Corrosion resistant dry film lubricants
US11572521B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Nov 12, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A corrosion-resistant dry film lubricant composition includes a lubricating pigment, a binder, and a solvent. The lubricating pigment comprises graphene platelets and is dispersed in the binder, and the solvent solubilizes the lubricant pigment and the binder. The graphene platelets are oxidized and functionalized with a silane. A method of producing a corrosion-resistant lubricant includes oxidizing exfoliated graphene to produce oxidized graphene platelets, functionalizing the oxidized graphene platelets with a silane to produce functionalized graphene platelets, and dispersing the functionalized graphene platelets in a lubricant composition, wherein the lubricant composition comprises a binder and a solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.