Anticorrosive pigments on the basis of tertiary alkaline earth metal - aluminum - phosphates and method for their preparation

摘要

the invention is korrosionsschutzpigmente based on third earth aluminiumphosphaten, particularly where the atomzahlenverhu00e4ltnis x: y: z in the formula eaxaly (po4) from earth to aluminum, phosphorus andphosphate 50 - 70% to 5% - 30% to 20 - 50%, and the method of manufacture by itself known implementation with phosphoric acid and to implement so that sufficiently soluble erdalkaliverbindung and compound containing aluminium as well as abfiltrieren of your pigmentes in usual way, s owie drying. calcinieren. milled.