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Electromagnetic shielding properties of polypyrrole/polyester composites in the 1–18 GHz frequency range

Håkansson, Eva, Amiet, Andrew and Kaynak, Akif 2006, Electromagnetic shielding properties of polypyrrole/polyester composites in the 1–18 GHz frequency range, Synthetic metals, vol. 156, no. 14-15, pp. 917-925.

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Title Electromagnetic shielding properties of polypyrrole/polyester composites in the 1–18 GHz frequency range
Author(s) Håkansson, Eva
Amiet, Andrew
Kaynak, Akif
Journal name Synthetic metals
Volume number 156
Issue number 14-15
Start page 917
End page 925
Publisher Elsevier Sequoia
Place of publication Lausanne, Switzerland
Publication date 2006-07-01
ISSN 0379-6779
Keyword(s) conductive textiles
electromagnetic shielding
dielectric properties
Summary The dielectric characteristics of conducting polymer-coated textiles in the frequency range 1–18 GHz were investigated using a non-contact, non-destructive free space technique. Polypyrrole coatings were applied by solution polymerization on fabric substrates using a range of concentrations of para-toluene-2-sulfonic acid (pTSA) as dopant and ferric chloride as oxidant. The conducting polymer coatings exhibited dispersive permittivity behaviour with a decrease in real and imaginary components of complex permittivity as frequency increased in the range tested. Both the permittivity and the loss factor were affected by the polymerization time of the conductive coating. It was found that the total shielding efficiency of these conductive fabrics is significant at short polymerization times and increases to values exceeding 80% with longer polymerization times. The reflection contribution to electromagnetic shielding also increases with polymerization time.


Language eng
Field of Research 091209 Polymers and Plastics
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003544

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.