Active energy ray-curable composition, cured article, and laminate

Abstract

To provide an active energy ray-curable composition, a cured article, and a laminate.SOLUTION: An active energy ray-curable composition comprises an alkylene oxide-modified poly(meth)acrylate, an oxygen-hydrogen bond-containing poly(meth)acrylate, hollow inorganic particles, and a surface conditioner.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present disclosure relates to an active energy ray-curable composition, a cured product, and a laminate. [Background technology]

[0002] In recent years, liquid crystal display devices have been used as display devices for televisions, personal computers, etc. In such liquid crystal display devices, the use of an anti-reflection film including a low refractive index layer has been proposed to prevent reflection of external light and improve image quality (Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-085383 Summary of the Invention [Problem to be solved by the invention]

[0004] The problem to be solved by the present invention is to provide an active energy ray-curable composition that can produce a cured product with low surface roughness. [Means for solving the problem]

[0005] The present disclosure provides the following: (Item 1) An active energy ray-curable composition, comprising an alkylene oxide-modified poly(meth)acrylate, an oxygen-hydrogen bond-containing poly(meth)acrylate, hollow inorganic particles, and a surface conditioner. (Item 2) The active energy ray-curable composition according to the preceding item, which contains solid alumina particles. (Item 3) A cured product of the active energy ray-curable composition according to any one of the above items. (Item 4) A laminate comprising the cured product described in the above item.

[0006] One or more of the features described above may be provided in further combinations in addition to the combinations explicitly mentioned. [Effects of the Invention]

[0007] The cured product of the present invention has low surface roughness. DETAILED DESCRIPTION OF THE INVENTION

[0008] Throughout this disclosure, the range of the values of the physical properties, contents, etc. may be set as appropriate (for example, by selecting from the values described in each item below). Specifically, when the value α includes A3, A2, A1 (where A3>A2>A1), the range of the value α may include A3 or less, A2 or less, less than A3, less than A2, A1 or more, A2 or more, greater than A1, greater than A2, A1 to A2 (A1 or more and less than A2), A1 to A3, A2 to A3, A1 or more and less than A3, A1 or more and less than A2, A2 or more and less than A3, greater than A1 and less than A3, greater than A1 and less than A2, greater than A2 and less than A3, greater than A1 ... and the like.

[0009] As long as the problem to be solved by the present invention is solved, there are no particular limitations on the components, conditions, values, etc.

[0010] "αβ amount (A / B)" means the β amount (α) of A relative to 100% by mass of B. α can be expressed, for example, in mass %, mol %, or parts by mass. β amount can be expressed, for example, in content or amount used. "% by mass content (A / B)" means the content (% by mass) of A relative to 100% by mass of B.

[0011] The term "γ ratio (A / B)" refers to the γ ratio calculated by the formula "A÷B." Examples of the γ ratio include a mass ratio and a molar ratio.

[0012] "Non-volatile content" refers to the total mass of components other than organic solvents and water. In one embodiment, "non-volatile content of A" refers to the total mass of components remaining when 1 g of A is heated at 105°C and reaches a constant weight.

[0013] "(Meth)acrylic" means "acrylic and / or methacrylic". "(Meth)acrylate" means "acrylate and / or methacrylate". "(Meth)acryloyl" means "acryloyl and / or methacryloyl".

[0014] "Poly(meth)acrylate" means a compound having two or more (meth)acryloyl groups.

[0015] [Active energy ray-curable composition: composition] The present disclosure relates to an active energy ray-curable composition, the active energy ray-curable composition comprising an alkylene oxide-modified poly(meth)acrylate, an oxygen-hydrogen bond-containing poly(meth)acrylate, hollow inorganic particles, and a surface conditioner.

[0016] <Alkylene oxide modified poly(meth)acrylate> The alkylene oxide-modified poly(meth)acrylates may be used alone or in combination of two or more.

[0017] Examples of the alkylene oxide modified poly(meth)acrylate include ethylene oxide modified poly(meth)acrylate and propylene oxide modified poly(meth)acrylate.

[0018] Examples of alkylene oxide-modified poly(meth)acrylates include (poly)pentaerythritol alkylene oxide-modified poly(meth)acrylate, (poly)trimethylolpropane alkylene oxide-modified poly(meth)acrylate, and (poly)glycerin alkylene oxide-modified poly(meth)acrylate.

[0019] ((Poly)pentaerythritol alkylene oxide modified poly(meth)acrylate) Examples of the (poly)pentaerythritol alkylene oxide modified poly(meth)acrylate include pentaerythritol alkylene oxide modified poly(meth)acrylate and polypentaerythritol alkylene oxide modified poly(meth)acrylate.

[0020] Examples of the pentaerythritol alkylene oxide modified poly(meth)acrylate include pentaerythritol ethylene oxide modified poly(meth)acrylate and pentaerythritol propylene oxide modified poly(meth)acrylate.

[0021] Examples of the pentaerythritol ethylene oxide modified poly(meth)acrylate include pentaerythritol ethylene oxide modified di(meth)acrylate, pentaerythritol ethylene oxide modified tri(meth)acrylate, and pentaerythritol ethylene oxide modified tetra(meth)acrylate.

[0022] Examples of the pentaerythritol propylene oxide modified poly(meth)acrylate include pentaerythritol propylene oxide modified di(meth)acrylate, pentaerythritol propylene oxide modified tri(meth)acrylate, and pentaerythritol propylene oxide modified tetra(meth)acrylate.

[0023] Examples of polypentaerythritol alkylene oxide modified poly(meth)acrylates include polypentaerythritol ethylene oxide modified poly(meth)acrylates and polypentaerythritol propylene oxide modified poly(meth)acrylates.

[0024] Examples of polypentaerythritol ethylene oxide modified poly(meth)acrylates include dipentaerythritol ethylene oxide modified di(meth)acrylate, dipentaerythritol ethylene oxide modified tri(meth)acrylate, dipentaerythritol ethylene oxide modified tetra(meth)acrylate, dipentaerythritol ethylene oxide modified penta(meth)acrylate, dipentaerythritol ethylene oxide modified hexa(meth)acrylate, and tripentaerythritol ethylene oxide. tripentaerythritol ethylene oxide-modified di(meth)acrylate, tripentaerythritol ethylene oxide-modified tri(meth)acrylate, tripentaerythritol ethylene oxide-modified tetra(meth)acrylate, tripentaerythritol ethylene oxide-modified penta(meth)acrylate, tripentaerythritol ethylene oxide-modified hexa(meth)acrylate, tripentaerythritol ethylene oxide-modified hepta(meth)acrylate, tripentaerythritol ethylene oxide-modified octa(meth)acrylate, and the like.

