Electrolysis of sodium chloride

Details Electrolysis of sodium chloride Electrolysis of sodium chloride

1978-11-22

1980-02-19

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, 204296, C25B 116, C25B 126, C25B 1304, C25B 1308

Patent

active

041893611

ABSTRACT:
An electrolysis of sodium chloride is carried out by using a cation exchange membrane obtained by the following treatment.
The cation exchange membrane is prepared by treating one surface of a membrane of a perfluorocarbon polymer having sulfonyl halide groups with a diamine or a polyamine at a temperature of 170.degree. C. to a deterioration temperature of the membrane and immersing a diene derivative having a carboxyl group or a group which can be converted to carboxyl group into the membrane to polymerize the diene derivative and treating the membrane with a water miscible organic solvent having a boiling point of higher than 120.degree. C. in 760 mmHg between smooth plates at 80.degree. C. to 180.degree. C.

REFERENCES:
patent: 4026783 (1977-05-01), Grot

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