Journal of Materials Science

, Volume 54, Issue 8, pp 6227–6237 | Cite as

Multiwalled carbon nanotubes encapsulated polystyrene: a facile one-step synthesis, electrical and thermal properties

  • Weifang Han
  • Wei Song
  • Yuxiang Shen
  • Chunhua GeEmail author
  • Rui Zhang
  • Xiangdong ZhangEmail author


Polymer-based composites with excellent heat transfer properties have been widely applied in the thermal management system. However, the poor dispersion of filler restricts the heat dissipation performance of composites and the strong interfacial thermal barrier is another crucial issue. Herein, core–shell-structured polystyrene@multiwalled carbon nanotubes (PS@MWCNTs) composites were prepared by a one-step microemulsion polymerization method. The resultant PS@MWCNT composite with interconnected MWCNTs on the surface, as a thermally conductive network, was further processed and formed via hot pressing. As a consequence, the high thermal conductivity of 1.357 W/m K was achieved at MWCNTns loading of 10 wt%, which is equivalent to a thermal conductivity enhancement of 618% compared to pure PS (0.189 W/m K). Besides, the obtained PS@MWCNT composite film also possesses a low sheet resistance. This method can be further extended to construct other polymer-based composites with high thermal conductivity.



The authors thank the Natural Science Foundation of Liaoning Province (201602347 and GY2016-B-003), Liaoning Provincial Department of Education Innovation Team Projects (LT2015012) and Shenyang Science and Technology Plan Project (F17-231-1-05) for funding and supporting this work. The authors also thank our colleagues and other students for their participating in this work.

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 2019

Authors and Affiliations

  1. 1.College of ChemistryLiaoning UniversityShenyangPeople’s Republic of China

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