PRESSURE-SENSITIVE ADHESIVE SHEET

WIPO Patent Application WO/2012/141099

A1

The present invention provides a pressure-sensitive adhesive sheet that has an acrylic pressure-sensitive adhesive layer formed from a water-dispersed acrylic pressure-sensitive adhesive composition, said composition comprising both a polypropylene glycol (PPG)/polyethylene glycol (PEG) block copolymer (or derivative thereof) having a specific structure and an acrylic emulsion polymer obtained from feedstock monomers having a specific composition, on at least one surface of a transparent film substrate having a top-coat layer that has a specific composition and a controlled average thickness and amount of variation in thickness. Said pressure-sensitive adhesive sheet was found to be highly scratch-resistant, prevent increases in adhesive strength, and have excellent antistatic performance and appearance characteristics.

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AMANO TATSUMI (JP)
MORIMOTO YU (JP)
MITSUI KAZUMA (JP)
TAKASHIMA KYOKO (JP)

PCT/JP2012/059522

October 18, 2012

April 06, 2012

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NITTO DENKO CORP (JP)
AMANO TATSUMI (JP)
MORIMOTO YU (JP)
MITSUI KAZUMA (JP)
TAKASHIMA KYOKO (JP)

C09J7/29; C09J9/02; C09J11/06; C09J133/08; C09J171/02; C09J165/00

JP2007211074A	2007-08-23
JP2006052379A	2006-02-23
JP2003238932A	2003-08-27
JP2003213232A	2003-07-30
JP2002309209A	2002-10-23
JP2007262318A	2007-10-11
JP2009035722A	2009-02-19
JP2011241386A	2011-12-01

GOTO, YUKIHISA (JP)
Yukihisa Goto (JP)

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