Titanium dioxide, preparation and use

摘要

The invention concerns a novel titania pigment useful for external painting. This pigment has a titania nucleus coated successively with a layer of zirconium hydroxide or oxyhydroxide, then a layer of titanium hydroxide or oxyhydroxide, then of a layer of co-precipitated phosphate and silica, and finally a layer of aluinium oxyhydroxide. The invention also concerns a method for preparing said pigment and its use in paints, plastics and laminated paper.