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利用远程Ar等离子体引发聚四氟乙烯膜接枝丙烯酸的研究 被引量:4

Graft of Acrylic Acid onto Polytetrafluoroethylene by Ar Remote-Plasma
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摘要 利用远程Ar等离子体对聚四氟乙烯(PTFE)膜进行预处理,与空气接触氧化后接枝丙烯酸(AA).用碘化钠法测定膜表面过氧基团的浓度,探讨等离子体放电时间和功率对膜表面过氧基团浓度的影响,以及过氧基团浓度对接枝率的影响.通过接触角测定分析了接枝PTFE表面的亲水性变化,利用衰减全反射傅里叶变换红外光谱(ATR-FTIR)和X射线光电子能谱图(XPS)对接枝膜进行结构表征.研究结果表明:在放电功率为100 W、放电时间为100 s和氩气流量为20 cm3/min的条件下,过氧基团浓度为2.87×1013个/cm2;过氧基团越多,越有利于AA在PTFE表面发生接枝反应;随着接枝率的增加,PTFE表面接触角呈下降趋势.
作者 王琛 陈杰瑢
出处 《西安交通大学学报》 EI CAS CSCD 北大核心 2006年第4期491-493,共3页 Journal of Xi'an Jiaotong University
基金 国家自然科学基金资助项目(20174030 30571636) 高等学校博士学科点基金资助项目(20010698007) 教育部留学回国人员科研启动基金资助项目(2001[345]) 陕西省教育厅资助项目(02JK056)
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参考文献6

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