Title:
ADHESIVE SHEET AND METHOD FOR MANUFACTURING ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2023/176023
Kind Code:
A1
Abstract:
Provided is an adhesive sheet 1 comprising: a base material 11 formed from a paper material; and an adhesive layer 12 laminated on at least one surface of the base material 11, wherein an adhesive constituting the adhesive layer 12 contains a cyclodextrin derivative. The total light transmittance of the adhesive sheet 1 is preferably 50% or less. Moreover, the gel fraction of the adhesive is preferably 10% or less. Furthermore, a total light transmittance change amount (points) obtained by subtracting the total light transmittance (%) of only the base material from the total light transmittance (%) of a laminate comprising the base material 11 and the adhesive layer 12 is preferably from 0 points to 20 points, inclusive. Through the adhesive sheet 1, good fixability to an adherend can be exhibited, and the adhesive layer can be recycled.
Inventors:
KOSABA SHO (JP)
ARAI TAKAYUKI (JP)
KASHIO MIKIHIRO (JP)
ARAI TAKAYUKI (JP)
KASHIO MIKIHIRO (JP)
Application Number:
PCT/JP2022/037117
Publication Date:
September 21, 2023
Filing Date:
October 04, 2022
Export Citation:
Assignee:
LINTEC CORP (JP)
International Classes:
C09J11/06; C09J7/38; C09J133/00; C09J201/02
Domestic Patent References:
| WO2007097365A1 | 2007-08-30 |
Foreign References:
| JPH09241598A | 1997-09-16 | |||
| JPH01153601A | 1989-06-15 | |||
| JPS6253662A | 1987-03-09 | |||
| JP2013209586A | 2013-10-10 | |||
| JP2017014153A | 2017-01-19 | |||
| JP2014162834A | 2014-09-08 |
Attorney, Agent or Firm:
HAYAKAWA Yuzi et al. (JP)
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