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远程和直接射频氩等离子体对医用PVC进行表面改性 被引量:2

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摘要 采用远程和直接射频(RF)氩等离子体对医用聚氯乙烯(PVC)进行表面改性,通过扫描电子显微镜(SEM)观察,接触角测量和X射线光电子能谱分析(XPS)等方法,研究了改性前后材料表面结构性能的变化,分析了远程和直接RF氩等离子体处理效果不同的原因.结果表明,经远程和直接RF氩等离子体处理后,材料表面微观样貌和表面化学成分发生变化,在PVC表面引入了含氧和含氮基团,使得材料表面极性改变,提高材料表面润湿性.远程RF氩等离子体抑制了电子和离子的刻蚀作用,强化了自由基反应,改性效果优于直接RF氩等离子体,进一步提高了PVC表面的润湿性.
作者 李茹 陈杰瑢
出处 《科学通报》 EI CAS CSCD 北大核心 2006年第8期908-911,共4页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:20174030) 教育部高校博士点科研基金(编号:20010698007) 教育部留学回国人员启动基金(2001[345])资助项目.
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