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Proceedings Paper

Binary mixtures of thiobenzoates liquid crystals
Author(s): M. D. Ossowska-Chrusciel; A. Rudzki; S. Zalewski
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Paper 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 Tcl was observed.

Paper Details

Date Published: 27 June 2002
PDF: 5 pages
Proc. SPIE 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications, (27 June 2002); doi: 10.1117/12.472171
Show Author Affiliations
M. D. Ossowska-Chrusciel, Univ. of Podlasie (Poland)
A. Rudzki, Univ. of Podlasie (Poland)
S. Zalewski, Univ. of Podlasie (Poland)

Published in SPIE Proceedings Vol. 4759:
XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications
Jolanta Rutkowska; Stanislaw J. Klosowicz; Jerzy Zielinski, Editor(s)

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