Fluorine-containing copolymer having rings on its main chain

Details Fluorine-containing copolymer having rings on its main chain Fluorine-containing copolymer having rings on its main chain

1997-11-26

1999-10-05

Lipman, Bernard

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526254, 526255, C08F 1220

Patent

active

059626127

ABSTRACT:
A fluorine-containing copolymer comprising (a) polymer units based on a fluoroolefin, (b) polymer units based on a cyclic monomer having, on its ring, an unsaturated group copolymerizable with the fluoroolefin, (c) polymer units based on an ethylenically unsaturated compound having a curable moiety but having neither an ester bond nor an ether bond, and optionally (d) polymer units based on at least one olefin selected from ethylene, propylene and isobutylene, or polymer units based on a vinyl ether having an aliphatic ring, in such proportions that, based on the total amount of polymer units (a), (b), (c) and (d), polymer units (a) are from 35 to 65 mol %, polymer units (b) are from 5 to 45 mol %, polymer units (c) are from 1 to 30 mol % and polymer units (d) are from 0 to 40 mol %, which has a number average molecular weight within a range of from 2,000 to 100,000, as calculated as polystyrene by gel permeation chromatograph, and which has rings based on said cyclic monomer, on the main chain of the copolymer.

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Patent Abstract of Japan, vol. 18, No. 415 (C-1233), Aug. 4, 1994, JP 6 122730, May 6, 1994.
Answer 7 of 29 JP 06122730-940506 by Marcumoto Etsuzo et al; in house computer generated abstract pp. 16, 17.

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