Abstract: Disclosed herein is a polyurethane resin containing, as copolymerization components, a polycarbonate polyol (A), an organic diisocyanate (B) and a chain extender (C), wherein the polycarbonate polyol (A) contains a specific structure in an amount of 60 mol % or more and a glass transition temperature of the polyurethane resin is 50° C. or higher. The polyurethane resin has excellent heat resistance and satisfactory adhesive property to various substrates, and is usable as an adhesive composition.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising: a polyester resin (A) having an acid value of 100 eq/ton or more and smaller than 500 eq/ton; and a polyester resin (B) having an acid value of 500 eq/ton or more, wherein a content of the polyester resin (A) is 55 parts by mass or more and 95 parts by mass or smaller, and a content of the polyester resin (B) is 5 parts by mass or more and 45 parts by mass or smaller when a total mass of solid contents of the polyester resin (A) and the polyester resin (B) is 100 parts by mass.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin composition substantially contains no curing agent, and (iii) the polyester resin (A) includes, as a polyol component constituting the polyester resin (A), a diol (a) having two primary hydroxy groups and having no alicyclic structure, and, furthermore, one or both of a diol (b) having an alicyclic structure, and a diol (c) having one primary hydroxy group and one secondary hydroxy group and having no alicyclic structure.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow reduction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin composition substantially contains no curing agent, and (iii) a content of tetrahydrofuran-insoluble matter is 10 mass % or more when the polyester resin composition has been heated at 240° C. for one hour.

Abstract: It is provided that a polyester resin and a polyester resin composition that allow induction of harmful outgas and can form a coating film having excellent characteristics such as curability, retort resistance, and processability. A polyester resin composition comprising polyester resin (A), wherein the polyester resin composition satisfies the following requirements (i) to (iii), (i) the polyester resin (A) has an acid value of 100 eq/ton or more, (ii) the polyester resin (A) includes, as a polyol component constituting the polyester resin (A), a diol (a) having two primary hydroxy groups and having no alicyclic structure, and, furthermore, one or both of a diol (b) having an alicyclic structure, and a diol (c) having one primary hydroxy group and one secondary hydroxy group and having no alicyclic structure, and (iii) the polyester resin (A) has unsaturated dicarboxylic acid (d) as a polycarboxylic acid component constituting the polyester resin (A).

Abstract: A composition for a film adhesive, an ink binder, or a coating agent based on a polyurethane resin having excellent heat resistance and surface hardness and good adhesiveness to various substrates. A composition containing a polyurethane resin (X) and a crosslinking agent (Y), in which the polyurethane resin (X) contains a polycarbonate polyol (A), an organic diisocyanate (B), and a chain extender (C) as copolymerization components, characterized in that the glass transition temperature of the polyurethane resin (X) is 50° C. or higher, that the polycarbonate polyol (A) contains 60 mol % or more of a specific structure, and that the composition contains 1 to 30 parts by mass of the crosslinking agent (Y) with respect to 100 parts by mass of the polyurethane resin (X).

Abstract: Disclosed herein is a polyurethane resin containing, as copolymerization components, a polycarbonate polyol (A), an organic diisocyanate (B) and a chain extender (C), wherein the polycarbonate polyol (A) contains a specific structure in an amount of 60 mol % or more and a glass transition temperature of the polyurethane resin is 50° C. or higher. The polyurethane resin has excellent heat resistance and satisfactory adhesive property to various substrates, and is usable as an adhesive composition.

Abstract: The present invention aims to provide a copolymerized polyester and a resin composition which are excellent in storage stability, water-resistant adhesion, processability, weathering resistance and leveling property. According to the present invention, there is provided a copolymerized polyester containing a polyvalent carboxylic acid component and a polyhydric alcohol component as copolymerization components, wherein, when a content of the polyvalent carboxylic acid component is taken as 100% by mole, a content of an alicyclic polyvalent carboxylic acid component is 50% by mole or more, and wherein the copolymerized polyester has an acid value of 170 to 1000 equivalents/106 g.

Abstract: The present invention aims to provide a polyester resin having excellent adhesion to metal and curability and also having good storage stability. A polyester resin prepared from polyvalent arboxylic acid and glycol, characterized in that a total content of a terephthalic acid ingredient and an isophthalic acid ingredient is 70% by mol or more when a total content of the polyvalent carboxylic acid ingredient is taken as 100% by mol, a total content of an ethylene glycol ingredient and a 2,2-dimethyl-1,3-propanediol ingredient is 80% by mol or more when a total content of the glycol ingredient is taken as 100% by mol, its acid value is 5 mg KOH/g or more, a total content of an unreacted polyvalent carboxylic acid ingredient is 2,000 ppm or less and a content of a cyclic oligomer is 0.5% by mass or less.

