A contrast variation small-angle scattering study of the microstructure of 2,5-dimethyl-7-hydroxy-2,5-diazaheptadecane-toluene-butanol oil-in-water metallomicroemulsions

Alison Paul; Ian Fallis; Catherine Cooper; Tim J Wess; Kate Thomas; Richard Heenan; Stephen King; Peter Griffiths

doi:10.1039/b926812j

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A contrast variation small-angle scattering study of the microstructure of 2,5-dimethyl-7-hydroxy-2,5-diazaheptadecane-toluene-butanol oil-in-water metallomicroemulsions

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A contrast variation small-angle scattering study of the microstructure of 2,5-dimethyl-7-hydroxy-2,5-diazaheptadecane-toluene-butanol oil-in-water metallomicroemulsions

Alison Paul, Ian Fallis, Catherine Cooper, Tim J Wess, Kate Thomas, Richard Heenan, Stephen King and Peter Griffiths

Soft Matter, Vol.6(11), pp.2552-2556

2010

DOI: https://doi.org/10.1039/b926812j

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Abstract

Metallosurfactants comprising copper(ii) (Cu(NO3)2) and zinc(ii) (Zn(NO3)2) nitrate complexes of 2,5-dimethyl-7-hydroxy-2,5-diazaheptadecane were found to form stable oil-in-water microemulsions - metallomicroemulsions - that could solubilise toluene in the presence of butanol. A detailed contrast-variation scattering analysis, employing both neutrons and X-rays, in conjunction with pulsed-gradient spin-echo NMR and simple phase diagram construction, demonstrated that the system formed is that of a conventional microemulsion - a core comprising toluene, separated from the aqueous phase by the surfactant and co-surfactant/co-solvent. This study further demonstrates the versatility of metallosurfactants and the similarity of their physical chemistry behaviour to that of conventional surfactants. © 2010 The Royal Society of Chemistry.

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Title: A contrast variation small-angle scattering study of the microstructure of 2,5-dimethyl-7-hydroxy-2,5-diazaheptadecane-toluene-butanol oil-in-water metallomicroemulsions
Authors: Alison Paul (Author) - Cardiff University, United Kingdom
Ian Fallis (Author) - Cardiff University, United Kingdom
Catherine Cooper (Author) - Cardiff University, United Kingdom
Tim J Wess (Author) - Cardiff University, United Kingdom
Kate Thomas (Author) - Cardiff University, United Kingdom
Richard Heenan (Author) - Science and Technology Facilities Council, United Kingdom
Stephen King (Author) - Science and Technology Facilities Council, United Kingdom
Peter Griffiths (Author) - Cardiff University, United Kingdom
Publication details: Soft Matter, Vol.6(11), pp.2552-2556
Publisher: Royal Society of Chemistry (R S C) Publications
Date published: 2010
DOI: 10.1039/b926812j
ISSN: 1744-683X
Organisation Unit: Office of the Deputy Vice-Chancellor (Academic); University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450880902621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Chemistry, Physical; Materials Science, Multidisciplinary; Physics, Multidisciplinary; Polymer Science