Transfer film and antiglare molded body

Abstract

To simultaneously realize transparency and antiglare properties in a transfer film capable of transferring a transfer layer having a surface protective layer onto a transfer-target body.SOLUTION: A transfer film includes a base material film and a transfer layer. The transfer layer includes a surface protective layer and an adhesion layer. The surface protective layer constitutes a surface layer at a base material film side on the transfer layer. A haze is 5% to 30% with regard to a test piece obtained by transferring the transfer layer onto a polycarbonate plate of 2 mm thick. In the transfer film, 60-degree specular glossiness is 60% to 120% when measured at a surface protective layer face of the test piece.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present disclosure relates to a transfer film and an antiglare molded body.

Background Art

[0002] In order to impart scratch resistance and the like to a molded body, a surface protective layer is provided on the surface of the molded body. The surface protective layer is formed, for example, by coating or using a transfer film (see, for example, Patent Document 1). (For example, see Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] Molded bodies used outdoors are required to have transparency depending on the application, and in addition to transparency, it may be desirable to further have antiglare properties (anti-glare properties). The present inventors have considered enhancing the antiglare properties by using an antiglare film. However, according to the studies of the present inventors, it has been found that when very high antiglare properties are imparted to an outdoor-use molded body using a transfer film, the transparency required for outdoor use is not sufficient. In addition to transparency, it may be desirable to further have antiglare properties (anti-glare properties). The present inventors have considered enhancing the antiglare properties by using an antiglare film. However, according to the studies of the present inventors, it has been found that when very high antiglare properties are imparted to an outdoor-use molded body using a transfer film, the transparency required for outdoor use is not sufficient. [[ID=ID=43]]However, according to the studies of the present inventors, it has been found that when very high antiglare properties are imparted to an outdoor-use molded body using a transfer film, the transparency required for outdoor use is not sufficient. However, according to the studies of the present inventors, it has been found that when very high antiglare properties are imparted to an outdoor-use molded body using a transfer film, the transparency required for outdoor use is not sufficient. However, according to the studies of the present inventors, it has been found that when very high antiglare properties are imparted to an outdoor-use molded body using a transfer film, the transparency required for outdoor use is not sufficient.

[0005] One problem of the present disclosure is to achieve both transparency and antiglare properties in a transfer film capable of transferring a transfer layer having a surface protective layer onto a transfer target. One problem of the present disclosure is to achieve both transparency and antiglare properties in a transfer film capable of transferring a transfer layer having a surface protective layer onto a transfer target.

Means for Solving the Problems

[0006] The transfer film of this disclosure comprises a base film and a transfer layer, wherein the transfer layer is a surface protective layer and Having an adhesive layer, the surface protective layer constitutes the surface layer on the substrate film side of the transfer layer, and the transfer layer The haze of the test specimen obtained by transferring the image onto a 2mm thick polycarbonate plate is between 5% and 30%. Below, the 60-degree specular gloss measured on the surface protective layer of the test specimen is 60% or higher. It is less than 0%. The anti-glare molded article of this disclosure comprises a molded article and a surface provided on at least a portion of the surface of the molded article. The transfer film comprises a surface protective film, and the surface protective film is the transfer layer in the transfer film. Furthermore, the surface protective layer in the transfer layer constitutes at least a portion of the surface layer of the anti-glare molded body. [Effects of the Invention]

[0007] According to this disclosure, a transfer film is provided that can transfer a transfer layer having a surface protective layer onto a transfer target. This allows for both transparency and anti-glare properties. [Brief explanation of the drawing]

[0008] [Figure 1] Figure 1 is a schematic cross-sectional view of one embodiment of the transfer film of the present disclosure. [Figure 2] Figure 2 is a schematic cross-sectional view of one embodiment of the transfer film of the present disclosure. [Figure 3] Figure 3 is a schematic cross-sectional view of one embodiment of the anti-glare molded article of the present disclosure. [Modes for carrying out the invention]

[0009] The embodiments of the transfer film etc. of the present disclosure will be described in detail below. Films and the like can be implemented in many different forms, and are not limited to the embodiments described below. Not interpretable. The drawings, compared to the embodiments, show the width, thickness, and of each layer to make the explanation clearer. Although it may be schematically represented in terms of shape etc., it is merely an example and does not limit the interpretation of the transfer film etc. of the present disclosure. In this specification and each figure, elements similar to those already described with respect to the previously presented figures may be assigned the same reference numerals, and detailed descriptions may be omitted as appropriate. In this specification and each figure, elements similar to those already described with respect to the previously presented figures may be assigned the same reference numerals, and detailed descriptions may be omitted as appropriate. In this specification and each figure, elements similar to those already described with respect to the previously presented figures may be assigned the same reference numerals, and detailed descriptions may be omitted as appropriate. There may be cases.

