| Preparation of pH-responsive ceramic composite membranes by grafting acrylic acid onto α-alumina membranes |
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| 引用本文： | YANG LianLi,,ZHAO YiJiang,ZHOU ShouYong,LI MeiSheng,CHEN Yan, & XING WeiHong Chemistry Department of Huaiyin Teachers College,Key Laboratory for Chemistry of Low-Dimensional Materials of Jiangsu Province,Huai’an ,China, State Key Laboratory of Materials-Oriented Chemical Engineering,Nanjing University of Technology,Nanjing .Preparation of pH-responsive ceramic composite membranes by grafting acrylic acid onto α-alumina membranes[J].中国科学通报(英文版),2009,54(12):2147-2149. |
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| 作者姓名： | YANG LianLi ZHAO YiJiang ZHOU ShouYong LI MeiSheng CHEN Yan & XING WeiHong Chemistry |
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| 基金项目： | Supported by the National Natural Science Foundation of China(Grant No.20776067);;Natural Science Research Foundation of Jiangsu Education Office(Grant Nos.07KJA15012and05KJB530009) |
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| 摘 要： | A pH-responsive ceramic composite membrane was prepared by chemical graft polymerization of acrylic acid （AA） onto the KH-570 modified （x-alumina membrane. The influence of monomer concentration on the gating characteristics of the pH-responsive membrane was investigated. The FT-IR spectrum, contact angle and water filtration rate of the membrane were measured. The monomer concentration was found to have a remarkable effect on the pH-response coefficient and the water filtration rate. In addition, the grafted membrane exhibited fast and reversible response to the pH change in the external solution.
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| 关 键 词： | 陶瓷复合膜 pH敏感膜 氧化铝膜 接枝聚合 丙烯酸 膜制备 pH值变化 单体浓度 |
| 收稿时间： | 2008-08-03 |
| 修稿时间： | 2008-11-17 |
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