PROCESS FOR MANUFACTURE OF A NEGATIVE-WORKING; PRESENSITIZED PLANOGRAPHIC PRINTING PLATE CONTAINING A CONDENSATION PRODUCT OF AN AROMATIC DIAZONIUM SALT

摘要

Hoe 78/K 047 LIGHT-SENSITIVE COPYING MATERIAL BASED ON DIAZONIUM SALT CONDENSATION PRODUCTS AND PROCESS FOR THE MANUFACTURE THEREOF This invention relates to a light-sensitive copying material comprising a coating support and an optically homogeneous lighthardenable coating which contains a condensation product of an aromatic diazonium salt and a water-insoluble macromolecular polymer, wherein the coating is applied from a stable dispersion of the water-insoluble polymer under conditions such that after drying an optically homogeneous coating is formed. The invention also relates to a process for the manufacture of a light-sensitive copying material containing the optically homogeneous lighthardenable coating.