用全动态DSC研究了先进复合材料用高性能双组份环氧树脂的固化反应动力学,获得了固化反应的动力学参数,并建立了固化动力学的唯象模型.用恒温DSC和动态DSC结合DiBenedetto方程研究了树脂玻璃化转变温度和固化度之间的关系,并给出了玻璃化转变温度Tg和时间t及温度T之间的数学关系.通过DMA研究了树脂恒温下的凝胶过程,给出了凝胶时间tgel和凝胶温度T之间的关系,回归得到凝胶时的固化度为αgel=0.4539,并以此计算出了Tg·gel=70.18℃,为工艺选择提供了依据.并在此基础上绘制出了该树脂体系的TTT图,提出了将TTT图用于工艺优化的思路,并做了初步验证.
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