采用一种自主设计制备的含有端炔、醚键和酰亚胺环的硅烷偶联剂(AAS),对石英纤维/含硅芳炔复合材料进行增强、增韧改性.采用DSC、FT-IR以及TGA分析表征了AAS参与PSA的交联固化,与PSA形成良好的化学作用;XPS测试表明AAS与QF产生化学键合;SEM分析表明,AAS的使用改善了QF与PSA的粘结性能,提高了界面结合强度,常温条件下,复合材料的层间剪切强度(ILSS)和弯曲强度相比于未改性的分别提高了50.6％和43.0％,在250℃时,ILSS、弯曲强度的保留率分别为66.0％和84.2％.经过AAS改性后,复合材料的耐冲击性能也得到了提高,常温下QF/PSA的冲击强度较未改性时提升了20.4％.
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