G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/027 (2006.01) G03F 3/10 (2006.01) G03F 7/11 (2006.01)
Patent
CA 2096216
Abstract of the Disclosure Process for the Production of a Multicolored Image, and Photosensitive Material for Carrying out this Process The invention relates to a photosensitive material for the production of color proofing films for multicolor printing comprising: A) a transparent, flexible film support, B) a photopolymerizable layer containing: B1) a polymeric binder, B2) a free radical-polymerizable compound, B3) a compound which is capable of initiating the polymerization of (B2) on exposure to actinic light, and B4) a dye or colored pigment in a primary color of multicolor printing, and C) a thermoplastic adhesive layer on the photosen- sitive layer, which contains at least about 1.5% by weight of a water-soluble, colorless, low-molecular-weight salt whose aqueous solution is not highly acidic. The material is processed by lamination onto an image- receiving material, exposure and peeling apart of the film support and the image-receiving material, the unexposed areas of the layer and the adhesive layer remaining on the image-receiving material. The addition of the salt to the adhesive layer substantially reduces the adhesion between this layer and the exposed areas of the photopolymerizable layer.
Gramm Ine
Hilger Manfred
Maerz Karin
Mohr Dieter
Platzer Stephan J.w.
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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