Pigments on the basis of cylinders or prisms
2004
The present invention relates to pigments on the basis of cylinders or prisms, wherein the height of the cylinders or prisms is 100 nm to 500 microns and the diameter of the base of the cylinder or the shortest diagonal of the base of the prisms is 100 nm to 500 microns and the cylinder arranged or prisms side by side and lying in the direction of the height axis of the cylinders or prisms of tubes and / or rods are made. Furthermore, the present invention provides methods for the preparation of these pigments and their use in paints, coatings, printing inks, plastics, films, cosmetic or pharmaceutical formulations, ceramic materials, glasses, paper relates to, for laser marking, in security materials in thermal protection, for coloring seed, for coloring foods in pharmaceutical coatings, in dry preparations, in pigment preparations, for analytical purposes, as a switch or as a tracer.
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