采用溶胶-凝胶法，通过设计正交实验 L9(34)，对锆铝双滴加包膜金红石型钛白粉的新工艺进行研究。采用 Nano-ZS 型粒度仪、扫描电镜(SEM)、透射电镜(TEM)和能谱(EDS)等测试手段，考察锆铝包膜金红石型钛白粉的效果和包膜机理。得到了锆铝包膜金红石型钛白粉的优化工艺条件，证实了金红石型钛白粉表面包覆了两层均匀而致密的 Al2 O3膜和ZrO2膜。同时，证实了这两层膜是以化学键的形式结合在金红石型钛白粉颗粒表面。
This paper researched the optimizing technology of the rutile titanium dioxide on ZrO2-Al2 O3 both dropwise add coated with orthogonal experiment L9 (34 )by sol-gel method.Effect of the rutile titanium dioxide ZrO2-Al2 O3 coated and coated mechanism were investigated by Nano-ZS,scanning electron microscopy (SEM), transmission electron microscopy(TEM)and energy spectrum(EDS)etc..The optimum process conditions of the rutile titanium dioxide ZrO2-Al2 O3 coated was obtained.Two layers compact and uniform aluminium oxide and zirconium dioxide film on the surface of the rutile titanium dioxide was confirmed.At the same time,the two layers film by the form of chemical bonds combination in the rutile titanium dioxide surface was confirmed.
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