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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., 2009, 1, 33—42.

Liquid Crystalline and Reological Properties of Lanthanide Containing Multicomponent Lyotropic Systems

N. M. Selivanova1, A. I. Galeeva1, Yu. G. Galyametdinov1,2

Author affiliations
1Kazan State Technology University,
420015 Kazan, K. Marks Str., 68
2E. K. Zavoisky Physical-Technical Institute. Kazan Scientific Center of RAS
420111 Kazan, Siberian trakt Str., 10/7. 

The results of investigation of liquid crystalline multicomponent systems C12H25O(CH2CH2O)10H, C12H25O(CH2CH2O)4H/La(N03)3•6H20/H20/C10H21OH has been presented. Concentrations, temperatures interval of mesophase existence and type of supramolecular organization were established by polarized optical microscopy. Decanol influence on mesogenic properties was established. Based on viscosimetry data analysis of the structure changes in the field of phase transition has been carried out. The conditions of shear deformation for mesophases are defined as non-linear plastic matter and are sufficiently described by Cаsson and Hershel – Bulkley models.

Keywords: lyotropic liquid crystals, lanthanide, rheology

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