[0010] In the following description, each component that appears (for example, resin material, curable resin, particles, additive, weather resistance improver, silicone compound, adhesive resin, and organic solvent) may be used alone or in combination of two or more. In the following description, each component that appears (for example, resin material, curable resin, particles, additive, weather resistance improver, silicone compound, adhesive resin, and organic solvent) may be used alone or in combination of two or more. There may be cases.

[0011] The transfer film of the present disclosure has a base film and a transfer layer. The transfer layer is provided on the base film in a peelable manner. The transfer layer has a surface protection layer and an adhesive layer in this order from the side of the base film in the thickness direction. The surface protection layer constitutes the surface layer on the base film side in the transfer layer. The transfer film of the present disclosure has a base film and a transfer layer. The transfer layer is provided on the base film in a peelable manner. The transfer layer has a surface protection layer and an adhesive layer in this order from the side of the base film in the thickness direction. The surface protection layer constitutes the surface layer on the base film side in the transfer layer. The transfer layer has a surface protection layer and an adhesive layer in this order from the side of the base film in the thickness direction. The surface protection layer constitutes the surface layer on the base film side in the transfer layer. There may be cases.

[0012] The configuration of one embodiment of the transfer film of the present disclosure is shown in FIGS. 1 and 2. The transfer film 1 in FIG. 1 has a base film 10 and a transfer layer 20 provided on the base film 10 in a peelable manner. The transfer layer 20 has a surface protection layer 22 and an adhesive layer 24 in this order from the side of the base film 10 in the thickness direction. That is, the base film 10, the surface protection layer 22, and the adhesive layer 24 are stacked in the thickness direction that is the vertical direction in the plane of FIG. 1. The transfer film 1 in FIG. 1 has a base film 10 and a transfer layer 20 provided on the base film 10 in a peelable manner. The transfer layer 20 has a surface protection layer 22 and an adhesive layer 24 in this order from the side of the base film 10 in the thickness direction. That is, the base film 10, the surface protection layer 22, and the adhesive layer 24 are stacked in the thickness direction that is the vertical direction in the plane of FIG. 1. The transfer layer 20 has a surface protection layer 22 and an adhesive layer 24 in this order from the side of the base film 10 in the thickness direction. That is, the base film 10, the surface protection layer 22, and the adhesive layer 24 are stacked in the thickness direction that is the vertical direction in the plane of FIG. 1. The transfer layer 20 has a surface protection layer 22 and an adhesive layer 24 in this order from the side of the base film 10 in the thickness direction. That is, the base film 10, the surface protection layer 22, and the adhesive layer 24 are stacked in the thickness direction that is the vertical direction in the plane of FIG. 1. There may be cases.

[0013] In the transfer layer 20 of the transfer film 1 in FIG. 2, there is a primer layer 23 between the surface protection layer 22 and the adhesive layer 24. The transfer layer 20 has a surface protection layer 22, a primer layer 23, and an adhesive layer 24. In the transfer layer 20 of the transfer film 1 in FIG. 2, there is a primer layer 23 between the surface protection layer 22 and the adhesive layer 24. The transfer layer 20 has a surface protection layer 22, a primer layer 23, and an adhesive layer 24. The layers 24 are arranged in this order from the base film 10 in the thickness direction. That is, the base film 10. The surface protective layer 22, primer layer 23, and adhesive layer 24 are located in the upper and lower directions on the plane of the paper in Figure 2. They are stacked in the direction of thickness.

[0014] In the transfer film of this disclosure, the transfer layer is distinct from the surface protection layer, primer layer and adhesive layer. It may have other different layers. Other layers may be appropriately selected from known layers. It is possible.

[0015] The transfer film of this disclosure is obtained by transferring a transfer layer onto a 2 mm thick polycarbonate plate. The haze of the test specimen was between 5% and 30%, and the measurement was taken on the surface protective layer of the test specimen. The present disclosure is characterized by having a 60-degree specular gloss of 60% or more and 120% or less. By using film, it possesses optical properties that result in an excellent balance between haze and glossiness. A transfer layer can be formed on the molded body, which is the object to be transferred, thereby ensuring the transparency of the molded body. It can also improve anti-glare properties.

[0016] The above optical properties are suitable for molded bodies used outdoors where transparency and anti-glare properties are required. For example, transparent materials that make up sound barriers or windbreaks installed on general roads and expressways. Resin molded articles should ideally possess both transparency and anti-glare properties. Here, transparency refers to the ability to... To prevent drivers from falling asleep at the wheel, the background visibility is excellent, and it is also anti-glare and This is sufficient to suppress the reflection of sunlight that could affect the surrounding environment. By transferring the above transfer layer onto a transparent resin molded body using a film, the transparency of the transparent resin molded body is It is possible to improve glare prevention while ensuring brightness.

