Title:
POLYOLEFIN MICROPOROUS MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2008/053898
Kind Code:
A1
Abstract:
A polyolefin microporous membrane, which has a thickness of 1-100μm,
a pore diameter of 0.01-1μm and a protrusion having a height of 0.5-30μm
arranged by embossing at least on one surface, is provided. A method for manufacturing
the membrane and a battery separator made of the membrane are also provided.
Inventors:
SAKO KENTARO (JP)
NISHIMURA YOSHIFUMI (JP)
NISHIMURA YOSHIFUMI (JP)
Application Number:
PCT/JP2007/071146
Publication Date:
May 08, 2008
Filing Date:
October 30, 2007
Export Citation:
Assignee:
ASAHI KASEI CHEMICALS CORP (JP)
SAKO KENTARO (JP)
NISHIMURA YOSHIFUMI (JP)
SAKO KENTARO (JP)
NISHIMURA YOSHIFUMI (JP)
International Classes:
C08J9/00; H01M10/0565; H01M50/417; H01M50/463; H01M50/489; H01M50/491; H01M50/494
Foreign References:
| JPH093222A | 1997-01-07 | |||
| JPS63162735A | 1988-07-06 | |||
| JPS62167332A | 1987-07-23 | |||
| JPS6354445A | 1988-03-08 | |||
| JP2006287175A | 2006-10-19 | |||
| JP2003206364A | 2003-07-22 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (Roppongi Hills Mori Tower 6-10-1, Roppongi, Minato-k, Tokyo 23, JP)
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