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Synthesis and properties of two new liquid crystals: an analytical and thermodynamic study

Judeinstein, P. ; Berdagué, P. ; Bayle, J.P. ; Rogalska, Ewa ; Rogalski, Marek ; Petit-Jean, D. ; Guermouche, M.H.

Journal of Chromatography A, 1999-10, Vol.859 (1), p.59-67 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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Título:
Synthesis and properties of two new liquid crystals: an analytical and thermodynamic study
Autor: Judeinstein, P. ; Berdagué, P. ; Bayle, J.P. ; Rogalska, Ewa ; Rogalski, Marek ; Petit-Jean, D. ; Guermouche, M.H.
Assuntos: Analytical chemistry ; Azo Compounds - chemical synthesis ; Azo Compounds - chemistry ; Calorimetry, Differential Scanning ; Chemistry ; Chromatographic methods and physical methods associated with chromatography ; Chromatography, Gas ; Crystallization ; Exact sciences and technology ; Gas chromatographic methods ; Liquid crystals ; Piperidines - chemical synthesis ; Piperidines - chemistry ; Stationary phases, GC ; Thermodynamic parameters ; Thermodynamics
É parte de: Journal of Chromatography A, 1999-10, Vol.859 (1), p.59-67
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Synthesis, analytical performances, thermodynamic and surface properties of two new liquid crystals substituted with poly(ethylene oxide) chains are described. The first of them is N,N′-diphenyl-[4-{2,3,4-tri[2-(2-metoxyethoxy)ethoxy]benzylidene}imine]piperidine ( LC 1 ) and the second is 2-hydroxy-3-methyl-4-{4-[2-(2-butoxyethoxy)ethoxy]} 4′-{4-[2-(2-butoxyethoxy)ethoxy]styryl}azobenzene ( LC 2 ). The nematic ranges of the two liquid crystals, determined by differential scanning calorimetry do not interfere. The analytical and thermodynamic studies of LC 1 and LC 2 in the solid, nematic and liquid state were done using a series of appropriate solutes. Comparison of the analytical performances shows a better efficiency in the nematic state.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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Synthesis and properties of two new liquid crystals: an analytical and thermodynamic study

Judeinstein, P. ; Berdagué, P. ; Bayle, J.P. ; Rogalska, Ewa ; Rogalski, Marek ; Petit-Jean, D. ; Guermouche, M.H.

Amsterdam: Elsevier B.V

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