合成了一种邻苯二甲腈封端的芳醚单体和一种含有氨基的自催化型邻苯二甲腈单体,采用1 H-NMR对单体结构进行了表征.对两种单体进行熔融共混研究,得到了一种可低温固化成型的氰基树脂体系.运用DSC对该树脂体系的固化行为进行了研究,利用流变初步研究了熔体的加工性能,研究表明树脂体系有可能适用于模压及RTM工艺.运用DMA研究了不同固化温度对固化物玻璃化转变温度的影响,结果表明树脂固化物具有较好的耐热性.利用该树脂体系制备玻璃布增强复合材料,初步表征了材料的室温及高温力学性能,表明该氰基树脂体系有可能作为耐高温树脂基复合材料的基体树脂使用.
参考文献
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