Liquid crystalline properties and phase situations in 4-chlorobenzylidene-4′-alkylanilines

On the basis of DSC calorimetry and thermo-optic (TOA) measurements the mesomorphic properties of the strongly polar Schiff bases family, 4-chlorobenzylidene-4′-alkylanilines (CBnA), are presented. Two kinds of mesophases were found: smectic A and smectic B. For the first time detailed calorimetric...

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Bibliographic Details
Published inJournal of molecular liquids Vol. 79; no. 1; pp. 77 - 87
Main Authors Galewski, Z, Coles, H.J
Format Journal Article
LanguageEnglish
Published Elsevier B.V 1999
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Summary:On the basis of DSC calorimetry and thermo-optic (TOA) measurements the mesomorphic properties of the strongly polar Schiff bases family, 4-chlorobenzylidene-4′-alkylanilines (CBnA), are presented. Two kinds of mesophases were found: smectic A and smectic B. For the first time detailed calorimetric properties of the investigated family are presented and discussed. Very narrow smectic A phase for the nonyl, decyl, undecyl and dodecyl derivatives was detected. Smectic mesophases in butyl, pentyl and dodecyl derivatives are monotropic. These results are compared with our earlier results [1].
ISSN:0167-7322
1873-3166
DOI:10.1016/S0167-7322(98)00104-4