Title: PURIFICATION OF CARBON NANOTUBES AND ITS EFFECT ON THE PROPERTIES OF CARBON NANOTUBE/POLYANILINE NANOCOMPOSITES
Page Range: p.85-90
Author(s): Dongyu Zhao; Kai Su; Xuemei Gao; Xiangdong Liu; Yunfei Meng; Weishu Yuan
File size: 230K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 18
Issue No: No.2
Abstract
Multi-walled carbon nanotubes were purified by use of mixed acid (nitric and sulphuric acids). The multi-walled carbon nanotubes/polyaniline composite (MWCNTs/PANI) was prepared by in-situ polymerisation using aniline monomer and nanotubes in HCl solution. The content of MWCNTs in the samples was 0 to 20 wt %. The composites were characterised with respect to their structure, morphology, conductivity, mechanical properties and other properties. The results showed that the MWCNTs were well dispersed in water after purification. The interaction between PANI and MWCNTs was proved by FTIR spectrometry. The conductivity and the TS of the MWCNTs/PANI were markedly improved after purification. 23 refs.
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