Abstract
To explore the reaction thermodynamics of a styrene-ethylbenzene mixed system, a differential scanning calorimetry (DSC) analysis was performed on the mixed system with styrene: ethylbenzene mass ratios of 1:0, 4:1, 3:2, and 2:3 at heating rates of 2.5, 5, 7.5, and 10 K/min. The activation energy of the mixed reaction system was calculated using the model-free Kissinger kinetic method, to determine a mixed system of relative stability mixing proportion. The thermodynamic parameters of the styrene-ethylbenzene mixture system at the optimal ratio were obtained using an adiabatic accelerating calorimeter. Further, dynamic thermal parameters such as the activation energy of the hybrid system, pre-exponential factor and order of reaction, TMR, TMRad, and TD24 were calculated.
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