[0017] In this disclosure, the haze, 60-degree specular gloss, and total light transmittance of the transfer film. The optical properties such as these are measured as follows. First, a 2 mm thick plate is used as the transfer target. Recarbonate sheet (Haze: 0.8%, Total light transmittance: 88.4%, 60-degree specular gloss: Prepare a 170.0% polycarbonate sheet. Apply an adhesive layer of transfer film to one side of this polycarbonate sheet. Apply the transfer film so that it is in contact with the polycarbonate sheet. Next, transfer the transfer film. The base film is peeled off from the layer. In this way, the polycarbonate sheet and the polycarbonate A test specimen is obtained having a transfer layer transferred onto a plate. The above surface protective layer is one of the test specimens. This forms the surface layer on one side. Using the obtained test specimen, haze, 60-degree specular gloss, and total light rays are measured. Evaluate optical properties such as transmittance.

[0018] In the transfer film disclosed herein, the transfer film before the weather resistance test described later exhibits haze and 6 It is sufficient that the requirements for 0-degree specular gloss are met. From the viewpoint of weather resistance, the transfer film of this disclosure In the film, the transfer film after the weather resistance test described later is related to haze and 60-degree specular gloss. It is preferable that the requirements are met.

[0019] In the transfer film of this disclosure, the haze is 5% or more and 30% or less, preferably 5% to 26%, more preferably 5% to 20%, even more preferably 5% to 1% It is 5% or less. If the haze is within the above range, for example, the anti-glare and transparency of the surface protective layer will be affected. Excellent balance. In this disclosure, haze is polycarbonate in accordance with JIS K7105. The test specimen is positioned so that the vinyl plate faces the light receiver and the surface protective layer faces the light source, and then measured. ru.

[0020] In the transfer film disclosed herein, the above 60-degree specular gloss (Gs60°) is 60% or more. It is 20% or less, preferably 60% to 105%, more preferably 80% to 10%. It is 5% or less. When Gs60° is within the above range, for example, the anti-glare properties due to the surface protective layer and It offers an excellent balance of transparency. In this disclosure, Gs60° conforms to JIS Z8741. Then, the measurement is taken on the protective layer surface of the test specimen at an incident angle of 60 degrees.

[0021] In the transfer film of this disclosure, the total light transmittance is preferably 80% or more, more preferably More preferably 82% or higher, and even more preferably 84% or higher. A higher total light transmittance indicates greater transparency. This is preferable from the viewpoint, but the upper limit may be, for example, 98% or 95%. Light transmittance is measured in accordance with JIS K7105.

[0022] In the transfer film of this disclosure, the maximum height R on the surface of the substrate film side of the surface protective layer. z is preferably 0.5 μm to 3 μm, more preferably 0.6 μm to 2.5 μm More preferably, the thickness is 0.7 μm or more and 1.8 μm or less. This allows, for example, the table The balance between glare prevention and transparency can be further improved by the surface protection layer.

[0023] In the transfer film of this disclosure, the arithmetic mean roughness of the surface of the substrate film side of the surface protective layer. Ra is preferably 2 μm or less, more preferably 1.5 μm or less, and even more preferably 1 The minimum particle size is μm or less, and more preferably 0.5 μm or less. The lower limit of Ra is not particularly limited, For example, 0.05 μm is also acceptable. If Ra is within the above range, for example, the anti-glare properties of the surface protective layer To be excellent.

[0024] In the transfer film of this disclosure, the roughness curve on the surface of the substrate film side of the surface protective layer The average length RSm of the element is preferably 10 μm or more and 60 μm or less, more preferably 20 μm. The particle size is 55 μm or less, and more preferably 30 μm to 50 μm. The above Rz, Ra, and RSm values ​​are measured in accordance with JIS B0601-2001.

[0025] In the transfer film disclosed herein, the transfer layer is a surface protective film on the molded body which is the object to be transferred. It is transferred as a film. By using the transfer film of this disclosure, for example, excellent molded articles can be produced. It can provide anti-glare, scratch-resistant, and weather-resistant properties. The transfer film of this disclosure is suitable for outdoor use. For example, in applications where the form is exposed to direct sunlight or wind and rain and severe weather resistance is required. It can be suitably applied to molded articles.

[0026] By using the transfer film disclosed herein, the transfer process does not involve the discharge of organic solvents. An environmentally friendly process easily forms a surface protective layer on at least a portion of the surface of the molded body. can.

[0027] The composition of the transfer film of this disclosure will be described in detail below.

[0028] The transfer film of this disclosure has a base film. Examples of base films include films made of resin materials (hereinafter referred to as "resin film"). (Also called "Lum") can be used. Examples of resin materials include polyester and polyolefin. Vinyl, polystyrene, vinyl resin, (meth)acrylic resin, polyamide, polyimide and Polycarbonate is an example. In this disclosure, "(meth)acrylic" means "acrylic It encompasses both " and "methacrylic," and "(meth)acrylate" is "acrylate." It includes both "and" and "methacrylate".

