Patent ID: 6248810
Filing Date: 2001-06-19
Classification: C08G,C08L

Abstract:
A coating formed by crosslinking a waterborne dispersion which is applied to a substrate, said waterborne dispersion comprising:(a) 10 to 65% by weight of a polydiene block polymer having a weight average molecular weight of from 2000 to 3,000,000 and containing at least five olefinic epoxy groups per molecule which are sterically hindered;(b) 0.2 to 25% by weight of a compatible aminoplast;(c) 0.1 to 10% by weight of a surfactant which is nonionic or anionic and has a volatile cation;(d) 0.1 to 4% by weight of a proton-donating acid catalyst; and(e) water.