Porous membrane formed from interpenetrating polymer network hav

Details Porous membrane formed from interpenetrating polymer network hav Porous membrane formed from interpenetrating polymer network hav

1989-11-30

1992-01-07

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 64, 525903, C08L 3308, C08L 3310, C08J 928

Patent

active

050792725

ABSTRACT:
A porous membrane is formed from an interpenetrating polymer network of a hydrophobic polymer and a polymerized and crosslinked hydrophilic monomeric composition. A solution of the polymer and monomeric composition is cast, exposed to ultraviolet radiation, coagulated and dried. The resulting dried membrane is annealed in order to render its surface hydrophilic.

REFERENCES:
patent: 3948823 (1976-04-01), Lee et al.
patent: 4663227 (1987-05-01), Yamamori et al.
patent: 4675213 (1987-06-01), Yamamori et al.
patent: 4810384 (1989-03-01), Fabre
patent: 4845132 (1989-07-01), Masuoka et al.

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