Coating compositions comprising aldimine and isocyanate and processes for their preparation

摘要

The present invention relates to a non-hydroxyl functional resin containing coating composition comprising: a) an aldimine compound having the structure wherein n averages greater than 1, R1 is alkyl, aryl, cycloaliphatic or substituted alkyl, aryl, cycloaliphatic or heterocyclic group, and R2 is monomeric or polymeric aliphatic, aromatic, arylaliphatic or cycloaliphatic group which may contain O, N, S, or Si, b) an isocyanate functional component comprising uretdione structure c) optionally, other active hydrogen compounds. f