Interference pigments on the basis of perlite flakes

• Main Authors: BUJARD PATRICE, BUGNON PHILIPPE, BAYSANG MARC
• Format: Patent
• Language: English
• Published: 08.07.2014
• Subjects: ADHESIVES; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; CORRECTING FLUIDS; DYES; FILLING PASTES; GLASS; HUMAN NECESSITIES; HYGIENE; INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS; INKS; INORGANIC CHEMISTRY; JOINING GLASS TO GLASS OR OTHER MATERIALS; LIME, MAGNESIA; MEDICAL OR VETERINARY SCIENCE; METALLURGY; MINERAL OR SLAG WOOL; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; PREPARATION OF CARBON BLACK; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; REFRACTORIES; SLAG; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; TREATMENT OF NATURAL STONE; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention relates to pigments, comprising a plate-like substrate of perlite which does not contain 3D twin structure particles contained in milled expanded perlite in an amount of greater than 5% by weight., and (a) a dielectric material, especially a metal oxide, having a high index of...