Title:
ADHESIVE COMPOSITION AND ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2023/140316
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an adhesive composition that readily forms a thin, high-quality polyester adhesive in a composition that contains a polyester polymer and a crosslinking agent and additionally contains a prescribed amount or more of a tackifying resin. Provided is an adhesive composition containing a polyester polymer, a tackifying resin, and a crosslinking agent. The tackifying resin content is 20 parts by weight or greater per 100 parts by weight of the polyester polymer. The weight-average molecular weight of the polyester polymer is 110,000 or greater.
Inventors:
KAWANISHI DAISUKE (JP)
NIWA MASAHITO (JP)
FUJII SHOKI (JP)
NIWA MASAHITO (JP)
FUJII SHOKI (JP)
Application Number:
PCT/JP2023/001479
Publication Date:
July 27, 2023
Filing Date:
January 19, 2023
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J167/00; C09J7/38; C09J11/06; C09J11/08
Domestic Patent References:
| WO2021162056A1 | 2021-08-19 | |||
| WO2022181141A1 | 2022-09-01 |
Foreign References:
| JP2011088961A | 2011-05-06 | |||
| JP2011088957A | 2011-05-06 | |||
| US20190106603A1 | 2019-04-11 | |||
| JP2021134354A | 2021-09-13 |
Attorney, Agent or Firm:
OI, Michiko (JP)
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