Pressure-sensitive adhesive based on acrylate block copolymers

  • US 7,459,499 B2
  • Filed: 12/15/2004
  • Issued: 12/02/2008
  • Est. Priority Date: 12/18/2003
  • Status: Active Grant
First Claim
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1. Pressure-sensitive adhesive comprising an acrylate blockcopolymer having at least two chemically distinguishable, covalently interlinked acrylate polymer blocks P, the at least two polymer blocks P independently of one another each being a homopolymer block of a first monomer or a copolymer block of a second monomer, which may be the same as or different from the first monomer, with a comonomer, and the at least two polymer blocks P being present under application conditions in microphase-separated regions and each having a softening temperature of between −

  • 125 and +19°

    C.

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