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US 2017/0348201 A1Published application
Effect Pigments with High Chroma and High Brilliancy, Method for the Production and Use Thereof
AssigneeEckart GmbH
InventorsMichael Grüner, Günter Kaupp, Ralph Schneider
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Abstract
The invention relates to an absorbent effect pigment including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one spacer layer. The invention further relates to a process for production of and to the use of the absorbent effect pigment.
Claims17
An absorbent effect pigment comprising a nonmetallic substrate in platelet form and a coating applied to the substrate, wherein the coating comprises
- a) optionally a layer 1 comprising or consisting of at least one of tin oxide, tin hydroxide or tin oxide hydrate,
- b) a layer 2 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate, and
- c) a layer 3 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate,
- at least one of layers 2 and 3 comprises at least two different metal ions and layers 2 and 3 are interrupted by a spacer layer.
1 more element
Dependencies are inferred from the claim text.