PIGMENT BASED ON TITANIUM DIOXIDE (OPTIONS), METHOD FOR PRODUCING COATED PIGMENTS, METHODS FOR MANUFACTURING DECORATIVE PAPER AND COATING MATERIALS, DECORATIVE PAPER, MATERIAL AND LIQUID

摘要

1. A titanium dioxide-based pigment comprising rutile titanium dioxide particles having a coating, characterized in that the coating comprises aluminum phosphate, alumina, titanium oxide and silicon oxide, and the particles are characterized by a specific surface according to the Brunauer-Emmett-Teller equation (BET) of at least 15 m2 / g. ! 2. The pigment according to claim 1, characterized in that the coating comprises aluminum at a content, in terms of aluminum oxide (Al2O3), wt.%: 1.0 ÷ 9.0. ! 3. The pigment according to claim 1, characterized in that the coating includes phosphorus, when contained, in terms of P2O5, wt.%: 1.0 ÷ 5.0. ! 4. The pigment according to claim 1, characterized in that the coating includes silicon, if present, in terms of silicon oxide (SiO2), wt.%: 0.1 ÷ 5.0. ! 5. The pigment according to claim 1, characterized in that the coating includes titanium, with a content of 0.1 ÷ 6.0 wt.%, In terms of titanium oxide (TiO2). ! 6. The pigment according to claim 1, characterized in that it is characterized by a specific surface according to the BET equation of 20 ÷ 60 m2 / g. ! 7. A method for producing coated pigments, including titanium dioxide, characterized in that first an aqueous suspension of uncovered particles of titanium dioxide is obtained, then aluminum-containing and phosphorus-containing components are added, and then, while maintaining a pH of 4 to 9, an alkaline silicon-containing component and component are added which regulates the pH, which is used as an acidic titanium-containing component. ! 8. The method according to claim 7, characterized in that upon receipt of a suspension of uncoated particles of titanium dioxide and when aluminum-containing and phosphorus-containing components are added, a pH of at least 10 is maintained. ! 9. The method according to claim 7, characterized in that it further includes