Patent Number: 6,762,252

Title: Bisphenol and oxyalkylene diepoxide-advanced epoxy resin with cyclic ester and amine

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.

Inventors: Kamikado; Koji (Yokohama, JP), Nishida; Reiziro (Chigasaki, JP)

Assignee: Kansai Paint Co., Ltd.

International Classification: C08G 59/56 (20060101); C08G 59/62 (20060101); C08G 59/06 (20060101); C08G 59/00 (20060101); B32B 015/08 (); C08G 059/16 (); C08K 003/20 (); C08L 063/02 ()

Expiration Date: 07/12016