Title:
SURFACE PROTECTIVE FILM
Document Type and Number:
WIPO Patent Application WO/2017/006604
Kind Code:
A1
Abstract:
This surface protective film 10 bonds to an adherend selected from optical members 20 or electronic members, and is used to protect the surface thereof, wherein: the surface protective film 10 is provided with a base material 11, and a pressure-sensitive adhesive layer 12 provided on one surface of the base material 11; and a portion of the pressure-sensitive-adhesive-layer-side surface (pressure-sensitive adhesive surface 15) of the surface protective film, in at least an annular region 16 surrounding a central portion 17, is a strong pressure-sensitive-adhesive portion, the other portion being a non-adhesive portion or a weak pressure-sensitive-adhesive portion that has lower adhesive force than does the strong pressure-sensitive adhesive portion.
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Inventors:
BANDOU SAYAKA (JP)
MAEDA JUN (JP)
HORIGOME KATSUHIKO (JP)
MAEDA JUN (JP)
HORIGOME KATSUHIKO (JP)
Application Number:
PCT/JP2016/061775
Publication Date:
January 12, 2017
Filing Date:
April 12, 2016
Export Citation:
Assignee:
LINTEC CORP (JP)
International Classes:
B32B27/00; C09J7/20
Foreign References:
| JP2007131791A | 2007-05-31 | |||
| JPS6475580A | 1989-03-22 | |||
| JPH02308883A | 1990-12-21 | |||
| JP2011216671A | 2011-10-27 | |||
| JPH01251737A | 1989-10-06 | |||
| JP2009028842A | 2009-02-12 | |||
| JP2008062571A | 2008-03-21 |
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
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