G - Physics – 03 – F
Patent
G - Physics
03
F
96/161
G03F 7/016 (2006.01) G03F 7/021 (2006.01) G03F 7/09 (2006.01)
Patent
CA 1284912
ABSTRACT OF THE DISCLOSURE Disclosed is a light-sensitive recording material for use in the manufacture of planographic printing plates, which comprises in its light-sensitive layer, a condensation product comprising recurrent diazonium salt units and diazonium-group free units of compounds which are capable of condensation with an active carbonyl compound, and which especially include aromatic amines, phenols, phenol ethers, aromatic thioethers, aromatic hydrocarbons, aromatic hetero- cyclic compounds or organic acid amides, and a binder which includes a water-insoluble polymer which is soluble in aqueous-alkaline solutions. The recording material includes a covering layer on the light- sensitive layer which comprises a water-insoluble polymer and is produced by coating the light-sensitive layer with a stable aqueous dispersion of the water- insoluble polymer. The material yields printing plates in which ink receptivity and print run are improved.
490457
Michel Manfred
Sprintschnik Gerhard
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Michel Manfred
Sprintschnik Gerhard
LandOfFree
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