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US 5,349,031 AGranted
Fluorine-containing coating composition
AssigneeAsahi Glass Company, Limited
InventorsShun-ichi Kodama, Yasuyuki Sasao, Ryuichi Miura
Life of this patent
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Abstract
A fluorine-containing coating composition comprising from 30 to 90 wt % of a fluorine-containing copolymer containing units derived from a fluoroolefin and units derived from a vinyl ether and having a hydroxyl value of from 30 to 150 (mgKOH/g) and an epoxy equivalent of from 300 to 2,000 (g/eq) and from 10 to 70 wt % of a curing agent having carboxylic acid groups or a derivative thereof.
Claims5
A fluorine-containing coating composition comprising:
- i) 30 to 90 wt. % of a fluorine-containing copolymer obtained by copolymerizing monomers comprising
- a) a fluoroolefin;
- b) a vinyl ether;
- c) an ethylenically unsaturated monomer having a hydroxy group;
- and
- d) an ethylenically unsaturated monomer having an epoxy group;
- wherein said copolymer has a hydroxyl value of from 30 to 150 (mgKOH/g) and an epoxy equivalent of from 300 to 2,000 (g/eq);
- and
- (ii) 10 to 70 wt. % of a curing agent selected from the group consisting of a polybasic carboxylic acid, a polybasic carboxylic anhydride, a blocked polybasic carboxylic acid and a mixture thereof.
6 more elements
Dependencies are inferred from the claim text.