| 壳聚糖/壳聚糖季铵盐交联共混阴离子交换膜的制备与性能研究 |
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| 引用本文： | 凌敏,李茂政,廖有为.壳聚糖/壳聚糖季铵盐交联共混阴离子交换膜的制备与性能研究[J].应用化工,2010,39(1):60-63,79. |
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| 作者姓名： | 凌敏 李茂政 廖有为 |
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| 作者单位： | 广西大学,化学化工学院,广西,南宁,530004 |
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| 摘 要： | 制备了一种新型阴离子交换膜——壳聚糖/壳聚糖季铵盐交联共混膜,并用FTIR对共混膜进行了初步表征;分析研究了不同交联度及配比对离子交换膜相关性能的影响;并运用测试膜电位的方法估算了离子的迁移数和选择透过度。研究表明,膜呈现较好的电化学性能,而膜的力学性能较差、含水量高、选择透过度稍低。HACC含量为25%,交联度为0.2%的共混膜干强与湿强分别为53.10 MPa和8.40 MPa,含水量66.4%,IEC为1.97 mmol/g,面电阻2.67Ω.cm2,离子迁移数为0.91,选择透过度为81.6%。
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| 关 键 词： | 壳聚糖 壳聚糖季铵盐 交联 阴离子交换膜 |
Preparation and properties of chitosan/quaternized chitosan blend cross-linked anion exchange membranes |
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| LING Min,LI Mao-zheng,LIAO You-wei.Preparation and properties of chitosan/quaternized chitosan blend cross-linked anion exchange membranes[J].Applied chemical industry,2010,39(1):60-63,79. |
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| Authors: | LING Min LI Mao-zheng LIAO You-wei |
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| Affiliation: | College of Chemistry and Chemical Engineering;Guangxi University;Nanning 530004;China |
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| Abstract: | A novel anion exchange membrane with chitosan and quaternized chitosan has been prepared and the primary structure characterization has been performed by FTIR.The influence of various chitosan/quaternized chitosan compositions and the amounts of glutaraldehyde on properties of ion exchange membranes was discussed.The ion transference number and the selective permeability have been estimate by testing membrane potential method.Analysis of chitosan/quaternized chitosan blend cross-linked membranes show the me... |
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| Keywords: | chitosan quaternized chitosan cross-linked anion exchange membranes |
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