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https://open.uns.ac.rs/handle/123456789/11667
Title: | Mesophase behaviour of binary mixtures of bell-shaped and calamitic compounds | Authors: | Obadović D. Vajda A. Jákli A. Menyhárd A. Kohout M. Svoboda J. Stojanović M. Éber N. Galli G. Fodor-Csorba K. |
Issue Date: | 1-May-2010 | Journal: | Liquid Crystals | Abstract: | A new bell-shaped compound, (dec-9-en-1-yl) 3,5-bis{[4'-(n-nonyloxy)biphenyl-4-carbonyl]oxy}benzoate (I), with symmetrical substitution in positions 3 and 5 of the central ring, was prepared. Although this material was not mesogenic, it exhibited low melting and freezing points and was therefore suitable as a component for mixing studies. These were carried out on a binary system composed of I and the rod-like 4-(n-octyloxy)phenyl 4-(n-hexyloxy)benzoate (II), which exhibits enantiotropic nematic, as well as monotropic SmC and SmX phases. Selected mixtures were studied by polarising optical microscopy, differential scanning calorimetry and X-ray diffraction on non-oriented samples. It was found that the binary mixtures exhibit mesomorphic properties close to room temperature. © 2010 Taylor & Francis. | URI: | https://open.uns.ac.rs/handle/123456789/11667 | ISSN: | 02678292 | DOI: | 10.1080/02678291003692672 |
Appears in Collections: | Naučne i umetničke publikacije |
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