Process for producing peroxide-vulcanizable, fluorine-containing

Details Process for producing peroxide-vulcanizable, fluorine-containing Process for producing peroxide-vulcanizable, fluorine-containing

1988-05-17

1990-07-24

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526254, C08F 238

Patent

active

049436228

ABSTRACT:
A fluorine-containing elastomer capable of giving a vulcanized product with a good permanent set through peroxide vulcanization is produced by homopolymerization or copolymerization of a fluorine-containing olefin having 2 to 8 carbon atoms in the pressence of an iodine and bromine-containing compound represented by the general formula RBrn Im, where R represents a fluorohydrocarbon group, a chorofluorohydrocarbon group, a chlorohydrocarbon group or a hydrocarbon group, and n and m are integers of 1 and 2, and a small amount of 1,1-difluoro-2-bromoethylene.

REFERENCES:
patent: 4035565 (1977-07-01), Apotheker et al.
patent: 4214060 (1980-07-01), Apotheker et al.
patent: 4243770 (1981-01-01), Tatemoto et al.
patent: 4501869 (1985-02-01), Tatemoto et al.
patent: 4564662 (1986-01-01), Albin
patent: 4748223 (1988-05-01), Haruyoshi et al.

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