Concentrated aqueous latex of ethylene/C.sub.2 -C.sub.3 -perfluo

Details Concentrated aqueous latex of ethylene/C.sub.2 -C.sub.3 -perfluo Concentrated aqueous latex of ethylene/C.sub.2 -C.sub.3 -perfluo

1978-12-12

1980-09-30

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

428421, 526254, C08L 2718

Patent

active

042254825

ABSTRACT:
A process for preparing an aqueous concentrated latex of a copolymer or terpolymer of ethylene and a C.sub.2 -C.sub.3 -perfluorocarbon by creaming a latex of 25-30% copolymer solids and recovering a concentrated latex having 1.5-2.5 times the concentration of the starting latex. The concentrated latex can be used to prepare crack-free or void-free coatings on substrates.

REFERENCES:
patent: 3303154 (1967-02-01), Hirose
patent: 3445434 (1969-05-01), Stilmar
patent: 3870689 (1975-03-01), Modena
patent: 3893971 (1975-07-01), Ukihashi
patent: 3906060 (1975-09-01), Mattiussi
patent: 3989873 (1976-11-01), Robertson
patent: 4033939 (1977-07-01), Schulze
patent: 4110308 (1978-08-01), Abe
patent: 4123602 (1978-10-01), Ukihashi

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