Reductive functionalization of carbon nanotubes

C - Chemistry – Metallurgy – 01 – B

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C01B 31/02 (2006.01)

Patent

CA 2559508

The present invention is directed to novel processes for the functionalization (derivatization) of carbon nanotubes and, as an extension, to fullerenes and other carbon surfaces. Generally, such processes involve reductive pathways. In some embodiments, carbon nanotubes are reacted with alkali metal and organic halides in anhydrous liquid ammonia. In other embodiments, polymers are grown from carbon nanotube sidewalls by reacting carbon nanotubes with alkali metal and monomer species in anhydrous liquid ammonia.

La présente invention concerne de nouveaux traitements de fonctionnalisation (dérivation) de nanotubes de carbone, et par extension les fullerènes et autres surfaces de carbone. D'une façon générale, de tels traitement impliquent un canal réducteur. Dans certains modes de réalisation, on prend les nanotubes de carbone et on les fait réagir avec un métal alcalin et des halogénures organiques dans l'ammoniac liquide anhydre. Dans d'autres modes de réalisation, pour développer des polymères depuis les parois latérales des nanotubes, on prend les nanotubes de carbone et on les fait réagir avec un métal alcalin et des espèces monomères dans l'ammoniac liquide anhydre.

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