Carbon fiber structure and process for producing the same
US5254396A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1991 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Jan 25, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/669
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An infusiblized, or infusiblized and slightly carbonized fiber of optically anisotropic pitch type is combined with a phenolic resin fiber to produce a high bulk density carbon fiber structure in the form of a laminate of mutually entangled carbon fiber sheets with improved handleability of fiber sheets and improved stability of a laminate structure formed through entanglement. A high flexural strength carbon-carbon composite material with a high volume fiber content is produced by impregnation with a precursor of carbon and subsequent carbonization of the carbon fiber structure of the kind as described above or a fiber laminate of mutually entangled sheets of the infusiblized, or infusiblized and slightly carbonized fiber of optically anisotropic pitch type blended with the phenolic resin fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.