Tough, stable tetrafluoroethylene-fluoroalkyl perfluorovinyl eth

Details Tough, stable tetrafluoroethylene-fluoroalkyl perfluorovinyl eth Tough, stable tetrafluoroethylene-fluoroalkyl perfluorovinyl eth

1985-02-27

1986-07-08

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526231, 526247, C08F21426

Patent

active

RE0321990

ABSTRACT:
Tough, stable copolymers of tetrafluoroethylene monomer and fluorovinyl ether monomers can be produced by polymerizing the monomers in perfluorinated or suitable non-perfluorinated hydrogen and chlorine containing fluorocarbon solvents by a process that requires that the reaction be carried out at from about 30.degree. to about 75.degree. C. in the presence of a low temperature initiator such as bis(perfluoro propionyl) peroxide and a hydrogen containing chain transfer agent such as methanol.

REFERENCES:
patent: 2549935 (1951-04-01), Sauer
patent: 2975163 (1961-03-01), Lo
patent: 3162622 (1964-12-01), Aldrich
patent: 3282875 (1966-11-01), Connolly
patent: 3450684 (1969-06-01), Darby

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