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Article

SMA-Assisted Exfoliation of Graphite by Microfluidization for Efficient and Large-Scale Production of High-Quality Graphene

by 1,2,3, 1,2,3, 1,2,3 and 1,2,3,*
1
State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China
2
Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology, Tianjin 300387, China
3
School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(12), 1653; https://doi.org/10.3390/nano9121653
Received: 29 October 2019 / Revised: 15 November 2019 / Accepted: 18 November 2019 / Published: 21 November 2019
In this paper, the sodium salt of styrene-maleic anhydride copolymer (SMA) was used as a stabilizer in the process of graphite exfoliation to few-layer graphene using the technique of microfluidization in water. This method is simple, scalable, and cost-effective, and it produces graphene at concentrations as high as 0.522 mg mL−1. The generated high-quality graphene consists of few-layer sheets with a uniform size of less than 1 μm. The obtained graphene was uniformly dispersed and tightly integrated into a polyamide 66 (PA66) matrix to create high-performance multifunctional polymer nanocomposites. The tensile strength and thermal conductivity of 0.3 and 0.5 wt% EG/PA66 composites were found to be ~32.6% and ~28.8% greater than the corresponding values calculated for pure PA66, respectively. This confirms that the new protocol of liquid phase exfoliation of graphite has excellent potential for use in the industrial-scale production of high-quality graphene for numerous applications. View Full-Text
Keywords: liquid phase exfoliation; microfluidization; graphene; large-scale fabrication; polyamide 66 composites liquid phase exfoliation; microfluidization; graphene; large-scale fabrication; polyamide 66 composites
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MDPI and ACS Style

Wang, Y.; Zhang, X.; Liu, H.; Zhang, X. SMA-Assisted Exfoliation of Graphite by Microfluidization for Efficient and Large-Scale Production of High-Quality Graphene. Nanomaterials 2019, 9, 1653. https://doi.org/10.3390/nano9121653

AMA Style

Wang Y, Zhang X, Liu H, Zhang X. SMA-Assisted Exfoliation of Graphite by Microfluidization for Efficient and Large-Scale Production of High-Quality Graphene. Nanomaterials. 2019; 9(12):1653. https://doi.org/10.3390/nano9121653

Chicago/Turabian Style

Wang, Yuzhou, Xianye Zhang, Haihui Liu, and Xingxiang Zhang. 2019. "SMA-Assisted Exfoliation of Graphite by Microfluidization for Efficient and Large-Scale Production of High-Quality Graphene" Nanomaterials 9, no. 12: 1653. https://doi.org/10.3390/nano9121653

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