Practical amine functionalization of multi-walled carbon nanotubes for effective interfacial bonding

Chen, Zhiqiang, Dai, Xiujuan J., Lamb, Peter R., de Celis Leal, David R., Fox, Bronwyn L., Chen, Ying, du Plessis, Johan, Field, Matthew and Wang, Xungai 2012, Practical amine functionalization of multi-walled carbon nanotubes for effective interfacial bonding, Plasma processes and polymers, vol. 9, no. 7, pp. 733-741, doi: 10.1002/ppap.201100203.

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Title Practical amine functionalization of multi-walled carbon nanotubes for effective interfacial bonding
Author(s) Chen, ZhiqiangORCID iD for Chen, Zhiqiang
Dai, Xiujuan J.
Lamb, Peter R.
de Celis Leal, David R.
Fox, Bronwyn L.
Chen, YingORCID iD for Chen, Ying
du Plessis, Johan
Field, Matthew
Wang, XungaiORCID iD for Wang, Xungai
Journal name Plasma processes and polymers
Volume number 9
Issue number 7
Start page 733
End page 741
Total pages 9
Publisher Wiley – VCH Verlag GmbH & Co. KGaA
Place of publication Weinheim, Germany
Publication date 2012-07
ISSN 1612-8850
Keyword(s) carbon nanotubes
plasma modification
plasma polymerization
primary amines
Summary  Improved methods of functionalizing the surfaces of multi-walled carbon nanotubes (MWCNTs) have been investigated. It is shown that a level of primary amines of 2.3%, higher than previously reported for any nitrogen-containing gas plasma treatment, can be achieved using a mixture of N2 and H2, which is preferable to using NH3. Even higher levels (3.5%) of primary amines can be achieved by coating the MWCNTs with a thin layer of plasma polymerized heptylamine. In both cases, the highest levels were achieved using a combined continuous plus pulsed plasma mode which was superior to either continuous wave or pulsed wave alone. The integrity of the MWCNT structure is maintained by the plasma treatments, and the functionalized surface improves the dispersion of the MWCNTs and their interfacial bonding with epoxy, giving superior nanoindentation performance of the composites.
Language eng
DOI 10.1002/ppap.201100203
Field of Research 020204 Plasma Physics; Fusion Plasmas; Electrical Discharges
091205 Functional Materials
100706 Nanofabrication, Growth and Self Assembly
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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Document type: Journal Article
Collections: Institute for Frontier Materials
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