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Journal of Polymer Research

, 19:9746 | Cite as

Novel electroactive aromatic polyamide with oligoanilines and azo groups in the backbone: synthesis, characterization and dielectric properties

  • Libing He
  • Danming Chao
  • Chengcheng Zhang
  • Xiaoteng Jia
  • Hongtao Liu
  • Xincai Liu
  • Ce Wang
Original Paper

Abstract

A novel electroactive polyamide with alternating amino-capped aniline pentamer and azo groups in the main chain was synthesized via a four-step synthetic procedure. The characteristics of the obtained polyamide were studied in detail by Fourier-transform infrared (FTIR) spectra, nuclear magnetic resonance (1H NMR) and gel permeation chromatography (GPC). The thermogravimetric analysis (TGA) was used to evaluate its thermal characteristics, and the result showed the as-synthesized polymer had a good thermal stability. Besides, the electrochemical behavior of the polyamide was checked by cyclic voltammetry (CV) and the mechanism of electrochemical oxidation process was well studied. Furthermore, UV–vis spectra were used to monitor the doping process and photoisomerization process of the polyamide. Ratifying results were obtained in the investigation on dielectric properties of the as-synthesized polymer. The dielectric constant was greatly increased by treating the conjugated oligoaniline segments with hydrochloric acid.

Keywords

Oligoaniline Azo Electroactive Photoisomerization Dielectric properties 

Notes

Acknowledgments

The work has been supported by National 973 Project (No. 2007CB936203 and S2009061009), NSF China (No. 50973038 and 50873045), and National 863 Project (No. 2007AA03Z324)

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Alan G. MacDiarmid InstituteJilin UniversityChangchunPeople’s Republic of China

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