METHOD FOR PRODUCING RARE EARTH OXYSULFIDE, RARE EARTH OXYSULFIDE, AND REGENERATOR MATERIAL

• Main Authors: NAMAKI Eiji, KURIIWA Takahiro
• Format: Patent
• Language: English; French; Japanese
• Published: 16.03.2017
• Subjects: ADHESIVES; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; CONCRETE; DYES; INORGANIC CHEMISTRY; LIME, MAGNESIA; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

Provided are: a method for producing a rare earth oxysulfide, the method including a step (1) for obtaining a mixture A by mixing a sulfate ion source, a solvent, and a rare earth oxide that includes a rare earth element R in a mixture ratio (molar ratio) such that the amount of sulfate ion per mol...