Abstract: There is provided a method for producing a porous polyimide film, including a first step of forming a coating film containing a polyimide precursor solution where a polyimide precursor and an organic amine compound are dissolved in an aqueous solvent, and a resin particle incapable of dissolving in the polyimide precursor solution, followed by drying of the coating film to form a coat containing the polyimide precursor and the resin particle, and a second step of heating the coat to imidize the polyimide precursor and form a polyimide film, the second step including a treatment for removing the resin particle.

Abstract: A resin composition including a thermoplastic resin, a glass fiber, a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond, and a compatibilizer, wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a coating layer around the glass fiber, and wherein the thickness of the coating layer is from 50 nm to 700 nm.

Abstract: A polyimide precursor composition includes a resin having a repeating unit represented by the following Formula (I) and having an imidization ratio equal to or less than 0.2, a cyclic amine compound, and an acyclic aliphatic amine compound, wherein the resin, the cyclic amine compound, and the acyclic aliphatic amine compound are dissolved in an aqueous solvent: wherein in Formula (I), A represents a tetravalent organic group and B represents a divalent organic group.

Abstract: There is provided a polyimide precursor composition, wherein a resin having a repeating unit represented by the following general formula (I), an organic amine compound, and a surfactant are dissolved in a water-based solvent including water: wherein in the general formula (I), A represents a tetravalent organic group, and B represents a divalent organic group, a method for manufacturing a polyimide molded body, wherein the polyimide precursor composition is molded by a heat treatment, and a polyimide molded body manufactured by the method for manufacturing a polyimide molded body.

Abstract: A resin composition including a thermoplastic resin, a glass fiber, a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond, and a compatibilizer, wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a coating layer around the glass fiber, and wherein the thickness of the coating layer is from 50 nm to 700 nm.

Abstract: A polyimide precursor composition in which a resin and an organic amine compound are dispersed in an aqueous solvent, wherein the aqueous solvent contains 50% by weight or more of water and at least one organic solvent selected from a solvent group A consisting of a urea solvent, an amide solvent containing an alkoxy group, and an amide solvent containing an ester group in an amount of 5% by weight or more with respect to the total amount of the aqueous solvent, and the resin has a repeating unit represented by the following formula (I): wherein A indicates a tetravalent organic group, and B indicates a bivalent organic group.

Abstract: A polyimide precursor composition includes a mixed solvent and a polyimide precursor dissolved in the mixed solvent, and the mixed solvent contains at least one organic solvent A and at least one organic solvent B, wherein the organic solvent A is selected from the group consisting of an aprotic polar solvent which contains a nitrogen atom and a lactone solvent, and the organic solvent B is selected from the group consisting of a non-aqueous solvent which has a carbonyl structure.

Abstract: An intermediate for a resin molded article includes a curable epoxy resin, a reinforcing fiber, and a resin including at least one of an amide bond and an imide bond.

Abstract: A resin composition contains: polyolefin; a carbon fiber; a resin containing at least one of an amide bond and an imide bond; and a compatibilizer, the resin containing at least one of an amide bond and an imide bond forms a coating layer around the carbon fiber, and a thickness of the coating layer is from 50 nm to 700 nm.

Abstract: A resin composition including a thermoplastic resin, a glass fiber, a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond, and a compatibilizer, wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a domain having a diameter of from 5 ?m to 10 ?m in a matrix of the thermoplastic resin.

Abstract: A polyimide precursor composition includes a polyimide precursor including a condensation polymer of a tetracarboxylic dianhydride composed of a first tetracarboxylic dianhydride having a benzene ring to which two carboxylic anhydride groups are bonded and a second tetracarboxylic dianhydride other than the first tetracarboxylic dianhydride, and a diamine compound; a tertiary amine compound; and a water-soluble solvent containing at least one kind selected from the group consisting of water and aqueous alcohol, wherein the polyimide precursor and the tertiary amine compound are dissolved in the water-soluble solvent.

