Title:
POLARIZING FILM WITH ADHESIVE LAYER
Document Type and Number:
WIPO Patent Application WO/2020/122148
Kind Code:
A1
Abstract:
Provided is a thin polarizing film with an adhesive layer which has high durability and reworkability, the polarizing film having excellent adhesion (anchoring) to an adhesive. Provided is a polarizing film with an adhesive layer comprising: a polarizing film provided with a polarizer and a protective film disposed on the visible side of the polarizer; and an adhesive layer disposed on the opposite side of the polarizer from the visible side. The adhesive layer contains a base polymer and a silicone oligomer Ps. The silicone oligomer Ps is contained in an amount of 0.1 to 20 parts by weight relative to 100 parts by weight of the base polymer. The silicone oligomer Ps has a Tg of -50°C to 100°C, a side-chain silicone functional group equivalent of 1000 to 20000 g/mol and a weight average molecular weight of 10000 to 300000.
Inventors:
MORIMOTO YU (JP)
TOYAMA YUSUKE (JP)
NAKANO TAKESHI (JP)
TOYAMA YUSUKE (JP)
NAKANO TAKESHI (JP)
Application Number:
PCT/JP2019/048565
Publication Date:
June 18, 2020
Filing Date:
December 11, 2019
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; C09J7/38
Domestic Patent References:
| WO2018092905A1 | 2018-05-24 |
Foreign References:
| JP2017078851A | 2017-04-27 |
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
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