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Hydrophilic, elastomeric, pressure-sensitive adhesive

  • US 4,699,146 A
  • Filed: 09/12/1985
  • Issued: 10/13/1987
  • Est. Priority Date: 02/25/1982
  • Status: Expired due to Term
First Claim
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1. An electroconductive, water-insoluble, hydrophilic, elastomeric pressure-sensitive adhesive comprising a gel of polyvinylpyrrolidone cross-linked by ionizing radiation, a polyalkylene glycol plasticizer, water and a salt selected from ammonium acetate, magnesium acetate or magnesium sulfate,wherein said cross-linked gel is formed by irradiation of a solution or dispersion of said salt and said polyvinylpyrrolidone in said water and said plasticizer;

  • andwherein said cross-linked gel retains said plasticizer within a cross-linked three-dimensional matrix of said polyvinyl pyrrolidone.

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