[0029] Polyester film and polyolefin film are preferred as the base film. Because the base film is one of these films, for example, surface protection can be applied to the film. Layers and other structures can be easily formed.

[0030] Examples of polyesters include polyethylene terephthalate (PET) and polybutylene. Polyethylene terephthalate (PBT), polyethylene naphthalate (PEN), and polyethylene terephthalate Examples include refthalate-isophthalate copolymers. Among these, transfer films are From the perspective of being less susceptible to thermal shrinkage during manufacturing and shrinkage due to irradiation with ionizing radiation, PE T and PBT are preferred, and PET is more preferred.

[0031] Examples of polyolefins include polyethylene, polypropylene, polybutene, and ethyl acetate. Examples include ethylene-propylene copolymers and ethylene-propylene-butene copolymers. Among these, thermal shrinkage during the manufacturing of transfer films and shrinkage due to irradiation with ionizing radiation occur. From the standpoint of resistance to soiling, polypropylene is preferred.

[0032] The resin film may be a stretched film or an unstretched film, but a stretched film is preferred. It is preferable that there be a machine direction (MD) and / or width direction (TD) in the stretched film. The stretching ratio in this case is, for example, between 5 and 30 times. For example, resin films resulting from heat treatment during the manufacturing of transfer films. This can suppress thermal shrinkage and shrinkage of the resin film caused by crosslinking treatment due to irradiation with ionizing radiation. This improves the dimensional stability of the transfer film.

[0033] The stretched film may be uniaxially oriented or biaxially oriented. From the perspective of minimizing thermal shrinkage during manufacturing and shrinkage due to ionizing radiation, A biaxially oriented film is preferred.

[0034] The haze of the base film is preferably 10% or more, more preferably 20% to 80%. More preferably, it is between 25% and 60%. If the haze is within the above range, for example, This allows for the provision of good anti-glare properties and transparency to the surface protective layer.

[0035] The 60-degree specular gloss (Gs60°) of the base film is preferably 140% or less, more preferably Preferably 25% to 120%, more preferably 30% to 110%, and even more Preferably, it is 40% or more and 100% or less. If Gs60° is within the above range, for example, This can provide the surface protective layer with good anti-glare properties and transparency.

[0036] The total light transmittance of the substrate film is preferably 75% or more, more preferably 80% or more. More preferably, it is 82% or higher. The upper limit of the total light transmittance is not particularly limited, but for example, 98% or 95% would also be acceptable.

[0037] By forming a surface protective layer on a substrate film having the above optical properties, for example, The surface of the surface protective layer can be shaped by the surface shape of the base film, and therefore the surface protective layer This improves the anti-glare properties. Compared to using a shaped embossing roll, Anti-glare properties can be improved using a simple method.

[0038] The maximum height Rz of the surface on which the surface protective layer is provided in the base film is preferably 0. 4 μm or more and 2.7 μm or less, more preferably 0.5 μm or more and 2.3 μm or less, even more preferably Or, it is between 0.7 μm and 1.8 μm.

[0039] The arithmetic mean roughness Ra of the surface on which the surface protective layer is provided in the base film is preferably 0.03 μm or more and 0.4 μm or less, more preferably 0.05 μm or more and 0.3 μm or less, More preferably, the particle size is 0.08 μm or more and 0.2 μm or less.

[0040] The average length RSm of the surface roughness curve elements on the substrate film where the surface protective layer is provided is Preferably 30.0 μm to 70.0 μm, more preferably 35.0 μm to 60 The particle size is 0.0 μm or less, and more preferably 40.0 μm to 50.0 μm. The above Rz, Ra, and RSm values ​​are measured in accordance with JIS B0601-2001.

[0041] By forming a surface protective layer on a substrate film having the above-described uneven surface structure, for example, For example, the surface of the surface protective layer can be shaped by the above-mentioned uneven structure, and therefore the surface protective layer can protect It can improve glare. This makes it simpler compared to using shape embossing rolls, etc. Anti-glare properties can be improved in this way.

[0042] The base film may have a single-layer structure or a multi-layer structure. For example, it may be a single layer of resin film or a laminate of resin film. The laminates are, for example, made by dry lamination, wet lamination, or extrusion. It can be fabricated using the detour process.

[0043] The surface of the base film on which the surface protective layer is provided may, if necessary, be treated with a known release agent. It may be treated, and a release layer such as silicone resin may be provided. For example, this improves the release properties between the surface protective layer and the base film during transfer.

[0044] The thickness of the base film is preferably 5 μm to 200 μm, more preferably 10 μm. The thickness is between m and 100 μm. If the base film has a multilayer structure, the thickness is the entire multilayer structure. It is preferable that the thickness is within the above range.

[0045] The transfer film of this disclosure has a surface protective layer. The surface protective layer is transferred onto the molded body, which is the transfer target, via an adhesive layer, and then the anti-glare effect is obtained. It is a layer that constitutes the surface layer of a molded body. The surface protective layer, for example, imparts anti-glare properties to the transferred body. This is a layer, and in one embodiment, it may be a layer that further provides scratch resistance and weather resistance. In one embodiment, the surface protective layer is in contact with the base film.

