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Effect of Oil/Water Ratios on the Phase Behavior and the Solubilization Ability of Microemulsion Systems Containing Sodium Dodecyl Sulfate

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Abstract

An α–ε–β fish-like phase diagram of three phase microemulsions was proposed and used to investigate the phase behavior of the microemulsion systems sodium dodecyl sulfate (SDS)/alcohol/oil/water at various oil/water ratios. Related physicochemical properties of the microemulsion systems were calculated. As the oil/water mass ratio increases, the solubility (ε B) of the alcohol increases, while both the mass fraction of alcohol in the interfacial layer (A S) and the solubilization ability (SP ∗) decrease. The effect of oils on the properties of the microemulsion systems was investigated.

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Acknowledgement

The authors wish to thank the Natural Science Foundation of Shandong Province of China (Grant ZR2009BM036) for financial support.

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Authors and Affiliations

  1. College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China

    Jin-Ling Chai, Yu-Tong Wu, Xun-Qiang Li, Bao Yang & Jian-Jun Lu

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  1. Jin-Ling Chai
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  2. Yu-Tong Wu
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  3. Xun-Qiang Li
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  4. Bao Yang
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Correspondence to Jin-Ling Chai.

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Chai, JL., Wu, YT., Li, XQ. et al. Effect of Oil/Water Ratios on the Phase Behavior and the Solubilization Ability of Microemulsion Systems Containing Sodium Dodecyl Sulfate. J Solution Chem 40, 1889–1898 (2011). https://doi.org/10.1007/s10953-011-9764-5

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  • DOI: https://doi.org/10.1007/s10953-011-9764-5

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