POLYOLEFIN MICROPOROUS MEMBRANE AND METHOD OF MANUFACTURING THE SAME

Disclosed are a polyolefin microporous membrane which has good hydrophile property, mechanical strength, and porosity without the difficulty of a manufacturing process and copes with a sudden increase of temperature in a battery, and a method of manufacturing the same. The microporous membrane and m...

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Bibliographische Detailangaben
1. Verfasser:	RYU, SU SUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SEPARATION TRANSPORTING
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Zusammenfassung:	Disclosed are a polyolefin microporous membrane which has good hydrophile property, mechanical strength, and porosity without the difficulty of a manufacturing process and copes with a sudden increase of temperature in a battery, and a method of manufacturing the same. The microporous membrane and method include a polyolefin resin of 30-70 wt% and an additive of 70-30 wt% which includes cellulose fiber of 1-80 wt%, hydrocarbon based polymer, polyester based plasticizer, epoxy based plasticizer, and fluorine based surfactant. It can be fabricated by the stretching and extraction of plasticizer.