Perfluorodioxoles, the preparation process thereof, and...

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

C - Chemistry, Metallurgy

07

D

C07D 317/34 (2006.01) C07D 317/42 (2006.01) C08F 34/02 (2006.01) C08F 214/26 (2006.01)

Patent

CA 2127219

ABSTRACT "NEW PERFLUORODIOXOLES, THE PREPARATION PROCESS THEREOF, AND HOMOPOLYMERS AND COPOLYMERS OBTAINED THEREFROM" 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 Image wherein RF is a C1-C5 perfluoroalkyl radical; X1 and X2 are. independently from each other, F or CF3; and their homopolymers and copolymers, in particular thermoprocessable copolymers as defined above.

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