New process for large-scale production of monodisperse...

Details New process for large-scale production of monodisperse... New process for large-scale production of monodisperse...

B - Operations, Transporting

22

F

B22F 9/24 (2006.01) B22F 1/00 (2006.01)

Patent

CA 2588452

A process for making nanoparticles of metals, metal aloys, metal oxides and multi-metallic oxides, which comprises the steps of: a) reacting a metal salt dissolved in water with an alkali metal salt of C4-25 carboxylic acid dissolved in an first solvent selected from the group consisting of C5-10 aliphatic hydrocarbon and C6-10 aromatic hydrocarbon to form a metal carboxylate complex and b) heating said metal carboxylate complex dissolved in a second solvent selected from the group consisting of C6-25 aromatic, C6-25 ether, C6-25 aliphatic hydrocarbon and C6-25 amine to

Procédé de fabrication de nanoparticules de métaux, d'alliages métalliques, d'oxydes métalliques et d'oxydes multimétalliques, lequel comprend les étapes de : a)mise en réaction d'un sel métallique dissous dans de l'eau avec un sel de métal alcalin d'un acide carboxylique C4-25 dissous dans un premier solvant sélectionné dans le groupe constitué d'un hydrocarbone aliphatique C5-10 et d'un hydrocarbone aromatique C6-10 afin d'obtenir un complexe de carboxylate métallique et b) chauffage dudit complexe de carboxylate métallique dissous dans un second solvant sélectionné dans le groupe constitué d'un hydrocarbone aromatique C6-25, d'un éther C6-25, d'un hydrocarbone aliphatique C6-25 et d'une amine C6-25 afin d'obtenir les nanoparticules.

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