| 纳米TiO2包覆Al2O3珠光颜料的制备及表征 |
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| 引用本文： | 范卫青,郑治祥,郝书峰,徐光青,吕珺. 纳米TiO2包覆Al2O3珠光颜料的制备及表征[J]. 合肥工业大学学报(自然科学版), 2011, 0(11): 1632-1635,1710 |
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| 作者姓名： | 范卫青 郑治祥 郝书峰 徐光青 吕珺 |
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| 作者单位： | 合肥工业大学材料科学与工程学院; |
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| 基金项目： | 中国博士后科学基金资助项目(20080430758) |
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| 摘 要： | 文章采用熔盐法制备了片状Al2O3粉体,以片状Al2O3粉体为基材,TiCl4为钛源,尿素为缓冲剂,用液相沉积法制备纳米TiO2/Al2O3珠光颜料.通过正交实验考察了反应温度、反应初始pH值、反应时间、钛盐质量分数和尿素加入量对包覆率的影响,得到了制备TiO2/Al2O3珠光颜料前驱体的最佳工艺条件,并确定了影响前驱...
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| 关 键 词： | 片状Al2O3 TiO2 珠光颜料 包覆率 |
Preparation and characterization of nano-TiO_2 coated Al_2O_3 pearlescent pigment |
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| Abstract: | The flaky Al2O3 powder was prepared by molten salt method.Nano-TiO2/Al2O3 pearlescent pigment was prepared by liquid deposition method,using flaky Al2O3 as substrate,TiCl4 as titanium source and urea as precipitant.The optimal technical parameters to make the precursor of TiO2/Al2O3 pearlescent pigment were achieved with orthogonal experiments.The reaction temperature,initial pH value,reaction time,the concentration of TiCl4 and the amount of the urea additive in precursor were regarded as main factors infl... |
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| Keywords: | flaky Al2O3 TiO2 pearlescent pigment coating rate |
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