| 表面活性剂对亚微米TiO2粉体的表面改性 |
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| 引用本文： | 余江涛,蒋惠亮. 表面活性剂对亚微米TiO2粉体的表面改性[J]. 江南大学学报(自然科学版), 2004, 3(6): 616-618 |
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| 作者姓名： | 余江涛 蒋惠亮 |
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| 作者单位： | 1. 江南大学,化学与材料工程学院,江苏,无锡,214036
2. 江南大学,化学与材料工程学院,江苏,无锡,214036;南京理工大学,化工学院,江苏,南京,210094 |
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| 摘 要： | 为了提高TiO2在聚酯切片中的分散性,对TiO2进行了表面处理,使其实现由亲水到亲油的转变.研究以阴离子表面活性剂对钛白粉改性的方法.主要对不同种类的单一阴离子表面活性剂和两种阴离子表面活性剂的复配体系进行了试验,对其在水相中的粒径、去离子水的接触角、亲水亲油性、以及吸油量进行表征.结果表明,阴离子表面活性剂改性有一定的效果,其中LAS与硬脂酸复配体系的接触角达116°.
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| 关 键 词： | 二氧化钛 表面活性剂 表面改性 聚酯纤维 |
| 文章编号： | 1671-7147(2004)06-0616-03 |
Surface Modification of Submicron TiO2 Powder by Surfactants |
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| YU Jiang-tao,JIANG Hui-liang. Surface Modification of Submicron TiO2 Powder by Surfactants[J]. Journal of Southern Yangtze University:Natural Science Edition, 2004, 3(6): 616-618 |
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| Authors: | YU Jiang-tao JIANG Hui-liang |
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| Affiliation: | YU Jiang-tao~1,JIANG Hui-liang~ |
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| Abstract: | To improve dispersion of titania in the polyester , surface modification is required through anionic surfactants. In this research, all kinds of single anionic surfactants and mixture of single one were tested. The samples were characterized in terms of diameters of particles ,contact angles ,wetting properties and oil adsorption. The results showed that the mixture of LAS and stearic acid is much better than others. |
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| Keywords: | titanium dioxide surfactant surface modification polyester |
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