A high solids coating composition of an acrylic polymer, a polyester polyol and an alkylated melamine crosslinking agent.

摘要

The high solids coating composition contains at least 40% by weight of a binder of film-forming constituents in which the constituents are of
<UnorderedLists id="ula01" listStyle="none"><ListItem>(1) an acrylic polymer of styrene or methyl methacrylate or mixtures thereof, an alkyl acrylate or an alkyl methacrylate and a hydroxyl alkyl acrylate or methacrylate.</ListItem><ListItem>(2) a polyester polyol and</ListItem><ListItem>(3) an alkylated melamine formaldehyde crosslinking agent and optionally,</ListItem></UnorderedLists>
an acid catalyst; the composition is particularly useful as a primer or an exterior finish for automobiles, trucks, airplanes and can be used an a appliance finish and for coil coatings.