Perfluorodioxoles, the preparation process thereof, and homopoly

Details Perfluorodioxoles, the preparation process thereof, and homopoly Perfluorodioxoles, the preparation process thereof, and homopoly

1994-07-01

1996-03-12

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 1418

Patent

active

054986826

ABSTRACT:
The invention relates to new thermoprocessable copolymers of tetrafluoroethylene constituted by perfluoromethylvinylether (0.5-13% by weight), a fluorinated dioxole (0.05-3%) and tetrafluoroethylene (difference to 100%), particularly useful for coating electric cables by melt extrusion. It relates also to new perfluorodioxoles of formula ##STR1## wherein R.sub.F is a C.sub.1 -C.sub.5 perfluoroalkyl radical; X.sub.1 and X.sub.2 are, independently from each other, F or CF.sub.3 ; and their homopolymers and copolymers, in particular thermoprocessable copolymers as defined above.

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European Search Report dated Sep. 8, 1994 for EP 94 10 9782 with Annex.

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