Patent ID: 7727610

Claim:
A composition for protective films containing a UV-curable acrylic radical-based resin as a main component, comprising: a multifunctional acrylic monomer, a multifunctional aromatic acrylic oligomer and a bifunctional acrylic monomer containing repeating units including at least one of an ethoxy and a propoxy group as starting materials for the acrylic radical-based resin; and a photoinitiator, 4 parts by weight or more and 10 parts by weight or less of the multifunctional acrylic monomer, 10 parts by weight or more and 36 parts by weight or less of the multifunctional aromatic acrylic oligomer and 60 parts by weight or more and 80 parts by weight or less of the bifunctional acrylic monomer in 100 parts by weight of the starting materials for the acrylic radical-based resin and further comprising 5 parts by weight or more and 10 parts by weight or less of the photoinitiator wherein the composition has a viscosity of 20 mPa·s or more and less than 50 mPa·s.