Process for producing halogen and metal hydroxides with cation e

Details Process for producing halogen and metal hydroxides with cation e Process for producing halogen and metal hydroxides with cation e

1976-04-27

1977-06-21

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

C25B 116

Patent

active

040309886

ABSTRACT:
Fluorinated cation exchange polymers are obtained from intermediate fluorinated polymers containing pendant sulfonyl halide groups which are reacted with a di- or polyamine 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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