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Liquid Crystals

Mesomorphous Properties of Azo- and Azoxyarylethanes as Potential Stationary Phases in Gas Chromatography

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Pages 107-123 | Received 21 Dec 1982, Accepted 29 Dec 1983, Published online: 20 Apr 2011
 

Abstract

Two series of compounds have been synthesized: 1,2-bis(4′-butoxybenzeneazobenzene-4)ethanes and 1,2-bis(4′-butoxybenzeneazoxybenzene-4)ethanes. The effects of lateral substituents (CH3, Cl, CN) on temperature are tested as well as the molar enthalpies and entropies of their phase transitions determined. The application of those compounds as liquid-crystalline stationary phases in gas chromatography is suggested.

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