| 高岭土颗粒表面包覆二氧化钛膜的工艺研究 |
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| 引用本文： | 丁希楼,张国栋.高岭土颗粒表面包覆二氧化钛膜的工艺研究[J].矿业研究与开发,2004,24(1):34-36. |
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| 作者姓名： | 丁希楼 张国栋 |
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| 作者单位： | 1. 安徽工业大学建筑工程学院,安徽,马鞍山市,243002
2. 安徽工业大学化工学院,安徽,马鞍山市,243002 |
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| 基金项目： | 安徽省教委自然科学基金项目(编号:2002kj049) |
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| 摘 要： | 实验研究了用液相沉积法在高岭土颗粒表面包覆二氧化钛膜的工艺。实验结果表明，表面改性温度和时间、基体悬浮液浓度、搅拌速度和煅烧温度是影响包覆效果的关键因素。对最终产品进行了遮盖力测试，测试结果表明，当在高岭土表面包覆一定厚度的二氧化钛膜时，可以大幅度地提高高岭土的遮盖力，从而可将其用作钛白粉的替代品。
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| 关 键 词： | 高岭土 液相沉积法 表面改性 二氧化钛膜 钛白粉 |
| 文章编号： | 1005-2763(2004)01-0034-03 |
| 修稿时间： | 2003年9月23日 |
Research on the Technology of Forming TiO2 Fi on the Surface of Kaolin Particle |
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| DING Xi-lou,ZHANG Guo-dong.Research on the Technology of Forming TiO2 Fi on the Surface of Kaolin Particle[J].Mining Research and Development,2004,24(1):34-36. |
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| Authors: | DING Xi-lou ZHANG Guo-dong |
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| Affiliation: | DING Xi-lou~1,ZHANG Guo-dong~2 |
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| Abstract: | The laboratorial study on the technology of forming TiO2 film on the surface of kaolin particle by liquid deposition process was carried out. The laboratorial results have shown that the key factors influencing the TiO2 film forming effect are the temperature and time surface modification reaction, the density of matrix suspension, the stirring velocity and the calcinations temperature. The measurement of the covering property on the final product was carried out. The measured results have shown that the covering property of kaolin can be greatly improved as kaolin particle is coated with certain thickness of titanium dioxide film, therefore, the film kaolin could be used as the succedaneum of titanium white. |
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| Keywords: | Kaolin Liquid deposition process Surface modification Titanium dioxide film Titanium white |
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