Carbon fiber bundle with adhered sizing agent
US12428778B2 · kind B2 · utility
0Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2021 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Oct 18, 2042 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A carbon fiber bundle having a high abrasion resistance property and simultaneously being excellent in widening property is provided by a carbon fiber bundle with an adhered sizing agent including a carbon fiber bundle, and a sizing agent adhered to a surface of the carbon fiber bundle, wherein the sizing agent contains an epoxy compound, and shows an intersection of a storage modulus and a loss modulus at an angular frequency in the range of 1×105 to 1×109 rad/sec in a measurement at 25° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.