In this investigation we report on the synthesis and characterisation of certain polyester elastomers namely as Poly(Sorbitol succinate-co-ethylene glycol succinate) (PSSEG), Poly(sorbitol succinate-co-butane dio...In this investigation we report on the synthesis and characterisation of certain polyester elastomers namely as Poly(Sorbitol succinate-co-ethylene glycol succinate) (PSSEG), Poly(sorbitol succinate-co-butane diol succinate) (PSSBD) and Poly(sorbitol succinate-co-hexane diol succinate) (PSSHD) by carrying out catalyst free melt polycondensation.. The synthesised polyesters were characterised by solubility, FT-IR, -H NMR and 13C NMR spectral methods. The thermal properties were analysed by differential scanning calorimetry and thermogravimetric analysis. The mechanical properties evaluated for the polyester films in the tensile mode shows that the polymer has characteristics of elastomers and stiff thermosets. We demonstrate that the chemical structure, physical integrity and mechanical property of synthesized copolyester can be controlled by simply changing the monomers and suit them for the requirements of various biomedical and soft tissue engineering applications.展开更多
文摘In this investigation we report on the synthesis and characterisation of certain polyester elastomers namely as Poly(Sorbitol succinate-co-ethylene glycol succinate) (PSSEG), Poly(sorbitol succinate-co-butane diol succinate) (PSSBD) and Poly(sorbitol succinate-co-hexane diol succinate) (PSSHD) by carrying out catalyst free melt polycondensation.. The synthesised polyesters were characterised by solubility, FT-IR, -H NMR and 13C NMR spectral methods. The thermal properties were analysed by differential scanning calorimetry and thermogravimetric analysis. The mechanical properties evaluated for the polyester films in the tensile mode shows that the polymer has characteristics of elastomers and stiff thermosets. We demonstrate that the chemical structure, physical integrity and mechanical property of synthesized copolyester can be controlled by simply changing the monomers and suit them for the requirements of various biomedical and soft tissue engineering applications.