Durable pigmentary titanium dioxide and methods of producing the same.

摘要

Titanium dioxide pigment having a high durability when used in paint or the like exposed to solar radiation and methods of producing such titanium dioxide pigment are described. The durable titanium dioxide pigment comprises rutile titanium dioxide particles having cerium oxide and dense amorphous silica deposited thereon. The particles preferably also have an outer coating of hydrous alumina deposited thereon.