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2,5-disubstituted 1,3,4-thiadiazole liquid crystals having an extended Smectic C-phase
2,5-disubstituted 1,3,4-thiadiazole liquid crystals having an extended Smectic C-phase
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机译:具有扩展的近晶C相的2,5-二取代的1,3,4-噻二唑液晶
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摘要
2,5-substituted 1,3,4-thiadiazoles of the general formula IMAGE The aforementioned compounds are used in amounts of 0.1 to 80 mole percent in mixtures for electrooptical arrangements for the modulation of transmitted and reflected light, as well as for the colored or black-and-white display of numerals, symbols and moving or still pictures. The compounds endow the liquid-crystalline mixtures with an extended phase field of the smectic C phase, negative dielectric anisotropy and the property of forming optically active C phases upon admixture with optically active compounds.
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