Non-fluorinated water-based superhydrophobic surfaces
US9803100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2013 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Nov 14, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2164
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A superhydrophobic surface includes a substrate treated with a non-fluorinated composition, the composition including a hydrophobic component free of fluorine; a filler particle; and water, wherein the composition is at a pH greater than 7, and wherein the hydrophobic component is in an aqueous dispersion. The superhydrophobic surface alternatively includes a substrate treated with a non-fluorinated composition, the composition including a hydrophobic polymer free of fluorine; an exfoliated graphite filler particle including acid functional groups; water; and a stabilizing compound, wherein the composition is at a pH greater than 7, and wherein the hydrophobic polymer is in an aqueous dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.