Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2018/221336
Kind Code:
A1
Abstract:
Provided is an adhesive sheet capable of suitably preventing the occurrence of air bubbles caused by outgas. According to the present invention, there is provided an adhesive sheet including an adhesive layer that constitutes adhesive surface. The adhesive sheet has a post-time lapse non-bonding area ratio Sa of 5%, the post-time lapse non-bonding area ratio Sa being defined as the proportion of the total area of non-bonding parts in the entire area of the adhesive surface relative to the glass plate after a time lapse test in which the adhesive surface is pressed onto the glass plate and held for 24 hours at 50°C. The non-bonding parts have portions that extend in linear form along the adhesive surface.
Inventors:
HIGUCHI NAOAKI (JP)
YAMAMOTO SHUUHEI (JP)
YAMAMOTO SHUUHEI (JP)
Application Number:
PCT/JP2018/019779
Publication Date:
December 06, 2018
Filing Date:
May 23, 2018
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/00; B32B27/00
Domestic Patent References:
| WO2016084948A1 | 2016-06-02 |
Foreign References:
| JP2003342533A | 2003-12-03 | |||
| JP2005298543A | 2005-10-27 | |||
| JP2003531253A | 2003-10-21 | |||
| JP2002544364A | 2002-12-24 |
Attorney, Agent or Firm:
OI, Michiko (JP)
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