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Volume 3
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10.3390/polym3042142
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Article

Plasma Treated Multi-Walled Carbon Nanotubes (MWCNTs) for Epoxy Nanocomposites

by
Andrew C. Ritts
1,
Qingsong Yu
1,*,
Hao Li
1,
Stephen J. Lombardo
1,
Xu Han
1,
Zhenhai Xia
2 and
Jie Lian
3
1
Mechanical and Aerospace Engineering Department, University of Missouri, Lafferre Hall, Columbia, MO 65211, USA
2
Department of Material Science and Engineering, University of North Texas, Discovery Park E159A, Denton, TX 76203, USA
3
Department of Mechanical, Aerospace & Nuclear Engineering, Rensselaer Polytechnic Institute, 110 8th street, Troy, NY 12180, USA
*
Author to whom correspondence should be addressed.
Polymers 2011, 3(4), 2142-2155; https://doi.org/10.3390/polym3042142
Submission received: 26 October 2011 / Revised: 8 December 2011 / Accepted: 16 December 2011 / Published: 19 December 2011
(This article belongs to the Special Issue Polymer-Inorganic Hybrids and Their Applications)
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Abstract

Plasma nanocoating of allylamine were deposited on the surfaces of multi-walled carbon nanotubes (MWCNTs) to provide desirable functionalities and thus to tailor the surface characteristics of MWCNTs for improved dispersion and interfacial adhesion in epoxy matrices. Plasma nanocoated MWCNTs were characterized using scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HR-TEM), surface contact angle, and pH change measurements. Mechanical testing results showed that epoxy reinforced with 1.0 wt % plasma coated MWCNTs increased the tensile strength by 54% as compared with the pure epoxy control, while epoxy reinforced with untreated MWCNTs have lower tensile strength than the pure epoxy control. Optical and electron microscopic images show enhanced dispersion of plasma coated MWCNTs in epoxy compared to untreated MWCNTs. Plasma nanocoatings from allylamine on MWCNTs could significantly enhance their dispersion and interfacial adhesion in epoxy matrices. Simulation results based on the shear-lag model derived from micromechanics also confirmed that plasma nanocoating on MWCNTs significantly improved the epoxy/fillers interface bonding and as a result the increased composite strength.
Keywords: polymers; nanocomposites; plasma treatment; dispersion; interfacial adhesion; multi-walled-carbon-nanotubes polymers; nanocomposites; plasma treatment; dispersion; interfacial adhesion; multi-walled-carbon-nanotubes
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MDPI and ACS Style

Ritts, A.C.; Yu, Q.; Li, H.; Lombardo, S.J.; Han, X.; Xia, Z.; Lian, J. Plasma Treated Multi-Walled Carbon Nanotubes (MWCNTs) for Epoxy Nanocomposites. Polymers 2011, 3, 2142-2155. https://doi.org/10.3390/polym3042142

AMA Style

Ritts AC, Yu Q, Li H, Lombardo SJ, Han X, Xia Z, Lian J. Plasma Treated Multi-Walled Carbon Nanotubes (MWCNTs) for Epoxy Nanocomposites. Polymers. 2011; 3(4):2142-2155. https://doi.org/10.3390/polym3042142

Chicago/Turabian Style

Ritts, Andrew C., Qingsong Yu, Hao Li, Stephen J. Lombardo, Xu Han, Zhenhai Xia, and Jie Lian. 2011. "Plasma Treated Multi-Walled Carbon Nanotubes (MWCNTs) for Epoxy Nanocomposites" Polymers 3, no. 4: 2142-2155. https://doi.org/10.3390/polym3042142

APA Style

Ritts, A. C., Yu, Q., Li, H., Lombardo, S. J., Han, X., Xia, Z., & Lian, J. (2011). Plasma Treated Multi-Walled Carbon Nanotubes (MWCNTs) for Epoxy Nanocomposites. Polymers, 3(4), 2142-2155. https://doi.org/10.3390/polym3042142

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