Photopolymerizable printing plates with top layer for producing relief printing plates

US6355395B1 · kind B1 · utility

Assignee

• BASF Drucksysteme GmbH · DE

Inventors

• Thomas Zwez · Karlsruhe, DE
• Stefan Wegener · Saulheim, DE

Key dates

• Filing date: Dec 13, 1999
• Grant date: Mar 12, 2002
• Expiry date: Dec 13, 2019

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F7/033
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A photopolymerizable printing plate has a dimensionally stable support, a photopolymerizable layer, a top layer located thereon comprising two mutually incompatible, elastomeric block copolymers, and a protective sheet. Disclosed are processes for producing such a photopolymerizable printing plate, processes for producing relief printing plates, especially flexographic printing plates, and also relief printing plates having ink cells in the relief surface.