| 超细煤系煅烧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： | 林海.超细煤系煅烧高岭土颗粒表面包覆二氧化钛膜的工艺研究[J].中国矿业,2000,9(4):61-64. |
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| 作者姓名： | 林海 |
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| 作者单位： | 北京科技大学资源工程学院,北京,100083 |
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| 基金项目： | 国家自然科学基金!资助项目 ( 5 970 40 0 6) |
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| 摘 要： | 研究了超细煤系煅烧高岭土颗粒表面包覆二氧化钛膜的工艺。结果表明，改性温度和改性时间、改性药剂用量、基体悬浮液浓度和搅拌速度是影响包覆效果的关键因素。运用ＳＥＭ、ＴＥＭ对最终包膜产品进行了测试分析，表明超细煤系烯烧高岭土颗粒表面包覆了厚度为１５０ｎｍ、均匀且致密的二氧化钛薄膜。
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| 关 键 词： | 超细煤系烯烧高岭土 表面改性 二氧化钛膜 |
| 修稿时间： | 2000年1月5日 |
RESEARCH ON THE TECHNOLOGY OF COATING TiO2 FILM ON THE SURFACE OF ULTRA-FINE CALCINED COAL KAOLIN POWDER |
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| Lin Hai.RESEARCH ON THE TECHNOLOGY OF COATING TiO2 FILM ON THE SURFACE OF ULTRA-FINE CALCINED COAL KAOLIN POWDER[J].China Mining Magazine,2000,9(4):61-64. |
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| Authors: | Lin Hai |
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| Abstract: | The technology of coating TiO 2 film on the surface of ultra fine calcined coal kaolin particle was studied.It is shown that temperature and time,amount of surface modification agent,pulp density and stirring velocity are the important factors of influencing the effect of coating.The coating product,which was acquired on the optimum conditions,was tested and analyzed by SEM and TEM.The results show that titanium dioxide thin film on the ultra fine calcined coal kaolin is well distrbuted and compact,the thickness of film is about 150nm. |
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| Keywords: | Ultra fine calcined coal kaolin Surface modification Titanium dioxide film Titanium white |
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