Title:
COLOR-CHANGEABLE ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2022/054634
Kind Code:
A1
Abstract:
The adhesive sheet S according to the present invention comprises an adhesive layer 10 capable of changing colors via an external stimulation. The adhesive layer 10 contains an adhesive composition. The adhesive composition comprises a metal complex, an acid-generating agent, and a coloring compound producing a color by reaction with an acid.
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Inventors:
MIZUNO DAISUKE (JP)
NAKANO TAKESHI (JP)
KATO MASATOSHI (JP)
NAKANO TAKESHI (JP)
KATO MASATOSHI (JP)
Application Number:
PCT/JP2021/031866
Publication Date:
March 17, 2022
Filing Date:
August 31, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/38; C09J11/06; C09J201/00
Domestic Patent References:
| WO2020189390A1 | 2020-09-24 | |||
| WO2021075401A1 | 2021-04-22 | |||
| WO2019035411A1 | 2019-02-21 | |||
| WO2016129568A1 | 2016-08-18 |
Foreign References:
| JPH02107681A | 1990-04-19 | |||
| JPS62153377A | 1987-07-08 | |||
| JP2007326960A | 2007-12-20 |
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
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