Title:
光学部材貼り合わせ用粘着シート
Document Type and Number:
Japanese Patent JP4800363
Kind Code:
B2
Abstract:
The present invention provide a pressure-sensitive adhesive sheet for optical member adhesion, which includes at least an acrylic pressure-sensitive adhesive layer, in which the acrylic pressure-sensitive adhesive layer has a storage modulus at 23°C of from 1.0×10 4 Pa to less than 1.0×10 5 Pa and has a peeling pressure-sensitive adhesive force (with respect to polyethylene terephthalate, 180° peeling) at 80°C of 2.5 N/20 mm or more. This pressure-sensitive adhesive sheet is excellent in thickness unevenness absorbability and durability even when the sheet is a thin film.
Inventors:
Hiroaki Kishioka
Ryuichi Kotani
Ryuichi Kotani
Application Number:
JP2008247550A
Publication Date:
October 26, 2011
Filing Date:
September 26, 2008
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
C09J7/00; C09J11/06; C09J133/14
Domestic Patent References:
| JP2007138057A | ||||
| JP2006291027A | ||||
| JP2006342191A | ||||
| JP2001123136A | ||||
| JP2005325250A | ||||
| JP2000169825A |
Foreign References:
| WO2007034533A1 |
Attorney, Agent or Firm:
Yukihisa Goto