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首页> 外文期刊>European Polymer Journal >Interpenetrating polymer networks of epoxy resin and urethane acrylate resin: 1. Kinetics of network formation
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Interpenetrating polymer networks of epoxy resin and urethane acrylate resin: 1. Kinetics of network formation

机译：环氧树脂和聚氨酯丙烯酸酯树脂的互穿聚合物网络：1.网络形成的动力学

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摘要

A series of simultaneous interpenetrating polymer networks composed of epoxy resin (epoxy) and urethane acrylate resin (UAR) with different compositions were synthesized and the polymerization kinetics of both network formations was monitored by using a Fourier transform infrared spectroscopy for the potential application in the reaction injection molding process to prepare the toughened epoxy materials. It was found that during the course of synthesis the polymerization rate for formation of both pure networks has almost no dependence on the concentration of reactants, especially at the early stage of reaction and the two pairs of reactants interfere with each other significantly, although they followed different polymerization mechanisms. All these unusual polymerization kinetics behaviors observed could be correlated well with the changes of viscosity and morphology of the systems.
机译：合成了由环氧树脂（环氧树脂）和氨基甲酸酯丙烯酸酯树脂（UAR）组成的一系列同时互穿的聚合物网络，并利用傅里叶变换红外光谱法监测了这两种网络形成的聚合动力学，以探讨其在反应中的潜在应用。注塑工艺来制备增韧的环氧材料。发现在合成过程中，形成两个纯网络的聚合速率几乎不依赖于反应物的浓度，特别是在反应的早期，并且尽管如此，两对反应物彼此显着干扰。不同的聚合机制。观察到的所有这些异常的聚合动力学行为可以与体系的粘度和形态的变化很好地相关。

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