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

Abstract

[Problem] To provide an active energy ray-curable composition, a cured product, and a laminate. [Technical means] An active energy ray-curable composition containing an alkylene oxide-modified poly (meth) acrylate, a poly (meth) acrylate containing an oxygen-hydrogen bond, hollow inorganic particles, and a surface conditioning agent.

Description

Technical Field

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

[0002] In recent years, liquid crystal display devices have been used as display devices for televisions, personal computers, and the like. In such liquid crystal display devices, in order to prevent reflection of external light and improve image quality, an antireflection film containing a low refractive index layer has been proposed (Patent Document 1). [Prior Art Documents] [Patent Documents]

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

[0004] The technical problem to be solved by the present invention is to provide an actinic energy ray-curable composition capable of producing a cured product with a small surface roughness. [Technical Means for Solving the Technical Problem]

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

[0006] The one or more features may be further combined and provided in addition to the explicitly shown combinations. [Advantageous Effects]

[0007] The cured product of the present invention has a small surface roughness. Detailed Description of the Invention

[0008] Throughout the present disclosure, the ranges of physical property values, contents, and other numerical values can be appropriately set (for example, selected from the values described in the following items). Specifically, regarding the numerical value α, when A3, A2, A1 (assuming A3 > A2 > A1) are cited, the range of the numerical value α can be cited as being 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 A2 or less), 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 A3 or less, greater than A1 and A2 or less, greater than A2 and A3 or less, etc.

[0009] As long as the problems to be solved by the present invention are solved, the respective components, conditions, numerical values, etc. are not particularly limited.

[0010] The "αβ amount (A / B)" means the β amount (α) of A relative to 100α of B. α is cited, for example, as mass%, mol%, parts by mass, etc. The β amount is cited, for example, as content, usage amount, etc. The "mass% content (A / B)" means the content (mass%) of A relative to 100 mass% of B.

[0011] The "γ ratio (A / B)" means the γ ratio calculated by the formula "A ÷ B". The γ ratio is cited, for example, as mass ratio, mol ratio, etc.

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

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

[0014] "(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, which contains: an alkylene oxide modified poly(meth)acrylate, a poly(meth)acrylate containing an oxygen-hydrogen bond, hollow inorganic particles, and a surface conditioner.

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

[0017] Examples of alkylene oxide-modified poly(meth)acrylates include ethylene oxide-modified poly(meth)acrylates, propylene oxide-modified poly(meth)acrylates, and the like.

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

[0019] ((poly)pentaerythritol alkylene oxide-modified poly(meth)acrylate) Examples of (poly)pentaerythritol alkylene oxide-modified poly(meth)acrylates include pentaerythritol alkylene oxide-modified poly(meth)acrylates, poly-pentaerythritol alkylene oxide-modified poly(meth)acrylates, and the like.

[0020] Examples of pentaerythritol alkylene oxide-modified poly(meth)acrylates include pentaerythritol ethylene oxide-modified poly(meth)acrylates, pentaerythritol propylene oxide-modified poly(meth)acrylates, and the like.

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

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

[0023] Examples of poly-pentaerythritol alkylene oxide-modified poly(meth)acrylates include poly-pentaerythritol ethylene oxide-modified poly(meth)acrylates, poly-pentaerythritol propylene oxide-modified poly(meth)acrylates, and the like.

[0024] Examples of poly-pentaerythritol 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, 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, etc.

[0025] Examples of poly-pentaerythritol 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, 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, tripentaerythritol propylene oxide-modified octa(meth)acrylate, etc.

[0026] ((Poly)trimethylolpropane alkylene oxide-modified poly(meth)acrylate) Examples of (poly)trimethylolpropane alkylene oxide-modified poly(meth)acrylates include trimethylolpropane alkylene oxide-modified poly(meth)acrylate, polytrimethylolpropane alkylene oxide-modified poly(meth)acrylate, etc.

[0027] Examples of trimethylolpropane alkylene oxide-modified poly(meth)acrylates include trimethylolpropane ethylene oxide-modified poly(meth)acrylate, trimethylolpropane propylene oxide-modified poly(meth)acrylate, etc.

[0028] Examples of trimethylolpropane ethylene oxide-modified poly(meth)acrylates include trimethylolpropane ethylene oxide-modified di(meth)acrylate, trimethylolpropane ethylene oxide-modified tri(meth)acrylate, etc.

