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Proceedings Paper

Thermodynamics of nematic liquid crystalline mixtures of similar molecules
Author(s): K. Z. Ogorodnik
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Paper Abstract

Mixtures of the first six members of homologous series 4,4'- di-n-alcoxyazoxybenzenes were investigated by DSC and HSM (heat stage microscopy) methods. A solid crystal (SC) form of the third member (C3) of the series is found which is virtual for the pure substance and is real for mixtures with the homologous. It is shown that a type of admixture Cn changes relative stability of SC forms Kv, K1, K2 of the pure C3. A eutectic manifestation of mixture (K1 + K2) is found. Four SC forms of C3 have an equal enthalpy of transitions to a melt. Melting in the mesophase is accompanied by transformations of crystal structures.

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: 10.1117/12.472175
Show Author Affiliations
K. Z. Ogorodnik, Russian Peoples' Friendship Univ. (Russia)

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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