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Conductive blends of dodecylbenzene sulfonic acid-doped polyaniline with poly (vinyl pyrrolidone)

WEI PAN1,* , LIANGJUN QU1, YAN CHEN1

Affiliation

  1. Institute of Materials and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, P. R. China

Abstract

Conducting composites of Poly (vinyl pyrrolidone) (PVP) and dodecylbenzene sulfonic acid doped polyaniline (PANI-DBSA) were prepared by solution casting. Electrical properties of the blends were characterized by means of electrical conductivity measurements. Differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR) were used to investigate the hydrogen bonding and miscibility behavior of the blend. It was found that the electrical conductivity of the composites was increased with the increase of PANI-DBSA content and the percolation threshold was around 10 wt %. The formation of the hydrogen bonding between PVP and PANI-DBSA was identified by the FTIR spectra.

Keywords

Poly (vinyl pyrrolidone), Polyaniline, Blend, Conductivity.

Citation

WEI PAN, LIANGJUN QU, YAN CHEN, Conductive blends of dodecylbenzene sulfonic acid-doped polyaniline with poly (vinyl pyrrolidone), Optoelectronics and Advanced Materials - Rapid Communications, 4, 12, December 2010, pp.2123-2128 (2010).

Submitted at: May 5, 2010

Accepted at: Nov. 29, 2010