Binary mixtures of thiobenzoates liquid crystals

M. D. Ossowska-Chrusciel; A. Rudzki; S. Zalewski

doi:10.1117/12.472171

27 June 2002 Binary mixtures of thiobenzoates liquid crystals

M. D. Ossowska-Chrusciel, A. Rudzki, S. Zalewski

Proceedings Volume 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications; (2002) https://doi.org/10.1117/12.472171
Event: XIV Conference on Liquid Crystals, Chemistry, Physics, and Applications, 2001, Zakopane, Poland

Abstract

Results of the polymorphism investigation of liquid crystalline mixtures made of compounds belonging to the thioestrs homologous series: nOS5 and nOSCl and alkoxybenzoic acid (nOB) are presented. The principal component of the mixtures was 4-n-pentylphenyl-4'-n- heptyloxythiobenzoate (7OS5) and the following mixture: 7OS5/8OSCl and 7OS5/6OB were prepared. Also the mesomorphic properties of p-n-alkoxybenzoic acid with alkyl chains of length n equals 4 to 16 have been studies. The transition temperatures of all compounds and the binary mixtures were determined by means of DSC calorimetry and polarizing microscopy methods. Unidentified smectic phase for 8OB and 10OB were observed during heating and cooling processes. For all concentrations of binary mixtures linear dependence of T_cl was observed.

Citation Download Citation

M. D. Ossowska-Chrusciel, A. Rudzki, and S. Zalewski "Binary mixtures of thiobenzoates liquid crystals", Proc. SPIE 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications, (27 June 2002); https://doi.org/10.1117/12.472171

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