[0046] In one embodiment, the surface protective layer contains a cured product of a curable resin. In one embodiment, it is composed of a cured product of a curable resin composition containing a curable resin. This can, for example, improve scratch resistance.

[0047] Examples of curable resins include thermosetting resins and ionizing radiation-curable resins. Among these, ionizing radiation-curable resins are preferred from the viewpoint of improving scratch resistance and weather resistance. It's nice.

[0048] Examples of thermosetting resins include unsaturated polyester, thermosetting polyurethane, and thermosetting Acrylic (meth)acrylic resin, epoxy resin, amino alkyd resin, melamine resin, guana Examples include mine resin and urea resin.

[0049] Ionizing radiation-curable resins are resins that harden when exposed to ionizing radiation. Examples include electromagnetic waves such as ultraviolet (UV), X-rays, and gamma rays; electron beams (EB), and alpha rays. These include charged particle beams such as ion beams. Among these, ultraviolet rays and electron beams are preferred. Furthermore, electron beams are more preferable. That is, the surface protective layer is a resin cured by electron beam irradiation. It is preferable that it be in layers.

[0050] Examples of ionizing radiation-curable resins include polymerizable oligomers and polymerizable prepolymers. Examples include polymerizable oligomers and polymerizable prepolymers, for example, those containing radioactive materials in the molecule. Examples include oligomers and prepolymers having a CAL polymerizable unsaturated group, specifically, polyethylene Polycarbonate-based urethane (meth)acrylate, polycarbonate-based urethane (meth)acrylate Polyester-based urethane (meth)acrylate and caprolactone-based urethane (meth Urethane (meth)acrylate, epoxy (meth)acrylate, etc. , polyester (meth)acrylate, polyether (meth)acrylate, acrylic ( Examples include meth)acrylate and polybutadiene (meth)acrylate. Among these, urethane (meth)acrylate is preferred.

[0051] Polymerizable oligomers and polymerizable prepolymers include radically polymerizable unsaturated groups in the molecule. Polyfunctional oligomers or prepolymers having multiple radical polymerizable unsaturated groups are preferred. The number is preferably 2 or more, from the viewpoint of improving scratch resistance and minimizing hardening shrinkage. It is 15 or less, more preferably 2 to 8, and even more preferably 2 to 6.

[0052] The content of cured resin in the surface protective layer is preferably 50% by mass or more. Preferably, it is 60% by mass or more, and even more preferably 70% by mass or more. This means, for example, For example, the scratch resistance and weather resistance of the surface protective layer can be further improved.

[0053] When using an ultraviolet-curable resin as an ionizing radiation-curable resin, the ultraviolet-curable resin and It is preferable to use a photopolymerization initiator in both cases. Examples of photopolymerization initiators include acetoph Enone compounds, benzoin compounds, acylphosphine oxide compounds, benzophenone Examples include non-type compounds, thioxanthone-type compounds, and aminobenzophenone-type compounds. The amount of photopolymerization initiator used is preferably 0.1 parts by mass of UV-curable resin. The amount is between parts by mass and 5 parts by mass.

[0054] For purposes such as adjusting the viscosity of curable resin compositions, methyl (meth)acrylate and other substances are used. Monofunctional (meth)acrylates may be used as diluents. In addition to (meth)acrylate, ordinary organic solvents may also be used.

[0055] The surface protective layer may further contain particles. For example, fine-tuning of optical properties such as gloss and haze of the surface protective layer, and therefore anti-glare properties. It can be shaped. For example, the surface of the protective layer can be shaped by the surface irregularities structure of the base film. The anti-glare properties of the surface protective layer are adjusted, and further, particles are incorporated into the surface protective layer. The anti-glare properties may be finely adjusted.

[0056] Examples of particles include organic particles and inorganic particles. Examples of organic particles include... For example, (meth)acrylic resin particles, polycarbonate resin particles and styrene resin particles. Examples include synthetic resin particles. Inorganic particles include silica, alumina, and zirconia. Examples include titania, kaolinite, iron oxide, diamond, and silicon carbide. In particular, the anti-glare properties provided by the surface protective layer can be appropriately adjusted, and it offers excellent transparency and improved scratch resistance. From this perspective, (meth)acrylic resin particles are preferred.

[0057] The particle shapes include, for example, spherical, ellipsoidal, polyhedral, and flaky shapes. A spherical shape is preferable because it allows for easy adjustment of anti-glare properties through the protective coating and also improves scratch resistance. It seems so.

[0058] The average particle size is preferably 1 μm or more and 10 μm or less, more preferably 1.5 μm. The average particle size is 8 μm or less. When the average particle size is within the above range, transparency is ensured, and Excellent anti-glare and scratch resistance are obtained. When particles with a large average particle size are used, the surface protective layer The haze tends to increase, and the glossiness tends to decrease.

