The (meth)acrylate resin cured product of the present invention is
produced by ultraviolet-curing and/or heat-curing a (meth)acrylate
derivative. The (meth)acrylate resin cured product contains a skeletal
structure represented by the following formula 1: ##STR00001## in a high
content to exhibit high gas barrier properties and a good adhesion to
various substrate materials.