Jump to main content
Jump to site search

Issue 11, 2010
Previous Article Next Article

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

Author affiliations

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.

Graphical abstract: 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

Back to tab navigation

Supplementary files

Publication details

The article was received on 22 Dec 2009, accepted on 06 Apr 2010 and first published on 30 Apr 2010


Article type: Paper
DOI: 10.1039/B926812J
Soft Matter, 2010,6, 2552-2556

  •   Request permissions

    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

    A. Paul, I. Fallis, C. Cooper, T. Wess, K. Thomas, R. Heenan, S. King and P. Griffiths, Soft Matter, 2010, 6, 2552
    DOI: 10.1039/B926812J

Search articles by author

Spotlight

Advertisements