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US 2020/0369529 A1Published application
Mechanochemical synthesis of rare earth sulfides
AssigneeRhodia Operations
InventorsLauriane d'ALENCON, Thierry LE MERCIER, Marc-David BRAIDA, Jacinthe GAMON, Philippe BARBOUX
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Abstract
The present invention pertains to a process for preparing particles of rare earth sulfide comprising the steps of:—preparing a reaction mixture comprising at least one compound comprising at least one rare earth element (A) and at least one alkali metal sulfide (B),—submitting said reaction mixture to a mechanical stress so as to cause a chemical reaction that produces the particles of rare earth sulfide.
Claims14
A process for preparing particles of rare earth sulfide comprising the steps of:
- preparing a reaction mixture comprising at least one compound comprising at least one rare earth element (A) and at least one alkali metal sulfide (B),
- submitting said reaction mixture to a mechanical stress so as to cause a chemical reaction that produces the particles of rare earth sulfide.
Dependencies are inferred from the claim text.