Abstract: The present invention provides a polyester, a polyester composition and a pressure-sensitive adhesive composition capable of obtaining a pressure-sensitive adhesive which is global-environmentally friendly and is excellent in pressure-sensitive adhesion properties, using a plant-derived raw material; and a pressure-sensitive adhesive layer and a pressure-sensitive adhesive sheet which can be obtained by using the same. A polyester of the present invention is a polyester comprising at least a lactic acid unit, a dibasic acid unit and a glycol unit, wherein the dibasic acid unit contains dimer acid, and the polyester has a glass transition temperature as measured at a temperature rising rate of 20° C./minute using a differential scanning calorimeter, of ?70 to ?20° C., a weight average molecular weight of 20,000 to 300,000 and a hydroxyl value of 1 to 100 mgKOH/g.

Abstract: The present invention provides a fiber having a nano-order fiber diameter, which is produced by without a process of dehydration and cyclization by a heat treatment after fiber spinning and has excellent heat resistance and mechanical strength, and a non-woven fabric composed of the fiber, and discloses the polyamide-imide fiber and the non-woven fabric having an average fiber diameter of from 0.001 ?m to 1 ?m and also discloses the process for producing threrof. The present invention also provides a separator for an electronic component which has a high conductivity and a small separator thickness and is improved in safety during reflow soldering or short-circuiting, and discloses the separator composed of a non-woven fabric obtained by an electro-spinning method.

Abstract: This disclosure relates to a polyamideimide resin containing a structure represented by formula (1):

Abstract: The present invention provides a polyester, a polyester composition and a pressure-sensitive adhesive composition capable of obtaining a pressure-sensitive adhesive which is global-environmentally friendly and is excellent in pressure-sensitive adhesion properties, using a plant-derived raw material; and a pressure-sensitive adhesive layer and a pressure-sensitive adhesive sheet which can be obtained by using the same. A polyester of the present invention is a polyester comprising at least a lactic acid unit, a dibasic acid unit and a glycol unit, wherein the dibasic acid unit contains dimer acid, and the polyester has a glass transition temperature as measured at a temperature rising rate of 20° C./minute using a differential scanning calorimeter, of ?70 to ?20° C., a weight average molecular weight of 20,000 to 300,000 and a hydroxyl value of 1 to 100 mgKOH/g.

Abstract: The present invention provides a fiber having a nano-order fiber diameter, which is produced by without a process of dehydration and cyclization by a heat treatment after fiber spinning and has excellent heat resistance and mechanical strength, and a non-woven fabric composed of the fiber, and discloses the polyamide-imide fiber and the non-woven fabric having an average fiber diameter of from 0.001 ?m to 1 ?m and also discloses the process for producing threrof. The present invention also provides a separator for an electronic component which has a high conductivity and a small separator thickness and is improved in safety during reflow soldering or short-circuiting, and discloses the separator composed of a non-woven fabric obtained by an electro-spinning method.

Abstract: [Object] To provide a thermosetting resin used for the manufacture of layered products for fibrous use, electrical products and automobile parts or, particularly, used for multilayered circuit board and flat cables, being suitable for a latent thermosetting adhesive which shows, upon adhesion, the fluidity necessary for the adhesion but quickly hardens by heat or light and also being excellent in resistance to heat upon soldering; to provide a resin expressing an excellent flame-retarding property in spite of non-use of halogen, and expressing latent hardening properties to quickly harden by heat and light; and to provide an adhesive and a resist agent comprising the same.

Abstract: [Object] To provide a flexible metal-clad laminate having excellent heat resistance, flexibility and low thermal expansion together with sufficient colorless transparency and a flexible printed circuit board using the same. [Constitution] A colorless and transparent flexible metal-clad laminate where metal foil is directly laminated or is laminated via an adhesive layer on at least one side of the polyamideimide resin layer in which cyclohexane tricarboxylic acid anhydride is a main monomer, characterized in that said polyamideimide resin has an inherent viscosity of 0.8 dl/g or more and 2.5 dl/g or less.

Abstract: There is provided an aqueous resin composition excellent in settability, flexibility, retort resistance, hygienicity, sprayability and dispersibility in water, and used to coat an internal surface of a can.

Abstract: There is provided an aqueous resin composition excellent in settability, flexibility, retort resistance, hygienicity, sprayability and dispersibility in water, and used to coat an internal surface of a can.

Abstract: There is provided an aqueous resin composition excellent in settability, flexibility, retort resistance, hygienicity, sprayability and dispersibility in water, and used to coat an internal surface of a can.

Abstract: There is provided an aqueous resin composition excellent in settability, flexibility, retort resistance, hygienicity, sprayability and dispersibility in water, and used to coat an internal surface of a can.