Photopolymerizable recording material

US5922508A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Rudolf Zertani · Mainz, DE
• Dieter Mohr · Appenheim, DE
• Werner Frass · Wiesbaden, DE

Key dates

• Filing date: Nov 25, 1997
• Grant date: Jul 13, 1999
• Expiry date: Nov 25, 2017

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F7/092
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The invention describes a photopolymerizable recording material which comprises a photopolymerizable layer and a cover layer. The cover layer comprises a polymer which possesses low permeability to atmospheric oxygen and is soluble in water, and a water-soluble dye which absorbs light in the region from 300 to 700 nm and within this range has a non-absorbent region corresponding to the emission range of the copying light source. The material can be sensitized for various spectral regions, for example, for UV light, visible light or laser light and has a higher resolving power than a corresponding material which does not contain a dye in the cover layer, while its photosensitivity remains unchanged or is only slightly reduced.