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Issue 23, 2015
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Structural rearrangement in the aqueous solution of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate

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Abstract

The aggregation behaviors of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate in aqueous solutions were investigated by conductometry, densimetry, fluorimetry, 1H nuclear magnetic resonance (1H NMR) spectroscopy, dynamic light scattering (DLS), and transmission electron microscopy (TEM), which confirmed two distinguished critical concentrations. The first critical concentration was believed to be the critical aggregation concentration (CAC), where two different types of aggregates were formed, namely, micelles with the size of 10 nm and vesicles with the size of 100 nm. The second critical concentration at two-fold CAC was suggested to be resulting from the insertion of the imidazolium cations into aggregates.

Graphical abstract: Structural rearrangement in the aqueous solution of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate

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Publication details

The article was received on 16 Mar 2015, accepted on 08 May 2015 and first published on 11 May 2015


Article type: Paper
DOI: 10.1039/C5SM00629E
Author version available: Download Author version (PDF)
Citation: Soft Matter, 2015,11, 4717-4722
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    Structural rearrangement in the aqueous solution of surface active ionic liquid 1-butyl-3-methylimidazolium bis(2-ethylhexyl) sulfosuccinate

    T. Yin, J. Wu, S. Wang and W. Shen, Soft Matter, 2015, 11, 4717
    DOI: 10.1039/C5SM00629E

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