In a negative acting photoimageable composition comprising an acid functiona l binder polymer, photopolymerizable .alpha.,.beta.-ethylenically unsaturated compounds, and photoinitiator, at least a portion of the photopolymerizable compounds are i socyanate trimers having tri-acrylate functionality. Further, the composition contains a dibenzoate plasticizer.
PHOTOIMAGEABLE COMPOSITIONS CONTAINING PHOTOPOLYMERIZABLE URETHANE OLIGOMERS AND DIBENZOATE PLASTICIZERS