Sulfonated hexafluoro bis-a polysulfone membranes and process fo

Details Sulfonated hexafluoro bis-a polysulfone membranes and process fo Sulfonated hexafluoro bis-a polysulfone membranes and process fo

1989-10-31

1990-11-20

Foelak, Morton

Liquid purification or separation

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Material

55 16, 55158, 21050041, 521 64, B01D 1300

Patent

active

049716956

ABSTRACT:
Sulfonated hexafluoro bis-A-polysulfone membranes of polymers and copolymers having the repeat unit of the structure; ##STR1## in the polymer molecule that exhibit improved permeation and separation characteristics and processes for the use thereof for separation of a component from a fluid mixture of said component in admixture with other components.

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A. Noshay et al., "Sulfonated Polysulfone", J. App. Pol. Sci., 20 1885-1903 (1976).

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