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研制了用于缠绕成型的双马来酰亚胺树脂体系,研究该树脂体系的化学流变特性。经黏度实验证实,该体系黏度平台低,低黏度保持时间长1,10℃下保持黏度低于1000 mPa.s的时间为864 min。在黏度实验和差示扫描量热(DSC)实验的基础上,建立了该树脂体系恒温情况下的双阿累尼乌斯黏度模型,该模型与实验数据吻合良好,可有效地预测缠绕成型过程中黏度变化情况以及低黏度平台,为复合材料缠绕成型工艺模拟分析及工艺参数的确定提供了理论依据和基础数据。
The bismaleimide resin system for winding molding was developed to study the chemical rheological properties of the resin system. The results of viscosity experiments show that the viscosity of the system is low, the viscosity of the low viscosity to maintain a long time 1, 10 ℃ to maintain the viscosity of less than 1000 mPa.s the time is 864 min. Based on the viscosity experiment and differential scanning calorimetry (DSC) experiment, the double Arrhenius viscosity model of the resin system under constant temperature is established. The model is in good agreement with the experimental data and can effectively predict the winding process Medium viscosity and low viscosity platform for the simulation of composite material winding process simulation and process parameters to provide a theoretical basis and basic data.