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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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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2013, 2, 13—19. |
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Mesomorphic and Anizotropic Properties of Liquid Crystal Composite Material LC-654, Modified by p-Nitroanilin
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I. V. Novikov1, G. V. Kuvshinov1, O. V. Potemkina2, S. A. Kuvshinova1,
V. A. Burmistrov1
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Author affiliations
1Ivanovo State University of Chemistry and Technology,
Institute of Macroheterocycles.
153000 Ivanovo, Av. F. Engels, 7.
E-mail: sofya.kuv@yandex.ru
2Ivanovo Institute of the State Fire Service
Stroitelei pr. 33, Ivanovo, 153040 Russia
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Abstract
Modification of the liquid crystal composite material LC-654 by small additions of polar p-nitroaniline was carried out. Temperatures of the nematic – isotropic liquid phase transition of mixtures with various content of non-mesogen were determined. Temperature dependences of dielectric constant, refractive index, dielectric and optical anisotropy of the studied samples were obtained. The influence of p-nitroaniline on physical properties of LCD-654 is discussed.
Keywords: liquid crystal mixtures, mesomorphic properties, dielectric anisotropy, refraction index, optical anisotropy
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