Title:
HOT-MELT ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2023/228835
Kind Code:
A1
Abstract:
The hot-melt adhesive sheet according to the present invention comprises a base material and an adhesive layer laminated on at least one side of the base material, which is an adhesive layer formed from a hot-melt adhesive, wherein the hot-melt adhesive contains a crosslinked product of an adhesive composition that contains a crosslinking agent; the adhesive composition contains a polyurethane resin, an epoxy resin, and an isocyanate-based crosslinking agent; the polyurethane resin contains a polyester urethane resin having an aromatic polyester skeleton; and the epoxy resin contains an unmodified epoxy resin having an epoxy equivalent weight of 300-1500 g/eq.
Inventors:
TAKABATAKE RYOTA (JP)
TABUCHI AKIHIRO (JP)
TABUCHI AKIHIRO (JP)
Application Number:
PCT/JP2023/018420
Publication Date:
November 30, 2023
Filing Date:
May 17, 2023
Export Citation:
Assignee:
NITTO SHINKO CORP (JP)
International Classes:
C09J7/35; C09J163/00; C09J175/06; H01M8/0271; H01M8/0284
Foreign References:
| JP2019112536A | 2019-07-11 | |||
| JP2019156925A | 2019-09-19 | |||
| JP2010254953A | 2010-11-11 | |||
| JP2014170632A | 2014-09-18 | |||
| JP7231105B1 | 2023-03-01 |
Attorney, Agent or Firm:
FUJIMOTO & PARTNERS (JP)
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