该酯交换反应遵循二级反应动力学。
The transesterification obeys a second order reaction kinetics.
动力学分析表明：酯交换反应在转化率为95%之前，符合二级反应动力学模型。
The analysis of transesterification kinetics shows that the transesterification obeys a second-order reaction kinetics model when the transform ratio is under 95%.
借助宏指令发现聚氨酯聚合反应在一定反应程度范围内服从二级反应动力学，催化剂的性质影响二级反应动力学的适用范围。
The reaction order of polyurethane bulk polymerization was found to be 2 below a specific reaction extent which is depended on the nature of the catalyst.
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