Process for preparing a carbon nanotube sheet comprising a uniaxially aligned yarn and carbon nanotube sheet prepared thereby
US11453591B2 · kind B2 · utility
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1References
18Claims
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Key dates
| Filing date | Oct 29, 2019 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Mar 30, 2040 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F9/127
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a process for preparing a carbon nanotube sheet, which comprises forming carbon nanotubes; aggregating the carbon nanotubes to form a yarn; treating the yarn with a solvent to enhance the aggregation force; winding the solvent-treated yarn to prepare a sheet preform having a structure in which one yarn is continuously wound; and cutting and/or pressing the sheet preform to prepare a carbon nanotube sheet that comprises an arrangement structure in which one or a plurality of yarns are uniaxially aligned, and a carbon nanotube sheet prepared thereby.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.