Conducting Polymer Fibres with Excellent Mechanical Properties and High Electrical Conductivity

  • A. Andreatta
  • S. Tokito
  • P. Smith
  • A. J. Heeger
Conference paper

Abstract

We present a summary of our recent results on the electrical and mechanical properties of fibers made from poly(2,5-dimethoxy-p-phenylene vinylene), PDMPV and poly(2,5-thienylene vinylene), PTV, using the precursor polymer methodology, and from polyaniline, PANI, using the method of processing as polyblends with poly-(p-phenylene terephthalamide), PPTA, from sulfuric acid. The solubility of both PANI and PPTA in H2SO4 presents a unique opportunity for co-dissolving and blending PANI and PPTA to exploit the excellent mechanical properties of PPTA and the electrical conductivity of PANI; we summarize the electrical and mechanical properties of such composite fibers. For PDMPV and PTV fibers, we find a strong correlation between the conductivity and the tensile strength (and/or modulus), and we show from basic theoretical concepts that this relationship is an intrinsic feature of conducting polymers.

Keywords

Furnace Hexane Chloroform Iodine Coherence 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • A. Andreatta
    • 1
    • 2
  • S. Tokito
    • 1
  • P. Smith
    • 1
    • 2
    • 3
  • A. J. Heeger
    • 1
    • 2
    • 4
  1. 1.Institute for Polymers and Organic SolidsUniversity of CaliforniaSanta BarbaraUSA
  2. 2.Materials DepartmentUSA
  3. 3.Chemical and Nuclear Engineering DepartmentUSA
  4. 4.Physics DepartmentUSA

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