INCREASING METHOD FOR CURRENT EFFICIENCY OF CATION EXCHANGE MEMBRANE

Title:

INCREASING METHOD FOR CURRENT EFFICIENCY OF CATION EXCHANGE MEMBRANE

Document Type and Number:

Japanese Patent JPS546870

Kind Code:

A

Abstract:

PURPOSE:To increase current efficiency of a cation exchange membrane which is treated with amine at one side and is made of fluoropolymer having sulfonyl halide side chains, by swelling it with a hydrophilic org. solvent, and after heating the membrane interposed between flat plates, by treating it with alkali.

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Inventors:

KIYOTA TOORU
SHIMIZU AKIHIKO

Application Number:

JP7208477A

Publication Date:

January 19, 1979

Filing Date:

June 20, 1977

Export Citation:

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Assignee:

TOYO SODA MFG CO LTD

International Classes:

C25B13/08; C08J5/22; C25B1/46; (IPC1-7): C08J5/22; C25B1/46; C25B13/08

Next Patent: JPS546871