| 摘要 |
<p>A coating composition is described for producing a clear or colorless coating. The composition comprises:
<UnorderedLists id="ula01" listStyle="none"><ListItem>(a) a polymer comprising at least one functional group that is reactive with isocyanate,</ListItem><ListItem>(b) a blocked polyisocyanate,</ListItem><ListItem>(c) a hydrazide group, either attached to the polymer (a), to the polyisocyanate (b), or part of a compound different from (a) or (b), wherein at least one of the nitrogens of the hydrazide group is not adjacent to a carbonyl.</ListItem></UnorderedLists></p> |
