PHOTOPOLYMERIZABLE MIXTURE AND PHOTOPOLYMERIZABLE COPYING MATERIAL PREPARED BY USE OF SAME MIXTURE

摘要

This invention relates to an improvement in a photopolymerizable mixture which contains, as the essential constituents, (a) a polymeric binder, (b) a photoinitiator, and (c) a polyester of an alpha , alpha '-bis-methylene-dicarboxylic acid and a dihydroxy compound.