Electrolyte permeable diaphragm including a polymeric metal oxid

Details Electrolyte permeable diaphragm including a polymeric metal oxid Electrolyte permeable diaphragm including a polymeric metal oxid

1986-11-04

1987-07-14

Andrews, R. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204296, 521 53, 521 55, 427243, 428271, 428421, 428422, 428443, C25B 1300

Patent

active

046801014

ABSTRACT:
A polymeric metal oxide such as polytitanic acid, polyzirconic acid or polysilicic acid is incorporated into a liquid permeable diaphragm formed of, e.g., asbestos, asbestos and a polymer resin, polytetrafluoroethylene, or a major amount polyfluorocarbon fibrils and a minor amount perfluorinated ion exchange material. Optionally, the diaphragm may also include inorganic materials such as zirconium oxide, titanium dioxide, aluminum oxide, talc, barium sulfate or potassium titanate, and hydrous inorganic gels such as magnesium oxide gel, zirconium oxide gel, titanium oxide gel or zirconyl phosphate gel.

REFERENCES:
patent: 4111866 (1978-09-01), Torikai et al.
patent: 4238803 (1980-12-01), Fang
patent: 4272588 (1981-06-01), Yoldas et al.
patent: 4278632 (1981-07-01), Yoldas et al.
patent: 4286024 (1981-08-01), Yoldas et al.
patent: 4346131 (1982-08-01), Yoldas et al.

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