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Moscow University Chemistry Bulletin Vol. 45, No. 3, P. 195 (2004)
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M. V. Poteshnova, N. M. Zadymova, E. V. Grigoriev

Characteristics of ternary o/w microemulsions Tween-80-toluene–water

Abstract

The ternary o/w microemulsions Tween-80–toluene–water were investigated by 1H NMR spectroscopy. It was shown that 60% of toluene is localized in hydrophobic core and 40% in oxyethylene part of microemulsion droplets. The aggregation number, the radius of hydrophobic core, thickness of oxyethylene shell and the area per surfactant molecule on the surface of hydrophobic core (Q) in the investigated microemulsion were calculated. It was shown that the enlarge of microemulsion droplets is stopped when Q value is decreasing up to the value of the area per surfactant molecule in “close–packed” monolayer.
Moscow University Chemistry Bulletin.
2004, Vol. 45, No. 3, P. 195
   

Copyright (C) Chemistry Dept., Moscow State University, 2002
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