Process for forming porous composite membrane

Details Process for forming porous composite membrane Process for forming porous composite membrane

1996-09-26

1998-09-29

McCamish, Marion E.

Coating processes

Foraminous product produced

Microporous coating

427353, 427373, 427384, B32B 326, B32B 514

Patent

active

058143726

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

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