Antireflection film and multilayer film having antireflection film

An anti-reflection film, which has:

• a base material layer including a thermoplastic resin;
• and
• a high-refractive-index layer, which is layered on at least one surface of the base material layer, and which has a refractive index that is higher than the refractive index of the base material layer, wherein
• regarding a sample of the anti-reflection film obtained by being cut into a size of 210 mm×297 mm×0.3 mm (thickness), when the base material layer is preheated at 190° C. for 40 seconds, the sample is placed in a mold including a right angle-shaped projection having a deep drawing height of 1 mm or more and a size of 30 mm×30 mm in a manner such that the base material layer is in contact with the mold, and the sample is subjected to pressure forming using high pressure air of 1.5 MPa, in an area in which a pressure formed body obtained is in contact with the right angle-shaped portion of the mold, an elongation rate (%) that is a value obtained by formula (A):
• (Length between predetermined two points after pressure forming-Length between the predetermined two points before pressure forming)/Length between the predetermined two points before pressure forming×100(%) (A)
• is equal to or more than a value of the deep drawing height (mm) of the mold×10.

An anti-reflection film, which has:

• a base material layer including a thermoplastic resin;
• a high-refractive-index layer, which is layered on at least one surface of the base material layer, and which has a refractive index that is higher than the refractive index of the base material layer;
• and
• a low-refractive-index layer, which has a refractive index that is lower than the refractive index of the base material layer, and which is layered on the surface of the high-refractive-index layer and the surface is opposite to the base material layer, wherein
• a value of the reflectivity on the surface of the low-refractive-index layer side measured under conditions of JIS Z 8722-2009 is 2.0% or less, and wherein
• regarding a sample of the anti-reflection film obtained by being cut into a size of 210 mm×297 mm×0.3 mm (thickness), when the base material layer is preheated at 190° C. for 40 seconds, the sample is placed in a mold including a right angle-shaped projection having a deep drawing height of 1 mm or more and a size of 30 mm×30 mm in a manner such that the base material layer is in contact with the mold, and the sample is subjected to pressure forming using high pressure air of 1.5 MPa, the radius R of an area in which a pressure formed body obtained is in contact with the right angle-shaped portion of the mold is 3.0 mm or less.

An anti-reflection film, which has:

• a base material layer including a thermoplastic resin;
• and
• a high-refractive-index layer, which is layered on at least one surface of the base material layer, and which has a refractive index that is higher than the refractive index of the base material layer, wherein
• the high-refractive-index layer includes a polymer of a resin material that includes:
• a urethane (meth)acrylate derived from a fluorene-based diol, an isocyanate and a (meth)acrylate;
• and a (meth)acrylate,
• which further has a low-refractive-index layer having a refractive index that is lower than the refractive index of the base material layer, wherein the low-refractive-index layer is layered on the surface of the high-refractive-index layer and the surface is opposite to the base material layer, the base material layer has a thickness of 50 to 500 μm, the high-refractive-index layer has a thickness of 10 to 200 nm and the low-refractive-index layer has a thickness of 10 to 200 nm.

An anti-reflection film, which has:

• a base material layer including a thermoplastic resin;
• and
• a high-refractive-index layer, which is layered on at least one surface of the base material layer, and which has a refractive index that is higher than the refractive index of the base material layer, wherein
• the high-refractive-index layer includes a polymer of a resin material that includes:
• a urethane (meth)acrylate derived from a fluorene-based diol, an isocyanate and a (meth)acrylate;
• and a (meth)acrylate, and
• wherein regarding a sample of the anti-reflection film obtained by being cut into a size of 210 mm×297 mm×0.3 mm (thickness), when the base material layer is preheated at 190° C. for 40 seconds, the sample is placed in a mold including a right angle-shaped projection having a deep drawing height of 1 mm or more and a size of 30 mm×30 mm in a manner such that the base material layer is in contact with the mold, and the sample is subjected to pressure forming using high pressure air of 1.5 MPa, the radius R of an area in which a pressure formed body obtained is in contact with the right angle-shaped portion of the mold is 3.0 mm or less.