[0029] Trimethylolpropane propylene oxide modified poly(meth)acrylates include, for example, trimethylolpropane propylene oxide modified di(meth)acrylates, trimethylolpropane propylene oxide modified tri(meth)acrylates, etc.

[0030] Polytrimethylolpropane alkylene oxide modified poly(meth)acrylates include, for example, polytrimethylolpropane ethylene oxide modified poly(meth)acrylates, polytrimethylolpropane propylene oxide modified poly(meth)acrylates, etc.

[0031] Polytrimethylolpropane ethylene oxide modified poly(meth)acrylates include, for example, bis-trimethylolpropane ethylene oxide modified di(meth)acrylates, bis-trimethylolpropane ethylene oxide modified tri(meth)acrylates, bis-trimethylolpropane ethylene oxide modified tetra(meth)acrylates, etc.

[0032] Polytrimethylolpropane propylene oxide modified poly(meth)acrylates include, for example, bis-trimethylolpropane propylene oxide modified di(meth)acrylates, bis-trimethylolpropane propylene oxide modified tri(meth)acrylates, bis-trimethylolpropane propylene oxide modified tetra(meth)acrylates, etc.

[0033] ((Poly)glycerol alkylene oxide modified poly(meth)acrylates) (Poly)glycerol alkylene oxide modified poly(meth)acrylates include, for example, glycerol alkylene oxide modified poly(meth)acrylates, polyglycerol alkylene oxide modified poly(meth)acrylates, etc.

[0034] Glycerol alkylene oxide modified poly(meth)acrylates include, for example, glycerol ethylene oxide modified poly(meth)acrylates, glycerol propylene oxide modified poly(meth)acrylates, etc.

[0035] Glycerol ethylene oxide modified poly(meth)acrylates include, for example, glycerol ethylene oxide modified di(meth)acrylates, glycerol ethylene oxide modified tri(meth)acrylates, etc.

[0036] Glycerol propylene oxide modified poly(meth)acrylates include, for example, glycerol propylene oxide modified di(meth)acrylates, glycerol propylene oxide modified tri(meth)acrylates, etc.

[0037] Polyglycerol alkylene oxide modified poly(meth)acrylates include, for example, polyglycerol ethylene oxide modified poly(meth)acrylates, polyglycerol propylene oxide modified poly(meth)acrylates, etc.

[0038] Polyglycerol ethylene oxide modified poly(meth)acrylates include, for example, diglycerol ethylene oxide modified di(meth)acrylates, diglycerol ethylene oxide modified tri(meth)acrylates, diglycerol ethylene oxide modified tetra(meth)acrylates, etc.

[0039] Examples of polyglycerol propylene oxide-modified poly(meth)acrylates include diglycerol propylene oxide-modified di(meth)acrylate, diglycerol propylene oxide-modified tri(meth)acrylate, diglycerol propylene oxide-modified tetra(meth)acrylate, and the like.

[0040] The mass% content (epoxy alkane-modified poly(meth)acrylate / non-volatile component of the active energy ray curable composition) includes, for example, 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%, and the like. In one embodiment, the content is preferably 1 mass% to 30 mass%, and more preferably 1 mass% to 26 mass%.

[0041] The mass% content (epoxy alkane-modified poly(meth)acrylate / active energy ray curable compound) includes, for example, 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%, and the like. In one embodiment, the content is preferably 12 mass% to 95 mass%.

[0042] The molar ratio (average number of moles of epoxy alkane added / (number of (meth)acrylate groups)) includes, for example, 9, 8.75, 8, 7, 6, 5, 4, 3, 2, 1, and the like. In one embodiment, the molar ratio is preferably 1 to 9, and more preferably 2 to 9.

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

[0044] "The poly(meth)acrylate containing an oxygen-hydrogen bond" refers to a poly(meth)acrylate having an oxygen-hydrogen bond in a state where the pH is 7 or less. The poly(meth)acrylate containing an oxygen-hydrogen bond can form a salt in a state where the pH is higher than 7.

