Title:
ADHESIVE SHEET AND LIGHT CONTROL DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/190124
Kind Code:
A1
Abstract:
The present invention is an adhesive sheet for an optically functional member, said adhesive sheet comprising, as the main components thereof, a (meth)acrylate ester copolymer, a crosslinking agent, and an ultraviolet absorber. The adhesive sheet contains, as the ultraviolet absorber, an ultraviolet absorber A and/or an ultraviolet absorber B. When the adhesive sheet contains the ultraviolet absorber A, the content thereof is not more than 9 parts by weight with respect to 100 parts by weight of the (meth)acrylate ester copolymer. When the adhesive sheet contains the ultraviolet absorber B, the content thereof is not more than 3 parts by weight with respect to 100 parts by weight of the (meth)acrylate ester copolymer. The ultraviolet absorber A contains a compound represented by formula (1). The ultraviolet absorber B contains a compound represented by formula (2). (In the formulas, R1, R4, and R5 represent a C1-6 lower alkyl group, R2 represents a C1-6 lower alkylene group, and R3 represents a C5-15 alkyl group.)
More Like This:
Inventors:
TSUKAMOTO SHUSUKE (JP)
Application Number:
PCT/JP2023/011754
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
C09J7/38; C09J133/04
Domestic Patent References:
| WO2022209476A1 | 2022-10-06 |
Foreign References:
| JP2016190972A | 2016-11-10 | |||
| JP2012014043A | 2012-01-19 | |||
| JP2018159054A | 2018-10-11 | |||
| JP2020164765A | 2020-10-08 | |||
| JP2017019903A | 2017-01-26 | |||
| JP2016180985A | 2016-10-13 | |||
| JP2002543266A | 2002-12-17 |
Attorney, Agent or Firm:
TACHIBANA, Kenji et al. (JP)
Download PDF:
Previous Patent: COMMODITY TRANSFER APPARATUS AND CONTROL METHOD FOR SAME
Next Patent: REAR PROJECTION DISPLAY SYSTEM
Next Patent: REAR PROJECTION DISPLAY SYSTEM