Title:
LAMINATED FILM
Document Type and Number:
WIPO Patent Application WO/2023/017785
Kind Code:
A1
Abstract:
A laminated film (10a) has a polyolefin microporous membrane (20) and a porous support layer (30), wherein the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by scattered bonding parts (40) containing a thermoplastic resin, and the Gurley value of the laminated film is 5 sec / 100 ml to 100 sec / 100 ml.
Inventors:
IKUTA MAMI (JP)
Application Number:
PCT/JP2022/030003
Publication Date:
February 16, 2023
Filing Date:
August 04, 2022
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
B32B5/32; B01D69/00; B01D69/02; B01D69/10; B01D69/12; B01D71/14; B01D71/26; B32B27/32; C12M1/00; C12N1/02
Domestic Patent References:
| WO2020028328A1 | 2020-02-06 |
Foreign References:
| JPH05138786A | 1993-06-08 | |||
| JPH1066847A | 1998-03-10 | |||
| JPH0747633A | 1995-02-21 | |||
| JP2017522210A | 2017-08-10 | |||
| JP2014061505A | 2014-04-10 | |||
| JP2011512252A | 2011-04-21 | |||
| JP2015163465A | 2015-09-10 | |||
| JPH11179120A | 1999-07-06 | |||
| JP2008114530A | 2008-05-22 | |||
| JP2021130802A | 2021-09-09 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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