[0045] Examples of the poly(meth)acrylate containing an oxygen-hydrogen bond include hydroxy-containing poly(meth)acrylate, carboxy-containing poly(meth)acrylate, sulfonic acid group-containing poly(meth)acrylate, phosphoric acid group-containing poly(meth)acrylate, and the like.

[0046] (Hydroxy-containing poly(meth)acrylate) Hydroxy group-containing poly(meth)acrylates include, for example, hydroxy group-containing pentaerythritol poly(meth)acrylates, hydroxy group-containing poly-pentaerythritol poly(meth)acrylates, hydroxy group-containing trimethylolpropane poly(meth)acrylates, hydroxy group-containing poly-trimethylolpropane poly(meth)acrylates, hydroxy group-containing glycerol poly(meth)acrylates, hydroxy group-containing poly-glycerol poly(meth)acrylates, and the like.

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

[0048] Examples of hydroxy group-containing poly-pentaerythritol 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, tripentaerythritol hepta(meth)acrylate, and the like.

[0049] Examples of hydroxy group-containing trimethylolpropane poly(meth)acrylates include trimethylolpropane di(meth)acrylate, and the like.

[0050] Examples of hydroxy group-containing poly-trimethylolpropane poly(meth)acrylates include bis-trimethylolpropane di(meth)acrylate, bis-trimethylolpropane tri(meth)acrylate, and the like.

[0051] Examples of hydroxy group-containing glycerol poly(meth)acrylates include glycerol di(meth)acrylate, and the like.

[0052] Examples of hydroxy group-containing poly-glycerol poly(meth)acrylates include diglycerol di(meth)acrylate, diglycerol tri(meth)acrylate, and the like.

[0053] (Carboxyl group-containing poly(meth)acrylates) Examples of carboxyl group-containing poly(meth)acrylates include reaction products of hydroxy group-containing poly(meth)acrylates and carboxylic anhydrides, and the like.

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

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

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

[0057] Examples of the molecular weight (poly(meth)acrylate containing an oxygen-hydrogen bond) include 50000, 40000, 30000, 20000, 10000, 5000, 4000, 2000, 1000, 900, 800, 700, 600, 500, 450, 400, 300, 250, 100, etc. In one embodiment, the molecular weight is preferably 100 to 50000.

[0058] The "molecular weight" refers to either the formula weight or the number-average molecular weight. In the case where the structure of the compound can be uniquely represented by a specific chemical formula (i.e., the molecular weight distribution is 1), the molecular weight refers to the formula weight. On the other hand, in the case where the structure of the compound cannot be uniquely represented by a specific chemical formula (i.e., the molecular weight distribution is greater than 1), the molecular weight refers to the number-average molecular weight.

[0059] The acid value (of the poly(meth)acrylate containing an oxygen-hydrogen bond) 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 KOH / g, 160 mg KOH / g, 150 mg KOH / g, 140 mg KOH / g, 130 mg KOH / g, 120 mg KOH / g, 110 mg KOH / g, 100 mg KOH / g, 90 mg KOH / g, 80 mg KOH / g, 70 mg KOH / g, 60 mg KOH / g, 50 mg KOH / g, 40 mg KOH / g, 30 mg KOH / g, 20 mg KOH / g, 10 mg KOH / g, etc. In one embodiment, the acid value is preferably selected from 10 mg KOH / g to 300 mg KOH / g.

[0060] The hydroxyl value (of the poly(meth)acrylate containing an oxygen-hydrogen bond) 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, 150 mg KOH / g, 140 mg KOH / g, 130 mg KOH / g, 120 mg KOH / g, 110 mg KOH / g, 100 mg KOH / g, 90 mg KOH / g, 80 mg KOH / g, 70 mg KOH / g, 60 mg KOH / g, 50 mg KOH / g, 40 mg KOH / g, 30 mg KOH / g, 20 mg KOH / g, 10 mg KOH / g, 5 mg KOH / g, 0 mg KOH / g, etc. In one embodiment, the hydroxyl value is preferably selected from 0 mg KOH / g to 280 mg KOH / g, and more preferably from 10 mg KOH / g to 280 mg KOH / g.

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

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

[0063] Mass% content (poly(meth)acrylate containing oxygen-hydrogen bonds / non-volatile component of the active energy ray curable composition) includes, for example, 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%, 15 mass%, etc. In one embodiment, the content is preferably selected from 15 mass% to 70 mass%, and more preferably from 20 mass% to 70 mass%.

