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Title:
ADHESIVE COMPOSITION, ADHESIVE SHEET, ADHESIVE SHEET EQUIPPED WITH MOLD RELEASE FILM, LAMINATE FOR IMAGE DISPLAY DEVICES, IMAGE DISPLAY DEVICE, AND ADHESIVE SHEET FOR ORGANIC EL DISPLAY DEVICES
Document Type and Number:
WIPO Patent Application WO/2024/117165
Kind Code:
A1
Abstract:
The present invention provides an adhesive composition which can be cured by energy rays on the comparatively long wavelength side, and in which there is little photo decomposition product. Provided is an adhesive composition comprising a (meth)acrylic polymer (A) and a photoinitiator (B), or the (meth)acrylic polymer (A), the photoinitiator (B), and an ultraviolet absorber (C), wherein the photoinitiator (B) includes a photoinitiator (b1) which has a glyoxylate structure represented by *-CO-COOR1 (where R1 is a substituted or unsubstituted C1-C20 alkyl, a substituted or unsubstituted C3-C20 cycloalkyl, or a substituted or unsubstituted C2-C20 heterocycloalkyl, and * represents a bond) and which has a molar absorptivity of not less than 30 (L/mol・cm) for a wavelength of 405 nm.

Inventors:
NOZAWA DAIKI (JP)
KURA HISATOSHI (JP)
FUKUDA SHINYA (JP)
TASHIRO SATOSHI (JP)
YAMASHITA SHO (JP)
FUKASAWA HITOMI (JP)
Application Number:
PCT/JP2023/042704
Publication Date:
June 06, 2024
Filing Date:
November 29, 2023
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C09J133/00; B32B27/00; B32B27/18; B32B27/30; C09J4/02; C09J7/38; C09J11/06; C09J133/06
Domestic Patent References:
WO2022238592A22022-11-17
WO2022163233A12022-08-04
Foreign References:
CN114369178A2022-04-19
CN115340834A2022-11-15
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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