Abstract:A detailed thermal study is presented of the melt polycondensation between the renewable monomers citric acid and d‐glucono‐δ‐lactone. It was found that the polyester networks formed have glass transition temperature ranges that increase with increasing reaction temperature and time, corresponding to an increase in molecular weight. The minimum reaction temperature was investigated and found to be 130 °C for a 1/1 system. Moreover, the monomers show eutectic melt behaviour, with a eutectic melting temperature … Show more
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