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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., 2017, 17 (3), 63—69.
DOI: 10.18083/LCAppl.2017.3.63

Tribological Properties of p-n-Alkyloxybenzoic Acid Derivatives and Their Systems

V. V. Novikov1, S. A. Syrbu1,2, S. А. Кuvshinova3, K. S. Burchenkov1, R. Yu. Lisitsуn2

Author affiliations
1Ivanovo State University,
39 Ermak St., Ivanovo, 153025, Russia
2Ivanovo Fire and Rescue Academy,
33 Stroiteley Ave., Ivanovo, 153040, Russia
3Ivanovo State University of Chemistry and Technology, Research Institute of Macroheterocyclic Compounds,
7 Sheremetevsky Ave., Ivanovo, 153000, Russia

The lubricity of 4-acryloyloxyphenyl ester of 4'-n-octyloxybenzoic acid and the system composed of p-n-propyloxybenzoic acid and p-n-propyloxy-p'-cyanobiphenyl in the conditions of boundary friction was investigated. The studies were carried out both for pure substances and their solutions in the liquid paraffin base. It was established that the studied additives possess good tribological properties. The tribological activity is defined by chemical structure and concentration of the additive in solution. The presence of the triboactive additives in lubricant stabilizes tribological properties of the lubricant on heating.

Keywords: liquid crystals, mesomorphic properties, friction coefficient, tribometry, hydrogen bond

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