[0025] Examples of polypentaerythritol propylene oxide modified poly(meth)acrylates include dipentaerythritol propylene oxide modified di(meth)acrylate, dipentaerythritol propylene oxide modified tri(meth)acrylate, dipentaerythritol propylene oxide modified tetra(meth)acrylate, dipentaerythritol propylene oxide modified penta(meth)acrylate, dipentaerythritol propylene oxide modified hexa(meth)acrylate, and tripentaerythritol propylene oxide modified tripentaerythritol propylene oxide-modified di(meth)acrylate, tripentaerythritol propylene oxide-modified tri(meth)acrylate, tripentaerythritol propylene oxide-modified tetra(meth)acrylate, tripentaerythritol propylene oxide-modified penta(meth)acrylate, tripentaerythritol propylene oxide-modified hexa(meth)acrylate, tripentaerythritol propylene oxide-modified hepta(meth)acrylate, and tripentaerythritol propylene oxide-modified octa(meth)acrylate.

[0026] ((Poly)trimethylolpropane alkylene oxide modified poly(meth)acrylate) Examples of the (poly)trimethylolpropane alkylene oxide-modified poly(meth)acrylate include trimethylolpropane alkylene oxide-modified poly(meth)acrylate and polytrimethylolpropane alkylene oxide-modified poly(meth)acrylate.

[0027] Examples of the trimethylolpropane alkylene oxide modified poly(meth)acrylate include trimethylolpropane ethylene oxide modified poly(meth)acrylate and trimethylolpropane propylene oxide modified poly(meth)acrylate.

[0028] Examples of the trimethylolpropane ethylene oxide modified poly(meth)acrylate include trimethylolpropane ethylene oxide modified di(meth)acrylate and trimethylolpropane ethylene oxide modified tri(meth)acrylate.

[0029] Examples of the trimethylolpropane propylene oxide modified poly(meth)acrylate include trimethylolpropane propylene oxide modified di(meth)acrylate and trimethylolpropane propylene oxide modified tri(meth)acrylate.

[0030] Examples of polytrimethylolpropane alkylene oxide modified poly(meth)acrylates include polytrimethylolpropane ethylene oxide modified poly(meth)acrylates and polytrimethylolpropane propylene oxide modified poly(meth)acrylates.

[0031] Examples of polytrimethylolpropane ethylene oxide modified poly(meth)acrylates include ditrimethylolpropane ethylene oxide modified di(meth)acrylate, ditrimethylolpropane ethylene oxide modified tri(meth)acrylate, and ditrimethylolpropane ethylene oxide modified tetra(meth)acrylate.

[0032] Examples of polytrimethylolpropane propylene oxide modified poly(meth)acrylates include ditrimethylolpropane propylene oxide modified di(meth)acrylate, ditrimethylolpropane propylene oxide modified tri(meth)acrylate, and ditrimethylolpropane propylene oxide modified tetra(meth)acrylate.

[0033] ((Poly)glycerin alkylene oxide modified poly(meth)acrylate) Examples of the (poly)glycerin alkylene oxide modified poly(meth)acrylate include glycerin alkylene oxide modified poly(meth)acrylate and polyglycerin alkylene oxide modified poly(meth)acrylate.

[0034] Examples of the glycerin alkylene oxide modified poly(meth)acrylate include glycerin ethylene oxide modified poly(meth)acrylate and glycerin propylene oxide modified poly(meth)acrylate.

[0035] Examples of the glycerin ethylene oxide modified poly(meth)acrylate include glycerin ethylene oxide modified di(meth)acrylate and glycerin ethylene oxide modified tri(meth)acrylate.

[0036] Examples of the glycerin propylene oxide modified poly(meth)acrylate include glycerin propylene oxide modified di(meth)acrylate and glycerin propylene oxide modified tri(meth)acrylate.

[0037] Examples of polyglycerin alkylene oxide modified poly(meth)acrylates include polyglycerin ethylene oxide modified poly(meth)acrylates and polyglycerin propylene oxide modified poly(meth)acrylates.

[0038] Examples of polyglycerin ethylene oxide modified poly(meth)acrylates include diglycerin ethylene oxide modified di(meth)acrylate, diglycerin ethylene oxide modified tri(meth)acrylate, and diglycerin ethylene oxide modified tetra(meth)acrylate.

[0039] Examples of polyglycerin propylene oxide-modified poly(meth)acrylates include diglycerin propylene oxide-modified di(meth)acrylate, diglycerin propylene oxide-modified tri(meth)acrylate, and diglycerin propylene oxide-modified tetra(meth)acrylate.

[0040] Examples of the mass % content (alkylene oxide-modified poly(meth)acrylate / active energy ray-curable composition nonvolatile content) include 30 mass %, 26 mass %, 25 mass %, 20 mass %, 19 mass %, 17 mass %, 15 mass %, 13 mass %, 11 mass %, 10 mass %, 9 mass %, 7 mass %, 5 mass %, 3 mass %, 1 mass %, etc. In one embodiment, the content is preferably 1 mass % to 30 mass %, and more preferably 1 mass % to 26 mass %.

[0041] Examples of the mass % content (alkylene oxide-modified poly(meth)acrylate / active energy ray-curable compound) include 95 mass %, 90 mass %, 85 mass %, 80 mass %, 75 mass %, 70 mass %, 65 mass %, 60 mass %, 50 mass %, 45 mass %, 40 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, 15 mass %, 12 mass %, etc. In one embodiment, the content is preferably 12 mass % to 95 mass %.

[0042] Examples of the molar ratio (average number of moles of alkylene oxide added / number of (meth)acrylate groups) include 9, 8.75, 8, 7, 6, 5, 4, 3, 2, and 1. In one embodiment, the molar ratio is preferably 1 to 9, and more preferably 2 to 9.

[0043] <Poly(meth)acrylate containing oxygen-hydrogen bonds> The oxygen-hydrogen bond-containing poly(meth)acrylates may be used alone or in combination of two or more.

[0044] The term "oxygen-hydrogen bond-containing poly(meth)acrylate" refers to a poly(meth)acrylate having oxygen-hydrogen bonds at a pH of 7 or less. The oxygen-hydrogen bond-containing poly(meth)acrylate may be in the form of a salt at a pH of more than 7.

