Patent ID: 8552070

Claim:
A pigment preparation comprising metallic effect pigments in compacted form, wherein the pigment preparation comprises the following components: a) 60%-95% by weight of at least one metallic effect pigment which has at least one low-refractive-index layer (low-index layer) on a metallic core of the metallic effect pigment, the low-index layer comprising at least one inorganic component, wherein the inorganic component is at least one selected from the group consisting of metal oxide, metal hydroxide and metal oxide hydrate, b) 0.5%-40% by weight of a binder which is free from styrene groups, has an acid number of 150-500 mg KOH/g binder, and a melting point or melting range which lies in the range of 120-200° C., c) a residual moisture content in the range of 0%-15% by weight of at least one of water, an organic solvent and a solvent mixture, and d) optionally, at least one neutralizing agent.