Coated perfluorosulfonic acid resin membranes and a method for t

Details Coated perfluorosulfonic acid resin membranes and a method for t Coated perfluorosulfonic acid resin membranes and a method for t

1979-03-23

1980-08-12

Edmundson, F. C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204296, 4273855, C25C 704, C25B 1308, B05D 102

Patent

active

042171989

ABSTRACT:
An improved cation-exchange membrane for use in electrolytic processes which is comprised of a film of a perfluorosulfonic acid resin having a fluoroalkyl resin coating. The improved membrane is produced by applying an uncured fluoroalkyl resin in liquid form to a surface of the film and curing the fluoroalkyl resin to provide a solid coating on the surface of the film. The improved membrane provides efficient ion separation properties at reduced costs for energy.

REFERENCES:
patent: 3838104 (1974-09-01), Hayashi et al.
patent: 3849521 (1974-11-01), Kirimoto et al.
patent: 3909378 (1975-09-01), Walmsley
patent: 3997507 (1976-12-01), Kirimoto et al.
patent: 4100340 (1978-07-01), Waldmann et al.

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