Title:
粘着シートとその製造方法および粘着型機能性フィルム
Document Type and Number:
Japanese Patent JP5199917
Kind Code:
B2
Abstract:
The present invention provides a pressure-sensitive adhesive sheet including at least one pressure-sensitive adhesive layer formed of a pressure-sensitive adhesive composition containing an acrylic polymer (a) in which the total content of acrylic acid and methacrylic acid relative to the entire monomer ingredients constituting the acrylic polymer is 10% by weight or less, in which the total amount of an acrylic acid ion and a methacrylic acid ion extracted from the pressure-sensitive adhesive sheet with pure water under the condition of 100° C. for 45 minutes, as measured in accordance with an ion chromatography, is 20 ng/cm2 or less per the unit area of the pressure-sensitive adhesive layer.
Inventors:
Hiroaki Kishioka
Application Number:
JP2009043078A
Publication Date:
May 15, 2013
Filing Date:
February 25, 2009
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
C09J7/10; C09J133/04
Domestic Patent References:
| JP2008280390A | ||||
| JP2002327160A | ||||
| JP2007063536A | ||||
| JP2008222953A | ||||
| JP2005325250A | ||||
| JP2006213790A | ||||
| JP2007077388A | ||||
| JP2007326945A | ||||
| JP2008222967A | ||||
| JP2001181594A | ||||
| JP2005255877A | ||||
| JP2009007581A | ||||
| JP2005015524A |
Foreign References:
| US3347692 |
Attorney, Agent or Firm:
Yukihisa Goto