Photopolymerizable dispersions and elements containing nonmigratory photoreducible dyes

Abstract

Abstract A PHOTOPOLYMERIZABLE DISPERSION AND LAYERS COMPRISING A CONTINUOUS PHASE WITH AN ORGANIC MACROMOLECULAR POLYMER DISPERSION MEDIUM (E.G., GELATIN) AND A DISPERSED PHASE INCLUDING AN ADDITION POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND (E.G., A MONOMER SUCH AS PENTAERYTHRITOL TRIACRYLATE, AND AT LEAST ONE OF THE INGREDIENTS OF A COLOR IMAGE-YIELDING COMPOSITION (E.G., A PHOTOGRAPHIC COLOR FORMER) IN REACTIVE ASSOCATION WITH A PHOTOINITIATOR MIXTURE COMPRISING (A) A NONMIRGRATORY, PHOTOREDUCIBLE DYE, E.G., METHYLENE BLUE HAVING THE FOUR METHYL RADICALS REPLACED BY BUTYL RADICALS, AND (B) A FREE-RADICAL PRODUCING AGENT, E.G., N-PHENYLGLYCINE.

Inventors

• 👤 Catherine The-Lin Chang
• 👤 Peter Walker

Bibliographic Details