Photopolymerizable mixture and recording material produced therefrom

US4983498A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Klaus Rode · Treuchtlingen, DE
• Dieter Mohr · Appenheim, DE
• Werner Frass · Wiesbaden, DE

Key dates

• Filing date: Mar 23, 1988
• Grant date: Jan 8, 1991
• Expiry date: Mar 23, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/116
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A photopolymerizable mixture is disclosed comprising: PA0 (a) a polymeric binder, PA0 (b) an acrylate or alkacrylate of a polyhydric alcohol containing one or more groups which are photooxidizable on exposure in the presence of the photoreducible dye, and one or more urethane groups, PA0 (c) a photoreducible dye as photoinitiator, PA0 (d) a trihalomethyl compound which can be cleaved by irradiation, and PA0 (e) an acridine or phenazine compound which is active as a photoinitiator. The mixture is suitable for the production of printing plates and photoresists and is distinguished by increased photosensitivity.