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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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Journal



Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2013, 2, 20—25.





Thermal Analysis of Some Mesogenic Phenylbenzoates, Azo- and Azoxybenzenes with Polar Terminal Substituents



S. A. Kuvshinova1, A. O. Gavrilova1, O. V. Potemkina2, E. S. Syrbu1, V. A. Burmistrov1, O. I. Koifman1

Author affiliations
1Ivanovo State University of Chemistry and Technology
153000, Ivanovo, etc. F. Engels, 7. 
2Ivanovo Institute of the State Fire Service
Stroitelei pr. 33, Ivanovo, 153040 Russia. 
E-mail: gav.anna@list.ru

Abstract
Thermal analysis of seven mesogenic phenylbenzoates, azo- and azoxybenzenes with polar terminal substituents (–OH, –CHO, –CN, etc.) was carried out. It was found that the phase transition temperatures, determined by DTA method, are in satisfactory agreement with the thermo-microscopic data. Thermal stability of the studied substances was estimated.

Keywords: mesogens, active functional groups, simultaneous thermal analysis, thermal stability, polymer modifiers





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