1999•Liquid CrystalsRequires access

Smectic liquid crystalline character of n-alkylammonium pyroglutamates

Dimitris Tsiourvas, Constantinos M. Paleos, A. Skoulios

Abstract

A series of n-alkylammonium and n-dialkylammonium pyroglutamates were synthesized and characterized. Their thermotropic liquid crystal behaviour was investigated using differential scanning calorimetry and optical microscopy. The structures of their crystal and smectic A phases were studied by X-ray diffraction.

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Key concepts: Thermotropic crystal, Liquid crystal, Differential scanning calorimetry, Materials science, Optical microscope, Crystallography, Diffraction, Character (mathematics)