Porous membrane having hydrophilic surface and process

Details Porous membrane having hydrophilic surface and process Porous membrane having hydrophilic surface and process

1984-11-30

1986-10-21

Schofer, Joseph L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

521 27, 427245, 4273935, B32B 326

Patent

active

046185330

ABSTRACT:
A composite porous membrane is formed from a porous polymeric membrane having desired bulk properties on which is directly coated a cross-linked polymer having desired surface properties. The composites membrane retains the porosity of the porous polymeric membrane. A preferred composite porous membrane is formed from a porous polyvinylidene fluoride to which is directly coated with a polymer formed of a cross-linked hydroxyalkyl acrylate.

REFERENCES:
patent: 2965697 (1960-12-01), Duddy
patent: 3276598 (1966-10-01), Michaels et al.
patent: 3945927 (1976-03-01), Imai et al.
patent: 3966679 (1976-06-01), Gross
patent: 4360434 (1982-11-01), Kawoguchi et al.

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