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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 (1), 83—89.
DOI: 10.18083/LCApp.2016.1.83

Influence of Propylene Glycol on the Formation of Self-Organizing Structures in Water / Lecithine / Vaseline Oil Systems

N. V. Sautina, Yu. G. Galyametdinov

Author affiliations
Kazan National Research Technological University,
68 Karl Marx St., Kazan, 420015, Russia. 

Nontoxic biocompatible self-organizing systems, such as the lyotropic liquid crystals and microemulsions, based on lecithin, propylene glycol, vaseline oil and water with various mass ratios of surfactant:alcohol have been obtained. The pseudoternary phase diagrams were constructed; concentration limits of the existing phases were identified. The influence of ratio lecithin:propylene glycol on the formation of the lyotropic liquid crystals phases and temperatures of phase transitions were demonstrated. The dependence of the average droplet size of the microemulsion on addition of propylene glycol was study. It is shown that the addition of alcohol increases microemulsion region and decreases the region of liquid crystal phase.

Keywords: lyotropic liquid crystals, microemulsions, lecithin, pseudoternary phase diagram, phase transition

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