Electrolytic diaphragms, and method of electrolysis using the sa

Details Electrolytic diaphragms, and method of electrolysis using the sa Electrolytic diaphragms, and method of electrolysis using the sa

1975-01-31

1979-08-28

Edmundson, F. C.

Chemistry: electrical and wave energy

Processes and products

204296, C25B 1308, C25B 146

Patent

active

041660145

ABSTRACT:
An electrolytic diaphragm consisting essentially of a main layer composed of a polymeric membranous material uniformly containing cation exchange groups and fluorine atoms chemically bonded thereto and a secondary layer having a smaller thickness than said main layer and composed of at least one of an electrically neutral layer and a layer containing an anion exchange group, said secondary layer being in intimate contact with said main layer at at least one surface layer portion or interior of said main layer. A method for electrolyzing alkali salts, using aforesaid electrolytic diaphragm.

REFERENCES:
patent: 3510418 (1970-05-01), Mizutani et al.
patent: 3562139 (1971-02-01), Leitz
patent: 3853721 (1974-12-01), Darlington et al.
patent: 3887499 (1975-06-01), Hodgdon
patent: 3905879 (1975-09-01), Eng et al.
patent: 3976549 (1976-08-01), Falvo

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