C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/02 (2006.01)
Patent
CA 2570587
The invention relates to a method for selectively producing nanotubes made of carbon ordered by decomposing a gaseous carbon source in contact with at least one solid catalyst in the form of catalyst grains which are made of an alumina porous support provided with a metallic ferrous non-oxidised deposit and whose mean grain-size ranges from 25 µm to 2.5 mm and on which said metallic ferrous deposit covers more than 75 % of the surface of the microscopic alumina support and is embodied in the form of at least one cluster formed by a plurality of metallic agglutinated bulbs.
L'invention concerne un procédé de préparation de nanotubes de carbone ordonné par décomposition d'une source de carbone à l'état gazeux mise en contact d'au moins un catalyseur solide supporté sous forme de grains, dits grains de catalyseur, de support d'alumine poreuse portant un dépôt métallique ferreux non oxydé, de granulométrie moyenne comprise entre 25 ~m et 2,5 mm, sur lesquels le dépôt métallique ferreux couvre plus de 75 % de la surface de la forme macroscopique du support d'alumine et se présente sous la forme d'au moins un amas formé d'une pluralité de bulbes métalliques agglutinés.
Corrias Massimiliano
Kalck Philippe
Serp Philippe
Arkema France
Corrias Massimiliano
Institut National Polytechnique de Toulouse
Kalck Philippe
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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