Electrolysis cell using cation exchange membranes of improved pe

Details Electrolysis cell using cation exchange membranes of improved pe Electrolysis cell using cation exchange membranes of improved pe

1976-04-27

1977-05-31

Andrews, R. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204296, C25C 1308, C25C 900

Patent

active

040267830

ABSTRACT:
Fluorinated cation exchange polymers are obtained from intermediate fluorinated polymers containing pendant sulfonyl halide groups which are reacted with a di- or poly-amine and subjected to elevated temperature of the order of 170.degree. to 300.degree. C. The polymers are desirably employed with pendant side groups in the salt form. The polymers possess permselectivity giving desirable performance in electrolytic cells such as chlor-alkali cells as well as membrane ion exchanger and reverse osmosis devices.

REFERENCES:
patent: 3969285 (1976-07-01), Grot

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