Abstract: Provided is a polyamide elastomer composition having excellent stability in various molding and excellent dyeing properties as well as excellent color fastness properties. A polyamide elastomer composition which comprises a polyamide elastomer and a phosphorous acid compound, wherein the polyamide elastomer comprises constituent units 1 derived from a diamine compound represented by the formula (1) below, constituent units 2 derived from an aminocarboxylic acid compound represented by the formula (2) below or a lactam compound represented by the formula (3) below, and constituent units 3 derived from a dicarboxylic acid compound represented by the formula (4) below, wherein the content of the phosphorous acid compound in the polyamide elastomer is 0.02 to 0.15% by mass, and wherein the polyamide elastomer has a terminal amino group concentration of 2.
Abstract: Provided is a polyamide resin composition which comprises a polyamide resin (A) and an impact-resistant material (B), wherein the polyamide resin (A) comprises an aliphatic copolyamide (A-1) comprising three or more types of monomers and an aliphatic polyamide (A-2), wherein the content of the aliphatic copolyamide (A-1) in the polyamide resin composition is 1% by mas to 30% by mass.
Abstract: A polyimide precursor comprising a repeating unit represented by the following chemical formula (1): in which A is a divalent group of an aromatic diamine or an aliphatic diamine, from which amino groups have been removed; and X1 and X2 are each independently hydrogen, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms, wherein the polyimide precursor comprises at least one type of repeating unit represented by the chemical formula (1) in which A is a group represented by chemical formula (2) or (3): in which m independently represents 0 to 3 and n independently represents 0 to 3; Y1, Y2 and Y3 each independently represent at least one selected from the group consisting of hydrogen atom, methyl group and trifluoromethyl group; and Q and R each independently represent direct bond, or at least one of —NHCO—, —CONH—, —COO— and —OCO—, in which Z and W each independently represent a divalent aromatic group having 6 to 18 carbon atoms; and Y4 rep
Abstract: Disclosed are a non-aqueous electrolytic solution, which can improve cycle characteristics when a power storage device is used at high temperature and high voltage, and a power device using the same. The non-aqueous electrolytic solution according to the present invention comprises, in addition to a non-aqueous solvent and an electrolyte salt dissolved therein, a compound represented by the following formula (I): wherein n is an integer of 1 or 2; and when n is 1, L represents a straight or branched unsaturated hydrocarbon group of which at least one hydrogen atom is optionally substituted by a halogen atom, a cycloalkyl group of which at least one hydrogen atom is optionally substituted by a halogen atom, or an aryl group of which at least one hydrogen atom is optionally substituted by a halogen atom; and when n is 2, L represents a saturated or unsaturated divalent hydrocarbon group which optionally contains ether bond(s), or an arylene group.
Abstract: The present invention provides the pharmaceutical use of LPA1 antagonists, for example, ?-halogenated thiophene compounds having a specific structure or pharmacologically acceptable salts thereof, as drugs for the treatment and/or prevention of NASH. A pharmaceutical composition for the treatment and/or prevention of NASH includes, as an active ingredient, an LPA1 antagonist, for example, a compound represented by the general formula (I): wherein R1 is a hydrogen atom or a methoxy group, R2 is a hydrogen atom or a C1-C6 alkyl group, X is a halogen atom, and A is a group selected from the group consisting of groups: , or a pharmacologically acceptable salt thereof.
Abstract: Provided is a method for efficiently producing a levulinic acid ester from a cellulose-containing raw material or a carbohydrate-containing raw material in an alcohol solvent using an inexpensive, easily available catalytic system. In a method for producing a levulinic acid ester by reacting at least one of a cellulose-containing raw material and a carbohydrate-containing raw material in the presence of an alcohol and a catalyst, use is made of, as a catalyst, a combination of: at least one metal compound (exclusive of gallium acetylacetonate and indium acetylacetonate) selected from the group consisting of hydroxide salts, sulfates, nitrates, carboxylates, alkoxides, acetylacetonates, and oxides of at least one metal selected from the group consisting of metals belonging to Group XIII and Group XIV of the Periodic Table; and an organic sulfonic acid.
