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Abstract
Solubilities of pleochroic dyes in the liquid crystalline phases ZLI-1565, PCH-5, PCH-7 and CCH-5 are reported. The dyes used were 1,4- and 1,5-disubstituted anthraquinones. We found rather different values for the anthraquinones studied and also noteworthy temperature dependences. The enthalpies of solution were calculated. The influence of the structures of the dyes as well as of the liquid crystalline phases on the solubility and its temperature dependence is discussed.