| abstract |
Process for the preparation of functional groups homogeneously coated powder particles by reacting a suspension of particles of a raw powder with a coating reagent containing at least one functional group, which group can chemically bond with the powder raw material and / or bind firmly adsorbed to the surface of the powder particles, characterized in that the suspension is an aqueous suspension and homogenized in a stirring grinder and therein the particles are reacted with the coating reagent, wherein the coating reagent is added without prehydrolysis. |