Adhesion between carbon fibers and thermoplastic matrix materials in carbon fiber composites by using multifunctional amine and azo compounds as bridging agents
US5106680A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 1990 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | May 8, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Adhesion between carbon fibers and thermoplastic matrix materials, used in carbon fiber composite materials, is promoted by the use of a bridging agent. The composite material includes: a plurality of carbon fibers; a thermoplastic matrix material intermingled among the plurality of carbon fibers; and a bridging agent adhering the plurality of carbon fibers to the thermoplastic matrix material. The bridging agent includes compounds having multifunctional groups that are capable of chemically bonding with a functional group of the carbon fiber and a functional group of the thermoplastic matrix material; but it excludes multifunctional amine compounds having metal-oxygen bonds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.