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Investigation of the Electrical Properties and Electromagnetic Shielding Effectiveness of Polypyrrole Coated Cotton  Yarns

Research and development

Authors:

  • Yildiz Z.
    Department of Textile Education, Faculty of Technical Educationn, University of Marmara, Istanbul, Turkey
  • Usta İsmail (j/w)
  • Gungor A.
    Department of Chemistry, Faculty of Arts and Sciences, Marmara University, Istanbul, Turkey

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Abstract:

Polypyrrole (PPy) coated cotton yarns were prepared by the vapour phase polymerisation technique at various initiator concentrations. Iron (III) chloride (FeCl3) was used as the initiator at four different concentrations (0.2, 0.4, 0.6 & 0.8 mol/l) respectively. In this work, the effects of initiator concentration on the tensile, electrical and morphological properties of the cotton yarns were investigated. PPy coated cotton yarns were woven on a handloom for the investigation of electromagnetic shielding effectiveness. The fabric samples prepared were evaluated in terms of shielding behavior. Scanning electron microscopy (SEM) analysis showed that the yarn treated with 0.4 mol/l initiator concentration gave the most uniform PPy layer and highest shielding value. The existence of PPy was proved by using Fourier transform infrared spectroscopy (FTIR) analysis.

Tags:

polypyrrole, vapour phase polymerization, electrical property, electromagnetic
shielding effectiveness.

Citation:

Yildiz Z, Usta I, Gungor A. Investigation of the Electrical Properties and Electromagnetic Shielding Effectiveness of Polypyrrole Coated Cotton Yarns. FIBRES & TEXTILES in Eastern Europe 2013; 21, 2(98): 32-37.

Published in issue no 2 (98) / 2013, pages 32–37.

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