[0045] Examples of oxygen-hydrogen bond-containing poly(meth)acrylates include hydroxyl group-containing poly(meth)acrylates, carboxyl group-containing poly(meth)acrylates, sulfonic acid group-containing poly(meth)acrylates, and phosphoric acid group-containing poly(meth)acrylates.

[0046] (Hydroxyl group-containing poly(meth)acrylate) Examples of hydroxyl group-containing poly(meth)acrylates include hydroxyl group-containing pentaerythritol poly(meth)acrylate, hydroxyl group-containing polypentaerythritol poly(meth)acrylate, hydroxyl group-containing trimethylolpropane poly(meth)acrylate, hydroxyl group-containing polytrimethylolpropane poly(meth)acrylate, hydroxyl group-containing glycerin poly(meth)acrylate, and hydroxyl group-containing polyglycerin poly(meth)acrylate.

[0047] Examples of the hydroxyl group-containing pentaerythritol poly(meth)acrylate include pentaerythritol di(meth)acrylate and pentaerythritol tri(meth)acrylate.

[0048] Examples of hydroxyl group-containing polypentaerythritol poly(meth)acrylates include dipentaerythritol di(meth)acrylate, dipentaerythritol tri(meth)acrylate, dipentaerythritol tetra(meth)acrylate, dipentaerythritol penta(meth)acrylate, tripentaerythritol di(meth)acrylate, tripentaerythritol tri(meth)acrylate, tripentaerythritol tetra(meth)acrylate, tripentaerythritol penta(meth)acrylate, tripentaerythritol hexa(meth)acrylate, and tripentaerythritol hepta(meth)acrylate.

[0049] Examples of the hydroxyl group-containing trimethylolpropane poly(meth)acrylate include trimethylolpropane di(meth)acrylate.

[0050] Examples of the hydroxyl group-containing polytrimethylolpropane poly(meth)acrylate include ditrimethylolpropane di(meth)acrylate and ditrimethylolpropane tri(meth)acrylate.

[0051] Examples of hydroxyl group-containing glycerin poly(meth)acrylates include glycerin di(meth)acrylate.

[0052] Examples of the hydroxyl group-containing polyglycerin poly(meth)acrylate include diglycerin di(meth)acrylate and diglycerin tri(meth)acrylate.

[0053] (Carboxyl group-containing poly(meth)acrylate) Examples of the carboxyl group-containing poly(meth)acrylate include a reaction product of a hydroxyl group-containing poly(meth)acrylate and a carboxylic acid anhydride.

[0054] Examples of carboxylic acid anhydrides include phthalic anhydride, hexahydrophthalic anhydride, tetrahydrophthalic anhydride, methylhexahydrophthalic anhydride, methyltetrahydrophthalic anhydride, nadic anhydride, methylnadic anhydride, maleic anhydride, itaconic anhydride, and succinic anhydride.

[0055] Examples of the product (carboxyl group-containing poly(meth)acrylate) include Aronix M510 (acid value: 80 mg KOH / g to 120 mg KOH / g, manufactured by Toagosei Co., Ltd.) and Aronix M520 (acid value: 20 mg KOH / g to 40 mg KOH / g, manufactured by Toagosei Co., Ltd.).

[0056] In one embodiment, the oxygen-hydrogen bond-containing poly(meth)acrylate is preferably a carboxyl group-containing poly(meth)acrylate, more preferably a reaction product of pentaerythritol tri(meth)acrylate or dipentaerythritol penta(meth)acrylate with a carboxylic acid anhydride, even more preferably a reaction product of pentaerythritol tri(meth)acrylate with a carboxylic acid anhydride, and particularly preferably a reaction product of pentaerythritol tri(meth)acrylate with succinic anhydride.

[0057] Examples of the molecular weight (oxygen-hydrogen bond-containing poly(meth)acrylate) include 50,000, 40,000, 30,000, 20,000, 10,000, 5,000, 4,000, 2,000, 1,000, 900, 800, 700, 600, 500, 450, 400, 300, 250, and 100. In one embodiment, the molecular weight is preferably 100 to 50,000.

[0058] "Molecular weight" refers to either formula weight or number average molecular weight. When the structure of a compound can be unequivocally expressed by a specific chemical formula (i.e., the molecular weight distribution is 1), "molecular weight" refers to formula weight. On the other hand, when the structure of a compound cannot be unequivocally expressed by a specific chemical formula (i.e., the molecular weight distribution is greater than 1), "molecular weight" refers to number average molecular weight.

[0059] The acid value (oxygen-hydrogen bond-containing poly(meth)acrylate) is, for example, 300 mg KOH / g, 290 mg KOH / g, 280 mg KOH / g, 270 mg KOH / g, 260 mg KOH / g, 250 mg KOH / g, 240 mg KOH / g, 230 mg KOH / g, 220 mg KOH / g, 210 mg KOH / g, 200 mg KOH / g, 190 mg KOH / g, 180 mg KOH / g, 170 mg Examples of the acid value include 160 mgKOH / g, 150 mgKOH / g, 140 mgKOH / g, 130 mgKOH / g, 120 mgKOH / g, 110 mgKOH / g, 100 mgKOH / g, 90 mgKOH / g, 80 mgKOH / g, 70 mgKOH / g, 60 mgKOH / g, 50 mgKOH / g, 40 mgKOH / g, 30 mgKOH / g, 20 mgKOH / g, and 10 mgKOH / g. In one embodiment, the acid value is preferably 10 mgKOH / g to 300 mgKOH / g.

[0060] The hydroxyl value (oxygen-hydrogen bond-containing poly(meth)acrylate) is, for example, 280 mg KOH / g, 270 mg KOH / g, 260 mg KOH / g, 250 mg KOH / g, 240 mg KOH / g, 230 mg KOH / g, 220 mg KOH / g, 210 mg KOH / g, 200 mg KOH / g, 190 mg KOH / g, 180 mg KOH / g, 170 mg KOH / g, 160 mg KOH / g, 15 Examples of the hydroxyl value include 0 mgKOH / g, 140 mgKOH / g, 130 mgKOH / g, 120 mgKOH / g, 110 mgKOH / g, 100 mgKOH / g, 90 mgKOH / g, 80 mgKOH / g, 70 mgKOH / g, 60 mgKOH / g, 50 mgKOH / g, 40 mgKOH / g, 30 mgKOH / g, 20 mgKOH / g, 10 mgKOH / g, 5 mgKOH / g, and 0 mgKOH / g. In one embodiment, the hydroxyl value is preferably 0 mgKOH / g to 280 mgKOH / g, and more preferably 10 mgKOH / g to 280 mgKOH / g.

