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ABSTRACT
Flexible conductive polymer composites with good mechanical property play an important role in the modern electronic industry. In this study, aromatic poly(amide-imide) (PAI) and thermoplastic polyurethane (TPU), functionalized multi-wall carbon nanotube (FMWCNT) and reduced graphene oxide (RGO), were, respectively, used as polymer matrix and conductive filler to fabricate conductive polymer composites. Combing the advantages of PAI (high strength) and TPU (good elasticity), PAI-TPU/FMWCNT-RGO polymer composites exhibited a high tensile strength of 58.8 MPa and good elongation at break of 255%. On the other hand, the hybrid conductive filler of FMWCNT-RGO possessed a 3D structure, which is beneficial for improving conductive property, and thus a relative high conductivity of 35.9 S m−1 was achieved. The enhanced mechanical and conductive properties are mainly ascribed from the good compatibility between the polymer matrix and conductive fillers, which promotes the good dispersion of conductive filler into the polymer matrixes.
Graphical abstract
1D functionalized multi-wall carbon nanotube (FMWCNT) and 2D reduced graphene oxide (RGO) were used to construct 3D conductive network, and then mixed with a hybrid polymer matrix; a relative high conductivity of 35.9 S m−1 was achieved for this conductive polymer composites.
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The authors declare no conflict of interest.
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Notes on contributors
Yanbin Wang
Yanbin Wang received his PhD degree in polymer chemistry at Kyoto University in 2014. He then worked as a Program-Specific Researcher at Graduate School of Engineering, Kyoto University. Currently, he is an associate professor at School of Materials Science and Engineering, Changzhou University. His research interests focus on organic solar cells and conductive polymer composites.
Qingning Kong
Qingning Kong obtained Master degree at Changzhou University in 2018, who worked on conductive polymer composites. Currently, he is a research and development engineer at Suzhou Silver Age Science and Technology Co., Ltd.
Huang Yu
Huang Yu is a Master degree candidate at Changzhou University, who works onconductive polymer composites.
Zhonglin Luo
Zhonglin Luo obtained her PhD degree in Polymer chemistry and Physics at Fudan University in 2008. She then worked as a postdoctoral research fellow at Department of Chemical and Biomolecular Engineering, National University of Singapore. Currently, she is an associate professor at School of Materials Science and Engineering, Changzhou University. Her research interests focus on multiscale simulation on drug delivery, and conductive polymer composites.
Biaobing Wang
Biaobing Wang obtained his PhD degree in Material Science at Donghua University in 2002. He then worked as a postdoctoral research fellow at Department of Macromolecular Science, Fudan University (2002–2004). From 2004 to 2011, he worked at North University of China. From 2006 to 2009, he worked as a postdoctoral research fellow at Kansas State University. Currently, he is a professor at School of Materials Science and Engineering, Changzhou University. His research interests focus on highly efficientflame retardants for polymers, and conductive polymer composites.