Production of photopolymerized relief printing plates having a non-tacky surface

US5124237A · kind A · utility

Assignee

• BASF SE

Inventors

• Dieter Littmann · Heßheim, DE
• Horst Koch · Havelsee, DE

Key dates

• Filing date: Feb 8, 1990
• Grant date: Jun 23, 1992
• Expiry date: Feb 8, 2010

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F7/40
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A relief printing plate whose photopolymerized relief layer has a non-tacky surface is produced by (1) imagewise exposure of a photopolymerizable relief-forming recording layer which contains one or more polymeric binders containing acid groups, (2) washing out (development) of the unexposed and therefore non-photopolymerized parts of the imagewise exposed relief-forming recording layer with a developer and (3) aftertreatment of the resulting photopolymerized relief layer with a basic aftertreatment solution.