[0061] The number of (meth)acryloyl groups (oxygen-hydrogen bond-containing poly(meth)acrylate) may be, for example, 30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 9, 8, 7, 6, 5, 4, 3, or 2. In one embodiment, the number is preferably 2 to 30.

[0062] The number of oxygen-hydrogen bonds (oxygen-hydrogen bond-containing poly(meth)acrylate) may be, for example, 10, 9, 8, 7, 6, 5, 4, 3, 2, or 1. In one embodiment, the number is preferably 1 to 10.

[0063] Examples of the mass % content (oxygen-hydrogen bond-containing poly(meth)acrylate / active energy ray-curable composition nonvolatile content) include 70 mass %, 65 mass %, 60 mass %, 57 mass %, 55 mass %, 54 mass %, 53 mass %, 52 mass %, 51 mass %, 50 mass %, 49 mass %, 48 mass %, 47 mass %, 46 mass %, 45 mass %, 44 mass %, 43 mass %, 42 mass %, 41 mass %, 40 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, and 15 mass %. In one embodiment, the content is preferably 15 mass % to 70 mass %, and more preferably 20 mass % to 70 mass %.

[0064] <Hollow inorganic particles> The hollow inorganic particles may be used alone or in combination of two or more kinds.

[0065] Examples of hollow inorganic particles include hollow silica particles, hollow aluminosilicate particles, hollow alumina particles, hollow mullite particles, hollow titanium oxide particles, hollow magnesium fluoride particles, and fly ash balloons.

[0066] Examples of the shape (hollow inorganic particles) include spherical, rod-like, plate-like, fibrous, and irregular shapes.

[0067] In one embodiment, the hollow inorganic particles are preferably modified hollow inorganic particles.

[0068] Examples of the modified hollow inorganic particles include (meth)acrylic modified hollow inorganic particles and silicone modified hollow inorganic particles.

[0069] Examples of the mass % content (modified portion / modified hollow inorganic particles) include 40 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, 15 mass %, 10 mass %, 5 mass %, 1 mass %, 0.1 mass %, 0.01 mass %, etc. In one embodiment, the content is preferably 0.01 mass % to 40 mass %, more preferably 0.1 mass % to 30 mass %, and even more preferably 1 mass % to 20 mass %.

[0070] Examples of the product (hollow inorganic particles) include Sururia 5320, Sururia 4320, Sururia 4110, Sururia 2320, Sururia 1110, JX1008SIV, JX1009SIV (manufactured by JGC Catalysts and Chemicals Industries, Ltd.), and Silinax (manufactured by Nittetsu Mining Co., Ltd.).

[0071] Examples of particle diameters (hollow inorganic particles) include 100 nm, 95 nm, 90 nm, 85 nm, 80 nm, 75 nm, 70 nm, 65 nm, 60 nm, 55 nm, 50 nm, 45 nm, and 40 nm. In one embodiment, the particle diameter is preferably 40 nm to 100 nm.

[0072] The particle diameter (hollow inorganic particles) is measured using a scanning electron microscope (for example, JSM-7800F Prime (manufactured by JEOL Ltd.)) and a STEM detector (manufactured by DEBEN UK Ltd.). Specifically, the measurement is performed according to the following procedure. (1) Dilute the particle sample with methyl isobutyl ketone to an active ingredient concentration of 0.2% and stir thoroughly. (2) A drop of the above dispersion was placed on a microgrid with a support film for STEM (Hi-Res Carbon HRC-C10 STEM Cu100P grid specification (manufactured by Stem Corporation)) and dried to prepare a measurement sample. (3) Using a scanning electron microscope, images are taken at a magnification (e.g., 300k times) that allows the length of particles in the field of view to be measured sufficiently under conditions of an accelerating voltage of 30kV, and the particle diameters of 50 randomly selected particles are measured to determine the particle diameter on a number basis. The particle diameter measurement can be done manually or using a measuring tool.

[0073] Examples of the refractive index (hollow inorganic particles) include 1.5, 1.4, 1.3, 1.2, 1.1, etc. In one embodiment, the refractive index of the hollow inorganic particles is preferably 1.1 to 1.5.

[0074] The refractive index (hollow inorganic particles) is calculated by forming a film of a composition containing the object to be measured at a non-volatile content ratio of 1 mass %, 10 mass %, or 20 mass % in an active energy ray-curable resin (for example, dipentaerythritol polyacrylate manufactured by Shin-Nakamura Chemical Co., Ltd.: product name NK Ester A-9550W), measuring the refractive index at the wavelength of the sodium D line using an Abbe refractometer (product name "NAR-1T SOLID" manufactured by Atago Co., Ltd.) in accordance with JIS K7142:2014, and extrapolating the result to a non-volatile content ratio of 100 mass %.

[0075] Examples of the mass % content (hollow inorganic particles / nonvolatile content of the active energy ray-curable composition) include 65 mass %, 60 mass %, 55 mass %, 50 mass %, 45 mass %, 44 mass %, 43 mass %, 42 mass %, 41 mass %, 40 mass %, 39 mass %, 38 mass %, 37 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, etc. In one embodiment, the content is preferably 20 mass % to 65 mass %.

[0076] <Surface conditioner> The surface conditioners may be used alone or in combination of two or more.

[0077] Examples of the surface conditioner include fluorine-containing compounds.

[0078] Examples of the fluorine-containing compound include fluoroalkyl carboxylates, fluoroalkyl phosphates, fluoroalkyl sulfonates, fluoroalkyl ammonium salts, fluoroalkyl ethylene oxide derivatives, fluoroadamantane derivatives, (meth)acryloyl group-containing perfluoropolyethers, etc. In one embodiment, the surface conditioner is preferably a (meth)acryloyl group-containing perfluoropolyether.

[0079] ((Meth)acryloyl group-containing perfluoropolyether) In one embodiment, the active energy ray-curable composition may optionally contain a (meth)acryloyl group-containing perfluoropolyether. The (meth)acryloyl group-containing perfluoropolyether may be used alone or in combination of two or more kinds.

[0080] "(Meth)acryloyl group-containing perfluoropolyether" means a compound in which one or more (meth)acryloyl groups are bonded to a perfluoropolyether. "Perfluoropolyether" means a compound in which perfluoroalkylene ether is a repeating unit.

[0081] Examples of the (meth)acryloyl group-containing perfluoropolyether include perfluoropolyethers containing (meth)acryloyl groups at both ends and perfluoropolyethers containing a (meth)acryloyl group at one end.

