Fluorinated ion exchange polymer containing carboxylic groups, a

Details Fluorinated ion exchange polymer containing carboxylic groups, a Fluorinated ion exchange polymer containing carboxylic groups, a

1983-08-25

1984-12-11

Gallagher, John J.

Chemistry: electrical and wave energy

Processes and products

204100, 204252, 204296, 2105002, 428421, 428422, 521 27, C25B 114

Patent

active

044876688

ABSTRACT:
Fluorinated ion exchange polymers which have pendant side chains which contain ##STR1## groups wherein W is F or CF.sub.3, and R is an ionizable group, or which have such pendant side chains and also pendant side chains which contain sulfonyl groups, when used in the form of membranes to separate the anode and cathode compartments of an electrolysis cell, permit operation at high current efficiency. They can be made by copolymerization of a mixture of monomers, one of which is a vinyl monomer which contains the indicated carboxylic functional group.

REFERENCES:
patent: 4065366 (1977-12-01), Oda et al.
patent: 4090932 (1978-05-01), Kazihara et al.
patent: 4116888 (1978-09-01), Ukihashi et al.
patent: 4126588 (1978-11-01), Ukihashi et al.
patent: 4140615 (1979-02-01), Kadija et al.
patent: 4151053 (1979-04-01), Seko et al.
patent: 4176215 (1979-11-01), Molnar et al.

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