Composite fluid separation membranes

Details Composite fluid separation membranes Composite fluid separation membranes

1984-08-13

1989-02-21

Spitzer, Robert

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

55158, 1563088, 156314, 427214, 427322, 427384, 4274071, B32B 3100, B01D 5322

Patent

active

048061891

ABSTRACT:
A composite fluid separation membrane having improved fluid permeabilities and a method for preparing same are disclosed. The composite fluid separation membrane is comprised of a porous support in the form of a flat sheet, tube or hollow fiber which is impregnated with a volatile solvent followed by the in situ formation of a separating layer wherein the preimpregnation of the pores of the porous support with the solvent provide a separating layer of substantially uniform thickness and minimum intrusion of the separating layer polymer into the pores of the porous support.

REFERENCES:
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patent: 3775308 (1973-11-01), Yasuda
patent: 3980456 (1976-09-01), Browall
patent: 4214020 (1980-07-01), Ward et al.
patent: 4230463 (1980-10-01), Henis et al.
patent: 4242159 (1980-12-01), Klimmek et al.
patent: 4440643 (1984-04-01), Makino et al.

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