Abstract
Polyaniline(PANI)/polyvinyl chloride(PVC)/nylon fiber composites were prepared by the chemical oxidative polymerization of aniline using ammonium persulphate initiator by the in situ technique. The composites were then cast into films and doped with hydrochloric acid. The dielectric properties were investigated using the cavity perturbation technique at room temperature. A rectangular cavity operating at S-band (2.4 GHz) was used. The dielectric properties were found to vary with frequency and composition of the composites. Better dielectric properties were obtained at a PVC:PANI:fiber proportion of 1:1:0.05 and at 2.4 GHz. The tensile strength of the composites was also improved.
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