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Issue 55, 2015
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Preparation and properties of carbon nanotube/carbon fiber hybrid reinforcement by a two-step aryl diazonium reaction

Yuwei Wang,ab  Linghui Meng,a  Liquan Fan,ab  Guangshun Wu,a  Lichun Maa  and  Yudong Huang*a 
Author affiliations

* Corresponding authors

a School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China
E-mail: ydhuang.hit1@yahoo.com.cn
Fax: +86 451 86221048
Tel: +86 451 86414806

b College of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, China

Abstract

Raw carbon nanotube (CNT)/carbon fiber (CF) hybrids were achieved through a two-step aryl diazonium reaction in mild, eco-friendly conditions. Raman spectra, Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS) confirmed the grafting of CNT onto the CF surface. The surface topography and surface free energy of the modified CFs were examined by scanning electron microscopy (SEM), transmission electron microscope (TEM) and dynamic contact angle (DCA) tests, respectively. The resulting CNT/CF hybrid formed a strong chemical bond between the fiber and matrix and enhanced the surface wettability of the modified CFs. The interfacial shear strength (IFSS) of the CNT/CF hybrid reinforced composites increased by 104% compared with that of the untreated CFs. Moreover, the mechanical properties of the CNT/CF hybrid showed a slight improvement after modification.

Graphical abstract: Preparation and properties of carbon nanotube/carbon fiber hybrid reinforcement by a two-step aryl diazonium reaction

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Publication details

The article was received on 08 Mar 2015, accepted on 11 May 2015 and first published on 12 May 2015


Article type: Paper
DOI: 10.1039/C5RA04117A
Citation: RSC Adv., 2015,5, 44492-44498
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    Preparation and properties of carbon nanotube/carbon fiber hybrid reinforcement by a two-step aryl diazonium reaction

    Y. Wang, L. Meng, L. Fan, G. Wu, L. Ma and Y. Huang, RSC Adv., 2015, 5, 44492
    DOI: 10.1039/C5RA04117A

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