Abstract
The structure of a nonionic O/W cream and its separate components were investigated by X-ray diffraction and microscopic methods. The results presented in this paper are combined with the results obtained with DSC in order to elucidate these structures. The very important role of water with respect to the formation of the colloidal structures is discussed. The influence of water on the polymorphic behaviour of cetylstearylalcohol is attributed to a good structural fit of itsα-modification and water. Hydration induces a tilt of the alkyl chains of poly(oxyethylene)20glycerylmonostearate (PGM20). For this surfactant an antiparallel arrangement of the molecules is proposed. The lamellar structures present in mixtures of cetylstearylalcohol, PGM20 and water are discussed extensively.
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de Vringer, T., Joosten, J.G.H. & Junginger, H.E. A study of the gel structure in a nonionic O/W cream by X-ray diffraction and microscopic methods. Colloid & Polymer Sci 265, 167–179 (1987). https://doi.org/10.1007/BF01412761
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DOI: https://doi.org/10.1007/BF01412761