Filtration membranes and method of making the same

Details Filtration membranes and method of making the same Filtration membranes and method of making the same

1990-10-12

1992-04-28

Spear, Frank

Liquid purification or separation

Filter

Material

427245, B01D 6902

Patent

active

051086077

ABSTRACT:
Microporous membranes can be prepared which comprise a polymer which is a hydrophobic polymer in bulk form and which has an equilibrium water absorption from about 2% to about 4%, but is hydrophilic when precipitated as a membrane. The membranes are further characterized by high water flow rates at any given bubble point.

REFERENCES:
patent: 4900449 (1990-02-01), Kraus et al.

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