为阐明界面对复合材料耐腐蚀性能的影响,本文作者采用单丝模型研究了偶联剂处理对复合材料界面粘接能和耐腐蚀性能的作用。实验证明:单丝模型中单丝直径与界面粘接能无关;硅烷偶联剂处理液浓度对玻纤表面处理效果有很大影响:界面上化学吸附的及与玻纤表面起化学作用的偶联剂层对改善界面粘接起主要作用:对玻纤进行适当的表面处理能大大改善界面耐腐蚀性能。
The interfaces of composites have been studied by single filament test which can reduce the interference factors caused by material processing. Efforts have been made to elucidate the effects of different silane coupling agents and their multi-layer structures on adhesion and the corrosion-resistant properties of interfaces. The results show that. 1. Single filsment test is very useful in interface study; 2. Only chemisorbed silane and silane combining with glass substrate contribute to the improvement of interface adhesion; the physisorbed siiane has no effect in this modifications 3. With proper selection of the coupling agents, the corrosion-resistant properties of interfaces can be greatly improved.
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