February 1, 2016
Date of Patent:
December 11, 2018
UBE INDUSTRIES, LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
Abstract: A method for forming a conductor layer, including subjecting a surface of a polyimide film where a polyimide layer (a) is formed to polyimide etching treatment, to remove at least part of the polyimide layer (a), the polyimide film having the polyimide layer (a) formed on one surface or both surfaces of a polyimide layer (b); and then forming a conductor layer on the surface, such that the polyimide etching treatment time T (min), which is represented using t (min) defined by the formula as described below, is within the range of 0.2t?T?5t.
Abstract: Provided is a compound represented by formula (I) or a pharmacologically acceptable salt thereof: wherein L1 is an optionally substituted C1-6 alkylene group or the like, L2 is a single bond or the like, L3 is a single bond or the like, R1, R2, and R3 are each independently an optionally substituted C1-4 alkyl group or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like.
Abstract: An oxynitride phosphor powder has a fluorescence peak wavelength of 587 to 630 nm and a high external quantum efficiency. A method of producing the oxynitride phosphor powder containing Li at 50 to 10,000 ppm includes mixing silicon nitride powder, a substance serving as an aluminum source, a substance serving as a calcium source and a substance serving as an europium source; firing the mixture at 1500 to 2000° C. in an inert gas atmosphere or a reducing gas atmosphere to obtain a fired oxynitride phosphor composed mainly of Ca-containing ?-SiAlON, as an intermediate; and heat treating the fired oxynitride phosphor at a temperature of 1450° C. to less than the firing temperature, in an inert gas atmosphere or in a reducing gas atmosphere in the presence of Li.
Abstract: The present invention relates to a nonaqueous electrolytic solution capable of improving charging storage properties and discharging storage properties in the high-temperature environment and provides a nonaqueous electrolytic solution for an energy storage device, which is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing 0.1 to 4% by mass of 1,3-dioxane and further containing 0.1 to 4% by mass of a compound having a carbon-carbon triple bond represented by the following general formula (I); and an energy storage device using the same. In the formula, R1 represents a hydrogen atom or a methyl group, and R2 represents a methyl group, an ethyl group, a methoxy group, or an ethoxy group.
Abstract: Provided is a method for producing ?-valerolactone that is hard to elute metallic components and has high productivity. ?-Valerolactone is synthesized by bringing a levulinic acid compound represented by the formula (1) (where R represents a hydrogen atom, a linear alkyl group of 1 to 6 carbon atoms or a branched alkyl group of 3 to 6 carbon atoms) into contact with hydrogen in the presence of a catalyst in which two or more different kinds of metals of Group VIII to Group X metals in the periodic table are supported on a support.
Abstract: This invention provides producing having an objective ketone and/or alcohol by decomposing of a hydrocarbon compound rapidly and selectively having a same number of carbon atoms as a hydrocarbon compound by decomposing a hydroperoxide in a reaction solution obtained from oxidizing the hydrocarbon compound using molecular oxygen of this invention involves, a hydroperoxide decomposition step for decomposing the hydroperoxide into the ketone and/or alcohol by contacting the reaction solution with an aqueous solution containing a carbonate of an alkaline earth metal or a carbonate of an alkali metal and a transition metal compound, a separation step for separating into an oil phase comprising the ketone and/or alcohol, and a water phase comprising the carbonate of an alkaline earth metal or carbonate of an alkali metal and the transition metal compound, a recovery step for recovering the carbonate of an alkali metal or carbonate of an alkaline earth metal and the transition metal compound by combusting the water
Abstract: A porous film including a micro porous film in which a fibril diameter arranged in a direction perpendicular to an MD direction is 50 nm or more and 500 nm or less, a pore diameter is 50 nm or more and 200 nm or less, and a surface opening ratio is 5% or more and 40% or less. In the porous film, the micro porous film may include either one or both of a polyethylene resin and a polypropylene resin.
