研究了甲基四氢邻苯二甲酸酐(MeTHPA)和4,4-二氨基二苯基砜(DDS)两种固化剂对1,1,2,2,-四(对羟基苯基)乙烷四缩水甘油醚环氧树脂(TGE)固化反应及固化性能的影响.通过DSC研究了树脂的固化行为,结果表明MeTHPA体系与DDS体系的固化反应活化能分别为65.8和68.4 k J/mol;同时通过DMA、TGA以及万能材料试验机等方法对树脂的热力学和力学性能等进行研究.MeTHPA体系的Tg为188℃,初始热分解温度为219.9℃,拉伸强度为33 MPa,弯曲强度为48 MPa.而DDS体系的Tg为203℃,初始分解温度为292.3℃,拉伸与弯曲强度分别为61和93 MPa.
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