PARTICULES ENROBEES ET FONCTIONNALISEES, POLYMERE LES CONTENANT, LEUR PROCEDE DE PREPARATION ET LEURS UTILISATIONS

摘要

The present invention relates to a particle comprising a core which comprises an oxide selected from rare earth oxides alone or in a mixture with metal oxides and which is coated with a layer of silica functionalized with a coupling agent comprising at least one chemical function soluble in a hydrophobic solvent, and to a composition comprising at least one such particle. The present invention likewise relates to the method for preparing same and to various uses thereof.