为了研究分析双马树脂的拉挤工艺特性和工艺参数,采用差示扫描量热法(DSC)研究了BMI-QC130双马树脂的固化反应动力学,建立了该BMI树脂的固化度预测模型,通过该预测模型得到的固化度预测值与试验值较为吻合,采用双Arrhenius方程建立了该BMI树脂的黏度预测模型,该黏度预测模型在温度低于120℃范围内具有很高的预测精度.根据所建立的固化度预测模型和黏度预测模型确定了BMI-QC130双马树脂的拉挤工艺参数为:胶槽恒温95℃,拉挤模具温度控制在200℃,出模后经过温度为280℃的烘道进行后固化.在此工艺条件下,成功地连续拉挤出碳纤维增强BMI-QC130复合材料样品.
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