US Patent 7314699 Radiation-sensitive mixture and recording material produced therewith

The present invention relates to a radiation-sensitive mixture which contains an acrylate or methacrylate monomer and/or oligomer capable of free radical polymerization and having at least two acrylate and/or methacrylate groups and at least one photooxidizable group, a photoinitiator, an organic polymeric binder and a heptamethinecyanine dye acting as an IR-absorbing dye. It furthermore relates to a recording material comprising a substrate and a photopolymerizable layer and a process for the production of a printing plate from this recording material. The recording material is distinguished by suitable photosensitivity.