Abstract
Three diamine monomers with different derivatives of imidazole heterocyclic ring, aryl ethers and electron withdrawing trifluoromethyl groups in the backbone were synthesized and used in polycodensation reaction with various aliphatic and aromatic dicarboxylic acids for preparation of a series of novel polyamides (PAs). The PAs were obtained in high yields and possessed inherent viscosities in the range of 0.26-0.75 dL/g. All of the polymers were amorphous in nature, showed outstanding solubility and could be easily dissolved in amide-type polar aprotic solvents. They showed good thermal stability with glass transition temperatures between 162-302 °C. Thermogravimetric analysis showed that all polymers were stable, with 10% weight loss recorded above 421 °C in N2 atmospheres. All the PAs presented fluorescence upon irradiation with ultraviolet light and thus showed promise for applications in electroluminescent devices. The monomers and PAs were also screened for antibacterial activity against Gram positive and Gram negative bacteria.
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This work was partially financially supported by the Research Affairs Division of University of Kurdistan (UOK), Sanandaj (Iran).
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Amininasab, S.M., Rashidi, A., Taghavi, M. et al. Preparation and characterization of novel thermostable polyamides bearing different photoactive pendent architectures with antibacterial properties. Chin J Polym Sci 34, 766–776 (2016). https://doi.org/10.1007/s10118-016-1798-0
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DOI: https://doi.org/10.1007/s10118-016-1798-0