Polymer composite membrane

Details Polymer composite membrane Polymer composite membrane

1988-01-15

1989-10-03

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

55 16, 210640, 210644, 210654, B01D 1300

Patent

active

048714615

ABSTRACT:
A permeable membrane through which water or its vapor permeates selectively nd which contains a polyion complex formed by the association by an ionic bond between an anionic polymer and a cationic polymer on the surface of the membrane and/or in the membrane. This membrane is useful in the separation of water from an aqueous solution of an organic substance or a gaseous mixture of water with an organic substance, and exhibits excellent resistance to solvent, particularly water, and a high permeation rate and a high separation coefficient.

REFERENCES:
patent: 4704324 (1987-11-01), Davis et al.

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