There are provided a radical polymerizable composition having a low viscosity suitable for coating, a cured product obtained by curing the composition, the cured product having a high refractive index and high toughness and being not easily cracked or chipped when cutting, and a plastic lens obtained by curing the composition. A radical polymerizable composition includes phenylbenzyl(meth)acrylate (A), a urethane(meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.
提供了一种适用于涂层的低粘度的基础聚合物组合物,以及通过固化该组合物获得的固化产物,该固化产物具有高折射率和高韧性,在切割时不容易裂开或削掉,并通过固化该组合物获得的塑料透镜。基础聚合物组合物包括苯基苄基(甲基)
丙烯酸酯(A),具有分子结构中芳香环的聚
氨酯(甲基)
丙烯酸酯(X)和自由基聚合
引发剂(Y)作为必要组分。