Abstract: A polyimide precursor composition includes a polyimide precursor including a condensation polymer of a tetracarboxylic dianhydride containing a first tetracarboxylic dianhydride having a benzene ring to which two carboxylic anhydride groups are bonded, and a second tetracarboxylic dianhydride other than the first tetracarboxylic dianhydride, and a diamine compound; and a first aqueous solvent containing water and at least one water-soluble organic solvent selected from the group consisting of a water-soluble ether solvent, a water-soluble ketone solvent, and a water-soluble alcohol solvent, or a second aqueous solvent containing a water-soluble alcohol solvent and at least one water-soluble organic solvent selected from the group consisting of a water-soluble ether solvent and a water-soluble ketone solvent, wherein the polyimide precursor is dissolved in the first aqueous solvent or the second aqueous solvent.

Abstract: There is provided a method for producing a porous polyimide film, including a first step of forming a coating film containing a polyimide precursor solution where a polyimide precursor and an organic amine compound are dissolved in an aqueous solvent, and a resin particle incapable of dissolving in the polyimide precursor solution, followed by drying of the coating film to form a coat containing the polyimide precursor and the resin particle, and a second step of heating the coat to imidize the polyimide precursor and form a polyimide film, the second step including a treatment for removing the resin particle.

Abstract: A polyimide precursor composition includes a resin having repeating units represented by the following formula (I), a lactone compound, an organic amine compound, and a solvent including water, wherein the resin, the lactone compound and the organic amine compound are dissolved in the solvent: wherein A represents a tetravalent organic group and B represents a divalent organic group.

Abstract: A polyamideimide precursor composition includes a resin having repeating units represented by the following formula (PA) and a solvent including water, wherein the resin is dissolved in the solvent: wherein RA1 represents a divalent organic group and RA2 represents a divalent organic group.

Abstract: A polyimide precursor composition includes a polyimide precursor including a condensation polymer of a tetracarboxylic dianhydride containing a first tetracarboxylic dianhydride having a benzene ring to which two carboxylic anhydride groups are bonded, and a second tetracarboxylic dianhydride other than the first tetracarboxylic dianhydride, and a diamine compound; and a first aqueous solvent containing water and at least one water-soluble organic solvent selected from the group consisting of a water-soluble ether solvent, a water-soluble ketone solvent, and a water-soluble alcohol solvent, or a second aqueous solvent containing a water-soluble alcohol solvent and at least one water-soluble organic solvent selected from the group consisting of a water-soluble ether solvent and a water-soluble ketone solvent, wherein the polyimide precursor is dissolved in the first aqueous solvent or the second aqueous solvent.

Abstract: A polyimide precursor composition includes a polyimide precursor including a condensation polymer of a tetracarboxylic dianhydride composed of a first tetracarboxylic dianhydride having a benzene ring to which two carboxylic anhydride groups are bonded and a second tetracarboxylic dianhydride other than the first tetracarboxylic dianhydride, and a diamine compound; a tertiary amine compound; and a water-soluble solvent containing at least one kind selected from the group consisting of water and aqueous alcohol, wherein the polyimide precursor and the tertiary amine compound are dissolved in the water-soluble solvent.

Abstract: A polyimide precursor composition includes a polyimide precursor including a repeating unit represented by the following Formula (1), a solvent, and acidic carbon black having a pH of 5.0 or less, wherein R1 represents a tetravalent organic group, R2 represents a divalent organic group, each of R3 and R4 independently represents a monovalent organic group or hydrogen, and R3 and R4 are not hydrogen at the same time.

Abstract: There is provided a polyimide precursor composition, wherein a resin having a repeating unit represented by the following general formula (I), an organic amine compound, and a surfactant are dissolved in a water-based solvent including water: wherein in the general formula (I), A represents a tetravalent organic group, and B represents a divalent organic group, a method for manufacturing a polyimide molded body, wherein the polyimide precursor composition is molded by a heat treatment, and a polyimide molded body manufactured by the method for manufacturing a polyimide molded body.

Abstract: A fuel economical lubricating oil composition for internal combustion engines comprises a base oil and an additive composition comprising an overbased metal-containing detergent and a molybdenum-containing friction modifier, in which the overbased metal-containing detergent comprises calcium salicylate having an alkyl group having an average carbon atom number of 14-18, at least 60 mol. % of the alkyl group having a carbon atom number of 14-18, and calcium sulfonate having an alkyl group having an average carbon atom number of 20-24, at least 60 mol. % of the alkyl group having a carbon atom number of 20-24, and/or calcium salicylate having an alkyl group having an average carbon atom number of 20-28, at least 60 mol. % of the alkyl group having a carbon atom number of 20-28.