Title:
PRESSURE SENSITIVE ADHESIVE AND IMAGE DISPLAY DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2014198798
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pressure sensitive adhesive which does not easily become cloudy even under high temperature high humidity conditions, and has step tracking properties, in the case of being used by placing between a front surface transparent plate and a touch panel, between a front surface transparent plate and an image display panel, or between a touch panel and an image display panel.SOLUTION: The pressure sensitive adhesive of the present invention contains an acrylic polymer and a hydrolyzable terpene phenol resin with a softening point of 70°C to 150°C. The hydrogenated terpene phenol resin preferably has a terpene molar ratio of 0.1 to 0.7. The amount of acrylic polymer is preferably 45 to 95 pts.wt. in 100 pts.wt. of the total amount of the pressure sensitive adhesive composition. Furthermore, the total amount of the acrylic polymer and the hydrogenated terpene phenol resin is preferably 70 pts.wt. or more.
Inventors:
MIZUTANI MASANORI
HASEGAWA YUKI
MOTEGI YUSUKE
TAKARADA SHO
YAMAMOTO SHINYA
HIKITA TAKAMI
HASEGAWA YUKI
MOTEGI YUSUKE
TAKARADA SHO
YAMAMOTO SHINYA
HIKITA TAKAMI
Application Number:
JP2013075184A
Publication Date:
October 23, 2014
Filing Date:
March 29, 2013
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
C09J133/00; C09J161/04; C09J199/00; G02F1/1333; G02F1/1335
Domestic Patent References:
| JP2007224258A | 2007-09-06 | |||
| JP2012137726A | 2012-07-19 | |||
| JP2002249596A | 2002-09-06 | |||
| JP2013032472A | 2013-02-14 | |||
| JP2006342258A | 2006-12-21 | |||
| JP2012087240A | 2012-05-10 | |||
| JP2014025056A | 2014-02-06 |
Foreign References:
| WO2012026118A1 | 2012-03-01 |
Attorney, Agent or Firm:
Masahito Shintaku
Tsuyoshi Yoshimoto
Tsuyoshi Yoshimoto