[0059] In this disclosure, the average particle size is determined by scanning electron microscopy (SEM) of the cross-section in the thickness direction of each layer. The average particle size was measured for 100 randomly selected non-aggregated particles observed. This refers to the arithmetic mean diameter.

[0060] The thickness of the surface protective layer is preferably 0.3 times or more and 4 times or less the average particle diameter of the particles, more preferably More preferably, it is 0.4 times or more and 3.5 times or less. Such a design, for example, can improve the balance between anti-glare properties and transparency.

[0061] The particle content in the surface protective layer is preferably such that, relative to 100 parts by mass of the cured product of the curable resin, Or 1 part by mass or more and 20 parts by mass or less, more preferably 3 parts by mass or more and 18 parts by mass or less, Preferably, the amount is 5 parts by mass or more and 15 parts by mass or less. When the particle content is within the above range, For example, it can further improve anti-glare properties, scratch resistance, and weather resistance. For example, it can suppress the deterioration of weather resistance.

[0062] The surface protective layer may contain additives. Examples of additives include weather resistance improvers and saturates. Lycorn compounds, polymerization inhibitors, crosslinking agents, antistatic agents, adhesion improvers, antioxidants, leveling agents. Examples include coupling agents, thixotropic agents, coupling agents, plasticizers, antifouling agents, defoaming agents, and fillers. It can be done.

[0063] The surface protective layer may contain a weather-resistant agent (hereinafter also referred to as "weather-resistant agent"). Outdoor use Since the molded parts are exposed to direct sunlight and wind and rain on a daily basis, weather resistance is required. By doing so, for example, the weather resistance of the surface protective layer can be improved, and thus the unevenness of the surface protective layer can be maintained. This allows for durability, suppression of yellowing, and improvement of interlayer adhesion. This results in the anti-glare molded article described later. It can be used outdoors for extended periods.

[0064] Examples of weather-resistant agents include ultraviolet absorbers and light stabilizers. UV absorbers absorb harmful ultraviolet rays, improving the long-term weather resistance of anti-glare molded products. Light stabilizers themselves absorb very little ultraviolet light, but they can reduce harmful effects caused by ultraviolet light. It efficiently captures free radicals.

[0065] Examples of UV absorbers include benzotriazole-based UV absorbers and triazine-based UV absorbers. UV absorbers, benzophenone-based UV absorbers, oxybenzophenone-based UV absorbers, Lycylate ester-based UV absorbers and cyano(meth)acrylate-based UV absorbers, etc. Organic UV absorbers; inorganic UV absorbers such as titanium dioxide, cerium oxide, and zinc oxide. Examples include these agents. Among these, organic UV absorbers are preferred, and triazine-based UV absorbers are preferred. Absorbents are more preferable.

[0066] Examples of triazine-based UV absorbers include hydroxyphenyltriazine-based UV absorbers. Absorbers are one example. Examples of hydroxyphenyltriazine-based UV absorbers include, 2-(2-hydroxy-4-[1-octyloxycarbonylethoxy]phenyl)-4 ,6-bis(4-phenylphenyl)-1,3,5-triazine,2-[4-[(2-H Droxy-3-dodecyloxypropyl)oxy]-2-hydroxyphenyl]-4,6 -Bis(2,4-dimethylphenyl)-1,3,5-triazine, 2,4-bis[2-H [Droxy-4-butoxyphenyl]-6-(2,4-dibutoxyphenyl)-1,3,5 -Triazine, 2-[4-[(2-hydroxy-3-tridecyloxypropyl)oxy ]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl)-1,3, 5-Triazine, 2-(4,6-diphenyl-1,3,5-triazin-2-yl)-5 -[2-(2-ethylhexanoyloxy)ethoxy]phenol, and 2-[4-[( 2-Hydroxy-3-(2'-ethyl)hexyl)oxy]-2-hydroxyphenyl] -4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine is one example.

[0067] The amount of UV absorber in the surface protective layer is, per 100 parts by mass of the cured product of the curable resin, Preferably 0.1 parts by mass or more and 10 parts by mass or less, more preferably 0.1 parts by mass or more and 7 parts by mass or less. The amount is less than or equal to a certain amount, more preferably 0.3 parts by mass or more and 5 parts by mass or less. This means, for example, This can improve the weather resistance of the surface protective layer. If the amount of UV absorber is below the upper limit, even Furthermore, this can lead to a decrease in the transparency of the surface protective layer and bleed-out of UV absorbers, affecting the surface protective layer and... This can suppress the decrease in adhesion with the lymer layer.

