Microporous asbestos diaphragms/cathodes for electrolytic cells

Details Microporous asbestos diaphragms/cathodes for electrolytic cells Microporous asbestos diaphragms/cathodes for electrolytic cells

1990-08-10

1992-03-03

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204282, 204283, 204296, C25B 1308

Patent

active

050929771

ABSTRACT:
Microporous diaphragms adapted for wet-consolidation with composite cathodes for use in electrolytic cells, e.g., chlorine/soda electrolysis cells, comprise a sintered, fluoropolymer microconsolidated asbestos-based microporous fibrous sheet material, such sheet material including from 3% to 35% by weight of fluoropolymer binder, from 1% to 50% by weight of a uniformly distributed gel of an oxohydroxide of at least one metal of Groups IVA, IVB, VB and VIB of the Periodic Table or of the lanthanide or actinide series thereof, and from 20% to 95% by weight of fibers, at least 1% by weight of such fibers being asbestos fibers.

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