SHEATH-CORE TYPE FIBER, FIBER SHEET USING THE FIBER AND SEPARATOR FOR BATTERY USING THE FIBER

PROBLEM TO BE SOLVED: To obtain a sheath-core type fiber improvable so as to have an excellent inhibitory action on self discharge of buttery, a sheath-core type fiber containing an introduced sulfonic group, a fiber sheet using the sheath-core type fiber and to provide a separator for battery compo...

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Bibliographische Detailangaben
Hauptverfasser:	IWASAKI YORIO, AMAGASA TAKAAKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BASIC ELECTRIC ELEMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS COTTON-WOOL ELECTRICITY FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR KNITTING LACE-MAKING LAUNDERING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a sheath-core type fiber improvable so as to have an excellent inhibitory action on self discharge of buttery, a sheath-core type fiber containing an introduced sulfonic group, a fiber sheet using the sheath-core type fiber and to provide a separator for battery composed of the fiber sheet using the sheath-core fiber. SOLUTION: This sheath-core type fiber comprises a core component in which a methacrylic acid-ethylene copolymer and a polymer having 100-1,000 poise viscosity exist together and a core component composed of a polymer having 100-2,000 poise viscosity. This fiber sheet uses the sheath-core fiber in which the sheath component of the sheath-core fiber is contained in a fused and/or fibrillated state. This separator for battery comprises the fiber sheet in which the sheath component of the sheath-core type fiber to which a sulfonic group is introduced is contained in a fused and/or fibrillated state.