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Journal of Polymer Research

, 25:56 | Cite as

Self-suspended polypyrrole with liquid crystal property

  • Jiahui He
  • Haian Xie
  • Jie Hong
  • Zhaodongfang Gao
  • Zhikang Liu
  • Chuanxi Xiong
ORIGINAL PAPER

Abstract

Polypyrrole (PPy) has attracted wide attention due to its high conductivity, environmental stability, low cost, facile synthesis and doping. However, the rigid backbone and π-conjugation structure of polypyrrole lead to the poor solubility and processability and thus restricting its applications. In this letter, self-suspended PPy was obtained by using a long-chain protonic acid CH3(CH2)8C6H4(OCH2-CH2)10SO3H (NPES) as dopant and then through a common dialysis. Such unique structured PPy is a kind of solvent-free fluid which can flow at or near room temperature. The solubility and processability of self-suspended polypyrrole have been improved effectively due to the introduction of oxyethylene groups and alkyl group. And it also directly presents unique liquid crystal property. Moreover, the self-suspended polypyrrole exhibited a relatively high electrical conductivity reached up to 0.11 S/m, presenting a typical characteristic of the semiconductor. Such self-suspended polypyrrole could be a promising alternative in the field of lightweight battery, super capacitor and metal anti-corrosion.

Keywords

Polypyrrole Self-suspended Free-solvent Liquid crystal 

Notes

Acknowledgements

We are grateful to the financial support of National Natural Science Foundation of China (No. 51673154).

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© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringWuhan University of TechnologyWuhanPeople’s Republic of China

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