| 纳米TiO2/聚氨酯复合涂层的光催化活性研究 |
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| 引用本文： | 刘福春,韩恩厚,柯伟. 纳米TiO2/聚氨酯复合涂层的光催化活性研究[J]. 功能材料, 2005, 36(1): 129-132 |
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| 作者姓名： | 刘福春 韩恩厚 柯伟 |
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| 作者单位： | 中国科学院金属研究所,金属腐蚀与防护国家重点实验室,辽宁,沈阳,110016;中国科学院金属研究所,金属腐蚀与防护国家重点实验室,辽宁,沈阳,110016;中国科学院金属研究所,金属腐蚀与防护国家重点实验室,辽宁,沈阳,110016 |
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| 基金项目： | 国家重点基础研究专项经费资助项目(G19990650) |
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| 摘 要： | 用纳米二氧化钛浓缩浆制成了纳米TiO2／聚氨酯复合涂料。纳米TiO2／聚氨酯复合涂层的TEM观察和光催化实验表明，这种复合涂层中的纳米粒子分散均匀，无团聚体，并且具有良好的光催化活性。随着颜基比的增大，复合涂层的反应速率常数增大，光催化活性提高。在二氧化钛粒径不大于250nm时，复合涂层的反应速率常数和光催化活性在二氧化钛粒径为100nm处有一最大值。
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| 关 键 词： | 光催化 纳米材料 纳米浓缩浆 聚氨酯 涂料 |
| 文章编号： | 1001-9731(2005)01-0129-04 |
| 修稿时间： | 2004-03-11 |
Research of photocatalytic activity of nano-TiO2/polyurethane composite coating |
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| LIU Fu-chun,HAN En-hou,KE Wei. Research of photocatalytic activity of nano-TiO2/polyurethane composite coating[J]. Journal of Functional Materials, 2005, 36(1): 129-132 |
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| Authors: | LIU Fu-chun HAN En-hou KE Wei |
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| Abstract: | Nano-TiO_2/polyurethane composite coating was prepared by the nano-TiO_2 concentrates. TEM investigation and photocatalytic experimental results indicated that the nanoparticles in the composite coating were dispersed uniformly and were not aggregated, and has good photocatalytic activity. With the increase of pigment binder ratio, rate constant and photocatalytic activity of composite coating increase. As nano-TiO_2 size is not greater than 250nm, rate constant and photocatalytic activity of composite coating have a maximum at 100nm. |
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| Keywords: | photocatalysis nanomaterials nano-concentrates polyurethane coatings |
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