| 溶胶-凝胶浸渍法制备氧化铝膜的形貌表征 |
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| 引用本文： | 徐占锋,张良苗,陈念贻,陆文聪,张振,吴祖燊. 溶胶-凝胶浸渍法制备氧化铝膜的形貌表征[J]. 上海大学学报(英文版), 2006, 10(6): 553-557. DOI: 10.1007/s11741-006-0056-z |
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| 作者姓名： | 徐占锋 张良苗 陈念贻 陆文聪 张振 吴祖燊 |
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| 作者单位： | [1]Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China [2]Zhejiang Alunite Comprehensive Utilization Research Institute, Wenzhou 325028, P. R. China |
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| 摘 要： | Alumina membranes without pinholes and cracks were prepared by the sol-gel process using anunordum aluminium sulphate as the starting material. The effects of different preparing conditions on morphology characteristics of the membrane were investigated by scanning electron microscopy and 3D rotational microscopy. The preparing conditions include the amounts of drying control chemical additives （DCCA）, sintering procedure and sol-gel concentration. The results showed that PVA is a good crack-preventing reagent and the morphology of supported membranes was affected by ninny factors, including Al2O3 concentration, PVA/Al2O3 ratio, heating rate, membrane thickness and intrinsic defects of the substrate surface.
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| 关 键 词： | 铝膜 三氧化二铝 溶胶-凝胶法 浸涂法 形态学 过滤膜 |
| 文章编号： | 1007-6417（2006）06-0553-05 |
| 收稿时间： | 2005-03-24 |
| 修稿时间： | 2005-05-16 |
Morphological characterization of A12O3 membrane fabricated by sol-gel dip-coating method |
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| Zhan-feng Xu,Liang-miao Zhang,Nian-yi Chen,Wen-cong Lu,Zhen Zhang,Zu-xin Wu. Morphological characterization of A12O3 membrane fabricated by sol-gel dip-coating method[J]. Journal of Shanghai University(English Edition), 2006, 10(6): 553-557. DOI: 10.1007/s11741-006-0056-z |
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| Authors: | Zhan-feng Xu Liang-miao Zhang Nian-yi Chen Wen-cong Lu Zhen Zhang Zu-xin Wu |
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| Affiliation: | 1. Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China
2. Zhejiang Alunite Comprehensive Utilization Research Institute, Wenzhou 325028, P. R. China |
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| Abstract: | Alumina membranes without pinholes and cracks were prepared by the sol-gel process using ammonium aluminium sulphate as the starting material. The effects of different preparing conditions on morphology characteristics of the membrane were investigated by scanning electron microscopy and 3D rotational microscopy. The preparing conditions include the amounts of drying control chemical additives (DCCA), sintering procedure and sol-gel concentration. The results showed that PVA is a good crack-preventing reagent and the morphology of supported membranes was affected by many factors, including Al_2O_3 concentration, PVA/Al_2O_3 ratio, heating rate, membrane thickness and intrinsic defects of the substrate surface. |
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| Keywords: | supported Al2O3 membrane ammonium aluminium sulphate sol-gel method morphology |
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