1994 Volume 23 Issue 1 Pages 17-20
A chirally ionic liquid crystal (ICLC) was prepared by the complexation of L(+)-tartaric acid and an achiral mesogenic group (NLC) with an amine unit, and its liquid crystalline behavior was examined by DSC, polarizing microscopy, and X-ray techniques. Ionic ICLC formed smectic A and chiral smectic C* phases. Due to an ionic aggregation, ionic ICLC exhibited a higher mesomorphic-isotropic phase transition temperature when compared to nonionic NLC.
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