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Abstract
A new ionic liquid crystal bearing a sulphonate group in the mesogenic core, potassium 2‐allyloxy‐5‐cholesteryloxycarbonylbenzenesulphonate, was synthesized. Its chemical structure was determined by various techniques including FTIR and 1H NMR. Its liquid crystalline properties were characterized by DSC, POM and SAXS; it exhibits a smectic C mesophase. In dielectric constant measurements a maximum Δε value of −43.0 D was obtained at 210°C. The morphology of this ionic liquid crystal indicated a slant array of ionic mesogenic units under a static electric field.
Acknowledgements
The authors are grateful to National Natural Science Fundamental Committee of China and HI‐Tech Research and development program (863) of China and National Basic Research Priorities Program (973) of China, Science and Technology Research Major Project of Ministry of Education of China, and Specialized Research Fund for the Doctoral Program of Higher Education, and the Science and Technology Department of Liaoning Province (Fund No. 20032025) for financial support of this work.
