Title:
SELF-ADHESIVE SURFACE PROTECTION FILM
Document Type and Number:
WIPO Patent Application WO/2013/153990
Kind Code:
A1
Abstract:
This self-adhesive surface protection film comprises adhesive layers which are laminated on both surfaces of a polypropylene resin substrate layer by means of co-extruding a release layer on the surfaces opposite the adhesive layers, wherein the resin forming the adhesive layers comprises at least a polyethylene resin and a styrene-type elastomer selected from, for example, block copolymer hydrogenation agents having styrene polymer blocks and butadiene polymer blocks, the amount of the styrene-type elastomer included in the adhesive layers being 35-99 mass% inclusive, the amount of the polyethylene resin included in the adhesive layers being 1-65 mass% inclusive, and the sum of the polyethylene resin and the ethylene components in the styrene-type elastomer being 35-70 mass% of the components of the adhesive layers.
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Inventors:
YAMAMOTO SHIGETOMO (JP)
OKI HIROKAZU (JP)
TAGA ATSUSHI (JP)
OKI HIROKAZU (JP)
TAGA ATSUSHI (JP)
Application Number:
PCT/JP2013/060087
Publication Date:
October 17, 2013
Filing Date:
April 02, 2013
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C09J7/02; C09J123/04; C09J153/02
Domestic Patent References:
| WO2011122287A1 | 2011-10-06 | |||
| WO2011122288A1 | 2011-10-06 | |||
| WO2012073979A1 | 2012-06-07 |
Foreign References:
| JP2010100788A | 2010-05-06 | |||
| JP2012087164A | 2012-05-10 |
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
Hisakazu Ueki (JP)
Hisakazu Ueki (JP)
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