发明授权
US4634754A Fluorine-containing copolymer and composition containing the same for curing 失效
含氟共聚物和含有其的组合物用于固化

Fluorine-containing copolymer and composition containing the same for
curing
摘要:
A fluorine-containing copolymer comprising structural units of the formula (a):--CH.sub.2 --CHF-- (a)structural units of the formula (b): ##STR1## and structural units of the formula (c): ##STR2## wherein X is --H or --F, Y is --OH, --COOH or ##STR3## l is 0 or an integar of 1, m is 0 or an integar of 1 to 6 and n is 0 or an integer of 1 to 4, provided that Y is --COOH when n is 0. The copolymer has a good solubility to solvent and is cross-linkable, and the composition containing the copolymer can be cured at room temperature, and provides a film having an excellent chemical resistance, weatherability, stain resistance, heat resistance and high frictional electrification property.
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