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Surface functionalized and derivatized electroactive polymers with immobilized active moieties

  • US 5,352,574 A
  • Filed: 10/04/1991
  • Issued: 10/04/1994
  • Est. Priority Date: 03/13/1989
  • Status: Expired due to Fees
First Claim
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1. A process for the immobilization of an indicator reagent upon a chemically modified surface of an electroactive polymeric substrate having a predetermined electrical conductivity, the process comprising:

  • (a) reacting an electroactive polymeric substrate selected from the group consisting of polyacetylene, polypyrrole, polyaniline and polythiophene with at least one chemical modification reagent to produce an activated surface containing new functional groups capable of covalent bonding on the surface of the substrate, the activated surface being associated with a predetermined electrical conductivity;

    (b) reacting the activated surface on the substrate with a linking agent; and

    (c) reacting the linking agent with an indicator reagent to covalently band the indicator reagent to the activated surface of the substrate such that the predetermined electrical conductivity of the substrate can be altered by reactions of an analyte with the indicator reagent.

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