Process for the preparation of porous polyolefin separation memb

Details Process for the preparation of porous polyolefin separation memb Process for the preparation of porous polyolefin separation memb

1992-07-15

1993-10-05

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264 85, 264203, 2642093, 2642094, 2642095, 264211, 264561, D01D 524, D01D 5247, D01F 604

Patent

active

052502406

ABSTRACT:
A process is provided which allows economical production of polyolefin separation membranes having various structures, porosities and pore sizes. The process involves using a melt blend solution consisting of a polyolefin such as polypropylene or polyethylene and a diluent selected from the group consisting of natural soybean oil, pure linoleic acid, or a mixtures of oleic acid, linoleic acid and palmitic acid.

REFERENCES:
patent: 4247498 (1981-01-01), Castro
patent: 4539256 (1985-09-01), Shipman
patent: 5120594 (1992-06-01), Mrozinski

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