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PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE LAYER, PRESSURE-SENSITIVE ADHESIVE SHEET, AND OPTICAL FILM

  • US 20140037951A1
  • Filed: 07/30/2013
  • Published: 02/06/2014
  • Est. Priority Date: 07/31/2012
  • Status: Abandoned Application
First Claim
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1. A pressure-sensitive adhesive composition comprising:

  • 100 parts by mass of a polymer (A) having a glass transition temperature lower than 0°

    C.; and

    0.05 parts by mass to 20 parts by mass of a (meth)acrylic polymer (B) having a weight average molecular weight (MwB) of 1000≦

    MwB<

    30000 that contains, as monomer units, both a (meth)acrylic monomer having an alicyclic structure represented by the following general formula (1) and a monomer having a polyoxyalkylene skeleton;


    CH2

    C(R1)COOR2



    (1)[wherein R1 represents a hydrogen atom or a methyl group and R2 represents an alicyclic hydrocarbon group having an alicyclic structure.]

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