采用冷等离子体技术对PET纤维进行表面处理,并采用ESCA对处理前后的纤维表面进行了分析.研究了冷等离子体处理工艺参数对PET纤维/环氧复合材料界面剪切强度、横向拉伸强度的影响.实验结果表明:冷等离子体处理可以使PET纤维表面的氧和氮的极性基团含量增加,从而改善其与树脂的浸润性,进而改善PET纤维/环氧复合材料的界面性能.
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