Conductive electrospun Polyaniline/Polyvinylpyrrolidone nanofibers: Electrical and morphological characterization of new yarns for electronic textiles

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Abstract

Advanced functionalities textiles embedding electronic fibers, yarns and fabrics are a demand for innovative smart cloths. Conductive electrospun membranes and yarns based on polyaniline/polyvinylpyrrolidone (PANI/PVP) were investigated using the chemical modification of PANI instead of using conventional coating processes as in-situ polymerization. PANI was synthesized from the aniline monomer and the influence of the oxidant-to-monomer ratio on electrical conductivity was studied. The optimized conductivity of pellets made with pressed PANI powders was 21 S·cm-1. Yarns were then prepared from the t-Boc-PANI/PVP electrospun membranes followed by PANI protonation to enhance their electrical properties. Using this methodology, electrospun membranes and yarns were produced with electrical conductivities of 1.7 x 10-2 and 4.1 x 10-4 S·cm-1.

Original languageEnglish
Article number24
JournalFibers
Volume8
Issue number4
DOIs
Publication statusPublished - 1 Apr 2020

Keywords

  • Conductive textile
  • Conductive yarn
  • Electrospinning
  • Polyaniline
  • Polyvinylpyrrolidone

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