Title:
DOUBLE-SIDED ADHESIVE SHEET AND METHOD FOR PRODUCING DOUBLE-SIDED ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2015/079902
Kind Code:
A1
Abstract:
Provided are: a double-sided adhesive sheet which can exhibit good peeling properties under a constant load even when an adhesive layer therein has relatively high coagulation power; and a double-sided adhesive sheet production method which enables the stable production of the double-sided adhesive sheet.
A double-sided adhesive sheet which comprises a base material and adhesive agent layers each formed from a cured product of an adhesive agent composition and respectively provided on both surfaces of the base material, wherein the adhesive agent composition comprises at least a component (A) that is a silyl-terminal polymer and a component (B) that is an adhesiveness-imparting resin, the component (A), i.e., the silyl-terminal polymer, has a specific hydrolysable silyl group at each end of the main chain thereof, the component (B), i.e., the adhesiveness-imparting resin, contains a fully hydrogenated terpenephenol-type resin and is contained in an amount falling within a specified range relative to the amount of the component (A), i.e., the silyl-terminal polymer, and the maximum value of the loss tangent (tanσ) which is determined by the dynamic viscoelasticity measurement (frequency: 1 Hz) of the adhesive agent layer is a value falling within a specified range.
Inventors:
YAMAGUCHI SEITARO (JP)
OTAKA SYO (JP)
MIYATA SOU (JP)
SUGIZAKI TOSHIO (JP)
OTAKA SYO (JP)
MIYATA SOU (JP)
SUGIZAKI TOSHIO (JP)
Application Number:
PCT/JP2014/079844
Publication Date:
June 04, 2015
Filing Date:
November 11, 2014
Export Citation:
Assignee:
LINTEC CORP (JP)
International Classes:
C09J7/20; C09J11/04; C09J11/08; C09J171/02; C09J175/02; C09J175/08; C09J183/00; C09J183/12; C09J193/00
Domestic Patent References:
| WO2010038715A1 | 2010-04-08 | |||
| WO2005073333A1 | 2005-08-11 | |||
| WO2013128752A1 | 2013-09-06 |
Foreign References:
| JP2011506737A | 2011-03-03 | |||
| JP2010116474A | 2010-05-27 | |||
| JP2008163268A | 2008-07-17 |
Attorney, Agent or Firm:
EMORI Kenji et al. (JP)
Kenji Emori (JP)
Kenji Emori (JP)
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