以二苯甲烷双马来酰亚胺(BMDPM)和芳香二胺为原料,经溶液反应合成了BMDPM改性二胺WDDM521,并以单官能环氧化合物丁基缩水甘油醚(GLY)对WDDM521二胺进行了化学增韧改性,得到GHJ1固化剂.改性二胺WDDM521和GHJ1均适宜用作环氧树脂固化剂.研究了WDDM521溶液的反应温度,并采用红外光谱(FTIR)、凝胶渗透色谱(GPC)及核磁共振(NMR)等手段表征了上述2种固化剂的结构.
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