Abstract
In this study, a series of pyridine‐ring based poly(azomethine‐urethane)s were synthesized to investigate the effect of electron‐donating group on some physical properties such as thermal stability, optical, and electrochemical properties. For this reason, firstly the Schiff bases were synthesized using amino‐methyl pyridines (2‐amino‐3‐methyl pyridine, 2‐amino‐4‐methyl pyridine, and 2‐amino‐6‐methyl pyridine) with 2,4‐dihydroxy benzaldehyde by the condensation reaction. Then, these Schiff bases were converted to poly(azomethine‐urethane) derivatives via step‐polymerization reaction. Secondly, structural characterizations were carried out by FTIR, NMR, and UV–Vis. Cyclic voltammetry was used to determine the electrochemical oxidation‐reduction characteristics. Optical properties were investigated by UV–vis and fluorescence analyses. Thermal properties were clarified by TG‐DTA and DSC techniques. The molecular weight distributions of polymer were determined by size exclusion chromatography. POLYM. ENG. SCI., 54:1664–1674, 2014. © 2013 Society of Plastics Engineers
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