Patent · US Active

Polyurethane-silica composite-based coating composition, polyurethane-silica composite film, and method of preparing the same

US11873419B2 · kind B2 · utility

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4Claims
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Key dates

Filing dateMar 7, 2022
Grant dateJan 16, 2024
Priority date
Expiry dateMar 7, 2042

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 nanoparticles having an amine functional group and a fluorine functional group in their structure. Further provided are a polyurethane-silica composite film including e coating composition and a method of preparing the same.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.