Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin composition of a leathery material, excellent in migration proofness, crack resistance, texture and hot water resistance.SOLUTION: An aqueous polyurethane resin composition contains (A) a polyurethane resin having a specific anionic group in a molecule and (B) thermosensitive coagulating agent. The component (B) is a compound expressed by general formula (1) and is prepared by blending 0.1-50 pts.mass based on 100 pts.mass of the component (A), wherein Rexpresses a 1-8C alkyl group, a phenyl group, a benzyl group or a group expressed by general formula (2) and Xexpresses chlorine ion, bromine ion or iodine ion.
Abstract:
PROBLEM TO BE SOLVED: To provide a nonhalogen-based aqueous polyurethane resin composition that is suitable for imparting a flame-retardant coating which does not cause a bleeding phenomenon on a substance surface and that also has excellent workability.SOLUTION: The aqueous polyurethane resin composition is obtained by dispersing a urethane prepolymer, obtained from reacting a polyisocyanate component (a) and a polyol component (b) including a phosphorus-containing polyol compound represented by formula (1) as an essential component, in water and then performing chain elongation of the urethane prepolymer, and contains units corresponding to the compound represented by formula (1) so that the phosphorus content in the urethane resin solid component is 0.3-5.0%. In formula, Rrepresents a 2-4C alkylene group, m represents a number of 1-10, and n represents a number of 1-10.
Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin composition for a glass fiber sizing agent having excellent glass fiber sizing property, a glass fiber sizing agent using the same, glass fibers for a reinforced resin obtained by treatment with the glass fiber sizing agent, and a glass fiber-reinforced resin having excellent mechanical strength.SOLUTION: The aqueous polyurethane resin composition is produced by dispersing an urethane resin, obtained by reacting an epoxy ester compound and polyisocyanate, in water with the use of an emulsifier. The epoxy ester compound includes a ricinoleic acid epoxy ester compound represented by general formula (1) as an essential component, where in formula, R is each independently H or 1-3C alkyl, and n is a number of 0-3.
Abstract:
PROBLEM TO BE SOLVED: To provide an anionic aqueous polyurethane resin composition for producing a cosmetic puff by using a polyurethane resin, which has excellent formability when producing the cosmetic puff, excellent weather resistance, oil resistance, water resistance, excellent compressive residual distortion, and excellent durability, and to provide a method for producing the cosmetic puff. SOLUTION: The anionic aqueous polyurethane resin composition for producing the cosmetic puff has the anionic group-containing polyurethane resin crosslinked with 3 functional isocyanate compound, and water-dispersed with an anionic emulsifier. The cosmetic puff producing method includes: foaming the anionic aqueous polyurethane resin composition; and then, hardening it to have a prescribed shape. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an aqueous polyurethane resin composition capable of providing a glass fiber reinforced resin excellent in binding properties for glass fibers and in mechanical strength.SOLUTION: An aqueous polyurethane resin composition is obtained by dispersing in water an aqueous polyurethane resin which includes a polyol compound (A), polyisocyanate (B), a hydrophilic compound (C), fatty acid ester polyol (D), and a compound (E) with a hydroxyl group and an unsaturated double bond. (C) is a compound represented by general formula (1) wherein Ris a 2-4 valent alcohol residue or a group represented by general formula (2). (D) is a fatty acid ester polyol containing an unsaturated fatty acid ester polyol obtained by reacting a fatty acid of a drying oil or a fatty acid of semidrying oil with trimethylolpropane, glycerin or pentaerythritol. (E) is an allyl ether compound, a (meth)acrylate compound, a vinyl ether compound or an alkyl vinyl ether compound.
Abstract:
PROBLEM TO BE SOLVED: To provide a cationic aqueous polyurethane resin composition excellent in mechanical physical properties (elongation), waterproofness and storage stability. SOLUTION: The cationic aqueous polyurethane resin composition contains a polyol component (a), a polyisocyanate component (b), a quaternary cationic group-containing compound component (c) and water as essential components. The quaternary cationic group-containing compound component (c) is the quaternary cationic group-containing compound obtained by reacting a 2 functional and/or 3 functional isocyanate with a quaternary ammonium compound expressed by general formula (1) [wherein, R 1 to R 3 are each the same or different 1-3C alkyl; (a) is an integer of 0 to 3; (b) is an integer satisfying the relationships that the (a+b) is 5 to 50 and also (a)/(a+b)