Composites of thermosetting resins and carbon fibers having polyhydroxyether sizings
US6020063A · kind A · utility
18Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1998 |
| Grant date | Feb 1, 2000 |
| Priority date | — |
| Expiry date | Jul 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Composite material having carbon fibers embedded in a polymeric matrix comprising a thermoset resin, where the carbon fibers are precoated with a sizing agent comprising a saturated polyurethane or polyhydroxyether before being embedded in the resin. The invention also contemplates processes for making this composite material and intermediate products thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.