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A. Iwan

Thermothropic azomethines and polyazomethines showing liquid crystalline properties

Polimery 2010, No 4, 253


DOI: dx.doi.org/10.14314/polimery.2010.253


Summary

The paper is a literature review of 2000-2008 (Fig. 2) concerning liquid crystalline properties of thermothropic azomethines and polyazomethines. The physical fundamentals of liquid crystals formation and the types of phases formed (Fig. 1) are discussed. The criteria of such compounds' systematic are given. Symmetric azomethines and asymmetric ones, of rod-like or banana-shaped types were characterized. The effects of a number of azomethine bonds and their positions in the chain on the type of mesophases formed and liquid crystalline properties of azomethines and polyazomethines have been described.


Key words: azomethines, polyazomethines, thermothropic liquid crystals, mesomorphism, properties


e-mail: agnieszka.iwan@cmpw-pan.edu.pl


A. Iwan

Thermothropic azomethines and polyazomethines showing liquid crystalline properties