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

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

[0066] The shape (hollow inorganic particles) includes, for example, spherical, rod-shaped, plate-shaped, fibrous, irregular shape, etc.

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

[0068] Examples of the modified hollow inorganic particles include (meth)acrylate modified hollow inorganic particles, silicone modified hollow inorganic particles, etc.

[0069] Mass% content (modified part / modified hollow inorganic particles) includes, for example, 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 selected from 0.01 mass% to 40 mass%, more preferably from 0.1 mass% to 30 mass%, and further preferably from 1 mass% to 20 mass%.

[0070] Examples of the product (hollow inorganic particles) include Thruia 5320, Thruia 4320, Thruia 4110, Thruia 2320, Thruia 1110, JX1008SIV, JX1009SIV (manufactured by JGC Catalysts and Chemicals Ltd.), Silenax (manufactured by Nippon Steel Mining Co., Ltd.), etc.

[0071] Examples of the particle size (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, 40 nm, etc. In one embodiment, the particle size is preferably selected from 40 nm to 100 nm.

[0072] The particle size (hollow inorganic particles) is measured using a scanning electron microscope (e.g., JSM-7800F Prime manufactured by JEOL Ltd.) and a STEM detector (manufactured by DEBEN UK Ltd.). Specifically, the measurement is performed in the following order. (1) Dilute the particle sample with methyl isobutyl ketone to an active ingredient of 0.2%, and stir well. (2) Place 1 drop of the above dispersion on a microgrid with a support film for STEM (High-Res Carbon HRC-C10 STEM Cu100P grid specification (manufactured by STEM Co., Ltd.)), and use the dried substance as the measurement sample. (3) Using a scanning electron microscope, under the condition of an acceleration voltage of 30 kV, obtain an image at a magnification (e.g., 300k times) that can sufficiently measure the particle length within the field of view, randomly measure the particle sizes of 50 particles, and calculate the particle size based on the number. The measurement of the particle size can be performed 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 (hollow inorganic particles) is preferably selected from 1.1 to 1.5.

[0074] The refractive index (hollow inorganic particles) is calculated as follows: In an active energy ray curable resin (e.g., dipentaerythritol polyacrylate manufactured by Shin-Nakamura Chemical Co., Ltd.: product name NK Ester A-9550W), films of the test substance containing 1 mass%, 10 mass%, and 20 mass% in terms of non-volatile component ratio are formed, and using an Abbe refractometer (product name "NAR-1T SOLID", manufactured by Atago Co., Ltd.), based on JIS K 7142:2014, the refractive index with respect to the wavelength of the D line of sodium is measured, and extrapolated to a non-volatile component ratio of 100 mass% for calculation.

[0075] The mass% content (hollow inorganic particles / non-volatile components of the active energy ray curable composition) includes, for example, 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 selected from 20 mass% to 65 mass%.

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

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

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

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

[0080] "Perfluoropolyether containing (meth)acryloyl groups" refers to a compound in which one or more (meth)acryloyl groups are bonded to the perfluoropolyether. "Perfluoropolyether" refers to a compound having a perfluoroalkylene ether as a repeating unit.

[0081] Examples of the perfluoropolyether containing (meth)acryloyl groups include perfluoropolyethers having (meth)acryloyl groups at both ends, perfluoropolyethers having (meth)acryloyl groups at one end, etc.

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

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

[0084] The mass % content (surface conditioner / non-volatile components of the active energy ray curable composition) includes, for example, 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 components of the active energy ray curable composition) is preferably selected from 1 mass% to 10 mass%, and more preferably greater 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 can be used alone or in combination of two or more.

[0086] "Alumina" refers to alumina (Al2O3).

[0087] The form (alumina) includes, for example, α-type, γ-type, σ-type, their mixtures, etc.

[0088] The shape (solid alumina particles) includes, for example, spherical, rod-shaped, plate-shaped, fibrous, irregular shape, etc.

[0089] In one embodiment, the solid alumina particles are preferably modified solid alumina particles. The modified solid alumina particles include, for example, (meth)acrylic acid modified solid alumina particles, silicone modified solid alumina particles, etc.

