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Section 4. New materials

Mesomorphic properties of 4-(1-methylheptyl-oxycarbonyl)phenyl4′-(3-alkanoyloxyprop-1-oxy)-and 4′-(3-perfluoroalkanoyloxyprop-1-oxy)biphenyl-4-carboxylates

, , , &
Pages 281-292 | Published online: 09 Mar 2011
 

Abstract

Two homologous series: (S) 4-(1-methylheptyloxy-carbonyl)phenyl 4′-(3-alkanoyloxyprop-1-oxy)biphenyl-4-carboxylates and 4′-(3-perfluoro-alkanoyloxyprop-1-oxy)biphenyl-4-carboxylates were synthesized and their smectic phases and phase transitions were investigated using polarizing microscopy, DSC calorimetry and miscibility methods. Mixtures with a broad temperature range of the antiferroelectic smectic CA* phase and phase sequence CA*-A-I or CA*-C*-A-I were formulated.

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