[0082] Examples of the product ((meth)acryloyl group-containing perfluoropolyether) include KY-1203 and KY-1207 (manufactured by Shin-Etsu Chemical Co., Ltd.).

[0083] In one embodiment, the (meth)acryloyl group-containing perfluoropolyether is preferably a silicon atom- and (meth)acryloyl group-containing perfluoropolyether. Examples of the product (silicon atom- and (meth)acryloyl group-containing perfluoropolyether) include KY-1203 (manufactured by Shin-Etsu Chemical Co., Ltd.).

[0084] Examples of the mass % content (surface conditioner / non-volatile content of the active energy ray-curable composition) include 10 mass %, 9 mass %, 8 mass %, 7 mass %, 6 mass %, 5 mass %, 4 mass %, 3 mass %, 2 mass %, 1 mass %, etc. In one embodiment, the mass % content (surface conditioner / non-volatile content of the active energy ray-curable composition) is preferably 1 mass % to 10 mass %, and more preferably more than 3 mass % and 10 mass % or less.

[0085] <Solid alumina particles> In one embodiment, the active energy ray-curable composition may optionally contain solid alumina particles. The solid alumina particles may be used alone or in combination of two or more kinds.

[0086] "Alumina" means aluminum oxide (Al2O3).

[0087] Examples of the form (alumina) include α-type, γ-type, σ-type, and mixtures thereof.

[0088] Examples of the shape (solid alumina particles) include spherical, rod-like, plate-like, fibrous, and irregular shapes.

[0089] In one embodiment, the solid alumina particles are preferably modified solid alumina particles, such as (meth)acrylic-modified solid alumina particles and silicone-modified solid alumina particles.

[0090] Examples of products (solid alumina particles) include ALUMINOSOL F-3000 (manufactured by Kawaken Fine Chemicals Co., Ltd.), BYLAR AL-7 (manufactured by Taki Chemical Co., Ltd.), NANOBYK-3610, 3611 (manufactured by BYK Chemie), Optisol LAA530U (manufactured by RANCO), and ALMIBK-M47 (manufactured by CIK Nanotech).

[0091] Examples of primary particle diameters (solid alumina particles) include 110 nm, 100 nm, 90 nm, 80 nm, 70 nm, 60 nm, 50 nm, 40 nm, 30 nm, 20 nm, 15 nm, 10 nm, 7 nm, and 3 nm. In one embodiment, the primary particle diameter is 3 nm to 110 nm.

[0092] The primary particle size (solid alumina particles) can be measured by the same method as above.

[0093] Examples of the secondary particle diameter (solid alumina particles) include 200 nm, 190 nm, 175 nm, 150 nm, 125 nm, 110 nm, 100 nm, 90 nm, 80 nm, 70 nm, 60 nm, 55 nm, 50 nm, 45 nm, 40 nm, 35 nm, 30 nm, and 25 nm. In one embodiment, the secondary particle diameter is 25 nm to 200 nm.

[0094] The secondary particle size (solid alumina particles) is measured by the following procedure. First, the particle sample is diluted with methyl isobutyl ketone to 1% active ingredient to prepare a sample solution. Next, the prepared sample solution is measured using a nanoparticle size measurement device (product name "Nanotrac UPA-EX150 (Microtrac Bell Co., Ltd.)") using dynamic light scattering. The particle size obtained by this measurement method is the volume average particle size, and the median diameter value is used as the particle size.

[0095] Examples of the mass % content (solid alumina particles / nonvolatile content of the active energy ray-curable composition) include 15 mass %, 14 mass %, 13 mass %, 12 mass %, 11 mass %, 10 mass %, 9 mass %, 8 mass %, 7 mass %, 6 mass %, 5 mass %, 4 mass %, 3 mass %, 2 mass %, 1 mass %, 0 mass %, etc. In one embodiment, the content is preferably 0 mass % to 15 mass %, more preferably 2 mass % to 15 mass %, and even more preferably 6 mass % to 15 mass %.

[0096] <Poly(meth)acrylates that are neither alkylene oxide-modified poly(meth)acrylates nor oxygen-hydrogen bond-containing poly(meth)acrylates: other poly(meth)acrylates> In one embodiment, the active energy ray-curable composition may optionally contain a poly(meth)acrylate that is neither an alkylene oxide-modified poly(meth)acrylate nor an oxygen-hydrogen bond-containing poly(meth)acrylate (other poly(meth)acrylate). The other poly(meth)acrylates may be used alone or in combination of two or more.

[0097] Other poly(meth)acrylates include, for example, pentaerythritol tetra(meth)acrylate, dipentaerythritol hexa(meth)acrylate, trimethylolpropane tri(meth)acrylate, ditrimethylolpropane tetra(meth)acrylate, glycerin tri(meth)acrylate, diglycerin tetra(meth)acrylate, and urethane poly(meth)acrylate.

[0098] Examples of urethane poly(meth)acrylates include reaction products of compounds containing hydroxyl group-containing poly(meth)acrylate and polyisocyanate, and optionally polyol.

[0099] Examples of the hydroxyl group-containing poly(meth)acrylate include the compounds described above.

[0100] Examples of polyisocyanates include linear aliphatic polyisocyanates, branched aliphatic polyisocyanates, alicyclic polyisocyanates, aromatic polyisocyanates, and biurets, isocyanurates, allophanates, adducts, and the like thereof.

[0101] Examples of the linear aliphatic polyisocyanate include methylene diisocyanate, dimethylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, heptamethylene diisocyanate, octamethylene diisocyanate, nonamethylene diisocyanate, and decamethylene diisocyanate.

[0102] Examples of branched aliphatic polyisocyanates include diethylpentylene diisocyanate, trimethylbutylene diisocyanate, trimethylpentylene diisocyanate, and trimethylhexamethylene diisocyanate.

[0103] Examples of the alicyclic polyisocyanate include monocyclic alicyclic polyisocyanates, crosslinked cyclic alicyclic polyisocyanates, and condensed cyclic alicyclic polyisocyanates.

[0104] Examples of monocyclic alicyclic polyisocyanates include hydrogenated xylene diisocyanate, isophorone diisocyanate, cyclopentylene diisocyanate, cyclohexylene diisocyanate, cycloheptylene diisocyanate, cyclodecylene diisocyanate, 3,5,5-trimethylcyclohexylene diisocyanate, and dicyclohexylmethane diisocyanate.

