Abstract
The percolation threshold of prepared blends of poly(vinyl chloride) (PVC) with doped polyaniline (PANi) from camphorsulfonic acid (CSA) was investigated by cyclic voltammetry. The blends were formed from N-methyl pyrrolidone (NMP) solutions and PANi–CSA/PVC with weight fractions from 0.1% to 0.005%. The film of blends were prepared by casting the above polymer solutions on a glass carbon (GC) electrode. Voltammograms were drew in a one-compartment cell fitted with a GC electrode, Pt electrode and SCE as working, auxiliary and reference electrode respectively, in 1 M perchloric acid as electrolytic solution. The obtained results showed that PANi–CSA/PVC blend onto 0.007% weight from PANi is electroactive. The structure and morphology of prepared blends were investigated by FT-IR spectra and optic microscope.
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