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Thermal and kinetic analyses of 2,5-bis(2-hydroxyphenyl)thiazolo[5,4-d]thiazole

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Abstract

Thermal behavior and UV–Vis absorption properties of 2,5-bis(2-hydroxyphenyl)thiazolo[5,4-d]thiazole were investigated in the present study. It was found that decomposition occurs in two stages which correspond to removal of both phenolic rings and degradation of remaining core structure, respectively. After the characterization of decomposition stages, apparent activation energy values of each stage were calculated using model-free isoconversional methods (FWO and KAS). Apparent activation energies of decomposition stages are determined by both methods. Their averages are calculated as 98.232 and 123.253 kJ mol−1 in consecutive order. UV–Vis absorption properties of this compound have been determined with using different solvents.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Pamukkale University, Denizli, Turkey

    Sevil Söyleyici

  2. Materials Science and Engineering Department, Faculty of Technology, Pamukkale University, Denizli, Turkey

    Gülbanu Koyundereli Çılgı

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  1. Sevil Söyleyici
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  2. Gülbanu Koyundereli Çılgı
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Correspondence to Gülbanu Koyundereli Çılgı.

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Söyleyici, S., Çılgı, G.K. Thermal and kinetic analyses of 2,5-bis(2-hydroxyphenyl)thiazolo[5,4-d]thiazole. J Therm Anal Calorim 118, 705–709 (2014). https://doi.org/10.1007/s10973-014-3796-1

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  • DOI: https://doi.org/10.1007/s10973-014-3796-1

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