Abstract
The main aim of this research was to study the electrochemical behavior of novel optically active poly(amide-imide)s (PAIs). Polycondensation reactions of a 3,5-diamino-N-(4-hydroxyphenyl)benzamide with different synthetic diacid chlorides derivatives based on natural amino acids resulted in preparation of five different aromatic–aliphatic PAIs. These polymers were characterized by Fourier transform infrared, proton nuclear magnetic resonance, and elemental analyses. Also, we used electrochemical impedance spectroscopy for the evaluation of these novel optically active PAIs for the first time. Presence of p-substituted phenol groups in the structure of these polymers has been used for electrochemical investigation. Results showed that the oxidation currents in five diverse polymers were affected by their structures. In addition, the influence of carbon nanotubes on the oxidation of phenolic groups was studied using carbon paste matrix in an aqueous buffer solution (pH 7.0).
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Acknowledgement
We wish to express our gratitude to the Research Affairs Division of Isfahan University of Technology (IUT), Isfahan for partial financial support. Further financial support from the National Elite Foundation (NEF), the Center of Excellency in Sensors and Green Chemistry Research (IUT), and the Iran Nanotechnology Initiative Council (INIC) is also gratefully acknowledged.
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Mallakpour, S., Hatami, M., Ensafi, A.A. et al. An electrochemical investigation of novel optically active poly(amide-imide)s based on natural amino acids using multi-wall carbon nanotubes paste electrode. J Solid State Electrochem 15, 2053–2061 (2011). https://doi.org/10.1007/s10008-010-1231-5
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DOI: https://doi.org/10.1007/s10008-010-1231-5