Method for processing carbon fiber bundle
US12043955B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jul 29, 2022 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Oct 20, 2042 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a method for processing a carbon fiber bundle, which can adjust bundling property, winding property and wear resistance of sizing fibers. The method includes following steps: (i) coating a sizing agent on at least one carbon fiber bundle, in which the sizing agent includes a thermoplastic resin; (ii) drying the carbon fiber bundle by hot air; and (iii) heating the carbon fiber bundle by an infrared light, in which a heating temperature of the heating is equal to or higher than a melting point of the thermoplastic resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.