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Swollen cubic phases with reduced hardness solubilizing a model fragrance oil as a co-surfactant

Abstract : Swollen cubic lyotropic ternary phases with Pn3m symmetry and reduced hardness were obtained from a specific binary mixture of cubic phase-forming (phytantriol) and lamellar phase-forming (decaglycerol monooleate) compounds. The microstructures were determined by using a small-angle X-ray scattering technique. The softness and temperature-induced phase transitions were investigated by means of rheology. The incorporation of a surface-active fragrance compound (linalool) at concentrations up to 6%wt induced a structural transition toward a softer Im3m bulk cubic phase with longer water channels. Higher linalool concentrations allowed the spontaneous dispersion of the bulk cubic phase into microscopic particles with a cubic structure (cubosomes).
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https://hal-cea.archives-ouvertes.fr/cea-03857516
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Submitted on : Thursday, November 17, 2022 - 12:11:31 PM
Last modification on : Saturday, November 19, 2022 - 3:39:31 AM

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Vera Tchakalova, Thomas Zemb, Fabienne Testard. Swollen cubic phases with reduced hardness solubilizing a model fragrance oil as a co-surfactant. Journal of Chemical Physics, 2022, ⟨10.1063/5.0124021⟩. ⟨cea-03857516⟩

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