Process for producing single-walled carbon nanotubes with...

Details Process for producing single-walled carbon nanotubes with... Process for producing single-walled carbon nanotubes with...

C - Chemistry, Metallurgy

01

B

C01B 31/02 (2006.01) B01J 20/20 (2006.01)

Patent

CA 2632147

There is provided a process for producing single-walled carbon nanotubes with an increased diameter, characterized in that it comprises a diameter-increasing treatment step of heating carbon nanotubes of a raw material at a degree of vacuum of 1.3 x 10 -2 Pa or below and at a temperature ranging from 1500 to 2000 °C, preferably 1700 to 2000 °C.

La présente invention concerne un procédé de fabrication de nanotube de carbone monocouche de diamètre augmenté, caractérisé en ce qu'il inclut une étape de traitement d'augmentation du diamètre consistant à chauffer un nanotube de carbone en tant que matière première à un degré de vide de 1,3 × 10<SUP>-2</SUP> Pa ou moins et à une température comprise entre 1500 et 2000 °C, de préférence entre 1700 et 2000 °C.

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