[0090] Products (solid alumina particles) include, for example, Aluminosol F-3000 (manufactured by Kawaken Fine Chemical Co., Ltd.), Bilal AL-7 (manufactured by Taki Chemical Co., Ltd.), NANOBYK-3610, (manufactured by BYK Chemie), Optisol LAA530U (manufactured by RANCO), ALMIBK-M47 (manufactured by CIK Nanotech), etc. 3611 (manufactured by BYK Chemie), Optisol LAA530U (manufactured by RANCO), ALMIBK-M47 (manufactured by CIK Nanotech), etc.

[0091] The primary particle size (solid alumina particles) includes, for example, 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, 3 nm, etc. In one embodiment, the primary particle size is preferably selected from 3 nm to 110 nm.

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

[0093] The secondary particle size (solid alumina particles) includes, for example, 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, 25 nm, etc. In one embodiment, the secondary particle size is preferably selected from 25 nm to 200 nm.

[0094] The secondary particle size (solid alumina particles) is measured in the following order. First, the particle sample is diluted with methyl isobutyl ketone to 1% of the active ingredient to prepare a sample solution. Then, the prepared sample solution is measured using a nano-particle size measuring device based on the dynamic light scattering method (product name "NanoTrack UPA-EX150 (manufactured by Microtrack Bell Co., Ltd.)"). The particle size obtained by this measurement method is the volume average particle size, and the value of the median diameter is taken as the particle size.

[0095] The mass% content (solid alumina particles / non-volatile components of the active energy ray curable composition) includes, for example, 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 selected from 0 mass% to 15 mass%, more preferably from 2 mass% to 15 mass%, and further preferably from 6 mass% to 15 mass%.

[0096] <Poly(meth)acrylate that is neither an alkylene oxide-modified poly(meth)acrylate nor a poly(meth)acrylate containing an oxygen-hydrogen bond: 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 a poly(meth)acrylate containing an oxygen-hydrogen bond (other poly(meth)acrylates). The other poly(meth)acrylates can be used alone or in combination of two or more.

[0097] Examples of other poly(meth)acrylates include pentaerythritol tetra(meth)acrylate, dipentaerythritol hexa(meth)acrylate, trimethylolpropane tri(meth)acrylate, bis-trimethylolpropane tetra(meth)acrylate, glycerol tri(meth)acrylate, diglycerol tetra(meth)acrylate, polyurethane poly(meth)acrylate, etc.

[0098] Examples of polyurethane poly(meth)acrylate include reaction products of a compound group including a hydroxyl group-containing poly(meth)acrylate, a polyisocyanate, and, if necessary, a polyol, etc.

[0099] Hydroxyl group-containing poly(meth)acrylates include, for example, the above-mentioned compounds and the like.

[0100] Polyisocyanates include, for example, linear aliphatic polyisocyanates, branched aliphatic polyisocyanates, alicyclic polyisocyanates, aromatic polyisocyanates, and their biuret forms, isocyanurate forms, urethane forms, adduct forms, etc.

[0101] Linear aliphatic polyisocyanates include, for example, methylene diisocyanate, dimethylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, heptamethylene diisocyanate, octamethylene diisocyanate, nonamethylene diisocyanate, decamethylene diisocyanate, etc.

[0102] Branched aliphatic polyisocyanates include, for example, diethyl amylenediisocyanate, trimethyl butylenediisocyanate, trimethyl pentylenediisocyanate, trimethyl hexamethylenediisocyanate, etc.

[0103] Alicyclic polyisocyanates include, for example, monocyclic alicyclic polyisocyanates, bridged alicyclic polyisocyanates, fused alicyclic polyisocyanates, etc.

[0104] Monocyclic alicyclic polyisocyanates include, for example, hydrogenated xylene diisocyanate, isophorone diisocyanate, cyclopentylidene diisocyanate, cyclohexylidene diisocyanate, cycloheptylidene diisocyanate, cyclodecylidene diisocyanate, 3,5,5-trimethylcyclohexylidene diisocyanate, dicyclohexylmethane diisocyanate, etc.

[0105] Bridged alicyclic polyisocyanates include, for example, tricyclodecylidene diisocyanate, adamantane diisocyanate, norbornene diisocyanate, etc.

[0106] Fused alicyclic polyisocyanates include, for example, bis(cyclodecylidene) diisocyanate, etc.

