Abstract: The present invention provides an aqueous curable composition comprising (A) a compound comprising all or some primary amino groups and/or secondary amino groups optionally neutralized with a Brønsted acid, and (B) a crosslinking agent, the crosslinking agent being a compound having an (N-alkyl-N-(2-acylacyl)amino)alkyloxycarbonylamino group represented by General Formula (I) wherein R1, R2 and R3 are each independently a hydrogen atom or C1-7 alkyl group, R4 and R5 are each independently a hydrogen atom or C1-16 organic group, and Y is a straight C1-6 alkylene group optionally substituted with a C1-6 organic group as a substituent.

Abstract: The present invention provides a specific polyepoxy compound having at least two olefin oxide groups and at least one tertiary ester group per molecule, a method for producing the compound, a thermosetting resin composition containing the compound, a cured product of the composition, and a method for removing the cured product.

Abstract: This invention provides a method for producing a pigment-dispersing resin which contains divalent group(s) represented by a general formula (I): (in which R1 stands for C1-10 alkylene group, m is an integer of 1-30, and the m recurring units, may be the same or different), phosphoric acid group(s) and/or sulfonic acid group(s), characterized by copolymerizing a polymerizable unsaturated monomeric mixture in a reaction solvent containing at least 30 mass %, based on the total mass of the reaction solvent, of an organic solvent having no hydroxyl group and having a solubility in 20° C. water of at least 100 mass %.

Abstract: The present invention provides an ?-oxoamide group- and (meth)acryloyloxy group-containing monomer compound represented by Formula (I) wherein Y is a C1-6 straight-chain alkylene group which may be substituted with a C1-6 organic group, R1 is a C1-16 organic group, R2 is a hydrogen atom or a C1-8 organic group, and R3 is a hydrogen atom or a methyl group; a production process therefor; a polymer thereof; and an aqueous curable composition containing the polymer.

Abstract: The present invention provides a powder coating composition for forming a multilayer film, obtainable by dry blending a lower layer-forming thermosetting powder coating material (A) and an upper layer-forming thermosetting powder coating material (B), wherein at least one of the following conditions is satisfied: (I) the material (A) contains an onium salt compound; (II) particles of 45 &mgr;m or smaller diameter account for at least 90 wt. % of each of the materials (A) and (B); and (III) the material (A) is higher than the material (B) in melt viscosity (Pa·s) measured at 130° C. The powder coating composition of the invention is capable of sufficiently separating into layers and forming a multilayer film with excellent properties.

Abstract: A blocked isocyanate group-containing resin composition and a thermosetting resin composition using the same that comprise a resin (C) obtainable by modifying a resin (A) having two or more blocked isocyanate groups of a specific molecular structure in one molecule with a specific monohydric alcohol (B), and by replacing the substituent of the blocked isocyanate groups with a group having a larger number of carbon atoms, thereby lowering solubility parameter value. The compositions exhbit good storage stability and good compatibility with base resins for paint.

Abstract: The present invention provides a powder coating composition for forming a multilayer film, obtainable by dry blending a lower layer-forming thermosetting powder coating material (A) and an upper layer-forming thermosetting powder coating material (B), wherein at least one of the following conditions is satisfied: (I) the material (A) contains an onium salt compound; (II) particles of 45 &mgr;m or smaller diameter account for at least 90 wt. % of each of the materials (A) and (B); and (III) the material (A) is higher than the material (B) in melt viscosity (Pa·s) measured at 130° C.

Abstract: A blocked isocyanate group-containing resin composition and a thermosetting resin composition using the same that comprise a resin (C) obtainable by modifying a resin (A) having two or more blocked isocyanate groups of a specific molecular structure in one molecule with a specific monohydric alcohol (B), and by replacing the substituent of the blocked isocyanate groups with a group having a larger number of carbon atoms, thereby lowering solubility parameter value. The compositions exhbit good storage stability and good compatibility with base resins for paint.