Top coat for metallic island coating system
US6440541B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2000 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Apr 3, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31605
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described is a metallized article, and a method for making the same, comprising a substrate having a polyurethane basecoat disposed thereon and with a layer of electrically discrete metallic islands of a corrosion prone metal disposed on the basecoat. A cross-linked polyurethane top coat, which is bound to an organosilane, preferably an epoxy silane, is disposed on and encapsulates the discrete metallic islands. The organsilane is also bound to the metallic islands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.