[0105] Examples of the crosslinked alicyclic polyisocyanate include tricyclodecylene diisocyanate, adamantane diisocyanate, and norbornene diisocyanate.

[0106] An example of the condensed ring alicyclic polyisocyanate is bicyclodecylene diisocyanate.

[0107] Examples of aromatic polyisocyanates include monocyclic aromatic polyisocyanates and condensed ring aromatic polyisocyanates.

[0108] Examples of the monocyclic aromatic polyisocyanate include dialkyldiphenylmethane diisocyanates such as 4,4'-diphenyldimethylmethane diisocyanate, tetraalkyldiphenylmethane diisocyanates such as 4,4'-diphenyltetramethylmethane diisocyanate, 4,4'-diphenylmethane diisocyanate, 4,4'-dibenzyl isocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, tolylene diisocyanate, xylylene diisocyanate, and m-tetramethylxylylene diisocyanate.

[0109] An example of the condensed ring aromatic polyisocyanate is 1,5-naphthylene diisocyanate.

[0110] Examples of polyols include alkylene polyols, polyether polyols, polyester polyols, polycarbonate polyols, acrylic polyols, and polyolefin polyols.

[0111] Examples of the mass % content (other poly(meth)acrylate / active energy ray-curable composition nonvolatile content) include 42 mass %, 40 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, 15 mass %, 10 mass %, 5 mass %, 0 mass %, etc. In one embodiment, the content is preferably 0 mass % to 42 mass %.

[0112] <Photopolymerization initiator> In one embodiment, the active energy ray-curable composition may optionally contain a photopolymerization initiator. The photopolymerization initiators may be used alone or in combination of two or more.

[0113] Examples of the photopolymerization initiator include an α-hydroxydimethylacetophenone group-containing photopolymerization initiator, α-hydroxycycloalkylphenone, α-aminoalkylphenone, benzyl dimethyl ketal, unsubstituted or substituted alkylphenone, unsubstituted or substituted benzyl, unsubstituted or substituted benzophenone, acylphosphine oxide, substituted thioxanthone, and oxime ester.

[0114] Examples of the α-hydroxydimethylacetophenone group-containing photopolymerization initiator include 2-hydroxy-2-methyl-1-phenylpropanone, 1-[4-(2-hydroxyethoxyl)-phenyl]-2-hydroxy-methylpropanone, and 2-hydroxy-1-(4-(4-(2-hydroxy-2-methylpropionyl)benzyl)phenyl)-2-methylpropan-1-one.

[0115] Examples of α-hydroxycycloalkylphenones include 1-hydroxycyclohexyl phenyl ketone.

[0116] Examples of α-aminoalkylphenones include 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one.

[0117] Examples of benzyl dimethyl ketals include 2,2-dimethoxy-1,2-diphenylethan-1-one.

[0118] Examples of unsubstituted or substituted alkylphenones include benzoin methyl ether, benzoin isopropyl ether, benzoin isobutyl ether, benzoin ethyl ether, acetophenone, 2,2-diethoxyacetophenone, 2,2-dimethoxy-2-phenylacetophenone, 2-phenyl-2-(p-toluenesulfonyloxy)acetophenone, benzoin, 2-benzyl-2-(dimethylamino)-4'-morpholinobutyrophenone, 2-methyl-4'-(methylthio)-2-morpholinopropiophenone, 2-isonitrosopropiophenone, and 2,2-dimethoxy-1,2-diphenylethan-1-one.

[0119] Examples of unsubstituted or substituted benzyl include benzyl and p-anisyl.

[0120] Examples of unsubstituted or substituted benzophenones include benzophenone, 4,4'-bis(diethylamino)benzophenone, 4,4'-bis(dimethylamino)benzophenone, 4,4'-dichlorobenzophenone, 1,4-dibenzoylbenzene, 2-benzoylbenzoic acid, 4-benzoylbenzoic acid, and methyl 2-benzoylbenzoate.

[0121] Examples of the acylphosphine oxide include 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide and bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide.

[0122] Examples of substituted thioxanthone include 2-chlorothioxanthone, 2-isopropylthioxanthone, and 2,4-diethylthioxanthone.

[0123] Oxime esters include, for example, 1,2-octanedione, 1-[4-(phenylthio)-, 2-(O-benzoyloxime)] (i.e., 2-((benzoyloxy)imino)-1-(4-(phenylthio)phenyl)octan-1-one); Examples include ethanone, 1-[9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]-, 1-(O-acetyloxime) (i.e., 1-(((1-(9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl)ethylidene)amino)oxy)ethan-1-one).

[0124] When electron beam curing is used, a photoinitiator is not required.

[0125] Examples of the mass % content (photopolymerization initiator / active energy ray-curable composition nonvolatile content) include 10 mass %, 9 mass %, 8 mass %, 7 mass %, 6 mass %, 5 mass %, 4 mass %, 3 mass %, 2 mass %, 1 mass %, 0 mass %, etc. In one embodiment, the content is preferably 0 mass % to 10 mass %, and more preferably 1 mass % to 6 mass %.

[0126] <Organic solvents> In one embodiment, the active energy ray-curable composition may optionally contain an organic solvent. The organic solvent may be used alone or in combination of two or more kinds.

[0127] Examples of the organic solvent include ketone solvents, aromatic solvents, alcohol solvents, glycol solvents, glycol ether solvents, ester solvents, petroleum-based solvents, haloalkane solvents, and amide solvents.

[0128] Examples of the ketone solvent include methyl ethyl ketone, acetylacetone, methyl isobutyl ketone, cyclopentanone, and cyclohexanone.

[0129] Examples of aromatic solvents include toluene and xylene.

[0130] Examples of the alcohol solvent include methanol, ethanol, n-propanol, isopropanol, n-butanol, i-butanol, and t-butanol.

[0131] Examples of glycol solvents include ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, triethylene glycol, tripropylene glycol, polyethylene glycol, and polypropylene glycol.

[0132] Examples of glycol ether solvents include ethylene glycol dimethyl ether, ethylene glycol diethyl ether, propylene glycol dimethyl ether, propylene glycol diethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, diethylene glycol methyl ethyl ether, diethylene glycol diethyl ether, propylene glycol monomethyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol mono-n-propyl ether, ethylene glycol monoisopropyl ether, ethylene glycol mono-n-butyl ether, ethylene glycol monoisobutyl ether, and ethylene glycol mono-t-butyl ether.

[0133] Examples of the ester solvent include ethyl acetate, butyl acetate, methyl cellosolve acetate, ethyl cellosolve acetate, and propylene glycol monomethyl ether acetate.

