Title:
SURFACE PROTECTIVE FILM
Document Type and Number:
WIPO Patent Application WO/2011/096351
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 0-98 wt% of a propylene (co)polymer (a), and 2-100 wt% of an olefin (co)polymer (b) having an α-olefin with a carbon number of at least 4 as a main constituent (for the purposes of explaining the ratio of (a) to (b), the total of (a) and (b) is made 100 wt%); and the adhesive later (X) is formed from 0-80 wt% of an olefinic elastomer, and 20-100 wt% of a styrene/isobutylene copolymer (in order to explain the ratio of the olefinic elastomer to the styrene/isobutylene copolymer, the total is made 100 wt%).
Inventors:
INOUE NORIHIDE (JP)
Application Number:
PCT/JP2011/051868
Publication Date:
August 11, 2011
Filing Date:
January 31, 2011
Export Citation:
Assignee:
MITSUI CHEMICALS TOHCELLO INC (JP)
INOUE NORIHIDE (JP)
INOUE NORIHIDE (JP)
International Classes:
B32B27/32; B32B27/00; C09J7/02
Foreign References:
| JP2008081709A | 2008-04-10 | |||
| JP2009262423A | 2009-11-12 | |||
| JPH05302068A | 1993-11-16 |
Attorney, Agent or Firm:
SUZUKI INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Suzuki international patent firm (JP)
Patent business corporation Suzuki international patent firm (JP)
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