ADHESIVE COMPOSITION, ADHESIVE LAYER, ADHESIVE SHEET, SURFACE PROTECTION SHEET, OPTICAL SURFACE PROTECTION SHEET, AND OPTICAL FILM WITH SURFACE PROTECTION SHEET

WIPO Patent Application WO/2014/020868

A1

This adhesive composition is characterized by containing: 100 parts by mass of a polymer (A) having a glass transition temperature of less than 0°C; 0.05-3 parts by mass of a (meth)acrylate polymer (B) having a weight average molecular weight of at least 1000 and less than 30,000 and containing as monomer units a (meth)acrylate monomer having an alicyclic structure represented by general formula (1), a monomer having a polyoxyalkylene backbone, and a monomer having a polyorganosiloxane backbone; and 0.005-4 parts by mass of an ionic compound (C). In particular, the present invention is used as a surface protection film used with the objective of protecting the surface of an optical member such as a polarizing plate, a wave plate, an optical compensation film, a reflective film, or the like. General formula (1) is CH2=C(R1)COOR2 (in formula (1), R1 is a hydrogen atom or a methyl group, and R2 is an alicyclic hydrocarbon group having an alicyclic structure).

OKAMOTO MASAYUKI (JP)
YAMAGATA MASATO (JP)
SHIGETOMI KIYOE (JP)
KANNO RYO (JP)

PCT/JP2013/004509

February 06, 2014

July 24, 2013

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NITTO DENKO CORP (JP)

C09J201/00; C09J7/22; C09J7/30; C09J11/02; C09J11/08; C09J133/14; C09J183/12

WO2008133117A1

2008-11-06

JP2009275128A	2009-11-26
JP2006016595A	2006-01-19
JP2010202692A	2010-09-16
JP2008503638A	2008-02-07
JP2005146151A	2005-06-09
JPH01256580A	1989-10-13
JPS63291969A	1988-11-29
JP2006063311A	2006-03-09
JP2013079360A	2013-05-02

MORISHITA, SAKAKI (JP)
Sakaki Morishita (JP)

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