| abstract |
According to the invention, high-quality titanium dioxide pigments which are especially suited for water-dilutable high-gloss dispersion paints can be produced by means of a double organic aftertreatment. An organic compound (I) is, before final grinding, applied as a grinding aid to the untreated or already inorganically aftertreated particles, and an organic compound (II) is, after grinding, applied as a special dispersing and wettability aid. An adaptation of organic compound (II) to the matrix by altering the HLB value does not influence the degree of grinding any longer, rather it positively influences the degree of distribution of pigment particles in the matrix thus leading to an improved dispersion and to a higher gloss. |