PRODUCTION METHOD OF PEARLESCENT PIGMENT HAVING HIGH BRILLIANCE AND PEARLESCENT PIGMENT PRODUCED BY THE PRODUCTION METHOD

PROBLEM TO BE SOLVED: To provide an optimum method for covering a sufficiently thin flake substrate having 100-2,000 μm, preferably, 200-1,500 μm particle size with a metallic oxide having high refractive index, so as to reduce production time. SOLUTION: The pearlescent pigment is obtained by smooth...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI FUKUJI, ADACHI MAOYA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES HUMAN NECESSITIES HYGIENE INKS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an optimum method for covering a sufficiently thin flake substrate having 100-2,000 μm, preferably, 200-1,500 μm particle size with a metallic oxide having high refractive index, so as to reduce production time. SOLUTION: The pearlescent pigment is obtained by smoothly covering a flake substrate having 100-2,000 μm particle size and 0.1-1 μm thickness with an iron compound, wherein a specified amount of divalent anion is added to slurry or an iron salt solution by a method based on the neutralization titration method. COPYRIGHT: (C)2007,JPO&INPIT