Diyala Journal For Pure Science
Scientific Refereed Journal Published By College of Science - University of Diyala
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Diyala Journal For Pure Sciences DJPS
ISRA Impact Factor:3.715
P- ISSN:2222-8373, E-ISSN:2518-9255
Volume 14, Issue 3 , July . 2018
Synthesis, Characterization and Studying Liquid Crystalline Properties of Some Azo - Schiff base Compounds Derivatives
Noor Sabah Al-Obaidi
Year: 2018, Volume: 14, Issue: 3
Pages: 48 - 58, DOI: http://dx.doi.org/10.24237/djps.1403.416A
Four azo-Schiff base liquid crystalline compounds with different polar groups named (A1S, A2S, A3S, A4S) have been synthesized and their structures were characterized by using (FTIR) spectrometry technique the peaks in the infrared spectrum matched the literature in diagnosing the functional groups while their liquid crystalline phase transition and temperature range was confirmed by differential scanning calometery (DSC) which indicate the presence of liquid crystalline phases, The textures of the synthesized liquid crystalline compounds were performed using polarized optical microscope which show a nematic phases in the (A1S) and (A3S) compounds .
Key word: Azo, Schiff base, Liquid crystal