Title:
SURFACE PROTECTION FILM
Document Type and Number:
WIPO Patent Application WO/2017/169451
Kind Code:
A1
Abstract:
Provided is a surface protection film that comprises an adhesive layer, a middle layer, and a back surface layer, and that is characterized in that the back surface layer comprises a polyolefin resin composition containing 0.3-10 wt% of a fluorine release agent, a resin forming the middle layer mainly contains a low-density polyethylene, and the surface protection film has a haze of 10% or less after being heated at 160°C for at least 1 minute and then gradually cooled and has a haze of 5% or less after being heated at 200°C for at least 1 minute and then gradually cooled. The provided surface protection film is easily thermoformed even while having an adherend attached thereto, and has excellent transparency and gloss even after the adherend is thermoformed.
Inventors:
INOUE NORIHIDE (JP)
YONEDA TAKAHIRO (TW)
TOKUMARU MIYUKI (JP)
YONEDA TAKAHIRO (TW)
TOKUMARU MIYUKI (JP)
Application Number:
PCT/JP2017/007629
Publication Date:
October 05, 2017
Filing Date:
February 28, 2017
Export Citation:
Assignee:
TORAY ADVANCED FILM CO LTD (JP)
International Classes:
B32B27/00; B32B27/18; B32B27/32; C09J7/20; C09J123/06; C09J131/04; C09J201/00
Domestic Patent References:
| WO2011122288A1 | 2011-10-06 | |||
| WO2015129426A1 | 2015-09-03 |
Foreign References:
| JP2010242079A | 2010-10-28 | |||
| JP2012011735A | 2012-01-19 |
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
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