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Antistatic Block Copolymer Pressure Sensitive Adhesives and Articles

  • US 20110135921A1
  • Filed: 03/03/2009
  • Published: 06/09/2011
  • Est. Priority Date: 03/07/2008
  • Status: Abandoned Application
First Claim
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1. A composition comprising:

  • a) an antistatic agent selected from a group consisting of a salt, a metal, an electrically conductive metal oxide, buckminsterfullerene, carbon nanotubes, and a combination thereof; and

    b) a first block copolymer comprisingi) at least two hard A block polymeric units each independently having a Tg of at least 50°

    C.; and

    ii) at least one soft B block (meth)acrylic polymeric unit having a Tg no greater than 20°

    C.,wherein the first block copolymer comprises a total of 10 weight percent to 60 weight percent of the hard A block polymeric units, and wherein the composition is an antistatic pressure sensitive adhesive.

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