Title:
METHOD FOR MANUFACTURING PURIFIED CARBON TUBE ENCAPSULATING METAL
Document Type and Number:
Japanese Patent JP2003286016
Kind Code:
A
Abstract:
To provide a method for removing impurities from a crude product containing carbon tubes encapsulating metal by an easy method and for manufacturing high purity carbon tubes encapsulating metal.
The purified carbon tubes encapsulating metal are manufactured by suspending a crude product containing nanoscale carbon tubes encapsulating metal in a solvent to prepare a suspension (which may contain a surfactant), irradiating the suspension liquid with ultrasonic waves, separating the supernatant containing carbon tubes encapsulating metal in a static state, and separating carbon tubes encapsulating metal from the separated supernatant.
Inventors:
NISHINO HITOSHI
NISHIDA RYOICHI
MIYAYASU ATSUSHI
NISHIDA RYOICHI
MIYAYASU ATSUSHI
Application Number:
JP2002089727A
Publication Date:
October 07, 2003
Filing Date:
March 27, 2002
Export Citation:
Assignee:
OSAKA GAS CO LTD
International Classes:
C01B31/02; (IPC1-7): C01B31/02
Attorney, Agent or Firm:
Eiji Saegusa (8 others)