[0107] Aromatic polyisocyanates include, for example, monocyclic aromatic polyisocyanates, fused aromatic polyisocyanates, etc.

[0108] Monocyclic aromatic polyisocyanates include, for example, dialkyldiphenylmethane diisocyanates such as 4,4'-diphenyldimethylmethane diisocyanate, tetraalkyldiphenylmethane diisocyanates such as 4,4'-diphenyltetramethylmethane diisocyanate, 4,4'-diphenylmethane diisocyanate, 4,4'-dibenzyl diisocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, toluene diisocyanate, xylylene diisocyanate (xylylene diisocyanate (d), tetramethyl-m-xylylene diisocyanate (m-tetramethylxylylene diisocyanate), and the like.

[0109] Examples of polycyclic aromatic polyisocyanates include 1,5-naphthalene diisocyanate and the like.

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

[0111] The mass% content (other poly(meth)acrylates / non-volatile components of the active energy ray curable composition) includes, for example, 42 mass%, 40 mass%, 35 mass%, 30 mass%, 25 mass%, 20 mass%, 15 mass%, 10 mass%, 5 mass%, 0 mass%, and the like. In one embodiment, the content is preferably 0 mass% to 42 mass%.

[0112] <Photoinitiator> In one embodiment, the active energy ray curable composition may optionally contain a photoinitiator. The photoinitiator can be used alone or in combination of two or more.

[0113] Examples of photoinitiators include photoinitiators containing an α-hydroxy dimethylacetophenone group, α-hydroxy cycloalkyl phenyl ketones, α-amino phenyl alkyl ketones, benzil dimethyl ketal, unsubstituted or substituted phenyl alkyl ketones, unsubstituted or substituted benzil (benzyl), unsubstituted or substituted benzophenones, acylphosphine oxides, substituted thioxanthones, oxime esters, and the like.

[0114] Examples of photoinitiators containing an α-hydroxy dimethylacetophenone group include 2-hydroxy-2-methyl-1-phenylpropanone, 1-[4-(2-hydroxyethoxy)phenyl]-2-hydroxy-2-methylpropanone, 2-hydroxy-1-(4-(4-(2-hydroxy-2-methylpropanoyl)benzyl)phenyl)-2-methylpropan-1-one, and the like.

[0115] Examples of α-hydroxy cycloalkyl phenyl ketones include 1-hydroxycyclohexyl phenyl ketone and the like.

[0116] Examples of α-amino phenyl alkyl ketones include 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one and the like.

[0117] Examples of benzil dimethyl ketal include 2,2-dimethoxy-1,2-diphenylethane-1-one and the like.

[0118] Examples of the unsubstituted or substituted alkyl phenone 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-diphenylethane-1-one.

[0119] Examples of unsubstituted or substituted benzil include benzil and anisil.

[0120] Examples of the unsubstituted or substituted benzophenone 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-diphenylphosphine oxide and bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide.

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

[0123] Examples of oxime esters include 1,2-octanedione, 1-[4-(phenylthio)-, 2-(o-benzoyloxime)] (1,2-oktandione, 1-[4-(fenilthio)-, 2-(o-benziluoxime)]) (i.e., 2-((benzoyloxy)imino)-1-(4-(phenylthio)phenyl)octan-1-one); Ethyl ketone,1-[9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]-,1-(ortho Acetyl oxime)(エタノン,1-[9-エチル-6-(2-メチルベンゾイル)-9H-カルバゾール-3-イル]-, 1-(O-アセチルオキシム)) (i.e. 1-((((1-(9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl)ethylene)amino)oxy)ethane-1-one, etc.

[0124] When electron beam curing is performed, no photopolymerization initiator is required.

[0125] The mass% content (photoinitiator / non-volatile components of the actinic energy ray-curable composition) includes, for example, 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 selected from 0 mass% to 10 mass%, and more preferably from 1 mass% to 6 mass%.

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

[0127] Examples of the organic solvent include ketone solvents, aromatic solvents, alcohol solvents, glycol solvents, glycol ether solvents, ester solvents, petroleum solvents, halogenated alkane solvents, amide solvents, etc.

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

[0129] Examples of the aromatic solvent include toluene, xylene, etc.

[0130] Examples of the alcohol solvent include methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol, tert-butanol, etc.

[0131] Examples of the glycol solvent include ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, triethylene glycol, tripropylene glycol, polyethylene glycol, polypropylene glycol, etc.

[0132] Examples of the glycol ether solvent 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 monon-propyl ether, ethylene glycol monoisopropyl ether, ethylene glycol monon-butyl ether, ethylene glycol monoisobutyl ether, ethylene glycol monoter-butyl ether, etc.

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

[0134] Examples of the petroleum solvent include Solvesso #100 (manufactured by Exxon), Solvesso #150 (manufactured by Exxon), etc.

[0135] Examples of the halogenated alkane solvent include chloroform, etc.

[0136] Examples of the amide solvent include dimethylformamide, etc.

[0137] The mass% content (organic solvent / active energy ray curable composition) includes, for example, 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%, 0 mass%, etc. In one embodiment, the content is preferably selected from 0 mass% to 99 mass%.

[0138] <Additive> The active energy ray curable composition may optionally contain a reagent (additive) that does not belong to any of the above.

[0139] Examples of additives include ultraviolet absorbers, defoamers, surface conditioners, anti-fouling agents, pigments, etc.

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

[0141] In one embodiment, the mass part content (additive / epoxy alkane modified poly(meth)acrylate), the mass part content (additive / poly(meth)acrylate containing an oxygen-hydrogen bond), the mass part content (additive / hollow inorganic particles), the mass part content (additive / surface conditioner), the mass part content (additive / solid alumina particles), the mass part content (additive / photoinitiator), the mass part content (additive / organic solvent) are preferably less than 1 mass part, less than 0.1 mass part, less than 0.01 mass part, 0 mass part, etc.

[0142] The active energy ray curable composition can be produced by dispersing and mixing the above reagents.

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

[0144] Examples of the use (active energy ray curable composition) include a coating agent, a hard coating agent, a transparent coating agent, a transparent hard coating agent, an anti-glare coating agent, an anti-glare hard coating agent, a coating agent for an optical film, a hard coating agent for an optical film, a low refractive index coating agent, a low refractive index hard coating agent, etc.

[0145] Specific examples of the composition of the active energy ray curable composition include the following compositions, etc. The numbers in the table represent mass parts. In addition, in the examples, the components in the table are described.

Table EX1

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

[0147] Curing conditions include, for example, the following conditions.

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

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

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

[0151] In one embodiment, the thickness (substrate) is preferably selected from 1 μm to 125 μm.

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

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

[0154] <Anchor coat> Examples of the solid alumina particles, poly(meth)acrylate, photoinitiator, and organic solvent used in the anchor coat include the above-mentioned compounds. The solid alumina particles, poly(meth)acrylate, photoinitiator, and organic solvent can each be used alone or in combination of two or more.

[0155] The mass% content (solid alumina particles / non-volatile components of the anchor coat) includes, for example, 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 selected from 0 mass% to 18 mass%, and more preferably from 2 mass% to 18 mass%.

[0156] The mass% content (poly(meth)acrylate / non-volatile component of the anchoring agent) includes, for example, 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 selected from 0 mass% to 94 mass%.

[0157] The mass% content (photoinitiator / non-volatile component of the anchoring agent) includes, for example, 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 selected from 0 mass% to 10 mass%.

[0158] The mass% content (organic solvent / anchoring agent) includes, for example, 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 selected from 0 mass% to 80 mass%.

[0159] · Additives for the anchoring agent The said anchoring agent may optionally contain a reagent (additive for the anchoring agent) that does not belong to any of the above.

[0160] Additives for the anchoring agent include, for example, the said additives, etc.

[0161] In one embodiment, the parts-by-mass content (additive for the anchoring agent / anchoring 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, etc.

[0162] In one embodiment, the parts-by-mass content (additive for the anchoring agent / solid alumina particles), the parts-by-mass content (additive for the anchoring agent / poly(meth)acrylate), the parts-by-mass content (additive for the anchoring agent / photoinitiator), and the parts-by-mass content (additive for the anchoring agent / 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 manufactured by dispersing and mixing the above-mentioned reagents.

