Separation process

Details Separation process Separation process

1978-02-21

1980-02-12

Hart, Charles N.

Coating processes

Foraminous product produced

Microporous coating

264 41, 210500M, B05D 500

Patent

active

041884183

ABSTRACT:
The flux rate of ultrafiltration membranes is markedly improved by the presence of inert, water-insoluble, impervious particles, particularly of metals and their alloys, distributed wholly within the membrane. The particles are particularly effective in the region adjacent the interface of the membrane with a support surface and may be distributed previously in the casting dope, or applied in a thin coating to the surface on which the membrane is subsequently prepared by casting from the dope. The membrane is in flat, tubular or filamentary form.

REFERENCES:
patent: 2574533 (1951-11-01), Cornwell et al.
patent: 3555129 (1971-01-01), Fukada et al.

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