Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2022/244286
Kind Code:
A1
Abstract:
An adhesive sheet (100) of the present invention has: a first resin layer (10) containing a 4-methyl-1-pentene polymer; and a design layer (30), wherein at least a portion of the first resin layer (10) is exposed on a surface (11) and a surface (12) of the adhesive sheet (100) to form an adhesive surface, and the following requirement (i) is satisfied. (i) There is at least one temperature in the range of 10°C to 100°C at which the loss tangent (tan δ), obtained by dynamic viscoelasticity measurement under conditions of a rate of temperature increase of 4 °C/min, a frequency of 1.59 Hz, and a strain amount of 0.1%, is a maximum value, and the maximum value of the loss tangent is 0.5-3.5.
Inventors:
NISHIKAWA SHIGEO (JP)
Application Number:
PCT/JP2021/045080
Publication Date:
November 24, 2022
Filing Date:
December 08, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C09J7/38; A63H33/14; C09J123/20
Domestic Patent References:
| WO2019131496A1 | 2019-07-04 |
Foreign References:
| JP2013194132A | 2013-09-30 | |||
| JP2019172938A | 2019-10-10 | |||
| JP2015025884A | 2015-02-05 | |||
| JP2003144774A | 2003-05-20 | |||
| JPH0440699U | 1992-04-07 | |||
| DE19703038A1 | 1998-07-30 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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