A Statistical Mechanical Model for Microemulsions

  • J. C. Wheeler
  • T. P. Stockfisch
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 21)


A microscopic statistical mechanical lattice model for microemulsions is presented whose energy parameters represent interactions among oil, water and surfactant molecules. Solving the model in the mean-field approximation allows phase diagrams and critical loci to be calculated. Features important in microemulsions are found in the model as well. These include ordinary critical, critical double point, critical endpoint, and tricritical loci, as well as three-phase equilibrium. The homogeneity assumption is checked against the possibility of a stable lamellar phase.


Surfactant Molecule Energy Parameter Critical Locus Tricritical Point Critical Endpoint 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1987

Authors and Affiliations

  • J. C. Wheeler
    • 1
  • T. P. Stockfisch
    • 1
  1. 1.University of CaliforniaSan Diego, La JollaUSA

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