By dropping the Na2SiO3 solution to the hydrolyzing Ti(SO4)2 solution, also add ethyleneglycol monomethyllether, the nanometer TiO2-SiO2 particles were prepared by jelling, baking, calcine.

• 向正在水解中的硫酸钛溶液中滴加硅酸钠溶液,添加有机添加剂乙二醇单甲醚,经凝胶、烘干、煅烧后可制得纳米TiO2-SiO2粉末;