abstract |
The present invention relates to a coating composition comprising polyacetoacetate, a crosslinking agent and an organosilane,n n n Wherein the organosilane has at least one amino group, an amino-containing group, an epoxy group, an epoxy-containing group, a mercapto group, a mercapto-containing group, a vinyl group, a vinyl- An imidazole group, an imidazole-containing group, and the coating composition is particularly useful as a primer for an aluminum substrate. |