The binary solid-liquid equilibrium of Dimethyl Terephthalate (DMT), Dimethyl lsophthalate (DMI) and Dimeth- yl Phthalate (DMP) was investigated by experiment and differential scanning calorimetry (DSC). The r...The binary solid-liquid equilibrium of Dimethyl Terephthalate (DMT), Dimethyl lsophthalate (DMI) and Dimeth- yl Phthalate (DMP) was investigated by experiment and differential scanning calorimetry (DSC). The result demonstrated DMT/DMI and DMT/DMP systems are eutectic while DMI/DMP is a solid-solution system. The eutectic temperature of DMT/DMI system is 336.7 K and that of DMT/DMP is 271.1 K. Furthermore, a classical solid-liquid phase equilibrium model was used to fit the experimental data of the eutectic systems of DMT/DMI and DMT/ DMP and the theoretical model could describe the eutectic solid-liquid phase diagrams properly.展开更多
文摘The binary solid-liquid equilibrium of Dimethyl Terephthalate (DMT), Dimethyl lsophthalate (DMI) and Dimeth- yl Phthalate (DMP) was investigated by experiment and differential scanning calorimetry (DSC). The result demonstrated DMT/DMI and DMT/DMP systems are eutectic while DMI/DMP is a solid-solution system. The eutectic temperature of DMT/DMI system is 336.7 K and that of DMT/DMP is 271.1 K. Furthermore, a classical solid-liquid phase equilibrium model was used to fit the experimental data of the eutectic systems of DMT/DMI and DMT/ DMP and the theoretical model could describe the eutectic solid-liquid phase diagrams properly.