Process for the preparation of porous polyolefin separation membranes via thermally-induced phase separation

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 co...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, SUNG-SOO, HWANG, JEONG-RIM, JAE-JIN, SUH, SANG-BONG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	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.