MAT FOR BAG TYPE SEPARATOR

PURPOSE:To easily form a battery separator by mixing and sheet-making glass and thermoplastic organic fibers at a special rate and forming them into a bag type separator by means of the heat sealing method. CONSTITUTION:A glass fiber at its average diameter of 0.5mu and a polyethylene fiber at its a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MUTOU JIYUNSUKE, KITABAYASHI MASANOBU, TOMITA SEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	PURPOSE:To easily form a battery separator by mixing and sheet-making glass and thermoplastic organic fibers at a special rate and forming them into a bag type separator by means of the heat sealing method. CONSTITUTION:A glass fiber at its average diameter of 0.5mu and a polyethylene fiber at its average diameter of 20mu are mixed within the range where the quantity of organic fibers becomes 25-50wt% for the total amount of both fibers and uniformly dispersed in water at a proportion of one part for 100pts. of water. They are sheet-made by a sheet-making device. A small width belt-like mat is formed by dehydrating and drying them, cut into a desired length, bent, and overlapped. A bag type separator is obtained by thermally fusing the circumference by means of the high frequency. Therefore, it functions as a micro- porous separator and a retainer glass mat and enables heat sealing. As a result, the bag type separator can easily be formed.