High performance coatings
US10745585B2 · kind B2 · utility
0Cited by
33References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2016 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Feb 5, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31794
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to coatings, particularly high performance coatings, containing a polyester polyol comprising recurring units derived from a polyacid source, poly(bisphenol-A carbonate) (PBAC), and a glycol. The PBAC is preferably recycled poly(bisphenol-A carbonate) (rPBAC). These coatings provide improved salt spray and stain resistance along with a variety of other coating performance attributes. The polyols can contain a significant recycle and biobased content, making them sustainable alternatives to petroleum based polyols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.