FIBER USING OLEFIN RESIN, NONWOVEN FABRIC USING SAME, AND SEPARATOR FOR ALKALI STORAGE BATTERY

WIPO Patent Application WO/2013/186892

A1

Provided is an inexpensive nonwoven fabric separator for an alkali storage battery, said separator being capable of ensuring stable spinning and restraining self-discharge due to the excellent ability thereof to capture ammonia. A high stability in spinning can be ensured by spinning a resin that comprises, as a fiber, a maleic anhydride-denatured polyolefin in such an amount as to give a maleic anhydride content of 3.5-35 mass%, a crystalline polyolefin, and 1.0 mass% or more of a low-crystalline polyolefin. By employing a nonwoven fabric using the aforesaid fiber as a separator of an alkali storage battery, a high-level ability to capture ammonia can be exhibited and self-discharge can be restrained.

NISHIZAKA KOHEI (JP)
MIZOBUCHI AKIO (JP)
YAMASAKI YASUHISA (JP)

PCT/JP2012/065223

December 19, 2013

June 14, 2012

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NIPPON KODOSHI CORP (JP)
NISHIZAKA KOHEI (JP)
MIZOBUCHI AKIO (JP)
YAMASAKI YASUHISA (JP)

D01F6/46; C08L23/00; D04H1/544; H01M50/417; H01M50/489

JP2002530503A	2002-09-17
JPS60133576U	1985-09-05
JPH01319251A	1989-12-25
JPH06128858A	1994-05-10
JPH05163648A	1993-06-29
JP2004225221A	2004-08-12
JPH03223356A	1991-10-02
JP2000164193A	2000-06-16
JP2001043843A	2001-02-16
JP2001068087A	2001-03-16
JPH10125300A	1998-05-15
JPH0732008A	1995-02-03
JP2715153B2	1998-02-18
JP2762443B2	1998-06-04
JP2904856B2	1999-06-14
JP2007308839A	2007-11-29

PATRIC LEBLANC ET AL., J. ELECTROCHEM., vol. 145, no. 3, 1998, pages 844 - 847
"Battery Handbook", 2001, pages: 237 - 238
See also references of EP 2862963A4

MARUYAMA YUKIO (JP)
Maruyama Yukio (JP)

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