Microporous membranes, method of manufacture

Details Microporous membranes, method of manufacture Microporous membranes, method of manufacture

1996-03-19

1999-07-27

Bell, James J.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264344, 521 63, 521 64, 521 505, B24C 6500

Patent

active

059285826

ABSTRACT:
A microporous membrane and method of manufacture is presented utilizing irradiation and thermal induction phase separation techniques. During manufacture, microsphereulites are created by irradiation of curable agents in a casted polyolefin film. The microsphereulites then serve as nucleating agents in a thermally-induced phase separation step, providing a microporous membrane with improved flow and mechanical properties.

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