| 摘要 |
<p>The present invention provides a laminated body including an antireflection film onto the surface of which bonded is a protection film excellent in the temporary adhesiveness and hardly undergoing the occurrence of adhesive deposit after being peeling off. The laminated body of the present invention is a laminated body including: an antireflection film; and a protection film bonded onto the antireflection film, wherein the surface of the antireflection film includes a plurality of protrusions wherein the width between the tops of adjacent protrusions is equal to or less than the visible light wavelength; the protection film includes a supporting film and an adhesive layer in contact with the antireflection film; the adhesive layer is a layer constituted with a material formed by cross-linking, with a cross-linking agent (B), a (meth)acrylic acid ester copolymer (A); the weight-average molecular weight of the (meth)acrylic acid ester copolymer (A) is 600,000 or more and less than 1,500,000; the (meth)acrylic acid ester copolymer (A) is a copolymer formed by polymerizing monomer components including, in relation to the total amount of the monomer components set at 100% by mass, 70 to 98% by mass of a (meth)acrylic acid alkyl ester monomer (a) including a noncyclic alkyl group containing 4 to 9 carbon atoms, 1.5 to 25% by mass of a (meth)acrylic acid ester monomer (b) containing an aliphatic ring, and 0.5 to 5% by mass of a (meth)acrylic-based monomer (c) containing a functional group exhibiting reactivity with the cross-linking agent (B); and the area proportion of the components each having a molecular weight of 100,000 or less, obtained by gel permeation chromatography measurement, in relation to the area of the whole of the (meth)acrylic acid ester copolymer (A) set at 100%, is less than 3.0%.</p> |
