CARBON NANOTUBE AGGREGATE AND PRODUCTION METHOD OF THE SAME

PROBLEM TO BE SOLVED: To provide a carbon nanotube aggregate excellent in dispersibility and to provide a method for producing the above carbon nanotube aggregate, in particular, a carbon nanotube aggregate comprising a single to several layers and having a high graphite structure that forms a firm...

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Bibliographic Details
Main Author HIGUCHI KAZUYOSHI
Format Patent
LanguageEnglish
Published 22.10.2009
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:PROBLEM TO BE SOLVED: To provide a carbon nanotube aggregate excellent in dispersibility and to provide a method for producing the above carbon nanotube aggregate, in particular, a carbon nanotube aggregate comprising a single to several layers and having a high graphite structure that forms a firm bundle, through a more easily treatment process with a high yield. SOLUTION: The production method of a carbon nanotube aggregate is characterized in that a crude carbon nanotube aggregate containing carbon impurities is subjected to an oxidation treatment until the carbon nanotube aggregate shows weight reduction of not more than 5 wt.% when left to stand in an air atmosphere at 500°C for 3 hours. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20080087239