Curable polyurethanes, coatings prepared therefrom, and method of making the same
US6624276B2 · kind B2 · utility
35Cited by
27References
60Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2001 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Sep 21, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31551
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyurethane material, the coatings prepared therefrom, and methods of making the same are provided. An anionic self-crosslinkable polyurethane material has a weight average molecular weight of less than 15,000 grams per mole and, when cured, has a toughness of at least 20 MPa according to TOUGHNESS TEST METHOD at a temperature of 25° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.