Modeling impact of catalyst loading on polyurethane foam polymerization
Modeling impact of catalyst loading on polyurethane foam polymerization
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DOI：
10.1016/j.apcata.2013.09.055
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发表时间：
2014-01
影响因子：
5.5
通讯作者：
Yusheng Zhao;Fu Zhong;A. Tekeei;G. Suppes
中科院分区：
文献类型：
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作者：
Yusheng Zhao;Fu Zhong;A. Tekeei;G. Suppes
建立了一种基于多个微分方程组联立求解的数学模型，该模型考虑了催化剂装载量对氨酯盒发泡过程中反应和物理过程的影响。在不同催化剂负载量下进行了实验，以拟合该热固性聚合的模型参数。聚氨酯发泡反应的速率常数由多元醇类型、催化剂类型和反应温度决定。通过综合考虑这些因素，该模型可以计算整个发泡过程中的聚氨酯反应速率，并可用于预测配方中含有异氰酸酯、多元醇、催化剂、化学发泡剂和物理发泡剂的多种组合的泡沫塑料在纯成分(如单一多元醇)性能参数为行为时的性能。
A MATLAB model based on the simultaneous solution of several differential equations was developed to include the impact of catalyst loading for the reactions and physical processes of a urethane box foaming process. Experiments with different amounts of catalyst loading were conducted to fit the model parameters for this thermoset polymerization. Rate constants for the polyurethane foaming reaction were determined by polyol types, catalyst types and reaction temperatures. By combining these factors polyurethane reaction rates during whole foaming process can be calculated in this model and the model can be used to predict the performance of foams which have multiple combinations of isocyanate, polyols, catalysts, chemical blowing agents, and physical blowing agents in recipes when parameters on pure component (e.g. single polyol) performance are behavior.