composition containing the cross-linked polymer particle, the epoxy resin and a curing agent, and an epoxy cured material having qualities of colorless transparency and crack resistance as a result of curing the resin composition. The cross-linked polymer particle for the epoxy resin contains a (meth)acrylate monomer unit and a crosslinking monomer unit, wherein a volume average primary particle diameter is 0.5 to 10 ?m, and a glass transition temperature of the monomer components excluding the crosslinking monomer is 30° C. or more by FOX formula calculation, and the refractivity at 23° C. is 1.490 to 1.510.

Abstract: The present invention provides a novel polyimide containing a diamine component that has a fluorene skeleton having a sulfonic acid group or a derivative thereof, and a novel polyimide-based polymer electrolyte membrane containing this polyimide as a main component and having properties based on this polyimide (for example, a good balance between the resistance to methanol crossover and the proton conductivity). The polyimide of the present invention contains a structural unit (P) represented by the following formula (1). The polymer electrolyte membrane of the present invention contains this polyimide as a main component.

Abstract: An electrolyte membrane (1) includes a base material layer (1) containing a hydrocarbon-based electrolyte as a main component, and a surface layer (5) laminated with the base material layer (1). The surface layer (5) is a layer containing, as a main component, a polymeric material having a hydroxyl group and a proton conductive group. The polymeric material that constitutes the surface layer (5) contains, for example, a first polymer having a hydroxyl group, and a second polymer having a proton conductive group. A matrix is formed by cross-linking the first polymer, and the second polymer can be held in the matrix.

Abstract: Ion conductive organic-inorganic composite particles are particles that have an organic group on the surface of inorganic particles and have at least a configuration that does not allow the inorganic particles to contact with each other by steric hindrance of the organic group, the organic group containing an ion conductive group.

Abstract: The present invention provides a novel polyimide containing a diamine component having a fluorene skeleton and a novel polyimide-based polymer electrolyte membrane containing this polyimide as a main component and having properties based on this polyimide (for example, high resistance to methanol crossover). The polyimide of the present invention contains a structural unit (P) represented by the following formula (1). The polyimide-based polymer electrolyte membrane of the present invention contains the polyimide of the present invention as a main component.

Abstract: The present invention provides a permeable member which can attain both a pullout strength and following property (sealing property) and provides a permeable casing and an electrical component using the permeable member. The present invention includes a permeable film through which a gas passing an opening passes when the permeable film is fixed to the opening of a casing, and a tubular support that supports the permeable film. The support includes a first resin part that contacts the casing with the support fixed to the opening, and a second resin part composed of a material having a higher elastic modulus than that of a material constituting the first resin part, and the first resin part and the second resin part are laminated at least partly in a transverse section of the support.