Thermal kinetics analysis of polymerization reaction of styrene-ethylbenzene system |
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| Institution: | 1. Department of Safety Engineering, School of Chemical Engineering, Nanjing University of Science & Technology, No.200, Xiaolingwei Road, Xuanwu District, Nanjing, 210094, China;2. Solvay (China) Co., Ltd., Shanghai, 201108, China;1. Department of Fire Safety Engineering, School of Engineering, Jeonju University, Republic of Korea;2. Korea Fire Institute, Youngin, Gyeonggi-do, Republic of Korea;3. Hoseo University, Asan, Chungcheongnam-do, Republic of Korea;4. National Research Institute of Fire and Disaster, Chofu, Tokyo, Japan |
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| 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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| Keywords: | Styrene Ethylbenzene Thermodynamics Hazard |
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