Novel fluorinated copolymer with tridihydro fluorosulfonyl fluor

Details Novel fluorinated copolymer with tridihydro fluorosulfonyl fluor Novel fluorinated copolymer with tridihydro fluorosulfonyl fluor

1980-05-23

1982-05-11

Hamrock, William F.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 30, 521 27, 204296, B01J 4712

Patent

active

043294359

ABSTRACT:
A novel fluorinated copolymer is prepared by copolymerization of a fluorinated olefin with a novel sulfur containing fluorinated vinyl ether of the formula: ##STR1## wherein k is 0 or 1 and l is an integer of 3 to 5, which is prepared from starting materials which are also novel. Said copolymer is useful for preparation of a fluorinated cation exchange membrane having carboxylic acid groups and/or sulfonic acid groups which can be used advantageously in electrolysis of an aqueous alkali metal halide solution with improved electrolysis performance.

REFERENCES:
patent: 4151053 (1979-04-01), Seko et al.
patent: 4176215 (1979-11-01), Molnar et al.

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