Perfluorodioxoles, the preparation process thereof, and homopoly

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

1995-11-21

1996-11-05

Schofer, Joseph L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549450, 549453, C07D31700

Patent

active

055719325

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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