Patent ID: 7820275

Claim:
A photocurable composition comprising: (a) an epoxy component containing one or more epoxy compounds with from 0 to no more than 5% of the epoxy component being a glycidyl epoxy compound; (b) a (meth)acrylate component containing one or more multifunctional (meth)acrylates comprising trimethylolpropane ethoxylated triacrylate and wherein the one or more methacrylates contain no hydroxyl groups and; (c) a component comprising propoxylated glycerine; (d) a cationic photoinitiator; and (e) a free radical photoinitiator wherein the composition contains at least about 4% by weight and at most 20% by weight of component (b) and about 0.01% to about 10% by weight of component (c) and wherein the composition after cure has a yellow index/inch value of less than 80 .