Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2013/121855
Kind Code:
A1
Abstract:
Provided is an adhesive sheet that: exhibits excellent weather resistance; has good initial adhesiveness, and good adhesiveness over time, enabling the adhesive sheet to exhibit excellent peelability over time after being exposed outdoors or stored at a high temperature; and has good stress mitigation properties. This adhesive sheet is obtained by forming an adhesive layer on at least one surface of a base layer. The base layer contains at least one layer selected from a whitish layer and a blackish layer. The adhesive layer comprises an adhesive containing a propylene copolymer that contains, as copolymer components, propylene and an α-olefin, other than propylene, with a carbon number of two to twelve. The propylene copolymer does not have an endothermic peak at 1 J/g or above for measurements in a temperature range of 0 to 200°C according to differential scanning calorimetry.
Inventors:
TAKEDA KOHEI (JP)
IKISHIMA SHINSUKE (JP)
YAMATO JIRO (JP)
IKISHIMA SHINSUKE (JP)
YAMATO JIRO (JP)
Application Number:
PCT/JP2013/051524
Publication Date:
August 22, 2013
Filing Date:
January 25, 2013
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/22; C09J7/38; C09J123/14
Foreign References:
| JP2002226813A | 2002-08-14 | |||
| JP2002226814A | 2002-08-14 | |||
| JPH06271821A | 1994-09-27 | |||
| JP2003213485A | 2003-07-30 |
Attorney, Agent or Firm:
MOMII, Takafumi (JP)
Takafumi Momii (JP)
Takafumi Momii (JP)
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Claims: