Catalyst-containing coating to promote rapid curing of polyurethane lacquers
US4891248A · kind A · utility
16Cited by
2References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1989 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Feb 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a process for promoting the rapid curing of a two component polyurethane lacquer that has been applied to a substrate. A cure coat composition consisting of a hydroxy functional polymer such as nitrocellulose, a solvent for the polymer, and a urethane catalyst such as an organic tin compound, is applied over the polyurethane lacquer while it is in a wet or semi-dry state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.