METHOD FOR MANUFACTURING SEPARATOR

The present invention provides a method of manufacturing a separator, which includes: (a) manufacturing a base film by extruding and stretching a composition that includes a crosslinkable polyolefin in which a silane-based compound is grafted to a first polyolefin, a non-crosslinkable polyolefin con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, Ju Ho, CHOI, Yeong Hoon, CHOI, Kwang Ho, CHO, Kuk Jin, KIM, Byung Hyun, PARK, Pyung Yong
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	The present invention provides a method of manufacturing a separator, which includes: (a) manufacturing a base film by extruding and stretching a composition that includes a crosslinkable polyolefin in which a silane-based compound is grafted to a first polyolefin, a non-crosslinkable polyolefin consisting of a second polyolefin, and a pore-forming agent; (b) applying a crosslinking catalyst to the surface of the base film while extracting the pore-forming agent from the base film by applying a solution including the crosslinking catalyst and an extraction solvent to the base film; and (c) crosslinking the crosslinkable polyolefin while removing the extraction solvent remaining on the base film by applying heat and steam to the base film.