Abstract: The present invention provides a cationic coating composition capable of forming a coating film which is excellent in an electrodepositablly coating property and an adhesive property toward a rust preventive steel plate, a corrosion resistance and a low temperature curability. The cationic coating composition described above comprises as a vehicle component, a xylene-formaldehyde resin-modified, amino group-containing epoxy resin obtained by reacting an epoxy resin (A) having an epoxy equivalent of 180 to 2500 with a xylene-formaldehyde resin (B) and an amino group-containing compound (C).

Abstract: It is an object of the present invention to provide an electrodeposition coating composition excellent in corrosion resistance and stability of the coating. The electrodeposition coating composition comprises, based on 100 parts by weight (solid basis) of a core resin and a hardener constituting an electrodeposition coating, 1 to 100 parts by weight of (a) a zinc powder dispersed by a phosphoric-acid-group-containing dispersing resin.

Abstract: The present invention provides a cationic paint composition containing as resin component a polyol-modified amino group-containing epoxy resin obtained by reacting an epoxy resin with epoxy equivalent 180-2500 with a alkyl phenol and/or a carboxylic acid; a polyol obtained by adding a caprolactone to a compound containing a plurality of active hydrogen groups and an amino group-containing compound.

Abstract: A method for forming an electrodeposition coating film, comprises a step of subjecting a steric metal article to be coated to electrodeposition coating, and a step of selectively heating/drying the resultant coating film by a plurality of induction heating devices.

Abstract: A cationic electro-deposition coating composition, comprises: Component (A): an amino-containing epoxy resin (A) obtained by adding an amino-containing compound (a-2) to an epoxy resin (a-1) having an epoxy equivalent of from 400 to 3000, Component (B): an amino-containing acrylic resin (B) obtained by adding an amino-containing compound (b-4) to a copolymer resin obtained by radical copolymerization of, as essential components, a polylactone-modified hydroxyl-containing radical copolymerizable monomer (b-1), which is obtained by adding a lactone to a hydroxyl-containing acrylic monomer (b), and glycidyl (meth)acrylate (b-2), and another radical copolymerizable monomer (b-3); and Component (C): a blocked polyisocyanate curing agent (C) as a curing component, the component (A), component (B) and component (C) being added in amounts of 5 to 80 wt %, 5 to 80 wt % and 10 to 40 wt %, respectively, based on the total solid content of the components (A), (B) and (C).

Abstract: The present invention provides a cationic paint composition containing, as a vehicle component, a xylene-formaldehyde resin-modified amino group-containing epoxy resin obtained by reacting an epoxy resin having an epoxy equivalent of 180 to 2,500 with an alkyl phenol and/or a carboxylic acid, a xylene-formaldehyde resin, and an amino group-containing compound.

Abstract: The present invention provides a cationic resin composition comprising a cationic resin (A) and a blocked polyisocyanate (B) obtained by reacting an active hydrogen-containing component comprising a diol (a) which has two hydroxyl groups having different reactivities from each other and which has a molecular weight of 76 to 150 and a carboxyl group-containing diol (b) having a molecular weight of 106 to 500 with a polyisocyanate compound (c).

Abstract: The present invention provides a cationic coating composition capable of forming a coating film which is excellent in an electrodepositablly coating property and an adhesive property toward a rust preventive steel plate, a corrosion resistance and a low temperature curability. The cationic coating composition described above comprises as a vehicle component, a xylene-formaldehyde resin-modified, amino group-containing epoxy resin obtained by reacting an epoxy resin (A) having an epoxy equivalent of 180 to 2500 with a xylene-formaldehyde resin (B) and an amino group-containing compound (C).

Abstract: The present invention provides a cationic coating composition capable of forming a coating film which is excellent in a corrosion resistance and an adhesive property and an electrodepositably coating property toward a rust preventive steel plate (zinc-plated steel plate). The cationic coating composition described above comprises as a vehicle component, a polyol-modified, amino group-containing epoxy resin prepared by reacting an epoxy resin (A) having an epoxy equivalent of 180 to 2500 with a polyol compound (B) obtained by adding caprolactone to a compound having plural active hydrogen groups and an amino group-containing compound (C).

Abstract: The present invention provides a resin composition for coating, capable of forming a coating film excellent in electrodeposition property, coating surface smoothness and anticorrosivity in spite of small content of organic solvent and without containing a lead compound, and comprising a modified epoxy-polyamine resin (f), obtained by first reacting a diepoxide compound (a), wherein a specified amount of alkylene oxide has been introduced, and a bisphenol A type epoxy resin of an epoxy equivalent 170-500 with a bisphenol (b), reacting the epoxy resin (c) thus obtained with a cyclic ester (d), and further reacting the modified epoxy resin (e) thus obtained with an amine compound having active hydrogen.

