Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tatsumi Amano0
Kazuhito Okumura0
Masahiko Ando0
Natsuki Kobayashi0
Date of Patent
February 17, 2009
0Patent Application Number
111415900
Date Filed
May 31, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a pressure-sensitive adhesive which can prevent electrification of a non-electrification-prevented adherend upon peeling, suppresses occurrence of peeling off even with time or via treatment under a high temperature, and is excellent in adhesion reliance, as well as an antistatic pressure-sensitive adhesive sheet, and surface protecting film using this. The pressure-sensitive adhesive composition of the present invention contains an ionic liquid, and a polymer having a glass transition temperature of Tg of 0° C. or lower as a base polymer, as well as an ethylene oxide group-containing compound and/or a surfactant.
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