【摘要】 研究在片状绢云母表面直接沉积纳米金红石型TiO2制备云母钛纳米复合材料的方法。结果表明:在制备的云母钛中,金红石型TiO2良好地结合在光滑的绢云母表面上,沉积颗粒呈岛状分布,且分散均匀。随着TiO2含量的增加,形成致密的TiO2涂层。低温下热处理云母钛复合材料时,云母钛的白度、亮度及反射系数会随着金红石TiO2含量的增加而提高。云母钛复合物的反射系数随着TiO2的结晶性的提高而增加。更多还原

【Abstract】 Mica-titania nanocomposites were prepared by direct deposition of rutile TiO2 nanoparticles on lamellar sericite.The results show that in mica-titania nanocomposites,island-like structured rutile TiO2 aggregates are strongly anchored and well dispersed on the flat surfaces of sericite.Dense TiO2 films are formed with increasing TiO2 loading.When mica-titania nanocomposites are thermally treated at lower temperature,the whiteness,lightness,and reflectance of the resultant mica-titania nanocomposites increase with increasing TiO2 loading.The reflectance of mica-titania nanocomposites increases with increasing TiO2 crystallinity.更多还原