Patent ID: 6432483
Filing Date: 2002-08-13
Classification: C09D

Abstract:
A coating composition comprising:a crosslinking component comprising a polyketimine having an average of at least two ketimine functionalities per polyketimine molecule; and a binder component comprising: a polyacetoacetate with a Tg in the range of from 40Â° C. to 150Â° C. and having at least two acetoacetate functionalities, said polyacetoacetate being polymerized from a monomer mixture comprising a methacrylate monomer, a styrene monomer, or a combination thereof, said methacrylate and styrene monomers each having a bulky pendant moiety, wherein a coating from said coating composition at a two-hour cure has a Persoz hardness of about greater than or equal to 60 for a dry film thickness of greater than or equal to 40 microns.