Method for separating and collecting carbon nanotube, and carbon nanotube
US8715607B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2011 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Mar 3, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/8863
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Metallic CNTs and semiconducting CNTs are efficiently separated from a CNT mixture of these CNTs, and semiconducting CNTs are separated by structure by using a method that enables separation in high yield in a short time period while conveniently enabling mass processing and automatic processing with inexpensive equipment.Multiple columns charged with gel are connected in series, and excess amounts of a CNT dispersion is passed through the columns to adsorb only the CNTs of a specific structure on the columns. The CNTs are then eluted with an elution to separate CNTs of different structures with high accuracy. The present technique represents a method that conveniently enables mass processing and automatic processing at high yield in a short time period with inexpensive equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.