Puncture-resistant polyolefin membranes

Details Puncture-resistant polyolefin membranes Puncture-resistant polyolefin membranes

1998-08-14

2000-08-01

Fortuna, Ana

Liquid purification or separation

Filter

Material

21050027, 21050042, 264 41, 264 48, 4283193, B01D 7106

Patent

active

060962135

ABSTRACT:
Briefly, in one aspect, the present invention provides puncture resistant microporous materials made of melt-processable semi-crystalline thermoplastic polymers. The microporous materials can be produced at relatively high rates and at low cost. Films and multilayer constructions made of the microporous materials and methods of making microporous materials also are provided.

REFERENCES:
patent: 4247498 (1981-01-01), Castro
patent: 4539256 (1985-09-01), Shipman
patent: 4726989 (1988-02-01), Mrozinski
patent: 4867881 (1989-09-01), Kinzer
patent: 5051183 (1991-09-01), Takita et al.
patent: 5238623 (1993-08-01), Mrozinski
patent: 5683634 (1997-11-01), Fujii et al.
patent: 5759678 (1998-06-01), Fujii et al.
patent: 5772884 (1998-06-01), Tanaka et al.
patent: 5882518 (1999-03-01), Yagi et al.

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