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首页> 外文期刊>Journal of Applied Polymer Science >An lnterpenetrated System Based on a Tetrafunctional Epoxy Resin and a Thermosetting Bismaleimide:Structure-Properties Correlation
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An lnterpenetrated System Based on a Tetrafunctional Epoxy Resin and a Thermosetting Bismaleimide:Structure-Properties Correlation

机译：基于四功能环氧树脂和热固性双马来酰亚胺的互穿系统：结构-性能关联

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摘要

The kinetics and mechanism of the curing process of a thermosetting blend formed by tetraglycidel-4,4'-diaminodiphenyl methane and N,N'-bismaleimido-4,4'-diphenyl methane(BMI) cured in the presence of 4,4'-diaminodiphenyl sulfone,was investigated in detail by Fourier transform infrared spectroscopy.Information on the molecular structure of the network formed upon curing was derived.Dynamic-mechanical measurements on dry samples indicated an interpenetrated polymer network-like structure.Sorption measurements at 70degC showed a reduction of the water uptake at equilibrium in the presence of substantial amounts of BMI in the system (43.5% body weight).Finally,the dynamic-mechanical analysis of wet samples demonstrated a reduction of the plasticizing efficiency of the absorbed water in the presence of BMI.
机译：由四缩水甘油-4,4'-二氨基二苯甲烷和N，N'-双马来酰亚胺基-4,4'-二苯甲烷（BMI）在4,4'存在下固化形成的热固性共混物的固化过程动力学和机理通过傅里叶变换红外光谱对-二氨基二苯砜进行了详细研究，得出了固化后形成的网络的分子结构信息，对干燥样品进行的动态力学测量表明其是互穿的聚合物网络状结构，在70°C的吸附测量表明在系统中存在大量BMI（43.5％体重）的情况下，平衡状态下的吸水率降低。最后，湿样品的动态力学分析表明，在BMI存在的情况下，吸收水的增塑效率降低。 BMI。

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