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Persistent URL http://purl.org/net/epubs/work/53096
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Record Id 53096
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
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.
Organisation ISIS , ISIS-LOQ , STFC
Keywords Chemistry
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article Soft Matter 6, no. 11 (2010): 2552-2556. doi:10.1039/b926812j 2010