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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2016, 16 (2), 62—69. DOI: 10.18083/LCAppl.2016.2.62
Phase Transitions and Supramolecular Organization in the Water / Ethoxylated Izononilfenol : Polyglyceryl-3 Methylglucose Distearate / Vaseline Oil System
N. V. Sautina, Yu. G. Galyametdinov
Author affiliations Kazan National Research Technological University,
68 K. Marksa St., Kazan, 420015, Russia, Tatarstan
Abstract Colloid-chemical properties, such as interfacial tension, adsorption, the area occupied by a molecule, adhesion and interfacial activity of a new biodegradable Peg-free emulsifier – polyglyceryl-3 methylglucose distearate and nonionic surfactant – ethoxylated izononilfenol at the water / vaseline oil interfaces were investigated. By varying a hydrophilic-lipophilic balance of emulsifiers an optimal ratio of microemulsion systems was found. The phase diagram of Water / Ethoxylated Izononilfenol : Polyglyceryl-3 Methylglucose Distearate / Vaseline Oil was constructed and the fields of various supramolecular structures were characterized. The sizes of the microemulsion droplets and the structure of the liquid crystal phase were identified.