Polyurethane-silica composite-based coating composition, polyurethane-silica composite film, and method of preparing the same
US11299640B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | May 22, 2019 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Feb 10, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/011
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a coating composition which includes: polyurethane; and amphiphilic silica nanoparticles having an amine functional group and a fluorine functional group in their structure. Further provided are a polyurethane-silica composite film including the coating composition and a method of preparing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.