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Friction 2015, 3(1): 72-81 https://doi.org/10.1007/s40544-015-0076-4
Research Article | Open Access | Issue | Published: 19 March 2015

In situ reduction and functionalization of graphene oxide to improve the tribological behavior of a phenol formaldehyde composite coating

Show Author's Information Mingming YANG1,2,  Zhaozhu ZHANG1( ),  Xiaotao ZHU1,  Xuehu MEN1( ),  Guina REN1,2
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Tianshui Road 18th, Lanzhou 730000, China
University of Chinese Academy of Sciences, Beijing 100039, China
Keywords:
wear; friction; graphene; phenolic resin
Cite this article:
YANG M, ZHANG Z, ZHU X, et al. In situ reduction and functionalization of graphene oxide to improve the tribological behavior of a phenol formaldehyde composite coating. Friction, 2015, 3(1): 72-81. https://doi.org/10.1007/s40544-015-0076-4
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Abstract Full text About this article

The development of a phenol formaldehyde/graphene (PF–graphene) composite coating with high performance is desirable but remains a challenge, because of the ultrahigh surface area and surface inertia of the graphene. Herein, we synthesized PF–graphene composites by the in situ polymerization of phenol and formaldehyde with the addition of graphene oxide, resulting in improved compatibility between the graphene and phenolic resin (PF) matrix and endowing the phenolic resin with good thermal stability and excellent tribological properties. Fourier-transform infrared (FTIR) spectra and X-ray diffraction (XRD) patterns demonstrated that the graphene oxide was reduced during the in-situ polymerization. The PF–graphene composites were sprayed onto steel blocks to form composite coatings. The effects of an applied load and of the sliding speed on the tribological properties of the PF–graphene composite coating were evaluated using a block-on-ring wear tester; in addition, the worn surface and the transfer film formed on the surface of the counterpart ring were studied by scanning electron microscopy (SEM). The results show that the PF–graphene composite coating exhibited enhanced tribological properties under all tested conditions.


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About this article

In situ reduction and functionalization of graphene oxide to improve the tribological behavior of a phenol formaldehyde composite coating

Show Author's information Mingming YANG1,2, Zhaozhu ZHANG1( ), Xiaotao ZHU1, Xuehu MEN1( ), Guina REN1,2
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Tianshui Road 18th, Lanzhou 730000, China
University of Chinese Academy of Sciences, Beijing 100039, China

Abstract

The development of a phenol formaldehyde/graphene (PF–graphene) composite coating with high performance is desirable but remains a challenge, because of the ultrahigh surface area and surface inertia of the graphene. Herein, we synthesized PF–graphene composites by the in situ polymerization of phenol and formaldehyde with the addition of graphene oxide, resulting in improved compatibility between the graphene and phenolic resin (PF) matrix and endowing the phenolic resin with good thermal stability and excellent tribological properties. Fourier-transform infrared (FTIR) spectra and X-ray diffraction (XRD) patterns demonstrated that the graphene oxide was reduced during the in-situ polymerization. The PF–graphene composites were sprayed onto steel blocks to form composite coatings. The effects of an applied load and of the sliding speed on the tribological properties of the PF–graphene composite coating were evaluated using a block-on-ring wear tester; in addition, the worn surface and the transfer film formed on the surface of the counterpart ring were studied by scanning electron microscopy (SEM). The results show that the PF–graphene composite coating exhibited enhanced tribological properties under all tested conditions.

Keywords: wear; friction; graphene; phenolic resin

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Publication history

Received: 17 October 2014
Revised: 20 January 2015
Accepted: 01 March 2015
Published: 19 March 2015
Issue date: June 2021

Copyright

© The author(s) 2015

Acknowledgements

The authors acknowledge the financial support of the National Natural Science Foundation of China (Grant Nos. 51375472 and 51305429).

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This article is published with open access at Springerlink.com

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