To provide a photocurable composition whereby it is possible to obtain a cured product provided with both release property and high refractive index, and a process whereby it is possible to produce a molded product having a high refractive index and having on its surface a fine pattern having a reverse pattern of a mold precisely transferred.
A photocurable composition comprising from 61 to 90 mass% of a compound (A) having a refractive index of at least 1.55 at a wavelength of 589 nm before curing and having at least two (meth)acryloyloxy groups, from 2 to 15 mass% of a compound (B) having fluorine atoms and at least one carbon-carbon unsaturated double bond (provided that the compound (A) is excluded), from 5 to 35 mass% of a compound (C) having one (meth)acryloyloxy group (provided that the compound (B) is excluded), and from 1 to 12 mass% of a photopolymerization initiator (D) (provided (A)+ (B)+ (C)+(D)=100 mass%).
                            提供一种光固化组合物,通过该组合物可以获得既具有脱模性又具有高折射率的固化产品;还提供一种工艺,通过该工艺可以生产出具有高折射率的模制产品,该模制产品的表面具有精确转印模具反向图案的精细花纹。
一种光固化组合物,包含 61 至 90 质量%的化合物 (A),其折射率至少为 1.55 的化合物 (A),该化合物在固化前波长为 589 纳米时的折射率至少为 1.55,并具有至少两个 (甲基)
丙烯酰氧基;2 至 15 质量%的化合物 (B),该化合物具有
氟原子和至少一个碳碳不饱和双键(但不包括化合物 (A))、5 至 35 质量%的具有一个(甲基)
丙烯酰氧基的化合物 (C)(前提是不包括化合物 (B)),以及 1 至 12 质量%的光聚合
引发剂 (D)(前提是 (A)+ (B)+ (C)+(D)=100 质量%)。