Graphene composite material and preparation method thereof
US11149129B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2018 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Feb 26, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L77/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a graphene composite material and a preparation method thereof. By adding pleated graphene oxide microspheres and a catalyst to a precursor, the pleated graphene oxide microspheres are allowed to be highly dispersed and gradually disassociated into single-layer graphene oxide sheets during the process of polycondensation, the partially esterified molecules react with the hydroxyl and carboxyl group on the surface of graphene oxide sheets to form a chemical bond, and the graphene oxide is thermally reduced, to finally obtain a composite material comprising PET and graphene sheets having PET grated to the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.