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首页> 外文期刊>Macromolecular theory and simulations >Kinetic modeling of semi-interpenetrating polymer network (SIPN) process - A comprehensive study on the case of polyethylene/polystyrene semi-I IPN
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Kinetic modeling of semi-interpenetrating polymer network (SIPN) process - A comprehensive study on the case of polyethylene/polystyrene semi-I IPN

机译:半互穿聚合物网络(SIPN)过程的动力学建模-聚乙烯/聚苯乙烯Semi-I IPN案例的综合研究

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摘要

A comprehensive kinetic model is developed for a semi-interpenetrating polymer network (SIPN) process, which involves simultaneous crosslinking, grafting, and degradation. Computational expense has been reduced considerably through a new component decomposition strategy, where a continuous variable approximation and a fixed pivot technique are applied for modeling each component. The inter-polymer formulation is then reconstructed by a statistical approach. Based on the kinetic parameters obtained from the literature and a series of experiments, the model provides consistent agreement for gel fraction, joint molecular weight distribution (MWD) and polymer composition predicted in the studied cases, showing promising capability for the SIPN industrial application as well as for other polymer composite systems. (figure presented)
机译:针对半互穿聚合物网络(SIPN)过程,开发了一个综合动力学模型,该过程涉及同时交联,接枝和降解。通过采用新的组件分解策略,计算费用已大大降低,其中采用了连续变量逼近和固定枢轴技术对每个组件进行建模。然后通过统计方法重建互聚物配方。基于从文献中获得的动力学参数和一系列实验,该模型为研究案例中预测的凝胶分数,联合分子量分布(MWD)和聚合物组成提供了一致的一致性,也显示出有希望的SIPN工业应用能力和其他聚合物复合材料系统一样。 (图示)

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