| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an active energy ray-curable resin composition having high refractive index and crack resistance after curing.SOLUTION: There is provided an active energy ray-curable resin composition forming an intermediate layer arranged between information recording layers of an optical information recording medium having a plurality of information recording layers, containing a mono functional (meth)acrylate compound such as o-phenylbenzyl (meth)acrylate, o-phenylphenoxyethyl acrylate or the like as an active energy ray-curable compound, having an elasticity modulus of a cured film at 75°C of 1000 MPa or less, and high refractive index and crack resistance are achieved by a composition having the content of a polyfunctional (meth)acrylate compound having 3 or more (meth)acryloyl groups in the active energy ray-curable compound contained in the active energy ray-curable resin composition of 20 mass% or less.</p> |
