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Preparation and Properties of Carbon Nanotube / Polyaniline Nanocomposites

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Abstract:

Aniline monomer coated on the nanotubes in HCl solution was used to prepare a composite of multi-wall carbon nanotube/polyaniline (MWCNT/PANI) by in-situ polymerization. Multi-wall carbon nanotubes were treated by the mixed acid (HNO3:H2SO4 in a ratio of 1:3). The content of MWCNT in the samples was 0-20 wt%. The nanocomposites were characterized by Thermogravimetric analysis (TGA), Fourier transform-infrared spectroscopy (FT-IR), Raman spectroscopy and scanning electron microscopy. The mechanical properties of the MWCNT/PANI nanocomposites were also measured. The results showed that the MWCNT was well dispersed in water after purification. Both FT-IR and Raman spectra illustrated the presence of MWCNT in the composites; the interaction between PANI and MWCNT was proved. The Young΄s modulus was 618MPa with 20wt% loading. The effects of treatment of MWCNT on the mechanical properties of MWCNT/PANI nanocomposites are discussed.

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Periodical:

Advanced Materials Research (Volumes 391-392)

Pages:

13-17

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.13

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Online since:

December 2011

Authors:

Dong Yu Zhao, Zheng Jin, Xue Qin Yang, Xiao Ying Jia

Keywords:

Carbon Nanotube (CN), In Situ Polymerization, Nanocomposite, Polyaniline

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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