Abstract: A nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, containing a compound of formula (X): where R10 and R20 are each a group selected from an alkyl having 1 to 8 carbon atoms, an alkenyl having 2 to 6 carbon atoms, an alkynyl having 3 to 6 carbon atoms, and an aryl having 6 to 12 carbon atoms, or a lithium; and X is a polar group (i) containing a —C(?O), a —P(?O), or an —S(?O)2 group, a polar group (ii) containing a —CN or an alkyl group having 1 to 6 carbon atoms, in which a part of hydrogen atoms is substituted with a fluorine atom, or a 4- to 7-membered ring polar group (iii) containing a —C(?O)—O— or a —C(?O)—N— group, where when X is a 4- to 7-membered ring polar group (iii) containing —C(?O)—N—, at least one of R10 and R20 is lithium.
Abstract: The present invention provides a polyamide resin composition capable of simultaneously satisfying, with regard to a molded body, suppression of dimensional change upon water absorption, excellent abrasion resistance after water absorption, excellent impact strength, and high surface strength. The present invention relates to a resin composition comprising a glass fiber having a non-circular cross section, and a polyamide resin having a structural unit having more than 6 carbon atoms per 1 amide group, wherein a number average molecular weight of the polyamide resin is 20000 to 40000, and a content of the glass fiber is 15 mass % to 60 mass %.
Abstract: The present invention provides a non-aqueous electrolytic solution for a lithium secondary battery or a lithium ion capacitor, wherein the non-aqueous electrolytic solution includes a lithium salt as dissolved in a non-aqueous solvent in a concentration of 0.8 to 1.5 M (mol/L), the non-aqueous solvent includes, in relation to the whole of the non-aqueous solvent, 5 to 25% by volume of ethylene carbonate, 5 to 25% by volume of propylene carbonate, 20 to 30% by volume of dimethyl carbonate, 20 to 40% by volume of methyl ethyl carbonate, and 10 to 20% by volume of a fluorinated chain ester; the total content of ethylene carbonate and propylene carbonate in the non-aqueous solvent is 20 to 30% by volume, the total content of dimethyl carbonate and the fluorinated chain ester in the non-aqueous solvent is 30 to 40% by volume; and the flash point of the non-aqueous electrolytic solution is 20° C. or higher, and the present invention also provides an energy storage device.
Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.
Abstract: The present invention relates to a polyamide resin composition, which not only demonstrates superior mechanical properties but also has favorable moldability and superior thermal conductivity, wherein the polyamide resin composition comprises (A) a polyamide resin, (B) glass fibers, (C) a thermally conductive filler, and (D) a polyamide elastomer, and the amount of the component (B) based on 100 parts by mass of the total amount of the components (A), (B), (C) and (D) is 9 parts by mass to 35 parts by mass; and, a molded article comprising the same.
Abstract: A catalyst for a conjugated diene polymerization including a metal compound (A) containing terbium, lanthanum, dysprosium, praseodymium, holmium, erbium, thulium, or gadolinium, an ionic compound (B) consisting of a non-coordinating anion and a cation, and an organic metal compound (C) of an element selected from the groups 2, 12 and 13 of the periodic table; a process for producing a conjugated diene polymer and a modified conjugated diene polymer using the same; a conjugated diene polymer; and a modified conjugated diene polymer.
July 9, 2015
Date of Patent:
August 21, 2018
UBE INDUSTRIES, LTD.
Koji Shiba, Yuta Yamada, Suguru Fukazawa, Naomi Okamoto
Abstract: Provided are a polyimide binder for energy storage device capable of improving properties of an energy storage device in a broad temperature range, and an electrode sheet and an energy storage device using the same. The polyimide binder for energy storage device, which is a polyimide obtained by subjecting an aqueous solution of a polyamic acid composed of a repeating unit represented by the following general formula (I) to an imidization reaction, the polyimide having a tensile elastic modulus of 1.5 GPa or more and 2.7 GPa or less. In the formula, A is a tetravalent group resulting from eliminating a carboxyl group from a specified tetracarboxylic acid, and B is a divalent group resulting from eliminating an amino group from a specified diamine, provided that 55 mol % or more of B in a total amount of the repeating unit is the divalent group resulting from eliminating an amino group from an aliphatic diamine having a molecular weight of 500 or less.
September 25, 2014
Date of Patent:
August 21, 2018
UBE INDUSTRIES, LTD.
Koji Abe, Shuichi Koso, Takeshige Nakayama