Mesomorphic Properties of Dialkyl and Alkyl Alkoxy Phenyl trans-Cyclohexylmethyl Ethers

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Abstract
The mesomorphic properties of 4-n-alkyl and 4-n-alkoxy phenyl trans-4-n-alkyl cyclohexylmethyl ethers are briefly described. They show nematic and smectic phases. Their clearing points are lower than the corresponding phenyl cyclohexanoates but higher than the cyclohexyl cyclohexylmethyl ethers. Their tendency to form smectic phases as well as the thermo-dynamical stability of their mesophases are intermediate between those of the phenyl cyclohexanoates and the cyclohexyl cyclohexylmethyl ethers.