[0068] Examples of light stabilizers include hindered amine light stabilizers (HALS). Examples of hindered amine-based light stabilizers include 1,2,2,6,6-pentamethyl- 4-Piperidinyl (meth)acrylate, bis(1,2,2,6,6-pentamethyl-4 -Piperidyl) sebacate, bis(2,2,6,6-pentamethyl-4-piperidyl) se Bacate, bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate, Methyl(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate, 2,4- Bis[N-butyl-N-(1-cyclohexyloxy-2,2,6,6-tetramethyl [Peridine-4-yl)amino]-6-(2-hydroxyethylamine)-1,3,5-to Riazin, 2-(3,5-di-tert-butyl-4-hydroxybenzyl)-2'-n -Bis(1,2,2,6,6-pentamethyl-4-piperidyl) butylmalonate, bis( 1,2,2,6,6-Pentamethyl-4-Piperidyl)sebacate, bis(1-octyro Xy-2,2,6,6-tetramethyl-4-piperidyl) sebacate, and tetrakis( 2,2,6,6-Tetramethyl-4-piperidyl)-1,2,3,4-butanetetracal Boxylates are one example.

[0069] The amount of light stabilizer in the surface protective layer is, per 100 parts by mass of the cured product of the curable resin, Preferably 1 part by mass or more and 10 parts by mass or less, more preferably 2 parts by mass or more and 8 parts by mass or less, More preferably, the amount is 3 parts by mass or more and 6 parts by mass or less. This allows, for example, the resistance of the surface protective layer Weather resistance can be improved. If the content of light stabilizers is below the upper limit, for example, the transparency of the surface protective layer can be improved. This can lead to a decrease in performance or poor adhesion between the surface protective layer and the primer layer due to the bleed-out of the light stabilizer. It can suppress the lower part.

[0070] The surface protective layer may contain a silicone compound. This allows for, for example, the surface protective layer This improves weather resistance and scratch resistance, and provides excellent transparency.

[0071] Silicone compounds include amino groups, epoxy groups, mercapto groups, carboxyl groups, and hydroxyl groups. Silicone without reactive functional groups such as cyan groups, (meth)acryloyl groups, and allyl groups Compounds are also acceptable, as are silicone compounds having reactive functional groups. Non-reactive silicone Examples of compounds include silicone oils made from polysiloxanes, polyether-modified silicones. Ricone oil, aralkyl-modified silicone oil, fluoroalkyl-modified silicone oil Long-chain alkyl-modified silicone oil, higher fatty acid ester-modified silicone oil, high Examples include granular fatty acid amide-modified silicone oils and phenyl-modified silicone oils. Examples of silicone compounds having reactive functional groups include resins that constitute surface protective layers. It can be bonded with other materials, suppressing bleed-out due to long-term use and maintaining long-term weather resistance. From this perspective, silicone compounds having a (meth)acryloyl group can be cited.

[0072] The content of the silicone compound in the surface protective layer is per 100 parts by mass of the cured product of the curable resin. In contrast, preferably 0.05 parts by mass or more and 30 parts by mass or less, more preferably 0.05 parts by mass The amount is 10 parts by mass or less, more preferably 0.1 parts by mass or more and 5 parts by mass or less.

[0073] The curable resin composition contains an organic solvent, for example, from the viewpoint of improving its applicability. This may be done. Examples of organic solvents include toluene, xylene, hexane, and octane. Which hydrocarbon solvents; ethanol, propanol, butanol, pentanol, hexano Alcohol-based solvents such as octanol and decanol; acetone, methyl ethyl acetate Ketones such as methyl isobutyl ketone, diisobutyl ketone, and cyclohexanone. Solvents: Ethyl acetate, butyl acetate, amyl acetate, ethyl butyrate, butyl butyrate, stearic acid Ester solvents such as butyl, methyl benzoate, methyl lactate, ethyl lactate, and butyl lactate. These are some examples.

[0074] The thickness of the surface protective layer is preferably 1 μm to 20 μm, more preferably 2 μm or more. The thickness is 10 μm or less, more preferably 2 μm or more and 6 μm or less. This allows, for example, to The transfer material can be given excellent anti-glare, scratch resistance, and weather resistance. In this disclosure, the thickness of each layer is This can be measured using scanning electron microscope (SEM) images of the cross-section of each layer.

[0075] The surface protective layer is formed, for example, as follows: A curable resin composition is applied to the base film. The material is applied to the desired thickness, and if an organic solvent is used, it is dried to remove the organic solvent and the coating film ( An uncured resin layer is formed. Then, if a thermosetting resin is used, the temperature required for curing is reached. The coating is heated and cured. If an ionizing radiation-curable resin is used, the coating is subjected to ionizing radiation The material is cured by irradiating it with a beam of light. In this way, a surface protective layer can be formed. The curing process is This may be done after coating the resin composition and before forming other layers, or after forming other layers. That's good too.

