Thermosetting fluorocarbon polymer primers

Details Thermosetting fluorocarbon polymer primers Thermosetting fluorocarbon polymer primers

1986-02-13

1987-08-04

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

525108, 523455, 523458, C08L 2714, C08L 2716, C08L 3314, C08L 6302

Patent

active

046846778

ABSTRACT:
Rapid air drying thermosetting solvent solution primer compositions are disclosed which comprise volatile polar organic solvent having dissolved therein a fluorocarbon polymer in an amount of from 20% to 45% of total resin solids, a solvent-soluble, hydroxy-functional copolymer of monoethylenically unsaturated monomers containing from 5% to 30% of hydroxy-functional monoethylenic monomer in an amount of from 0.7 to 1.5 parts of hydroxy-functional copolymer per part of fluorocarbon resin, a resinous polyepoxide in an amount providing from 0.1 to 0.6 part of polyepoxide per part of hydroxy-functional copolymer, and a curing agent reactive with hydroxy functionality, preferably an aminoplast resin, for curing the hydroxy-functional acrylic copolymer and the polyepoxide. The primer is pigmented with inorganic pigment in a weight ratio with respect to the resin solids of from 0.2:1 to 0.8:1.

REFERENCES:
patent: 2888364 (1959-05-01), Bauer
patent: 2976257 (1961-03-01), Dawe
patent: 3442976 (1969-05-01), Gerek
patent: 3773713 (1973-11-01), Koizumi
patent: 4297447 (1981-10-01), Yasuda
patent: 4314004 (1982-02-01), Stoneberg
patent: 4379885 (1983-04-01), Miller

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