Testing Different Microemulsion Model Predictions for the Structure Scaling in the Bicontinuous Regime
The aim of this proposal is testing different theoretical predictions for the structural evolution of bicontinuous microemulsions as a function of the spontaneous curvature of the amphiphilic film. In our experiments we will employ a single-chain (C12E5) and a double-chain (AOT) surfactant for obtaining generally valid results for different types of amphiphilic interfaces. The spontaneous curvature will be varied by changing the temperature and the overall structural constraints by changing the relative oil volume fraction from 25 to 75%. These experiments shall yield a generalized picture of the thermodynamic principles that govern the structure of bicontinuous microemulsions. This will be essential for being able to decide about which structural model is best able to describe this phase region of microemulsions and thereby to develop further our understanding of the principles that govern microemulsion structure and properties.
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GRADZIELSKI Michael; Paula Malo de Molina; PREVOST Sylvain; SCHMIDT Robert Franz; SIMON Miriam and ZEMB Thomas. (2021). Testing Different Microemulsion Model Predictions for the Structure Scaling in the Bicontinuous Regime. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1704
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