Functionalized single walled carbon nanotubes

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 31/02 (2006.01) B82B 1/00 (2006.01) C07K 1/107 (2006.01) C25B 11/12 (2006.01)

Patent

CA 2571575

Graphitic nanotubes, which includes tubular fullerenes (commonly called "buckytubes") and fibrils, which are functionalized by chemical substitution or by adsorption of functional moieties. More specifically the invention relates to single walled carbon nanotubes having diameters than 5 nanometers which are uniformly or non-uniformly substituted with chemical moieties or upon which certain cyclic compounds are adsorbed and to complex structures comprised of such functionalized nanotubes linked to one another. The invention also relates to methods for introducing functional groups onto the surface of such nanotubes. The invention further relates to uses for functionalized single walled carbon nanotubes.

La présente invention se rapporte à des nanotubes de graphite, qui contiennent des fullerènes tubulaires (communément appelés "buckytubes" en anglais) et des fibrilles, et qui sont fonctionnalisés par substitution chimique ou par adsorption de fractions fonctionnelles. Plus précisément, l'invention a trait à des nanotubes de carbone à simple paroi présentant un diamètre inférieur à 5 nanomètres, qui sont uniformément ou non uniformément substitués par des fractions chimiques ou sur lesquels sont adsorbés certains composés cycliques, ainsi qu'à des structures complexes constituées de tels nanotubes fonctionnalisés liés les uns aux autres. L'invention concerne aussi des procédés permettant d'introduire des groupes fonctionnels sur la surface de tels nanotubes. L'invention a également pour objet des procédés d'utilisation desdits nanotubes de carbone à simple paroi fonctionnalisés.

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