Light-sensitive mixture and copying material produced therefrom

Details Light-sensitive mixture and copying material produced therefrom Light-sensitive mixture and copying material produced therefrom

G - Physics

03

C

96/160

G03C 1/52 (2006.01) G03F 7/023 (2006.01)

Patent

CA 1151933

\ Hoe 78/K 065 LIGHT-SENSITIVE MIXTURE AND COPYING MATERIAL PRODUCED THEREFROM Abstract of the Disclosure A positive-working light-sensitive copying material, in particular for the preparation of planographic printing plates, is described, the light-sensitive layer of which contains an ester or amide of a o-naphthoquinone diazide-sulfonic or -carboxylic acid, an alkali-soluble, water-insoluble phenolic resin and a condensation product of a hydroxybenzophenone and formaldehyde. The material is distinguished by an increased light-sensitivity.

336717

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