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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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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

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.

Keywords: lyotropic liquid crystals, microemulsions, polyglyceryl-3 methylglucose distearate, pseudo-ternary phase diagram, phase transition

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