Light-sensitive mixture and copying material prepared...

Details Light-sensitive mixture and copying material prepared... Light-sensitive mixture and copying material prepared...

G - Physics

03

C

96/152

G03C 1/60 (2006.01) G03F 7/004 (2006.01) G03F 7/021 (2006.01) G03F 7/023 (2006.01)

Patent

CA 1183379

Abstract of the Disclosure A light-sensitive mixture, which is composed of a light- sensitive compound, for example, an o-quinone-diazide or a diazonium salt polycondensate, or a light-sensitive combination of compounds, for example, a photolytic acid donor and an acetal compound or orthocarboxylic acid compound which can be cleaved by acid, and of a novolak having halogenated phenol units is described. The mixture is preferably used for the preparation of printing plates, in particular planographic printing plates, which have an improved resistance to aqueous-alkaline developer solutions, gasoline hydrocarbons and fountain solutions con- taining alcohol.

395918

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