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Title:
CURABLE ADHESIVE COMPOSITION AND POLARIZING PLATE
Document Type and Number:
WIPO Patent Application WO/2022/145370
Kind Code:
A1
Abstract:
(Abstract) [Problem] To provide: a curable adhesive composition suitable for the bonding of a polarizer to a thermoplastic resin film; and a polarizing plate comprising a polarizer, an adhesive layer and a thermoplastic resin film which are arranged in this order, in which the close adhesiveness between the polarizer and the thermoplastic resin film is satisfactory. [Solution] Provided are: a curable adhesive composition comprising a maleic anhydride-modified compound (A), a (meth)acrylate compound (B) and a photopolymerization initiator (C), in which the (meth)acrylate compound (B) comprises a monofunctional (meth)acrylate compound (B-1) and the monofunctional (meth)acrylate compound (B-1) comprises an alicyclic alkyl(meth)acrylate compound and a linear or branched C4-C36alkyl(meth)acrylate compound; and a polarizing plate comprising a polarizer, an adhesive layer and a thermoplastic resin film which are arranged in this order, in which the adhesive layer is a layer composed of a cured product of the curable adhesive composition.

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Inventors:
YASUI MIO (JP)
IWATA TOMO (TW)
SAKAUE CHIE (JP)
Application Number:
PCT/JP2021/048235
Publication Date:
July 07, 2022
Filing Date:
December 24, 2021
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C09J4/02; C09J11/06; C09J109/00; C09J201/08; G02B5/30
Domestic Patent References:
WO2016171221A12016-10-27
WO2016104473A12016-06-30
WO2014069134A12014-05-08
WO2021100698A12021-05-27
Foreign References:
JP2020045416A2020-03-26
JP2019056820A2019-04-11
JP2011113026A2011-06-09
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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