Composite porous membranes

Details Composite porous membranes Composite porous membranes

1992-10-01

1994-03-15

Spear, Frank

Liquid purification or separation

Processes

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

210654, B01D 7154

Patent

active

052943429

ABSTRACT:
The composite membrane is disclosed having a microporous support which is coated with an aqueous polyeurethane dispersion composition wherein the microporous support is surface treated. A process for making and a process for using the membrane is also disclosed.

REFERENCES:
patent: 5045354 (1991-09-01), Feimer et al.

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