[0134] Examples of petroleum-based solvents include Solvesso #100 (manufactured by Exxon Chemical), Solvesso #150 (manufactured by Exxon Chemical), and the like.

[0135] Examples of haloalkane solvents include chloroform.

[0136] The amide solvent may, for example, be dimethylformamide.

[0137] Examples of the mass % content (organic solvent / active energy ray-curable composition) include 99 mass %, 98.5 mass %, 98 mass %, 97 mass %, 95 mass %, 90 mass %, 85 mass %, 80 mass %, 75 mass %, 70 mass %, 65 mass %, 60 mass %, 55 mass %, 50 mass %, 45 mass %, 40 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, 15 mass %, 10 mass %, 5 mass %, and 0 mass %. In one embodiment, the content is preferably 0 mass % to 99 mass %.

[0138] <Additives> The active energy ray-curable composition may optionally contain an agent (additive) that does not fall into any of the above categories.

[0139] Examples of the additives include ultraviolet absorbers, antifoaming agents, surface conditioners, antifouling agents, and pigments.

[0140] In one embodiment, the content in parts by mass (additive / active energy ray-curable composition) is preferably less than 1 part by mass, less than 0.1 part by mass, less than 0.01 part by mass, or 0 part by mass.

[0141] In one embodiment, the part by mass content (additive / alkylene oxide-modified poly(meth)acrylate), part by mass content (additive / oxygen-hydrogen bond-containing poly(meth)acrylate), part by mass content (additive / hollow inorganic particles), part by mass content (additive / surface conditioner), part by mass content (additive / solid alumina particles), part by mass content (additive / photopolymerization initiator), and part by mass content (additive / organic solvent) are preferably less than 1 part by mass, less than 0.1 parts by mass, less than 0.01 parts by mass, 0 parts by mass, etc.

[0142] An active energy ray-curable composition can be produced by dispersing and mixing the above-mentioned agents.

[0143] Examples of the dispersing and mixing means include an emulsifying disperser and an ultrasonic dispersing device.

[0144] Examples of uses (of the active energy ray-curable composition) include coating agents, hard coating agents, clear coating agents, clear hard coating agents, anti-glare coating agents, anti-glare hard coating agents, coating agents for optical films, hard coating agents for optical films, low refractive index coating agents, and low refractive index hard coating agents.

[0145] Specific examples of the active energy ray-curable composition include the following compositions. The numbers in the table represent parts by mass. The components in the table will be explained in the examples. [Table EX1]

[0146] [Cured product] The present disclosure relates to a cured product of the above-mentioned active energy ray-curable composition.

[0147] Examples of the curing conditions include the following conditions.

[0148] [Laminate] The present disclosure relates to a laminate comprising the above-mentioned cured product.

[0149] In one embodiment, the laminate has a cured product layer made of a cured product of the active energy ray-curable composition on at least one surface of the substrate. In one embodiment, the laminate has an anchor agent cured product layer made of a cured product of the anchor agent on at least one surface of the substrate, and an active energy ray-curable composition cured product layer made of a cured product of the active energy ray-curable composition on the anchor agent cured product layer.

[0150] Examples of the substrate include polycarbonate film, acrylic film (such as polymethyl methacrylate film), polystyrene film, polyester film, polyolefin film, epoxy resin film, melamine resin film, triacetyl cellulose film, ABS film, AS film, norbornene-based resin film, cyclic olefin film, and polyvinyl alcohol film.

[0151] In one embodiment, the thickness (base material) is preferably 1 μm to 125 μm.

[0152] In one embodiment, the thickness (of the layer of the cured product of the active energy ray-curable composition) is preferably 55 nm to 200 nm.

[0153] In one embodiment, the thickness (of the anchor agent cured product layer) is preferably 1 μm to 6 μm.

[0154] <Anchor agent> Examples of the solid alumina particles, poly(meth)acrylate, photopolymerization initiator, and organic solvent used in the anchoring agent include the above-mentioned compounds, etc. The solid alumina particles, poly(meth)acrylate, photopolymerization initiator, and organic solvent may each be used alone or in combination of two or more.

[0155] Examples of the mass% content (solid alumina particles / anchoring agent nonvolatile content) include 18 mass%, 17 mass%, 16 mass%, 15 mass%, 14 mass%, 13 mass%, 12 mass%, 11 mass%, 10 mass%, 9 mass%, 8 mass%, 7 mass%, 6 mass%, 5 mass%, 4 mass%, 3 mass%, 2 mass%, 1 mass%, 0 mass%, etc. In one embodiment, the content is preferably 0 mass% to 18 mass%, and more preferably 2 mass% to 18 mass%.

[0156] Examples of the mass % content (poly(meth)acrylate / anchoring agent nonvolatile content) include 94 mass%, 90 mass%, 88 mass%, 85 mass%, 80 mass%, 75 mass%, 70 mass%, 66 mass%, 65 mass%, 60 mass%, 55 mass%, 50 mass%, 45 mass%, 40 mass%, 35 mass%, 30 mass%, 25 mass%, 20 mass%, 15 mass%, 10 mass%, 5 mass%, 1 mass%, 0 mass%, etc. In one embodiment, the content is preferably 0 mass% to 94 mass%.

[0157] Examples of the mass % content (photopolymerization initiator / anchoring agent nonvolatile content) include 10 mass %, 9 mass %, 8 mass %, 7 mass %, 6 mass %, 5 mass %, 4 mass %, 3 mass %, 2 mass %, 1 mass %, 0 mass %, etc. In one embodiment, the content is preferably 0 mass % to 10 mass %.

[0158] Examples of the mass % content (organic solvent / anchor agent) include 80 mass %, 75 mass %, 70 mass %, 65 mass %, 60 mass %, 55 mass %, 50 mass %, 45 mass %, 40 mass %, 35 mass %, 30 mass %, 25 mass %, 20 mass %, 15 mass %, 10 mass %, 5 mass %, 2 mass %, 1 mass %, 0 mass %, etc. In one embodiment, the content is preferably 0 mass % to 80 mass %.

[0159] Additives for anchoring agents The anchoring agent may optionally contain an agent that does not fall into any of the above categories (anchor agent additive).

[0160] Examples of the additive for the anchoring agent include the additives described above.

[0161] In one embodiment, the content in parts by mass (additive for anchoring agent / anchor agent) is preferably less than 1 part by mass, less than 0.1 part by mass, less than 0.01 part by mass, 0 part by mass, or the like.

