Abstract
We report the fabrication and properties of polyarylene ether nitrile (PEN) nanocomposite with 3D carbon nanotubes/graphene sheets network (Fe3O4-CNT/GS) bridged by magnetite. The Fe3O4-CNT/GS is firstly fabricated by one-step solvothermal method after the synthesis of phthalonitrile functionalized CNT (CNT-CN) and GO (GO-CNT). Fe3O4-CNT/GS is characterized by XPS and XRD, while the 3D frame of it is confirmed by SEM observation. Then, the obtained Fe3O4-CNT/GS is introduced into phthalonitrile end-capped polyarylene ether nitrile (PEN-Ph) to prepare the composites by solution-mixing assembly and solution casting method. Finally, the obtained PEN based nanocomposites are further treated at 320 °C to improve the properties of the composites. To study the effect of Fe3O4-CNT/GS on the PEN-Ph, the micro-morphologies, mechanical, thermal and dielectric properties of the obtained (Fe3O4-CNT/GS)/PEN nanocomposites films are investigated. Besides, the influence of the Fe3O4-CNT/GS content and the heat-treatment on the properties of the PEN composites are also investigated. The results show that Fe3O4-CNT/GS can improve the dielectric properties and maintain good mechanical properties of PEN composite simultaneously.
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Acknowledgements
The financial supports from NSFC (51373028, 51403029 and 51603029), UESTC (A03013023601012), South Wisdom Valley Innovative Research Team Program and Ningbo Major (key) Science and Technology Research Plan (2013B06011) are gratefully acknowledged.
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Jialing Wang and Renbo Wei have contributed equally to this work.
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Wang, J., Wei, R., Tong, L. et al. Effect of magnetite bridged carbon nanotube/graphene networks on the properties of polyarylene ether nitrile. J Mater Sci: Mater Electron 28, 3978–3986 (2017). https://doi.org/10.1007/s10854-016-6010-3
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DOI: https://doi.org/10.1007/s10854-016-6010-3