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

[0165] <Manufacturing Method (Laminate)> Examples of the manufacturing method (laminate) include the following process methods and the like. Anchoring agent coating step: A step of coating an anchoring agent on at least one surface of a substrate Active energy ray curable composition coating step: A step of coating an active energy ray curable composition on at least one surface of the anchoring agent coating layer Curing step: A step of forming a cured product layer of the active energy ray curable composition by irradiating active energy rays The anchoring agent coating step and the active energy ray curable composition coating step are also collectively referred to as the coating step.

[0166] (Coating step) 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, screen printing method, and the like.

[0167] (Curing step) Examples of the active energy rays include ultraviolet rays, electron beams, and the like.

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

[0169] In the case of using a high-pressure mercury lamp, the curing conditions preferably include the following conditions and the like. Lamp output: 25 W / cm to 160 W / cm UV illuminance: 10 mW / cm 2 to 800 mW / cm 2 Cumulative light amount: 25 mJ / cm 2 to 2000 mJ / cm 2 Conveyor speed: 1 m / minute to 50 m / minute

[0170] In the case of using an electron beam, the curing conditions preferably include the following conditions and the like. Accelerating voltage: 10 kV to 300 kV Conveyor speed: 5 m / minute to 50 m / minute [Examples]

[0171] Hereinafter, the present invention will be specifically described by way of examples and comparative examples. However, the above description and the following examples are not described for the purpose of limiting the present invention. The present invention is only limited by the scope of the claims. Unless otherwise specified, the values such as parts and % are based on mass.

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

[0173] [Table 1] [Table 2]

[0174] NK Ester ATM-4E: Pentaerythritol 4 mol 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. Thruia 4320: Hollow silica particles, 20 mass% methyl isobutyl ketone sol, manufactured by JGC Catalysts and Chemicals Ltd. KY-1203: (Meth)acryloyl group-containing perfluoropolyether, manufactured by Shin-Etsu Chemical Co., Ltd. NANOBYK-3611: Solid alumina particles, manufactured by BYK Chemie GmbH; ALMIBK30WT%-M47: Solid alumina particles modified with methacrylic acid, 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, manufactured by IGM Resins B.V.

[0175] (Anchoring agent) 66 parts by mass of aliphatic polyurethane acrylate (product name "Beam Set 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-361 0", 30 mass% methoxypropyl acetate, manufactured by BYK Chemie), 3 parts by mass of 1-[4-(2-hydroxyethoxy)-phenyl]-2-hydroxy-methylacetone (product name "Omnirad 2959", manufactured by IGM Resins) were mixed and diluted with methyl isobutyl ketone to prepare an anchor agent (nonvolatile content: 40 mass%).

[0176] (Laminate) (1) An anchor film was manufactured according to the following points. Substrate: PET film (product name "Lumirror 50U48", manufactured by Toray Industries, Inc.) Coating step: The above-mentioned anchor agent was coated on the substrate using a bar coater to obtain a dried film thickness of 4 μm. Curing step: After drying at 80 °C for 1 minute, it was cured with a high-pressure mercury lamp (200 mJ / cm 2 ). (2) A laminate was manufactured according to the following points. Coating step: The active energy ray-curable composition was coated on the anchor film using a bar coater to obtain a dried film thickness of 100 nm. Curing step: After drying at 80 °C for 1 minute, it was cured with a high-pressure mercury lamp (600 mJ / cm 2 ) under a nitrogen gas stream.

[0177] (Refractive index of cured product) For the manufactured laminate, the measurement was carried out according to the following points. Specification: JIS K7142:2014 Apparatus: Abbe refractometer (product name "NAR-1T SOLID", manufactured by Atago Co., Ltd.) Refractive index: Refractive index with respect to the wavelength of the D line of sodium

[0178] (Total light transmittance and haze) For the manufactured laminate, the measurement was carried out according to the following points. Specification: JIS K7361-1:1997 Apparatus: Haze meter (product name "HZ-V3", manufactured by Suga Test Instruments Co., Ltd.)

[0179] (Surface roughness: Sdr at 1 μm angle) Specification: ASME B 46.12 Apparatus: Atomic Force Microscope (product name "Dimension Icon", manufactured by Bruker) Sdr: Unrolled area ratio of the interface

Claims

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

2. The radiation curable composition according to claim 1, comprising solid alumina particles.

3. A cured product of the radiation curable composition according to claim 1 or 2.

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

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