ADHESIVE, ADHESIVE FOR PACKAGING MATERIAL FOR BATTERY, LAMINATE, PACKAGING MATERIAL FOR BATTERY, CONTAINER FOR BATTERY, AND BATTERY

Title:

ADHESIVE, ADHESIVE FOR PACKAGING MATERIAL FOR BATTERY, LAMINATE, PACKAGING MATERIAL FOR BATTERY, CONTAINER FOR BATTERY, AND BATTERY

Document Type and Number:

WIPO Patent Application WO/2020/179610

Kind Code:

A1

Abstract:

Provided is a packaging material for batteries which has excellent formability and which suffers neither a decrease in interlaminar bonding strength nor an appearance failure, e.g., interlaminar separation, after sealant-layer thermal fusion bonding for sealing up battery elements and even after a long-term durability test performed under high-temperature high-humidity conditions. Also provided are: a two-pack type adhesive characterized by comprising a polyol composition (A) and a polyisocyanate composition (B), the polyisocyanate composition (B) comprising one or more isocyanate compounds (B1) including an aromatic polyisocyanate and one or more isocyanate compounds (B2) including at least one compound selected from the group consisting of diphenylmethane diisocyanate and carbodiimide-modified diphenylmethane diisocyanates, this adhesive being used to produce the packaging material for batteries; a container for batteries; and a battery.

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Inventors:

KOBAYASHI HIROKI (JP)
MURAKAMI NORIYASU (JP)
MIHARA TAKASHI (JP)
KANNO TSUTOMU (JP)
NAKAMURA HIDEMI (JP)
KOUYAMA TATSUYA (JP)

Application Number:

PCT/JP2020/007995

Publication Date:

September 10, 2020

Filing Date:

February 27, 2020

Export Citation:

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Assignee:

DAINIPPON INK & CHEMICALS (JP)

International Classes:

B32B27/40; B32B7/12; B32B15/08; B32B15/095; C08G18/79; C09J175/04; C09J175/06

Domestic Patent References:

WO2018186383A1

2018-10-11

Foreign References:

JP2000230166A	2000-08-22
JP2009226749A	2009-10-08
JP2017025287A	2017-02-02
JP2017152349A	2017-08-31
JP2017214526A	2017-12-07

Attorney, Agent or Firm:

OGAWA Shinji (JP)

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