| 通过表面处理，提高钛白粉的应用性能 |
| 添加时间：2019/10/30 15:22:14 浏览次数： |
| 通过表面处理，提高钛白粉的应用性能 Improve the application performance of titanium dioxide by surface treatment 钛白粉是极性很大的粉体，本性是亲水憎油的，但如果表面吸附有空气、水和其他污染物，则在水中的分散性降低，常常需要对其作表面处理，常用处理剂为水合氧化铝和水合氧化硅。目前市场上也有很多表面处理剂，例如：有机硅、偶联剂等进行处理，或者加一些其它无机颜料例如：硫酸钡、氢氧化铝等来改善钛白粉表面特性，提高其分散性。 Titanium dioxide is a very polar powder, which is hydrophilic and oil repellent in nature. However, if there are air, water and other pollutants adsorbed on the surface, the dispersion in water will be reduced, and it often needs surface treatment. The commonly used treatment agents are hydrated alumina and hydrated silica. At present, there are many surface treatment agents in the market, such as silicone, coupling agent, etc., or some other inorganic pigments, such as barium sulfate, aluminum hydroxide, etc., to improve the surface characteristics and dispersion of titanium dioxide. |
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