摘要 |
<p>A curable, aqueous film-forming composition is provided, comprising: (a) a copolymer containing reactive functional groups and comprising at least 30 mol % of residues having alternating structural units: <?in-line-formulae description="In-line Formulae" end="lead"?>-[DM-AM]-<?in-line-formulae description="In-line Formulae" end="tail"?> wherein DM represents a residue from a donor monomer, and AM represents a residue from an acceptor monomer, at least 15 mol % of the copolymer comprising a donor monomer having the structure (I): wherein R<SUP>1 </SUP>is linear or branched C<SUB>1 </SUB>to C<SUB>4 </SUB>alkyl, R<SUP>2 </SUP>is selected from methyl, linear, cyclic or branched C<SUB>1 </SUB>to C<SUB>20 </SUB>alkyl, alkenyl, aryl, alkaryl and aralkyl; and (b) a curing agent having functional groups reactive with the reactive functional groups of (a). The invention is also directed to a multi-component composite coating composition including a base coat deposited from a pigmented film-forming composition and a transparent topcoat applied over the base coat. At least one-coat is the film-forming composition described above.</p> |