Photosensitive resin plate for flexography
US5006447A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1989 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Apr 13, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a photosensitive resin plate for flexographic printing, comprising; PA0 (A) a substrate comprising a polyester film and a polyurethane or polyolefin foam layer on one side of said polyester film; PA0 (B) an adhesive layer on the foam layer of said substrate; PA0 (C) a polyurethane layer on said adhesive layer; PA0 (D) a photosensitive layer which is provided on the polyurethane layer and is chemically bonded with the polyurethane layer, comprising a polymer having rubber elasticity, addition polymerizable unsaturated monomer and a polymerization initiator; PA0 (E) a slip layer on the photosensitive layer which is dissolved with a developing solution; and PA0 (F) a protective layer on the slip layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.