Process for preparing nanosize metal oxide powders

Details Process for preparing nanosize metal oxide powders Process for preparing nanosize metal oxide powders

C - Chemistry, Metallurgy

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C01B 13/32 (2006.01) B01J 23/10 (2006.01) B01J 35/00 (2006.01) B01J 37/00 (2006.01) B22F 1/00 (2006.01) B22F 9/30 (2006.01) C01B 13/14 (2006.01) C01B 13/18 (2006.01) C01F 17/00 (2006.01) C01G 23/047 (2006.01) C01G 23/053 (2006.01) C01G 25/00 (2006.01) C01G 25/02 (2006.01)

Patent

CA 2340096

Disclosed is a process for preparing nanoscale metal-based powders from a metal salt and an amphiphilic copolymer containing ethylene oxide. The copolymer and metal salt are mixed to form a metal salt/copolymer paste which is then calcined at a temperature sufficient to remove water and organics and to form a metal oxide.

L'invention concerne un procédé pour préparer des poudres métalliques à base de métaux à l'échelle du nanomètre à partir d'un sel métallique et d'un polymère amphiphile contenant de l'oxyde d'éthylène. Le copolymère et le sel métallique sont mélangés pour former un mélange sel métallique / copolymère, qui est ensuite calciné à une température suffisante pour en évacuer l'eau et les substances organiques afin de former un oxyde métallique.

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