Mathevet Fabrice, Masson Patrick, Nicoud Jean-François, Skoulios Antoine
Groupe des Matériaux Organiques, Institut de Physique et Chimie des Matériaux, 23 rue du Loess, 67037 Strasbourg Cedex, France.
Chemistry. 2002 May 17;8(10):2248-54. doi: 10.1002/1521-3765(20020517)8:10<2248::AID-CHEM2248>3.0.CO;2-B.
A homologous series of guanidinium alkylbenzenesulfonates from ethyl to tetradecyl were synthesized and characterised. Their thermotropic polymorphism was investigated by polarizing optical microscopy, differential scanning calorimetry, and dilatometry. The structure of the smectic liquid crystal phases obtained at high temperature with the compounds from octyl to tetradecyl was analysed by X-ray diffraction. The supramolecular assembling of the ionic species inside the smectic layers was investigated by infrared spectroscopy.
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