Ethylene copolymers with tetrafluoroethylene and/or chlorotriflu

Details Ethylene copolymers with tetrafluoroethylene and/or chlorotriflu Ethylene copolymers with tetrafluoroethylene and/or chlorotriflu

1996-01-04

1997-01-28

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 1624

Patent

active

055978800

ABSTRACT:
Copolymers comprising:
(A) from 30 to 70% by moles of ethylene;
(B) from 30 to 70% by moles of a fluorinated monomer selected from tetrafluoroethylene, chlorotrifluoroethylene, or their mixtures;
(C) from 0.1 to 10% by moles with respect to the total amount of monomers (A) and (B), of a fluorodioxol having the formula: ##STR1## wherein R.sub.F is a perfluoroalkyl having from 1 to 5 carbon atoms; X.sub.1 and X.sub.2, equal to or different from each other, are --F or --CF.sub.3 ; Z is selected from --F, --H, --Cl.

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patent: 5021516 (1991-06-01), Wheland
patent: 5182342 (1993-01-01), Feiring et al.
Trifluoromethyl Hypofluorite, by K. B. Kellogg and George H. Cady, J. Am. Chem. Soc., vol. 70, pp. 3986, (1948).

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