Amorphous perfluoropolymers

Details Amorphous perfluoropolymers Amorphous perfluoropolymers

1997-04-21

1999-03-16

Lipman, Bernard

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

526247, C08K 502

Patent

active

058831770

ABSTRACT:
Use of amorphous perfluoropolymers based on homopolymers of the TTD dioxole or its amorphous copolymers to prepare solutions in fluoro-containing solvents, to obtain solutions for coatings, wherein TTD has the formula: ##STR1## wherein R.sub.F is a perfluoroalkylic radical with 1-5 carbon atoms, linear or branched when possible; X.sub.1 and X.sub.2 equal to or different from each other being F or CF.sub.3 ; the TTD amount ranges from 40 to 100% by moles.

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W.H. Buck, P.R. Resnick, Technical Information "Properties of Amorphous Fluoropolymers Based on 2,2-Bistrifluoromethyl-4,5-Difluoro-1, 3-Dioxole" 183.sup.rd Meeting of the Electromechanical Society Honolulu, HI, May 17, 1993, pp. 1-11.

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