UV-curable composition for optical discs and optical disc

An optical disc, comprising:

• a substrate;
• a light-reflecting layer, disposed above the substrate;
• an information recording layer, disposed above the light-reflecting layer;
• a light-transmitting layer, disposed above the information recording layer;
• and
• a hard coat layer as an outermost layer, disposed above the light transmitting layer,
• wherein information is read from or recorded onto the optical disc with a blue laser beam incident from the hard coat layer side, and the hard coat layer is formed of a cured product of a UV-curable composition,
• wherein the UV-curable composition comprises a fluorine-containing UV-curable resin containing a poly(perfluoroalkylene ether) chain and a UV-curable group, and
• wherein the fluorine-containing UV-curable resin is a fluorine-containing UV-curable resin obtained by allowing a polymer (P1), which is obtained by copolymerizing a compound (d1) having a structural segment including a poly(perfluoroalkylene ether) chain having radically polymerizable unsaturated groups at both ends and a radically polymerizable unsaturated monomer (d2) having a reactive functional group (R1) as essential monomer components, to react with a compound (d3) having a functional group (R2) reactive to the functional group (R1) and a UV-curable group.