Processo para a preparação de um pigmento de dióxido de titânio pós-tratado

摘要

Producing a surface-treated titanium dioxide pigment comprises adding aluminum and phosphorus components to a titanium dioxide suspension while maintaining a pH of at least 10, and adding an acidic component to lower the pH below 9. - An INDEPENDENT CLAIM is also included for a surface-treated titanium dioxide pigment produced as above.