Synthesis and degradation kinetics of a novel polyester containing bithiazole rings

► A novel Schiff base type polyester was synthesized and characterized by FTIR spectroscopy, elemental analysis, and X-ray diffraction spectroscopy. ► Thermal degradation of the polyester in nitrogen has been studied at several heating rates by thermogravimetric analysis. ► The activation energies were calculated by different methods. And the possible conversation function was estimated. ► The life time estimates for the polyester can be determined and the results demonstrate that the polymer possesses good thermal resistance.