Photopolymerizable mixture exhibiting low oxygen sensitivity for the production of colour proofs

摘要

Photopolymerisable mixture for making colour proofs, which is based on (a) a polymeric binder with salt-forming groups or mixture containing polymer(s) with salt-forming groups, (b) photopolymerisable monomer(s) and (c) a photoinitiator (system), contains NOTLESS 10 wt.% vinyl acetate homo- and/or copolymer (I) with respect to the total mixture. Also claimed are (1) photopolymerisable copying material, comprising a base, a layer of this mixture and a covering film; and (2) a method of making colour proofs from the material.