Aqueous based polyurethane/acrylate hybrid dispersions
US10550284B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Jul 14, 2017 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Nov 19, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2170/80
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Embodiments described herein provide a coating composition including an aqueous acrylic/polyurethane dispersion. The aqueous acrylic/polyurethane dispersion is produced from at least one isocyanate component, a polyol mixture, and at least one acrylate solvent. The polyol mixture includes a polyester polyol and at least two different oleo-based polyols. The coating composition exhibits improved chemical resistance without sacrificing other properties, such as hardness and abrasion resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.