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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., 2010, 1, 94—100.

Influence of Non-Mesomorphic Additives on the Properties of Liquid Crystalline Materials. III. Mixtures of Cyanosubstituted LC with Hydroxyl Derivatives of Benzonitrile

E. V. Bobrickaya1, V. V. Alexandriyskiy1,2, I. V. Novikov1, S. A. Kuvshinova1, V. A. Burmistrov1,2

Author affiliations
1Ivanovo State University of Chemistry and Technology,
153460 Ivanovo, Av. F. Engel’s, 7. 
2Institute of Solution Chemistry, Russian Academy of Sciences
153045 Ivanovo, Akademicheskaya Str., 1. 

The influence of polar aromatic non-mesogenic addidives 4-hydroxy-4'-cyano-biphenile, 4-(6- hydroxyhexyloxy)benzonitrile on the mesomorphic, dielectric and orientational properties of 4-(trans-4'-pentylcyclohexyl)benzonitrile(5PCH) and 4-pentyloxy-4'-cyanobiphenyl (5OCB) was studied. It was shown that addition of polar non-mesomorphic compounds results in dielectric anizotropy rise. More effective arrangement of 4-hydroxy-4'-cyanobiphenile connected with H-complex formation was established.

Keywords: iquid crystals, mixtures, non-mesomorphic additives, dielectric and orientational properties, anisotropy, association, H-bond

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