Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1994-07-14
1995-11-28
Gorgos, Kathryn
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204296, 204282, 204283, 427 77, 427245, 427243, C25B 1308, C25B 900
Patent
active
054704499
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-free microporous fibrous sheet material, such sheet material including from 3% to 35% by weight of fluoropolymer binder, from 0% 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 a mixture of poly-tetrafluoroethylene (PTFE) fibers and inorganic fibers, such inorganic fibers constituting from 1% to 80% by weight of the mixture and such inorganic fibers including carbon, graphite or titanate fibers, or admixture thereof.
REFERENCES:
patent: 4105516 (1978-08-01), Martinsons et al.
patent: 4243504 (1981-01-01), Fang et al.
patent: 4720334 (1988-01-01), DuBois et al.
patent: 4775551 (1988-10-01), Bachot et al.
patent: 4810345 (1989-03-01), Schulz et al.
Bachot Jean
Stutzmann Pascal
Gorgos Kathryn
Rhone-Poulenc Chimie
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