Title:
POLARIZING FILM, METHOD FOR PRODUCING SAME, OPTICAL FILM, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/183334
Kind Code:
A1
Abstract:
Disclosed is a polarizing film having a transparent protection film provided on both surfaces of a polarizer with respective adhesive layers (a) and (b) sandwiched therebetween, wherein: the adhesive layer (a) on one surface has a glass transition temperature from -60°C to lower than 40°C; the adhesive layer (b) on the other surface has a glass transition temperature of 40°C or higher; the adhesive layer (a) is formed of a cured product layer made by irradiating an active-energy-ray-curable adhesive composition (a) with active energy rays; the active-energy-ray-curable adhesive composition (a) comprises at least a radical-polymerizable compound; and, when the total amount of the radical-polymerizable compound is 100% by weight, the composition includes at least 15% by weight of a C10-20 alkyl (meth)acrylate (A).
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Inventors:
OKAMOTO MASAYUKI (JP)
MITA SATOSHI (JP)
KONNO YOSHIMI (JP)
JIANG TAIYAN (JP)
IKEDA TETSURO (JP)
MITA SATOSHI (JP)
KONNO YOSHIMI (JP)
JIANG TAIYAN (JP)
IKEDA TETSURO (JP)
Application Number:
PCT/JP2017/008739
Publication Date:
October 26, 2017
Filing Date:
March 06, 2017
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; C09J4/02; C09J11/06; G02F1/1335; C09J7/38
Domestic Patent References:
| WO2015099022A1 | 2015-07-02 | |||
| WO2014061611A1 | 2014-04-24 |
Foreign References:
| JP2014152225A | 2014-08-25 | |||
| JP2008174658A | 2008-07-31 | |||
| JP2006045474A | 2006-02-16 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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