LAMINATE FOR BATTERY - MITSUI CHEMICALS INC

Title:

LAMINATE FOR BATTERY

Document Type and Number:

WIPO Patent Application WO/2018/180165

Kind Code:

A1

Abstract:

Provided is a laminate for a battery, which includes a metal base material layer and a polypropylene-based adhesive layer that satisfies at least the following conditions (1) to (4): (1) the adhesive contains 40-94 wt% of a propylene-based copolymer (A), 3-30 wt% of a butene-containing copolymer (B) and 3-30 wt% of an ethylene·α-olefin copolymer (C) (here, the total quantity of the copolymers (A), (B) and (C) is 100 wt%); (2) the copolymer (A) is a polymer having a melting point of 130ºC or higher, as measured by differential scanning calorimetry, and the overall proportion of structural units derived from ethylene is 4-25 mol% relative to a total of 100 mol% of all the structural units that constitute the copolymer (A) contained in the adhesive; (3) the copolymer (B) has a content of structural units derived from ethylene of less than 1 mol%, and has a melting point of 100ºC or lower, as measured by differential scanning calorimetry; and (4) the copolymer (C) has a content of structural units derived from ethylene of 50-99 mol%.

Inventors:

MAEDA TAKAHIRO (JP)
OGAWA YOSHIYUKI (JP)

Application Number:

PCT/JP2018/007746

Publication Date:

October 04, 2018

Filing Date:

March 01, 2018

Export Citation:

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Assignee:

MITSUI CHEMICALS INC (JP)

International Classes:

B32B15/01; C09J123/16; C09J7/20; H01G9/20; H01L31/048; H01M8/0228; H01M8/0284; H01M50/119; H01M50/121; H01M50/124; H01M50/131; H01M50/193; H01M50/417; H01M50/489

Domestic Patent References:

WO2016125684A1	2016-08-11
WO2007086425A1	2007-08-02
WO2007086425A1	2007-08-02

Foreign References:

JP2016502579A	2016-01-28
JP2013540867A	2013-11-07
JPH09111069A	1997-04-28
JPH04300933A	1992-10-23

Other References: