| 单价选择性均相阳离子交换膜的制备及性能 |
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| 引用本文： | 王汉敏,高学理,胡圆,王剑,徐佳,高从堦.单价选择性均相阳离子交换膜的制备及性能[J].膜科学与技术,2011,31(5):6-12,33. |
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| 作者姓名： | 王汉敏 高学理 胡圆 王剑 徐佳 高从堦 |
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| 作者单位： | 中国海洋大学化学化工学院,青岛,266100 |
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| 基金项目： | 十一五国家科技支撑计划项目(2006BAB04B02); 国家自然科学基金项目(21006100) |
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| 摘 要： | 以2-羟基-3-三甲铵基丙基壳聚糖为改性材料,商品化均相离子交换膜为基膜,电沉积法制备单价选择性阳离子交换膜,并探讨制膜液浓度、电沉积时间和交联环境等制膜条件对改性膜特殊分离性能的影响.用多种分析方法测试膜的相关性能,结果表明,单价选择性阳离子交换膜对一多价离子的分离效果明显,其中静电排斥是解释其分离特性的主要因素..
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| 关 键 词： | 壳聚糖季铵盐 均相阳离子交换膜 单价离子选择性分离 表面改性 静电排斥 |
Preparation and performances of monovalent ion selective homogeneous cation exchange membrane |
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| WANG Hanmin,GAO Xueli,HU Yuan,WANG Jian,XU Jia,GAO Congjie.Preparation and performances of monovalent ion selective homogeneous cation exchange membrane[J].Membrane Science and Technology,2011,31(5):6-12,33. |
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| Authors: | WANG Hanmin GAO Xueli HU Yuan WANG Jian XU Jia GAO Congjie |
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| Affiliation: | WANG Hanmin,GAO Xueli,HU Yuan,WANG Jian,XU Jia,GAO Congjie(College of Chemistry and Chemical Engineering,Ocean University of China,Qingdao 266110,China) |
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| Abstract: | In this paper,a monovalent ion selective cation exchange membrane was prepared by electrodeposition method using modified 2-hydroxy-3-trimethyl ammonium propyl chitosan and commercial homogeneous base membrane.Moreover,the effects of preparing conditions on selective separation performance of the membrane were discussed,including the modified chitosan concentration,electrodeposition time and cross-linking system.The characterizations of cation exchange membrane(CEM) were also measured by using various analy... |
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| Keywords: | quaternized chitosan homogeneous cation exchange membrane monovalent ion selective separation surface modification electrostatic repulsion |
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