[0162] In one embodiment, the part by mass content (anchor agent additive / solid alumina particles), the part by mass content (anchor agent additive / poly(meth)acrylate), the part by mass content (anchor agent additive / photopolymerization initiator), and the part by mass content (anchor agent additive / organic solvent) are preferably less than 1 part by mass, less than 0.1 part by mass, less than 0.01 part by mass, 0 part by mass, etc.

[0163] The anchoring agent can be produced by dispersing and mixing the above agents.

[0164] In one embodiment, the present disclosure relates to a kit comprising the active energy ray-curable composition and the anchoring agent.

[0165] <Manufacturing method (laminate)> The manufacturing method (laminate) may include, for example, a method including the following steps. Anchor agent application process: A process of applying an anchor agent to at least one side of the substrate Active energy ray curable composition coating step: A step of coating the active energy ray curable composition onto the anchor agent coating layer. Curing step: A step of forming a cured layer of the active energy ray-curable composition by irradiating with active energy rays. The anchor agent coating step and the active energy ray-curable composition coating step are collectively referred to as the coating step.

[0166] (Coating process) Examples of the coating method include bar coater coating, wire bar coating, Mayer bar coating, air knife coating, gravure coating, reverse gravure coating, flow coater coating, offset printing, flexographic printing, and screen printing.

[0167] (hardening process) Examples of the active energy ray include ultraviolet rays and electron beams.

[0168] Examples of ultraviolet light sources include xenon lamps, high-pressure mercury lamps, and metal halide lamps.

[0169] When a high-pressure mercury lamp is used, the curing conditions are preferably the following conditions. Lamp output: 25W / cm~160W / cm UV illuminance: 10mW / cm 2 ~800mW / cm 2 Accumulated light output: 25mJ / cm 2 ~2000mJ / cm 2 Conveying speed: 1m / min to 50m / min

[0170] When electron beams are used, the curing conditions are preferably the following conditions. Acceleration voltage: 10 kV to 300 kV Conveying speed: 5m / min to 50m / min [Example]

[0171] The present invention will be described in detail below through examples and comparative examples. However, the above description and the following examples are not intended to limit the present invention. The present invention is limited only by the claims. Unless otherwise specified below, numerical values such as parts and % are based on mass.

[0172] Example The substances shown in the table below were mixed and then diluted to obtain an active energy ray-curable composition (dilution solvent: methyl isobutyl ketone, non-volatile content: 40%).

[0173] [Table 1] [Table 2]

[0174] NK Ester ATM-4E: Pentaerythritol 4 mole ethylene oxide modified tetraacrylate, manufactured by Shin-Nakamura Chemical Co., Ltd. NK Ester ATM-8E: Pentaerythritol 8 mol ethylene oxide modified tetraacrylate, manufactured by Shin-Nakamura Chemical Co., Ltd. NK Ester A-DPH-12E: Dipentaerythritol 12 mol ethylene oxide modified hexaacrylate, manufactured by Shin-Nakamura Chemical Co., Ltd. Aronix M510: Carboxyl group-containing poly(meth)acrylate, manufactured by Toagosei Co., Ltd. Aronix M306: Pentaerythritol triacrylate, manufactured by Toagosei Co., Ltd. Sururia 4320: hollow silica particles, 20% by mass methyl isobutyl ketone sol, manufactured by JGC Catalysts and Chemicals Co., Ltd. KY-1203: (meth)acryloyl group-containing perfluoropolyether, manufactured by Shin-Etsu Chemical Co., Ltd. NANOBYK-3611: solid alumina particles, manufactured by BYK Chemie ALMIBK30WT%-M47: Methacrylate-modified solid alumina particles, manufactured by CIK Nanotech Co., Ltd. Omnirad 127D: 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-benzyl]phenyl}-2-methyl-propan-1-one, IGM Resins

[0175] (anchor agent) An anchoring agent (non-volatile content 40% by mass) was prepared by mixing 66 parts by mass of aliphatic urethane acrylate (product name "BEAMSET 577" manufactured by Arakawa Chemical Industries, Ltd.), 22 parts by mass of dipentaerythritol polyacrylate (product name "NK Ester A-9550" manufactured by Shin-Nakamura Chemical Co., Ltd.), 9 parts by mass of solid alumina particles (product name "NANOBYK-3610" manufactured by BYK Chemie, 30% by mass methoxypropyl acetate), and 3 parts by mass of 1-[4-(2-hydroxyethoxy)-phenyl]-2-hydroxymethylpropanone (product name "Omnirad 2959" manufactured by IGM Resins) and diluting the mixture with methyl isobutyl ketone.

[0176] (laminate) (1) Anchor film was produced as follows: Substrate: PET film (product name "Lumirror 50U48", manufactured by Toray Industries, Inc.) Coating step: The anchor agent was applied to the substrate using a bar coater so that the film thickness after drying would be 4 μm. Curing process: After drying at 80°C for 1 minute, the product is immersed in a high-pressure mercury lamp (200 mJ / cm 2 ) and cured. (2) A laminate was produced in the following manner. Coating step: The active energy ray-curable composition was applied to the anchor film using a bar coater so that the film thickness after drying would be 100 nm. Curing process: After drying at 80°C for 1 minute, the product is cured under a nitrogen stream and exposed to a high-pressure mercury lamp (600 mJ / cm 2 ) and cured.

[0177] (Refractive index of cured product) The produced laminates were measured in the following manner. Standard: JIS K7142:2014 Equipment: Abbe refractometer (product name "NAR-1T SOLID", manufactured by Atago Co., Ltd.) Refractive index: Refractive index of sodium at the wavelength of the D line

[0178] (Total light transmittance and haze) The produced laminates were measured in the following manner. Standard: JIS K 7361-1:1997 Equipment: Haze meter (product name "HZ-V3", manufactured by Suga Test Instruments Co., Ltd.)

[0179] (Surface roughness: Sdr of 1 μm square) Standard: ASME B46.12 Equipment: Atomic force microscope (product name "Dimension Icon", manufactured by Bruker) Sdr: Developed area ratio of the interface

Claims

1. An active energy ray-curable composition, the active energy ray-curable composition comprising an alkylene oxide-modified poly(meth)acrylate, an oxygen-hydrogen bond-containing poly(meth)acrylate, hollow inorganic particles, and a surface conditioner.

2. The active energy ray-curable composition according to claim 1 , comprising solid alumina particles.

3. A cured product of the active energy ray-curable composition according to claim 1 or 2.

4. A laminate comprising the cured product according to claim 3.

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