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Patent Searching and Data


Title:
ADHESIVE SHEET AND ARTICLE
Document Type and Number:
WIPO Patent Application WO/2017/212736
Kind Code:
A1
Abstract:
[Problem] The problem to be solved by the invention is to provide an adhesive sheet that can be peeled away easily without deforming or the like the adherend if the load applied per unit area of the adhesive sheet at the time of affixation is set to a light load of about 5 N/cm2 or less and is capable of exhibiting extremely excellent adhesive strength when the load is set to about 10 N/cm2 or more. [Solution] The invention relates to an adhesive sheet having an adhesive layer (A) in which the storage modulus at 23°C is in the range of 1 × 104 to 5 × 106 Pa, the adhesive sheet characterized in that the center line average surface roughness Ra of the surface of the adhesive layer (A) in contact with the adherend is in the range of 0.2-5.0 μm.

Inventors:
AKIYAMA SEIJI (JP)
MORINO AKINORI (JP)
Application Number:
PCT/JP2017/011131
Publication Date:
December 14, 2017
Filing Date:
March 21, 2017
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B32B7/12; B32B27/00; C09J7/00; C09J121/00; C09J133/00
Foreign References:
JP2009246302A2009-10-22
JP2013170197A2013-09-02
JP2010083915A2010-04-15
JP2005298674A2005-10-27
JP2009035618A2009-02-19
JPH09180391A1997-07-11
JPH11181367A1999-07-06
JP2015168711A2015-09-28
JP2016084433A2016-05-19
Other References:
See also references of EP 3467063A4
Attorney, Agent or Firm:
KONO Michihiro (JP)
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