Startseite Polyamide grafted with polypyrrole: formation, properties, and stability
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Polyamide grafted with polypyrrole: formation, properties, and stability

  • Katarína Mosnáčková EMAIL logo , Mohamed Chehimi , Pavol Fedorko und Mária Omastová
Veröffentlicht/Copyright: 3. Mai 2013
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Chemical Papers
Aus der Zeitschrift Chemical Papers Band 67 Heft 8

Abstract

Conducting textiles of polyamide (PA) fabrics and polypyrrole (PPy) were prepared by in situ oxidative chemical polymerisation of pyrrole (Py) on the surface of PA textiles using FeCl3 as oxidant. The anionic surfactant, dodecylbenzenesulphonic acid, was used as co-dopant during Py polymerisation on the textile surface. The influence of the monomer amount and polymerisation conditions on formation of the conducting PPy layer, conductivity, morphology, and stability of the prepared PA/PPy was studied. The conductivity of modified textiles decreased rapidly after the washing process, so a special Py-functionalised silane (1-(3-(triethoxysilyl)propylamino)-3-(1-H-pyrrole-1-yl)propan-2-ol; SP) was synthesised and applied to the PA surface prior to PPy formation. The presence of SP on the PA surface after completion of the sol-gel process was verified by Fourier transform infrared spectroscopy with an attenuated total reflectance. Pyrrole polymerisation was subsequently applied to the SP pre-treated textile surface. The influence of SP concentration on both the fastness of the conducting layer after the washing process and stability of the electrical conductivity of the prepared PA/PPy samples was investigated. Surface conductivity of the samples treated and untreated by the sol-gel process of SP was measured both prior to and after washing of the prepared textiles. It was found that an application of 0.6 mass % of SP significantly improved the fastness of the PPy layers. Examination of the modified PA surface using scanning electron microscopy disclosed the differences in the formation of PPy on PA textiles when using SP and also showed differences on the PPy modified textile surface prior to and after washing. The method of X-ray photoelectron spectroscopy was used for a detailed study of the surface composition. It was confirmed that the pre-treatment with Py-functionalised triethoxysilane significantly influenced the chemical composition of the PA surface modified with PPy.

Keywords: polypyrrole; polyamide; silane adhesion; antistatic textiles

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Published Online: 2013-5-3
Published in Print: 2013-8-1

© 2012 Institute of Chemistry, Slovak Academy of Sciences

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https://doi.org/10.2478/s11696-012-0305-5
Schlagwörter für diesen Artikel
polypyrrole; polyamide; silane adhesion; antistatic textiles

Artikel in diesem Heft

  1. Recent trends and progress in research into structure and properties of polyaniline and polypyrrole — Topical Issue
  2. Printing polyaniline for sensor applications
  3. Carbonised polyaniline and polypyrrole: towards advanced nitrogen-containing carbon materials
  4. Conducting polymer-silver composites
  5. Electrorheological response of polyaniline and its hybrids
  6. Effect of PPy/PEG conducting polymer film on electrochemical performance of LiFePO4 cathode material for Li-ion batteries
  7. Polyaniline micro-/nanostructures: morphology control and formation mechanism exploration
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  14. Chemical degradation of polyaniline by reaction with Fenton’s reagent — a spectroelectrochemical study
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  23. Multi-wall carbon nanotubes with nitrogen-containing carbon coating
  24. Conducting poly(o-anisidine)-coated steel electrodes for supercapacitors
  25. Conducting polyaniline/multi-wall carbon nanotubes composite paints on low carbon steel for corrosion protection: electrochemical investigations
  26. Preparation of a miniaturised iodide ion selective sensor using polypyrrole and pencil lead: effect of double-coating, electropolymerisation time, and current density
  27. Role of polyaniline morphology in Pd particles dispersion. Hydrogenation of alkynes in the presence of Pd-polyaniline catalysts
  28. Nanostructured polyaniline-coated anode for improving microbial fuel cell power output
  29. Antibacterial properties of polyaniline-silver films
  30. Effect of compression pressure on mechanical and electrical properties of polyaniline pellets
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Heruntergeladen am 1.10.2025 von https://www.degruyterbrill.com/document/doi/10.2478/s11696-012-0305-5/html
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