Combination primer/topcoat coating
US4885324A · kind A · utility
12Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1989 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Mar 28, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2150/90
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A coating for metallic or polymeric composite substrates is disclosed which erforms both as a primer and as a topcoat. It comprises a two component aliphatic polyurethane binder, with titanium dioxide, zinc molybdate, zinc phosphate, an organo-zinc salt, and titanium dioxide vesiculated bead pigments in controlled amounts. The coating exhibits good adhesion, corrosion inhibition, flexibility, chemical and weather resistance, and opacity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.