Liquid coating composition containing vinyl fluoride-hexafluorop

Details Liquid coating composition containing vinyl fluoride-hexafluorop Liquid coating composition containing vinyl fluoride-hexafluorop

1975-05-12

1980-01-15

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 304R, 260 312R, 260 324, 260 328R, C08K 511

Patent

active

041838378

ABSTRACT:
A liquid coating composition containing vinyl fluoride-hexafluoropropylene resin which has superior storage stability even in high concentrations and can form a coating layer having outstandingly superior mechanical strength properties such as tensile strength, initial Young's modulus or hardness and superior transparency and gloss. The liquid coating composition comprises a vinyl fluoride-hexafluoropropylene copolymer having an inherent viscosity of 0.2 to 2 and composed of 5 to 50 mol % of units derived from hexafluoropropylene, 0 to 10 mol % of units derived from a third component and the remainder being units derived from vinyl fluoride, and specified solvent, the amount of said copolymer being 1 to 50% by weight, as solids content, based on the weight of the composition. A method for preparing the vinyl fluoride-hexafluoropropylene copolymer resin suitable for use in the liquid coating compositions in the presence of an organic peroxide initiator, a fluorine-containing surface active agent, a dispersing agent and/or a molecular-weight regulating agent.

REFERENCES:
patent: 2549935 (1951-04-01), Sauer
patent: 3051677 (1962-08-01), Rexford
patent: 3340222 (1967-09-01), Fang
patent: 3429844 (1969-02-01), Neros
patent: 3454517 (1969-07-01), Neros
patent: 3513116 (1970-05-01), Sianesi

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