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Title:
OPTICAL LAMINATE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/213494
Kind Code:
A1
Abstract:
The objective of the present invention is to provide: an optical laminate having good optical durability in a high-temperature and high-humidity environment; and an image display device comprising the same.　An optical laminate according to the present invention comprises an optical layer and a cured product layer, wherein the cured product layer includes a first cured product layer which is a cured product of a polyvinyl acetal resin-containing composition (S). The polyvinyl acetal resin-containing composition (S) includes a polyvinyl acetal resin (A) and a cross-linking agent (B), wherein the cross-linking agent (B) includes a cross-linking agent (B1) which is at least one among an isocyanate-based cross-linking agent and a carbodiimide-based cross-linking agent.

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Inventors:
KOBASHI AI (JP)
ASATSU YUJI (JP)
Application Number:
PCT/JP2020/015814
Publication Date:
October 22, 2020
Filing Date:
April 08, 2020
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B32B23/20; B32B7/023; B32B27/26; B32B27/30; G02B5/30; G02F1/1335
Domestic Patent References:
WO2018160564A12018-09-07
Foreign References:
JP2017082026A2017-05-18
JP2015513477A2015-05-14
JP2019044191A2019-03-22
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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