Title:
PURIFYING-OPENING METHOD OF CARBON-NANOTUBE IN LIQUID PHASE AND INTRODUCING METHOD OF FUNCTIONAL GROUP
Document Type and Number:
Japanese Patent JP2595903
Kind Code:
B2
Abstract:
PURPOSE: To efficiently and simply produce an opened nanotube and a high quality purified nanotube.
CONSTITUTION: A reaction reagent selected from among an oxidizing agent, a nitration agent and a sulfonating agent and a carbon.nanotube is mixed in a liq. phase to produce a treated carbon.nanotube which is opened by various chemical reactions under moderate conditions, and the nanotubes introduced with various functional groups such as nitro (NO2), sulfoneate (SO3H), carboxyl (COOH), carbonyl (C=O), ether (C-O-C) and phenolic hydroxide (OH) are produced. A carbon impurity other than the carbon.nanotube is decomposed at similar condition to purify the carbon.nanotube.
Inventors:
Hiura English
Ebson thomas
Ebson thomas
Application Number:
JP15319294A
Publication Date:
April 02, 1997
Filing Date:
July 05, 1994
Export Citation:
Assignee:
NEC
International Classes:
C01B31/02; D01F9/12; D01F9/127; (IPC1-7): C01B31/02; C01B31/02; D01F9/127
Domestic Patent References:
| JP748110A |
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)