Composite fluid separation membranes

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

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.

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patent: 4242159 (1980-12-01), Klimmek et al.
patent: 4440643 (1984-04-01), Makino et al.

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