In-line ultraviolet curable coating process and products produced thereby
US6649216B2 · kind B2 · utility
2Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2001 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Sep 5, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D3/067
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a method of coating polymer film that includes the steps of extruding a cast sheet; stretching the sheet in a machine direction; applying a UV-curable coating to the sheet in-line; stretching the sheet in a transverse direction in a tenter; and exposing the coated sheet to UV radiation in-line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.