Electrolysis of aqueous alkali metal halide solution

Details Electrolysis of aqueous alkali metal halide solution Electrolysis of aqueous alkali metal halide solution

1977-03-30

1980-06-24

Edmundson, F. C.

Chemistry: electrical and wave energy

Processes and products

204252, 204298, C25B 1305, C25B 146

Patent

active

042093678

ABSTRACT:
An electrolytic cell having anode and cathode chambers separated by a cation exchange membrane comprising a fluorocarbon polymer containing pendant carboxylic acid or salt groups of the formula ##STR1## wherein R is a group containing perfluoroalkyl or perfluoroalkoxy having 1 to 5 carbon atoms and M is hydrogen, an alkali or alkaline earth metal or ammonium as a surface stratum on the cathode side of the membrane. The fluorocarbon polymer may also contain sulfonic acid groups of the formula ##STR2##

REFERENCES:
patent: 3356607 (1967-12-01), Eisenmann et al.
patent: 3562139 (1971-02-01), Leitz
patent: 3657104 (1972-04-01), Hodgdon
patent: 3960697 (1976-01-01), Kircher et al.
patent: 4123336 (1978-10-01), Seko et al.

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