Catalyst supports and carbon nanotubes produced thereon

Details Catalyst supports and carbon nanotubes produced thereon Catalyst supports and carbon nanotubes produced thereon

C - Chemistry, Metallurgy

01

B

C01B 31/02 (2006.01) B01J 21/04 (2006.01) B01J 27/232 (2006.01) C01B 3/00 (2006.01) C01B 3/26 (2006.01) D01F 9/127 (2006.01) H01L 51/30 (2006.01) B01J 23/74 (2006.01)

Patent

CA 2451080

The present invention is related to single and/or multiple-wall carbon nanotubes which may contain interstitial metals obtainable by a preparation process, comprising a catalytic step using a catalytic system, said catalytic system comprising a catalyst and a support, said support comprising hydroxides and/or carbonates or mixtures thereof with or without metal oxides. The present invention is also related to carbon fibres obtainable by said preparation process. The present invention also pertains in particular to said catalytic system and to said preparation process. Another aspect concerns the use of the nanotubes and of the catalytic system according to the invention.

La présente invention concerne des nanotubes de carbone à paroi simple et/ou multiple, qui peuvent contenir des métaux interstitiels obtenus par un procédé de préparation. Le procédé de préparation comprend une étape catalytique utilisant un système catalytique, lequel comprend un catalyseur et un support. Le support contient des hydroxydes et/ou des carbonates, ou leurs mélanges, avec ou sans oxydes métalliques. L'invention concerne également des fibres de carbone pouvant être obtenues par ce procédé de préparation. Elle concerne en outre, en particulier, ledit système catalytique et ledit procédé de préparation. Un autre aspect se rapporte à l'utilisation des nanotubes et du système catalytique conformément au procédé de l'invention.

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