A composition comprising a metal salt and metal powder...

Details A composition comprising a metal salt and metal powder... A composition comprising a metal salt and metal powder...

B - Operations, Transporting

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B22F 9/24 (2006.01) B22F 1/00 (2006.01) B22F 9/30 (2006.01) C01B 13/18 (2006.01) C01B 17/20 (2006.01) C01B 21/06 (2006.01) C01B 31/30 (2006.01) C01F 1/00 (2006.01) C01G 1/00 (2006.01) C01G 25/02 (2006.01) C04B 35/622 (2006.01)

Patent

CA 2296082

Disclosed is a composition of an essentially solid phase state having as components, a liquid hydrophilic organic polymer, an aqueous salt solution containing at least one metallic or metalloid element, and a coagulating agent. The composition on calcination provides a metal-containing powder having an average particle size of 1 micrometer or less. Such metal-containing powders are of value in the preparation of industrial catalysts, ceramics, electronic components, or as fillers in plastics, paints or cosmetics.

L'invention a trait à une composition à l'état de phase sensiblement solide comportant un polymère organique hydrophile liquide, une solution saline aqueuse contenant au moins un élément métallique ou métalloïde et un agent de coagulation. Une fois calcinée, cette composition fournit une poudre contenant du métal dont la taille moyenne des particules est égale ou inférieure à 1 micromètre. Ces poudres se révèlent utiles pour préparer des catalyseurs industriels, des céramiques, des composants électroniques ou en tant que matières de charge pour plastiques, peintures ou des produits cosmétiques.

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