| 液相水解法制备纳米二氧化钛粉体及工艺研究 |
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| 引用本文： | 席细平,陈小宾,王伟,鹿院卫,戴洪兴,马重芳.液相水解法制备纳米二氧化钛粉体及工艺研究[J].应用化工,2007,36(1):1-3. |
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| 作者姓名： | 席细平 陈小宾 王伟 鹿院卫 戴洪兴 马重芳 |
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| 作者单位： | 北京工业大学,环境与能源工程学院,传热强化与过程节能教育部重点实验室,北京,100022 |
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| 摘 要： | 以四氯化钛和正辛醇为原料,通过液相水解法制备纳米二氧化钛粉体。重点讨论了原料配比、碳酸铵饱和溶液温度、焙烧温度等因素对制备工艺的影响。通过XRD、SEM对纳米粉体的形貌、晶型、粒径进行了表征对比,并结合二氧化钛粉体制备的产率,确定了最佳工艺参数:四氯化钛∶正辛醇=1∶4(质量比),碳酸铵饱和溶液温度为50℃,真空干燥温度为110℃,焙烧温度350℃,焙烧时间3 h。并制备出粒径约为12 nm、比表面积为229.77 m2/g的纳米二氧化钛粉体。
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| 关 键 词： | 四氯化钛 纳米二氧化钛 制备 |
| 文章编号： | 1671-3206（2007）01-0001-03 |
| 修稿时间： | 2006-10-13 |
Preparation of TiO2 nanopowder by liquid phase hydrolysis methods and its technics |
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| XI Xi-ping,CHEN Xiao-bin,WANG Wei,LU Yuan-wei,DAI Hong-xing,MA Chong-fang.Preparation of TiO2 nanopowder by liquid phase hydrolysis methods and its technics[J].Applied chemical industry,2007,36(1):1-3. |
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| Authors: | XI Xi-ping CHEN Xiao-bin WANG Wei LU Yuan-wei DAI Hong-xing MA Chong-fang |
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| Affiliation: | Enhanced Heat Transfer and Energy Conservation Key Laboratory of Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China |
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| Abstract: | TiO_2 nanopowder was prepared from titanium tetrachloride and n-octanol by liquid phase hydrolysis methods.The influence of mixture ratio,temperature of saturated solution,and calcination temperature on preparation process were studied.The morphology,crystal shape and size of nanopowder was characterized and analyzed by XRD,SEM technologies,the yield of preparation was considered,and the best technic parameters was obtained:titanium tetrachloride∶n-octanol is 1∶4,the temperature of ammonium carbonate saturated solution is 50 ℃,the temperature of vacuum dryness is 110 ℃,the calcination temperature is 350 ℃,the calcination time is 3 h.The TiO_2 nanopowder of 12 nm in diameter and(229.77 m~2/g) in specific surface area was prepared. |
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| Keywords: | titanium tetrachloride nanometer TiO_2 preparation |
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