Abstract: The present invention provides a cationic resin composition capable of forming a cationically electrodepositable coating film which is excellent in corrosion resistance, an aptitude for the cationic electrodepositable coating of a rust preventive steel plate and in adhesion to substrate, which cationic resin composition is characterized by comprising the following components: (A) an amino group-containing epoxy resin which is prepared by adding an amino group-containing compound to an epoxy resin having an epoxy equivalent of 400 to 3000, (B) a polyol-modified amino group-containing epoxy resin which is prepared by making an epoxy resin having an epoxy equivalent of 180 to 2500 react with an amino group-containing compound and with a polyol compound obtained by adding caprolactone to a compound having plural active hydrogen groups, and (C) a blocked polyisocyanate curing agent, component (A) being 40 to 70% by weight, component (B) being 4 to 40% by weight, and component (C) being 10 to 40% by weight, base

Abstract: The present invention provides a resin composition for coating, capable of forming a coating film excellent in electrodeposition property, coating surface smoothness and anticorrosivity in spite of small content of organic solvent and without containing a lead compound, and comprising a modified epoxy-polyamine resin (i), obtained by first reacting a diepoxide compound (a), wherein a specified amount of alkylene oxide has been introduced, and a bisphenol A type epoxy resin of an epoxy equivalent 170-500 with a bisphenol (b), reacting the epoxy resin (c) thus obtained with a cyclic ester (d), and further reacting the modified epoxy resin (e) thus obtained with an amine compound having active hydrogen.

Abstract: The present invention provides a cationically electro-depositable coating composition comprising as a cross-linking agent, a blocked polyisocyanate having a blocked isocyanate group represented by Formula (I): (wherein R1 represents a hydrogen atom, methyl, ethyl or propyl, and R2 represents methyl or ethyl) or a self cross-linking type base resin having the blocked isocyanate group represented by Formula (I) described above.

Abstract: The present invention provides a cationic paint composition containing as resin component a polyol-modified amino group-containing epoxy resin obtained by reacting an epoxy resin with epoxy equivalent 180-2500 with a alkyl phenol and/or a carboxylic acid; a polyol obtained by adding a caprolactone to a compound containing a plurality of active hydrogen groups and an amino group-containing compound.

Abstract: Anionic electrodeposition coating compositions for forming matte films containing acrylic resin; alkoxysilyl group containing emulsified polymer produced by a multiple stage emulsion polymerization of unsaturated monomer in the presence of water and a emulsifier, wherein the unsaturated monomer containing alkoxysilyl group-containing unsaturated monomer is present in an amount of 5 to 40% by weight based on a total amount of all the unsaturated monomers used in the multiple stage emulsion polymerization; and crosslinking agent.

Abstract: The present invention provides a cationically electrodepositable coating composition capable of forming a coating film which is excellent in both of coating film physical properties such as a chipping resistance and an impact resistance and a corrosion resistance. The composition comprises an amine-modified epoxy resin (A) and a blocked polyisocyanate (B), further comprising 5 to 50 parts by weight of a cationic urethane-modified polymer emulsion (C) per 100 parts by weight of the total of the amine-modified epoxy resin (A) and the blocked polyisocyanate (B) in terms of a solid matter.

Abstract: The present invention provides a cationic resin composition capable of forming a cationically electrodepositable coating film which is excellent in corrosion resistance, an aptitude for the cationic electrodepositable coating of a rust preventive steel plate and in adhesion to substrate, which cationic resin composition is characterized by comprising the following components:

Abstract: The present invention provides a cationic coating composition capable of forming a coating film which is excellent in a corrosion resistance and an adhesive property and an electrodepositably coating property toward a rust preventive steel plate (zinc-plated steel plate). The cationic coating composition described above comprises as a vehicle component, a polyol-modified, amino group-containing epoxy resin prepared by reacting an epoxy resin (A) having an epoxy equivalent of 180 to 2500 with a polyol compound (B) obtained by adding caprolactone to a compound having plural active hydrogen groups and an amino group-containing compound (C).

Abstract: This invention provides a cationic electrodeposition coating composition comprising(A) a resin prepared by reacting an epoxy- or carboxyl-containing acrylic polymer, a bisphenol compound and a bisphenol diglycidyl ether-type epoxy resin to produce an epoxy-containing resin and introducing thereinto cationic groups and(B) a hydroxyl- and amino-containing acrylic resin, the resins (A) and (B) being crosslinked and cured by urethanation reaction with (C) an isocyanate crosslinking agent component. The cationic electrodeposition coating composition of the invention is excellent in curability and in corrosion resistance of the cured coating film.

Abstract: The present invention provides a cationic electrodepositable coating composition comprising:?I! a polyurethane-modified epoxy resin-amine adduct obtained by a reaction of:(A) a polyurethane compound having one terminal isocyanate group in the molecule, obtained by a reaction of (a) a polyhydroxy compound having a number-average molecular weight of 50-8,000, (b) a polyisocyanate compound, and (c) a compound having one active hydrogen atom in the molecule,(B) a bisphenol type epoxy resin having at least two epoxy groups in the molecule, and(C) an active-hydrogen-containing amine compound, and ?II! a nonionic film-forming resin.This composition can form a coating film having excellent weathering resistance and corrosion resistance and, when used in combination with an aqueous base coating and a powder coating (a top coat), can provide a coating system which is simple to apply, which can give a coating film very superior in appearance, corrosion resistance, weathering resistance, chipping resistance, etc.