Method for applying a flocculating coating composition including maintaining turbulent flow conditions during extrusion
US5516557A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1995 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Jan 3, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C5/0254
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process is disclosed for forming a coating from a flocculating coating composition containing pigment particles dispersed in a solution of a film forming binder dissolved in a fugitive liquid carrier, maintaining the coating composition in average shear conditions of at least about 10 reciprocal seconds while transporting the coating composition through an inlet of an extrusion die, through a manifold of the die, through an extrusion slot of the extrusion die and onto a substrate to form a coating layer on the substrate, and rapidly removing the fugitive liquid from the coating while maintaining the coating composition in the coating layer in an undisturbed condition until the coating solidifies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.