alexa Thermotropic liquid crystalline properties of 1,2Ψ,ω-n-alkan-tetraols
Chemical Engineering

Chemical Engineering

Journal of Chromatography & Separation Techniques

Author(s): Frank Hentrich, Siegmar Diele, Carsten Tschierske

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A homologous series of biamphiphilic 1,2Ψω-alkan-tetraols has been synthesized. They form lamellar thermotropic liquid crystalline phases which have been studied by polarizing optical microscopy, as well as by X-ray investigations. Those compounds with a rather long polymethylene chain between the two diol groups exhibit a lamellar α phase and an additional low temperature mesophase, Whereas short chain derivatives exhibit only the low temperature mesophase. From X-ray measurements, we conclude that this low temperature mesophase is a highly ordered phase in which the chains are rigid and tilted with respect to the hydrogen bonding networks.

This article was published in Liquid Crystals and referenced in Journal of Chromatography & Separation Techniques

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