Title:
OPTICAL FILM, POLARIZER PROTECTIVE FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/024581
Kind Code:
A1
Abstract:
Provided is an optical film that comprises a first outermost layer comprising a first resin composition, a second outermost layer comprising a second resin composition, and an intermediate layer that is disposed between the first outermost layer and the second outermost layer and comprises a (meth)acrylic resin composition including a (meth)acrylic resin that has a ring structure in a main chain, the first resin composition and the second resin composition including hard particles, and the glass transition temperature Tga of the first resin composition, the glass transition temperature Tgb of the second resin composition, and the glass transition temperature Tgc of the (meth)acrylic resin composition satisfying expression (A) and expression (B). Expression (A): Tga > Tgc. Expression (B): Tgb > Tgc.
Inventors:
HIRAMA SUSUMU (JP)
UGAMURA TADAYOSHI (JP)
UGAMURA TADAYOSHI (JP)
Application Number:
PCT/JP2023/026328
Publication Date:
February 01, 2024
Filing Date:
July 18, 2023
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
G02B5/30; B32B27/18; B32B27/20; B32B27/30
Domestic Patent References:
| WO2018008493A1 | 2018-01-11 | |||
| WO2020022269A1 | 2020-01-30 |
Foreign References:
| JPH08224823A | 1996-09-03 |
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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