Hydrophilic membranes prepared from polyethersulfone/poly-2-oxaz

Details Hydrophilic membranes prepared from polyethersulfone/poly-2-oxaz Hydrophilic membranes prepared from polyethersulfone/poly-2-oxaz

1991-12-19

1993-01-12

Spear, Frank

Liquid purification or separation

Processes

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

21050041, 264 41, B01D 6114

Patent

active

051787652

ABSTRACT:
Porous blended hydrophilic copolymer (polyethersulfone resin, poly-2-oxazoline resin, and polyvinylpyrrolidone resin) microporous membranes are provided which are useful for filtering macromolecules or particles from fluids. The invention also concerns a process for filtering matter from a fluid, employing the membranes.

REFERENCES:
patent: 4678833 (1987-07-01), McCreedy et al.
patent: 4704324 (1987-11-01), Davis et al.
patent: 4900449 (1990-02-01), Kraus et al.
A New Water- and Organic-Soluble Adhesive, Chiu et al., Advances in Chemistry Series 213, pp. 425-544, American Chemical Society, 1986.

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