Abstract
This research is aimed at characterizing the thermal, mechanical, and morphological properties of carbon nanotubes (CNTs) reinforced poly(amide-imide) (PAI) composites having thiazol and amino acid groups which were prepared by sonication-assisted solution compounding. To increase the compatibility between the PAI matrix and CNTs, carboxyl-functionalized multiwall CNTs (MWCNTs-COOH) were used in this study. The MWCNTs were dispersed homogeneously in the PAI matrix while the structure of the polymer and the MWCNTs structure are stable in the preparation process as revealed by transmission electron microscopy. MWCNT/PAI composite films have been prepared by casting a solution of precursor polymer containing MWCNTs into a thin film, and its tensile properties were examined. The thermal stability, Young’s modulus, and tensile strength of PAI were greatly improved by the incorporation of MWCNTs and their good dispersion. Composites were also characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and thermal gravimetric analysis.
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Acknowledgments
The study is financially supported by Research Affairs Division Isfahan University of Technology (IUT). Further, financial support from National Elite Foundation and Center of Excellency in Sensors and Green Chemistry Research (IUT) is gratefully acknowledged.
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Mallakpour, S., Zadehnazari, A. Synthesize procedures, mechanical and thermal properties of thiazole bearing poly(amid-imide) composite thin films containing multiwalled carbon nanotubes. Colloid Polym Sci 291, 1525–1534 (2013). https://doi.org/10.1007/s00396-012-2873-x
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DOI: https://doi.org/10.1007/s00396-012-2873-x