LOW-SHRINKABLE FINE POROUS FILM AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To obtain a safer low-shrinkable microporous film having a low shrinkage percentage even under a high-temperature condition, excellent basic characteristics of film such as air permeability, etc., to provide a method for producing the same, to obtain a separator for a battery c...

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Bibliographische Detailangaben
Hauptverfasser:	EMORI HIDEYUKI, YAMAGUCHI MUTSUKO, NOMI TOSHISUKE, ICHIKAWA TOMOAKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a safer low-shrinkable microporous film having a low shrinkage percentage even under a high-temperature condition, excellent basic characteristics of film such as air permeability, etc., to provide a method for producing the same, to obtain a separator for a battery comprising the low-shrinkable microporous film and a lithium ion secondary battery obtained by using the low-shrinkable microporous film as a separator for a battery. SOLUTION: This low-shrinkable microporous film has