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Pressure-sensitive adhesive strip

  • US 20180163092A1
  • Filed: 08/11/2017
  • Published: 06/14/2018
  • Est. Priority Date: 12/09/2016
  • Status: Active Grant
First Claim
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1. A pressure-sensitive adhesive strip comprising three layers as follows:

  • an inner layer F composed of a non-extensible film carrier,a layer SK1 composed of a self-adhesive composition arranged on a surface of layer F and based on a vinylaromatic block copolymer composition foamed with microballoons,a layer SK2 composed of a self-adhesive composition arranged on an opposite surface of layer F from layer SK1 and based on a vinylaromatic block copolymer composition foamed with microballoons,where a mean diameter of each of voids formed by the microballoons in layers SK1 and SK2 is independently 20 to 60 μ

    m.

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