A composite article comprising: a substrate; a multilayer barrier assembly bonded to the substrate, the multilayer barrier assembly comprising: a base polymer layer adjacent to the substrate, wherein the base polymer layer comprises a polymerized reaction product of polymerizable components comprising at least one di(meth)acrylate represented by the formula wherein: each R 1 independently represents H or methyl; each R 2 independently represents an alkyl group having from 1 to 4 carbon atoms, or any two geminal R 2 groups may together form an alkylene group having from 2 to 7 carbon atoms; and x and z independently represent 0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero, and that 1 ≤ x + z ≤ 4; and a base inorganic barrier layer bonded to the base polymer layer; said multilayer barrier assembly optionally further comprising an intermediate polymer layer bonded to the base inorganic barrier layer and an intermediate inorganic barrier layer bonded to the intermediate polymer layer; the outermost layer of the multilayer barrier assembly opposite the substrate being an inorganic barrier layer and a top polymer layer bonded to the multilayer barrier assembly opposite the substrate. a substrate; a multilayer barrier assembly bonded to the substrate, the multilayer barrier assembly comprising: a base polymer layer adjacent to the substrate, wherein the base polymer layer comprises a polymerized reaction product of polymerizable components comprising at least one di(meth)acrylate represented by the formula wherein: each R 1 independently represents H or methyl; each R 2 independently represents an alkyl group having from 1 to 4 carbon atoms, or any two geminal R 2 groups may together form an alkylene group having from 2 to 7 carbon atoms; and x and z independently represent 0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero, and that 1 ≤ x + z ≤ 4; and a base inorganic barrier layer bonded to the base polymer layer; said multilayer barrier assembly optionally further comprising an intermediate polymer layer bonded to the base inorganic barrier layer and an intermediate inorganic barrier layer bonded to the intermediate polymer layer; the outermost layer of the multilayer barrier assembly opposite the substrate being an inorganic barrier layer and a base polymer layer adjacent to the substrate, wherein the base polymer layer comprises a polymerized reaction product of polymerizable components comprising at least one di(meth)acrylate represented by the formula wherein: each R 1 independently represents H or methyl; each R 2 independently represents an alkyl group having from 1 to 4 carbon atoms, or any two geminal R 2 groups may together form an alkylene group having from 2 to 7 carbon atoms; and x and z independently represent 0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero, and that 1 ≤ x + z ≤ 4; and each R 1 independently represents H or methyl; each R 2 independently represents an alkyl group having from 1 to 4 carbon atoms, or any two geminal R 2 groups may together form an alkylene group having from 2 to 7 carbon atoms; and x and z independently represent 0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero, and that 1 ≤ x + z ≤ 4; and a base inorganic barrier layer bonded to the base polymer layer; said multilayer barrier assembly optionally further comprising an intermediate polymer layer bonded to the base inorganic barrier layer and an intermediate inorganic barrier layer bonded to the intermediate polymer layer; the outermost layer of the multilayer barrier assembly opposite the substrate being an inorganic barrier layer and a top polymer layer bonded to the multilayer barrier assembly opposite the substrate.