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Title:
POLYOLEFIN MICRO-POROUS FILM
Document Type and Number:
Japanese Patent JP2002321323
Kind Code:
A
Abstract:

To provide a polyolefin micro-porous film which is excellent in a safety characteristic and film strength.

A micro-porous film having polyethylene and polypropylene as essential components is laminated and unified with a polyethylene micro- porous film. Thus, high safety and strength are provided by using this separator, especially it is useful for a separator for a small and high capacity type non- aqueous electrolyte battery in recent years.


Inventors:
ADACHI MICHIYUKI
NISHIMURA YOSHIFUMI
Application Number:
JP2001126337A
Publication Date:
November 05, 2002
Filing Date:
April 24, 2001
Export Citation:
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Assignee:
ASAHI KASEI CORP
International Classes:
B32B27/32; B32B5/32; H01M2/16; (IPC1-7): B32B27/32; B32B5/32; H01M2/16
Domestic Patent References:
JPH11158304A1999-06-15
JPH11269290A1999-10-05
JPH05234578A1993-09-10
JPH11317212A1999-11-16
JP2001043897A2001-02-16
JP2001023602A2001-01-26
Foreign References:
WO2001016219A12001-03-08



 
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