HIGH-GLOSS MULTILAYER EFFECT PIGMENTS HAVING A NARROW SIZE DISTRIBUTION, AND METHOD FOR THE PRODUCTION THEREOF

• Main Authors: GRUENER MICHAEL, SCHUMACHER DIRK, KAUPP GUENTER
• Format: Patent
• Language: English
• Published: 03.11.2011
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; PERFORMING OPERATIONS; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; REFRACTORIES; SLAG; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; TREATMENT OF NATURAL STONE

Multilayer pearlescent pigments based on platelet-shaped transparent substrates with an optically active coating, where the optically active coating includes at least a) a nonabsorbing high-index layer A having a refractive index n 1.8, b) a low-index layer B having a refractive index n<1.8 havin...