Title:
POLARIZATION FILM AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/066833
Kind Code:
A1
Abstract:
This polarization film comprises a first resin layer, a polarizer, an alignment film, and a second resin layer, which are stacked in this order, wherein the first resin layer is a cured product of a first curable composition containing a (meth)acrylic compound, the polarizer is a cured product of a composition that is for forming the polarizer and that contains a dichroic dye and a polymerizable liquid crystal compound having a (meth)acryloyl group, the alignment film is a cured product of a composition that is for forming the alignment film and that contains a (meth)acrylic compound, the second resin layer is a cured product of a second curable composition containing a (meth)acrylic compound, and the first curable composition and/or the second curable composition contains, as the (meth)acrylic compound, a urethane (meth)acrylate compound having 40 × 10-4 or less (meth)acryloyl groups per unit molecular weight.
Inventors:
OTA YOSUKE (JP)
Application Number:
PCT/JP2019/036744
Publication Date:
April 02, 2020
Filing Date:
September 19, 2019
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B32B7/023; G02B5/30; B32B27/30; C08F20/36; C08F290/06
Foreign References:
| JP2018128573A | 2018-08-16 | |||
| JP2017083843A | 2017-05-18 | |||
| JP2019168690A | 2019-10-03 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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