Process for preparation of perfluorinated copolymer

Details Process for preparation of perfluorinated copolymer Process for preparation of perfluorinated copolymer

1989-04-14

1990-08-14

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253264, C08F 822

Patent

active

049488449

ABSTRACT:
Disclosed is a process for the preparation of a perfluorinated copolymer having a predetermined ratio of monomer units, which comprises copolymerizing 99.5 to 50 mole % of (I) tetrafluoroethylene with 0.5 to 50 mole % of (II) a monomer represented by the following general formula:

REFERENCES:
patent: 3528954 (1970-09-01), Carlson
patent: 4714756 (1987-12-01), Buckmaster
patent: 4743658 (1988-05-01), Imbalzano et al.
H. Shinohara et al., Journal of Polymer Science, "Fluorination of Polyhydrofluoroethylenes. I. Direct Fluorination of Poly(Vinyl Fluoride) Film", Part A-I, vol. 10, pp. 2129-2137 (1972).

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