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Effects of Different Functionalization Schemes on the Interfacial Strength of Carbon Nanotube Polyethylene Composite

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Abstract

The mechanical performance of carbon nanotube (CNT) reinforced polymer composites is primarily controlled by the dispersive capacity and interfacial shear strength of CNTs in polymer matrices. CNT functionalizations will improve dispersion and strengthen interfacial bonding of CNTs in matrices. To understand the effects of different functionalization schemes on the interfacial strength of CNT-polymer composites, pullout of the covalent, noncovalent, and mixed functionalized single-walled carbon nanotube (SWCNT) from polyethylene (PE) matrix was simulated by using molecular dynamics, respectively. The results show that the SWCNT-PE interfacial shear strength is significantly improved by SWCNT functionalizations, particularly by mixed functionalization.

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Author information

Authors and Affiliations

  1. Architecture and Civil Engineering Institute, Guangdong University of Petrochemical Technology, 525000, Maoming, China

    Tan Xiao

  2. Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 211816, Nanjing, China

    Juqing Liu

  3. School of Computer and Electronic Information, Guangdong University of Petrochemical Technology, 525000, Maoming, China

    Huifang Xiong

Authors
  1. Tan Xiao
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  2. Juqing Liu
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  3. Huifang Xiong
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Correspondence to Tan Xiao.

Additional information

Project supported by the National Natural Science Foundation of China (No. 11272360), the Natural Science Foundation of Guangdong Province (No. 2014A030313793), and the Research Fund for the Doctoral Program of Higher Education of China (No. 20120171110035).

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Xiao, T., Liu, J. & Xiong, H. Effects of Different Functionalization Schemes on the Interfacial Strength of Carbon Nanotube Polyethylene Composite. Acta Mech. Solida Sin. 28, 277–284 (2015). https://doi.org/10.1016/S0894-9166(15)30014-8

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  • DOI: https://doi.org/10.1016/S0894-9166(15)30014-8

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