Surfactant-based dispersant for multiwall carbon nanotubes to prepare ceramic composites by a sol-gel method

© 2011 American Chemical Society

Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 2 vom: 17. Jan., Seite 1447-52
1. Verfasser: Silva, Patrícia R (VerfasserIn)
Weitere Verfasser: Almeida, Voltaire O, Machado, Geraldo B, Benvenutti, Edilson V, Costa, Tania M H, Gallas, Márcia R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a A dispersant for multiwall carbon nanotubes (MWCNTs) is proposed that fulfils the requirements of creating a uniform dispersion in the matrix and obtaining a good interface between CNTs and the matrix, and is soluble in generic nonpolar solvents. This dispersant is based on a long chain surfactant, called in this work dabcosil stearate, containing a stearate-based 18-carbon alkyl chain as an anion, and a silsesquioxane containing a bridged, positively charged 1,4-diazoniabicyclo[2.2.2]octane group. It provides not only a very good dispersion medium for the MWCNTs, but also a very good interface between MWCNTs and ceramic matrices, such as alumina and zirconia, prepared by the sol-gel method 
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700 1 |a Almeida, Voltaire O  |e verfasserin  |4 aut 
700 1 |a Machado, Geraldo B  |e verfasserin  |4 aut 
700 1 |a Benvenutti, Edilson V  |e verfasserin  |4 aut 
700 1 |a Costa, Tania M H  |e verfasserin  |4 aut 
700 1 |a Gallas, Márcia R  |e verfasserin  |4 aut 
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