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Dielectric and Antistatic Properties of Polyaniline—Carbon Black Composite

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Polyaniline—Carbon black composites were prepared by oxidation polymerization methods. The prepared polymer composites were characterized by FTIR which shows the formation of benzenoid and quinoid ring along with metal oxide peaks that confirms the formation of composites and SEM indicates that the composites granular in shape with average particle size of 200 μm. Further the DC conductivity was carried out for PANI and its composites. It was found that 30 wt% shows highest conductivity of 1.2 S/cm due to extended composites chain length. Dielectric study also shows that 30 wt% has lowest dielectric constant and dielectric loss of 180 and 30 respectively, resulting in an increase in conductivity of 3 × 10–2 S/cm. Cole–cole plots shows semi arc originated from single point and its area decreases with filler concentration up to 30 wt% due to drop in the electrical resistance. The antistatic properties were studied John Chubb Instrument and found that less than 30 wt% response in 2s therefore it has good potential use as antistatic materials.
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Keywords: BULK RESISTANCE; CONDUCTIVITY; GRAIN BOUNDARIES; IMPEDANCE SPECTROSCOPY

Document Type: Research Article

Publication date: June 1, 2015

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  • Journal of Advanced Physics is an interdisciplinary peer-reviewed journal consolidating research activities in all experimental and theoretical aspects of advanced physics. The journal aims in publishing articles of novel and frontier physics that merit the attention and interest of the whole physics community. JAP publishes review articles, full research articles, short communications of important new scientific and technological findings in all latest research aspects of physics.
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