Method for preparing graphite film
US9221683B1 · kind B1 · utility
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18Claims
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Key dates
| Filing date | Mar 5, 2015 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Mar 5, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B32/205
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
There is provided a method for preparing a graphite film by using a single continuous heater, the method including: converting a polymer film to a carbonized film by introducing the polymer film into a first heater having a first temperature section; and converting the carbonized film to the graphite film by introducing the carbonized film into a second heater having a second temperature section where a temperature linearly increases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.