Title:
FLUORINE-TYPE CATION EXCHANGE MEMBRANE HAVING TWO-LAYER STRUCTURE AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPS53104583
Kind Code:
A
Abstract:
PURPOSE: Perfluoro-type cation exchange membranes used as the diaphragm having two layers of two kinds of perfluoro copolymers having sulfonic acid groups and carboxylic acid groups, parallel to the surface, and capable of giving high-purity NaOH constantly in high current efficiency.
Inventors:
SEKO MAOMI
YAMAKOSHI YASUMICHI
MIYAUCHI KOUJI
FUKUMOTO MITSUNOBU
KIMOTO KIYOUJI
HANE SHIYUNKOU
HAMADA MASATO
YAMAKOSHI YASUMICHI
MIYAUCHI KOUJI
FUKUMOTO MITSUNOBU
KIMOTO KIYOUJI
HANE SHIYUNKOU
HAMADA MASATO
Application Number:
JP1968877A
Publication Date:
September 11, 1978
Filing Date:
February 24, 1977
Export Citation:
Assignee:
ASAHI CHEMICAL IND
International Classes:
C08F8/00; C08F8/06; C08J5/22; C25B1/46; C25B13/08; (IPC1-7): C08F8/00; C08J5/22; C25B1/46; C25B13/08