Carbon nanotube dispersion using Portland cement-compatible surfactants

Collins, Francis, MacLeod, Alastair and Duan, W. H. 2012, Carbon nanotube dispersion using Portland cement-compatible surfactants, in ACUN-6 2012 : Proceedings of the 6th International Composites Conference on Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure, ACUN-6 Monash University, Clayton, Vic., pp. 199-206.

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Title Carbon nanotube dispersion using Portland cement-compatible surfactants
Author(s) Collins, FrancisORCID iD for Collins, Francis orcid.org/0000-0001-6331-5390
MacLeod, AlastairORCID iD for MacLeod, Alastair orcid.org/0000-0003-3909-1459
Duan, W. H.
Conference name Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure. International Composites Conference (6th : 2012 : Melbourne, Victoria)
Conference location Melbourne, Victoria
Conference dates 14-16 Nov. 2012
Title of proceedings ACUN-6 2012 : Proceedings of the 6th International Composites Conference on Composites and Nanocomposites in Civil, Offshore and Mining Infrastructure
Editor(s) Bai, Yu
Bandyopadhyay, Sri
Zhao, Xiao-Ling
Singh, Raman
Rizkalla, Sami
Publication date 2012
Series ACUN International Composites Conference
Conference series Composite & Nanocomposites in Civil, Offshore and Mining Infrastructure
Start page 199
End page 206
Total pages 7
Publisher ACUN-6 Monash University
Place of publication Clayton, Vic.
Keyword(s) carbon nanotube
cement
dispersion
surfactants
Summary Carbon nanotubes (CNTs) are among the strongest known materials. Their potential as nanoscale reinforcement for cementitious materials is significant, with some reported compressive strength increases in excess of 50%. However, there is a great deal of variability in the results obtained, with some researchers showing zero-to-marginal increases in mechanical properties. One major reason for this is the poor dispersion of CNTs within the cementitious matrix. Many different approaches have been employed to disperse the highly hydrophobic CNTs within water and cement paste, with varying degrees of success. This paper presents the results of dispersion trials undertaken on CNTs within neutral and alkaline aqueous solutions and assesses the relative performance of different surfactants to facilitate dispersion.
ISBN 9780646585895
Language eng
Field of Research 090505 Infrastructure Engineering and Asset Management
090503 Construction Materials
Socio Economic Objective 870301 Cement and Concrete Materials
HERDC Research category E1.1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2012, ACUN-6 Monash University
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080793

Document type: Conference Paper
Collections: Institute for Frontier Materials
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