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Title:
SURFACE PROTECTIVE FILM
Document Type and Number:
WIPO Patent Application WO/2011/096350
Kind Code:
A1
Abstract:
Disclosed is a surface protective film which exhibits high adhesion and excellent unwinding characteristics. The surface protective film is characterised in that: the surface protective film comprises at least two layers, which are a surface layer (A) and an adhesive layer (X); the surface layer (A) comprises a propylene polymer and the surface roughness (Ra) of the surface layer is within the range of 0.2-2.0μm; the adhesive strength of the surface protective film with acrylic is 1N/50mm; and the adhesive layer (X) is formed from an olefinic elastomer and/or a styrene elastomer.

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Inventors:
INOUE NORIHIDE (JP)
OOGODA HISAYUKI (JP)
Application Number:
PCT/JP2011/051865
Publication Date:
August 11, 2011
Filing Date:
January 31, 2011
Export Citation:
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Assignee:
MITSUI CHEMICALS TOHCELLO INC (JP)
INOUE NORIHIDE (JP)
OOGODA HISAYUKI (JP)
International Classes:
B32B27/32; B32B27/00; C09J7/02
Foreign References:
JP2008115212A2008-05-22
JP2008068564A2008-03-27
JP2008265302A2008-11-06
JP2009166305A2009-07-30
Attorney, Agent or Firm:
SUZUKI INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Suzuki international patent firm (JP)
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