Patent ID: 6989421

Claim:
A coating composition comprising crosslinkable and crosslinking components, wherein said crosslinkable component consists essentially of: a copolymer having on an average 2 to 25 crosslinkable groups selected from the group consisting of hydroxyl, acetoacetoxy, carboxyl, epoxy, primary and secondary amine, and a combination thereof; a weight average molecular weight ranging from about 1000 to 4500; a polydispersity ranging from about 1.05 to 2.5; wherein said copolymer is polymerized from a monomer mixture comprising one or more non-functional methacrylate monomers and one or more functional acrylate monomers provided with said functional groups, and wherein said crosslinking component for said crosslinkable groups is selected from the group consisting of polyisocyanate, polyamine, ketimine, melamine, epoxy, polyacid and a combination thereof.