| 摘要 |
The present invention relates to weather-resistant pearl gloss pigment, comprising a coated or uncoated flake-shaped substrate which is selected from the group consisting of synthetic mica flakes, glass flakes, SiO2 flakes, Al2O3 flakes, synthetic boehmite flakes, BiOCl flakes and mixtures thereof, a colourant coat with at least one highly refractive metal oxide, and a finishing coat, wherein the finishing coat comprises the following sequence of coat: a) a first coat of tin oxide and/or tin hydroxide and/or tin oxide hydrate; b) a second cerium-containing coat, which comprises cerium oxide and/or cerium hydroxide and/or cerium oxide hydrate; c) an organic-chemical coat applied to the coat containing cerium which contains or consists of oligomer silanes, wherein the oligomer silanes have one or more amino groups and the oligomer silanes are chemically bonded to the coat containing cerium. The invention further relates to a method for producing and using said pearl gloss pigments. |
