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Title:
PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE LAYER AND METHOD FOR PRODUCING THE PRESSURE-SENSITIVE ADHESIVE LAYER, AND OPTICAL MEMBER WITH PRESSURE-SENSITIVE ADHESIVE
Document Type and Number:
Japanese Patent JP2012036402
Kind Code:
A
Abstract:

To provide a pressure-sensitive adhesive composition that exhibits excellent pressure-sensitive adhesive properties after crosslinking treatment, does not cause lifting or separation upon heat treatment or treatment under high-humidity conditions particularly even in the case of a pressure-sensitive adhesive layer having a reduced layer thickness, and has excellent durability, to also provide a pressure-sensitive adhesive layer formed using the pressure-sensitive adhesive composition, and a method for producing the same, and to further provide an optical member with pressure-sensitive adhesive comprising the pressure-sensitive adhesive layer, and an image display using the same.

The pressure-sensitive adhesive composition comprises 100 pts.wt. of a (meth)acrylic polymer, provided that it is not copolymerized with an olefinic polymer, 0.02-2 pts.wt. of a peroxide, and 0.02-2 pts.wt. of an isocyanate-based crosslinking agent, the (meth)acrylic polymer comprising as monomer units 50-98 wt.% of a (meth)acrylic monomer represented by the general formula: CH2=C(R1)COOR2, wherein R1 represents H or methyl and R2 represents 2C-14C alkyl, and 0.1-35 wt.% of a nitrogen-containing monomer.


Inventors:
YANO KOHEI
INOUE SHINICHI
SATAKE MASAYUKI
MOROISHI YUTAKA
NAKANO FUMIKO
Application Number:
JP2011228148A
Publication Date:
February 23, 2012
Filing Date:
October 17, 2011
Export Citation:
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Assignee:
NITTO DENKO CORP
International Classes:
C09J133/14; C09J5/00; C09J11/06; C09J133/24; G02B5/30; G02F1/1335
Domestic Patent References:
JPH08327821A1996-12-13
JPH06108025A1994-04-19
JP2003013028A2003-01-15
JP2003013027A2003-01-15
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office