Abstract
In this paper, we adopted hot-pressing treatment to convert the regular reduced graphene oxide (RGO) from chemical exfoliation to the high-quality graphene (HQG), and then the HQG/poly vinylidene fluoride (PVDF) composite films were prepared by spin coating. The microstructural characterizations and property measurements revealed that (1) The HQG was free of defects and oxygen-containing functional groups on the surface, and exhibited a homogeneous dispersion and a well composite with PVDF; (2) The storage modulus of the HQG/PVDF composite was nearly twice higher than that of RGO/PVDF composite, and eight times higher than that of pure PVDF; and (3) The optimum additive amount of HQG with PVDF was at between 3 and 5 wt%. It is expected that the present HQG has a potential applications in polymer composites.
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Acknowledgement
This work was supported by the National Nature Science Foundation of China (Nos. 11174227,51209023), the National Key Technology R&D Program of the Hubei Province (No. 2013BHE012), and the Fundamental Research Funds for the Central Universities.
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Yu, C., Li, D., Wu, W. et al. Mechanical property enhancement of PVDF/graphene composite based on a high-quality graphene. J Mater Sci 49, 8311–8316 (2014). https://doi.org/10.1007/s10853-014-8539-y
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DOI: https://doi.org/10.1007/s10853-014-8539-y