Porous composite membrane and process

Details Porous composite membrane and process Porous composite membrane and process

1995-10-19

1997-05-13

McCamish, Marion E.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283084, 4283155, 4283166, 4283159, B32B 326, B32B 514

Patent

active

056290845

ABSTRACT:
A composite porous membrane is provided which comprises a porous membrane substrate having an average pore size between 0.01 and 10 microns formed of a first polymer which is coated over its entire surface with a crosslinked second polymer. The second polymer is dissolved in a solvent with a free radical polymerization initiator in the absence of a crosslinking agent. The second polymer is crosslinked in situ and rendered insoluble by mild heating and/or exposure to ultraviolet light.

REFERENCES:
patent: 4113912 (1978-09-01), Okita
patent: 4618533 (1986-10-01), Steuck
patent: 4906374 (1990-03-01), Gsell

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