Title: Multi-layered diaphragm for electrolysis
Application Number: 85109358 Application Date: 1985.11.28
Publication Number: 1002690 Publication Date: 1986.08.27
Approval Pub. Date: 1990.09.05 Granted Pub. Date: 1990.09.05
International Classifi-cation: C25B1/46;C25B9/00;C25B13/00
Applicant(s) Name: Asahi Glass Co., Ltd. Address:
Inventor(s) Name: Haruhisa Miyake;Manabu Suhara;Yoshio Sugaya
Attorney & Agent: LUO YINGMING CHEN JIZHUANG
Abstract:
    A multi-layered diaphragm for electrolysis, which comprises a porous layer of a fluorine-containing polymer having a pore diameter of from 0.05 to 10 mu m, a porosity of from 30 to 95% and a thickness of from 30 to 450 mu m and with its interior and anode-side surface being hydrophilic, and an ion exchange resin layer supported on the cathode side thereof and having a thickness thinner than the porous layer but of at least 5 mu m and an ion exchange capacity of from 0.5 to 2.0 meq/g dry resin, the total thickness being from 35 to 500 mu m.
Time: 5
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