Process for making crosslinkable polyurethane/acrylic hybrid dispersions
US9963613B2 · kind B2 · utility
1Cited by
3References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 18, 2015 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Sep 18, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D133/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a new process of preparation for PUA with superior mechanical performance, such as elongation, and tensile strength. The process is solvent free, smooth, and robust. PU prepolymer prepared according to the present invention has low viscosity, and contains no particulate DMPA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.