The UV curable monomers used in this study were of technical grade—1,6-hexanediol diacrylate (HDDA), 1,1,1-trimethylolpropane acrylate (TMPTA), isobornyl acrylate (IBOA), 2-hydroxyethyl acrylate (HEA), 2-hydroxyethyl methacrylate (HEMA), 2-phenoxiethyl acrylate (PHEA), and isodecyl acrylate ...