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中文摘要：
聚合反应挤出过程的数值模拟有助于实现化学反应控制、材料结构控制与极限加工条件的预测，建立了异向旋转双螺杆挤出机的等效模型、苯乙烯自由基聚合反应动力学模型和化学流变模型，数值分析了单体转化率、单体浓度、引发剂浓度、重均分子量以及材料黏度等物理量在反应挤出过程的演变规律．模拟结果与实验结果符合较好。
英文摘要：
The numerical simulation of reactive extrusion processes for polymerization is helpful towards control of chemical reaction, material structure, and prediction of limiting process conditions. An equivalent reactor model of a counter-rotating twin screw extruder, a kinetic model of free radical polymerization and chemorheological models were constructed. Different variables like monomer conversion, monomer concentration, initiator concentration, weight-average molecular weight and material viscosity were numerically simulated, and the simulated results were in good agreement with the experimental results.
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