An active energy beam-curable composition is provided, which is excellent in coatability to films and safety, and particularly suitable for use in a light diffusion film since a light diffusion film made of a cured product of the composition is excellent in both haze and total light transmittance. The active energy beam-curable composition comprises an ethylenically unsaturated group-containing compound (A) that contains, as an essential component thereof, a compound having an ethylenically unsaturated group and an aromatic group, and a granular substance (B) that is insoluble in the component (A), in which the subtraction of the refractive index of the component (B) from the refractive index of a cured product of the component (A) alone is not less than 0.03 and not more than 0.18.
本发明提供了一种活性能量光束固化组合物,该组合物具有优异的薄膜涂覆性和安全性,尤其适合用于光扩散膜,因为由该组合物固化产品制成的光扩散膜在雾度和总透光率方面都非常出色。活性能量光束固化组合物包括一种含
乙烯不饱和基团的化合物(A),作为其主要成分,它含有一种具有
乙烯不饱和基团和芳香基团的化合物,以及一种不溶于组分(A)的颗粒物质(B),其中组分(B)的折射率与组分(A)单独固化产物的折射率之减不小于 0.03 也不大于 0.18。