[1]贵大勇,梁霜,赵海娟,等.紫外臭氧辐照及NVP接枝改善SR表面湿滑性能[J].深圳大学学报理工版,2014,31(6):576-582.[doi:10.3724/SP.J.1249.2014.05576]
 Gui Dayong,Liang Shuang,Zhao Haijuan,et al.Improvement of wettability of SR via UV-Ozone radiation and NVP grafting[J].Journal of Shenzhen University Science and Engineering,2014,31(6):576-582.[doi:10.3724/SP.J.1249.2014.05576]
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紫外臭氧辐照及NVP接枝改善SR表面湿滑性能()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第31卷
期数:
2014年第6期
页码:
576-582
栏目:
化学与化工
出版日期:
2014-11-20

文章信息/Info

Title:
Improvement of wettability of SR via UV-Ozone radiation and NVP grafting
文章编号:
201406004
作者:
贵大勇梁霜赵海娟马文杰吴奕光
深圳大学化学与化工学院, 深圳 518060
Author(s):
Gui Dayong Liang Shuang Zhao Haijuan Ma Wenjie and Wu Yiguang
College of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, P.R.China
关键词:
有机高分子材料硅橡胶亲水性改性紫外臭氧处理辐照硅烷偶联剂N-乙烯基吡咯烷酮
Keywords:
organic polymer materials silicone rubber(SR) hydrophilic modification UV-Ozone irradiation silane coupling agent N-vinylpyrrolidone (NVP)
分类号:
TQ 330.7;O 634.4
DOI:
10.3724/SP.J.1249.2014.05576
文献标志码:
A
摘要:
利用紫外-臭氧(UV-Ozone)活化硅橡胶(silicone rubber, SR)表面后,通过偶联法接枝N-乙烯基吡咯烷酮(N-vinylpyrrolidone, NVP),对SR表面进行亲水性改性,以提高硅橡胶表面的湿滑性能.采用傅里叶衰减全反射谱(attenuated total reflection flourier transformed infrared spectroscopy, FTIR-ATR)、扫描电镜和能量色散X射线谱分析(scanning electron microscopy-energy dispersive X-ray spectroscopy, SEM-EDS)以及表面静态水接触角等手段,对改性硅橡胶表面进行了分析表征.结果表明,当辐射时间为60 min时,硅橡胶表面形成了大量Si—O键和—OH,达到了较好的辐射效果;接枝N-乙烯基吡咯烷酮(NVP)的硅橡胶表面亲水性较好,表面接触角达到50°,在室温空气中亲水性能够保持2周左右.
Abstract:
The surface of silicone rubber (SR) was activated by UV-Ozone, and N-vinylpyrrolidone (NVP) was then grafted on the surface of SR through γ-methacryloxy propyl trimethoxy silane (KH-570) as a coupling agent to improve the surface wettability. The modification of SR surface was characterized by contact angle goniometry, attenuated total reflectance infrared spectroscopy, and scanning electron microscopy-energy dispersive X-ray analysis. The results show that the modification of silicone rubber under UV-Ozone radiation of 60 min forms a lot of Si—O bonds and —OH groups on the surface, which exhibits good irradiation effects on silicone rubber. After coupled with KH-570 as a reactive bridge, followed by grafting N-vinylpyrrolidone (NVP), the surface of silicone rubber reaches the excellent wettability with contact angle of 50°, which can keep for 2 weeks or so under atmosphere at ambient temperature.

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备注/Memo

备注/Memo:
Received:2014-06-06;Accepted:2014-07-03
Foundation:Major State Basic Research Development Program of China(2011CB605603); Basic Research Project of Shenzhen(JCYJ20120613110532389)
Corresponding author:Professor Gui Dayong. E-mail: dygui@szu.edu.cn; Professor Wu Yiguang. E-mail: yebsd@sina.com
Citation:Gui Dayong, Liang Shuang, Zhao Haijuan, et al. Improvement of wettability of SR via UV-Ozone radiation and NVP grafting[J]. Journal of Shenzhen University Science and Engineering, 2014, 31(6):576-582.(in Chinese)
基金项目:国家重点基础研究发展规划资助项目(2011CB605603); 深圳市基础研究资助项目(JCYJ20120613110532389)
作者简介:贵大勇(1963—),男(汉族),湖南省常德市人. E-mail: dygui@szu.edu.cn
引文:贵大勇,梁霜,赵海娟,等. 紫外臭氧辐照及NVP接枝改善SR表面湿滑性能[J]. 深圳大学学报理工版,2014,31(6):576-582.
更新日期/Last Update: 2014-10-29