Process for applying a coating to coiled metal sheet
US7438954B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2004 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Dec 15, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2252/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing a coated metal sheet coil comprising the coating of the metal sheet with a curable composition comprising an (meth)acrylated oligomer which is the reaction product of a carboxyl functionalized polybutadiene comprising x equivalents of —COOH groups with (i) y equivalents of one or more (meth)acrylated monoepoxides or (ii) a mixture of z equivalents of one or more polyepoxides and at least (z-x) equivalents of an α,β-unsaturated carboxylic acid; with z>x and y≧x.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.