Method of making microporous asbestos diaphragms/cathodes for el

Details Method of making microporous asbestos diaphragms/cathodes for el Method of making microporous asbestos diaphragms/cathodes for el

1991-12-04

1994-06-14

Gorgos, Kathryn

Coating processes

Heat decomposition of applied coating or base material

427246, 427294, 427 77, 432 13, 204296, 204282, B05D 302

Patent

active

053208676

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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