Patent ID: 6207731
Filing Date: 2001-03-27
Classification: C07F,C08G,C08L,C09D

Abstract:
A cathodic electrocoating composition, comprisinga) an aqueous carrier;b) a film forming binder dispersed in the carrier, said binder comprising an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; andc) an additive comprising the reaction product of:1) a polyoxy alkylene amine;2) a glycidoxy alkyl alkoxy silane; and3) a glycidyl compound selected from the group consisting of(a) a glycidyl ester of a carboxylic acid and(b) an alkyl glycidyl ether;which reaction product is hydrolyzed in the presence of acid and water to convert alkoxysilane moieties to silanol moieties.