POROUS FILM AND MULTILAYER POROUS FILM

Title:

POROUS FILM AND MULTILAYER POROUS FILM

Document Type and Number:

WIPO Patent Application WO/2006/123798

Kind Code:

A1

Abstract:

Disclosed is a porous film containing a polymer having a thermal decomposition temperature of not less than 200&ring C and a raw material monomer thereof. This porous film is characterized in that the ratio of the raw material monomer is not less than 0.05% by weight and not more than 5% by weight of the total weight of the polymer and the raw material monomer. Also disclosed is a multilayer porous film obtained by arranging the porous film and another porous film containing a thermoplastic resin in layers.

Inventors:

SATO HIROYUKI (JP)
SHINOHARA YASUO (JP)
SUZUKI YUTAKA (JP)

Application Number:

PCT/JP2006/310076

Publication Date:

November 23, 2006

Filing Date:

May 15, 2006

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO (JP)
SATO HIROYUKI (JP)
SHINOHARA YASUO (JP)
SUZUKI YUTAKA (JP)

International Classes:

C08J9/28; B32B5/18; H01G9/02; H01M50/449; H01M50/491; H01M10/052; H01M10/36; H01M50/417; H01M50/489

Foreign References:

JP2001064433A	2001-03-13
JPH05247245A	1993-09-24
JP2003242954A	2003-08-29
JP2005063684A	2005-03-10
JPS5548224A	1980-04-05
JP2005268401A	2005-09-29
JPS6237871A	1987-02-18
DE19918856A1	1999-11-11
JP2003040999A	2003-02-13
JPH104453A	1998-01-06
JP2003105120A	2003-04-09
JP2002054394A	2002-02-20
JP2000106327A	2000-04-11

Other References: