Production of fine particle copper powders

B - Operations – Transporting – 22 – F

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B22F 9/24 (2006.01) B22F 1/00 (2006.01) C22C 1/04 (2006.01)

Patent

CA 2604726

A process for producing sub-micron-sized copper powder comprising the steps of: providing a precursor composition comprising a solution of copper monoethanolamine complex; and heating the precursor composition to a temperature wherein copper monoethanolamine complex is converted to copper powder. A process for producing nickel powder comprising the steps of: providing a precursor composition comprising a solution of nickel monoethanolamine complex; and heating the precursor composition to a temperature wherein nickel monoethanolamine complex is converted to nickel powder.

L~invention concerne un procédé destiné à produire une poudre de cuivre de particules submicroniques comprenant les étapes consistant à : fournir une composition de précurseur comprenant une solution d~un complexe de cuivre et de monoéthanolamine ; et chauffer la composition de précurseur à une température à laquelle le complexe de cuivre et de monoéthanolamine est converti en poudre de cuivre. L~invention concerne un procédé destiné à produire une poudre de nickel comprenant les étapes consistant à : fournir une composition de précurseur comprenant une solution d~un complexe de nickel et de monoéthanolamine ; et chauffer la composition de précurseur à une température à laquelle le complexe de nickel et de monoéthanolamine est converti en poudre de nickel.

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