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Journal of Materials Science

, Volume 53, Issue 9, pp 7060–7071 | Cite as

Synthesis and tribological properties of polyaniline functionalized by ionic liquids

  • Zhengfeng Cao
  • Yanqiu Xia
Polymers

Abstract

Two types of functionalized polyaniline (PAN) were synthesized based on the interfacial polymerization. PAN was characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy and Fourier transform infrared spectrometer. The results showed that synthesized PAN had different structures and was effectively modified by ionic liquids. The tribological properties of PAN as additives in polyethylene glycol (PEG) for steel/steel pairs were investigated in detail. The maximum reduction in friction and wear was achieved by PEG with addition of 0.2 wt% PAN. In particular, the wear volume was reduced by 3.8 times under 200 N. Moreover, the lubrication mechanisms were proposed by SEM and X-ray photoelectron spectroscopy (XPS) analysis of the worn surfaces.

Notes

Acknowledgements

This work is supported by the National Natural Science Foundation of China (Grant 51575181) and Beijing Municipal Natural Science Foundation (Grant 2172053).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Energy Power and Mechanical EngineeringNorth China Electric Power UniversityBeijingChina
  2. 2.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhouChina

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