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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2014, 14 (3), 53—61.
Mesomorphic and Volume Properties of the p-n-Propyloxycinnamic Acid – p-n-Propyloxy-п'-Cyanobiphenyl System
S. A. Syrbu1, O. Yu. Ditsyna1, N. А. Shantin1, М. R. Kiselev2, S. А. Kuvshinova3
Author affiliations 1Inorganic and Analytical Chemistry Department, Ivanovo State University,
Ermac str., 39, 153025 Ivanovo, Russia. E-mail: email@example.com 2Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences,
Leninsky Ave, 31, 119991 Moscow, Russia 3Chemistry and Technology of High-molecular Compounds Department,
Ivanovo State University of Chemistry and Technology, Sheremetievsky Ave, 7, 153000 Ivanovo, Russia
Abstract The p-n-propyloxycinnamic acid – p-n-propyloxy-p'-cyanobiphenyl system is researched by polarizing thermomicroscopy and differential scanning calorimetry. Two subphases are found in the region of nematic phase existence. The system?s volume properties are investigated by the polythermal dilatometry method. Analysis of temperature and concentration dependencies of volume properties was carried out. It is established that chained associates between p-n-propyloxycinnamic acid and p-n-propyloxy-p'-cyanobiphenyl form through hydrogen bonding.