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Liquid Crystals

Liquid Crystalline Azamacrocyclic Derivatives

Pages 299-311 | Received 17 Jul 1989, Published online: 16 May 2018
 

Abstract

In this paper three examples of new liquid crystalline compounds with azamacrocyclic cores are described. Apart from a substituted hexacyclene with twelve alkoxy sidechains, two triazacrownether derivatives are presented. Their discotic molecular shape causes mesomorphic behaviour, which is characterized by means of DSC-measurements and polarizing microscopy. Water absorption from air can slightly modify the transition temperatures. The triazamacrocyclic derivatives exhibit a strongly hindered recrystallization; their glass transition temperatures are above room temperature.

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