Title:
OPTICAL FILM, AND WINDOW FILM EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2015/146674
Kind Code:
A1
Abstract:
A purpose of the present invention is to provide an optical film having exceptional recovery from curling, and tear strength. Another purpose is to provide a window film employing the same, having exceptional ease of wet pasting, and quality of finish. This optical film has at least an optically functional layer and an adhesive layer which are provided on a film-shaped support, wherein the optical film is characterized in that the support contains 30 mass% or more of a cellulose derivative, and is adjusted to a curling recovery rate of 20% or greater, and tear strength of 150 mN or greater.
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Inventors:
ADACHI HITOSHI (JP)
KOYAMA HIROKAZU (JP)
KOYAMA HIROKAZU (JP)
Application Number:
PCT/JP2015/057703
Publication Date:
October 01, 2015
Filing Date:
March 16, 2015
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B32B23/00; E06B5/00; G02B5/00; C08L1/08; C08L67/00; C08L71/02
Domestic Patent References:
| WO2013077252A1 | 2013-05-30 | |||
| WO2008015911A1 | 2008-02-07 |
Foreign References:
| JP2012066513A | 2012-04-05 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Mitsuaki international patent firm (JP)
Patent business corporation Mitsuaki international patent firm (JP)
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