Water dilutable UV-curable polyurethane
US9260558B2 · kind B2 · utility
1Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | Jan 29, 2009 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Apr 15, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31605
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A water dilutable UV-curable polyurethane containing alkylene oxide groups, the polyurethane being obtained from components comprising at least: (i) 1 to 25 wt. % of at least one polyisocyanate; (ii) 0 to 80 wt. % of at least one hydroxyl functional compound containing alkylene oxide groups; (iii) 10 to 90 wt. % of at least one hydroxyl functional compound containing at least one polymerizable unsaturated (meth)acryloyl functional group per molecule; and (iv) 0 to 50 wt. % of at least one isocyanate-reactive compound not comprised by (ii) or (iii); wherein the sum of (i) to (iv) is 100%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.