Pressure-sensitive adhesive composition, pressure-sensitive adhesive layer, and pressure-sensitive adhesive sheet

  • US 20090029161A1
  • Filed: 07/15/2008
  • Published: 01/29/2009
  • Est. Priority Date: 07/17/2007
  • Status: Abandoned Application
First Claim
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1. A pressure-sensitive adhesive composition comprising a poly(meth)acrylate compound that contains a repeating unit shown by the following formula (1) in its molecule and has a melting point of 50°

  • C. or less, wherein X+ and Y

    represent a combination of a counter cation and a counter anion which may form an ion pair, R represents a hydrogen atom or a methyl group, and A represents a linking group.

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