Title:
SEPARATOR FOR ALKALINE BATTERY, ITS MANUFACTURING METHOD AND BATTERY
Document Type and Number:
Japanese Patent JP2002343328
Kind Code:
A
Abstract:
To provide a separator for an alkaline battery having a sulfonic group in a large quantity while maintaining strength of its raw material.
Polyolefin system nonwoven fabric is formed with sulfonic group-containing multi-core complex fiber and separately prepared polyolefin system fiber as main components, and a separator material is manufactured by increasing volume of a sulfonic group contained in the sulfonic group- containing multi-core complex fiber by further putting the polyolefin system nonwoven fabric under sulfonation treatment.
Inventors:
NAKANO SHIGEKAZU
TANIGUCHI TOSHIAKI
KANDA NOBUO
TANIGUCHI TOSHIAKI
KANDA NOBUO
Application Number:
JP2001145742A
Publication Date:
November 29, 2002
Filing Date:
May 16, 2001
Export Citation:
Assignee:
OJI PAPER CO
International Classes:
D06M13/265; D04H1/4291; D04H1/498; D21H13/14; D21H15/10; H01M2/16; H01M10/30; (IPC1-7): H01M2/16; D04H1/42; D04H1/46; D06M13/265; D21H13/14; D21H15/10; H01M10/30