[0076] One method for applying a curable resin composition onto a substrate film is, for example, the dipping method. Flow coating method, spray method, spin coating method, gravure coating method, microgravure Coating method, die coating method, slit reverse coating method, roll coating method, reverse roll coating Methods include comma coating, blade coating, air knife coating, offset method, and bar coating. One example is the coating method.

[0077] When using electron beams as ionizing radiation, the acceleration voltage depends on the resin used and the thickness of the layer. The appropriate voltage can be selected as needed, but the uncured resin layer is cured using an acceleration voltage of 70kV to 300kV. Curing is preferable. The electron beam irradiation dose is preferably 0.5Mrad or more and 30Mrad. Less than or equal to rad, more preferably 1Mrad to 20Mrad, and even more preferably 3Mr The dose is between ad and 15Mrad.

[0078] Examples of electron sources include Cockcroft-Walton type, Van de Graft type, and resonant transformer. Various types of electron beams, such as insulated core transformer type, linear type, dynamitron type, and high-frequency type. An accelerator can be used.

[0079] When using ultraviolet light as ionizing radiation, for example, wavelengths between 190 nm and 380 nm. It is preferable to irradiate with ultraviolet light at least. Examples of ultraviolet light sources include xenon light. Low-pressure mercury lamps, high-pressure mercury lamps, ultra-high-pressure mercury lamps, metal halide lamps, carbon arc lamps And tungsten lamps are another example.

[0080] The transfer film of this disclosure may have a primer layer between the surface protective layer and the adhesive layer. The primer layer, for example, has the function of improving the adhesion between the surface protective layer and the adhesive layer.

[0081] In one embodiment, the primer layer contains a resin material. Examples of resin materials include (meth)acrylic resin, urethane resin, butyral resin, Polyolefins, chlorinated polyolefins, vinyl chloride-vinyl acetate copolymers and polyester Among these, urethane resin is preferred.

[0082] As for urethane resins, from the viewpoint of weather resistance and durability, the polyurethane polymer chain contains A urethane resin having a (meth)acrylic skeleton is preferred. (meth)acrylic is used in the polyurethane polymer chain. (t) Examples of urethane resins having an acrylic skeleton include urethane components and (meth)acrylic. Polyurethane (meth)acrylic copolymers, which are copolymers with lyl components, constitute polyurethane. The polyol component or polyisocyanate component contains a hydroxyl group or an isocyanate group. Examples of resins that use (meth)acrylic resins having [a certain property] include urethane. A urethane (meth)acrylic copolymer is preferred, and as a urethane (meth)acrylic copolymer, For example, a urethane (meth)acrylic block copolymer is preferred.

[0083] From the perspective of adhesion between the primer layer and the surface protective layer, urethane (meth)acrylic copolymer The combination further involves a polycarbonate or polyester skeleton within a polyurethane polymer chain. It may have. Examples of such urethane (meth)acrylic copolymers include polycarbonate Polycarbonate is a copolymer of a urethane-based ionate component and a (meth)acrylic component. Polyurethane (meth)acrylic copolymer, and polyester-based urethane components and (meth)acrylic Polyester-based urethane (meth)acrylic copolymers, which are copolymers with lyl components, are one example. It can be done.

[0084] Urethane (meth)acrylic copolymers, for example, contain at least two hydroxyl molecules per molecule. A method of reacting a (meth)acrylic resin having a cy group with a polyol and a polyisocyanate. The law (see Japanese Patent Publication No. 6-100653, etc.) and ureta having unsaturated double bonds at both ends A method for reacting a polymer with a (meth)acrylic monomer (Japanese Patent Publication No. 10-1524) This can be obtained by referring to official gazettes, etc.

[0085] Examples of urethane prepolymers include polycarbonate diol and diisocyanate. Polycarbonate-based urethane prepolymer and polyester obtained by reacting with Polyester-based urethane prepolymer obtained by reacting a diol with a diisocyanate. — is one example. Diisocyanates include, for example, hexamethylene diisocyanate. Aliphatic isocyanates such as isophorone diisocyanates and hydrogenated xylylenedioxides. Examples include alicyclic isocyanates such as isocyanates. (meth)acrylic monomers For example, (meth)acrylic acid, and alkyl groups with 1 to 6 carbon atoms. (t) Alkyl acrylates are an example.

[0086] Specifically, urethane resins include polycarbonate-based urethane (meth)acrylic. Polymers, polyester-based urethane (meth)acrylic copolymers, polyether-based urethanes Examples include meth)acrylic copolymers and caprolactone-based urethane (meth)acrylic copolymers. These resin materials improve weather resistance and also the adhesion between the surface protective layer and the adhesive layer. From the perspective of enabling this, it is preferable.

[0087] In urethane resins, the urethane component / (meth)acrylic component (mass ratio) is preferably The ratio is 20 / 80 to 99 / 1, more preferably 50 / 50 to 95 / 5, and even more preferably The ratio is between 70 / 30 and 95 / 5. This allows for, for example, improved weather resistance. The content of (meth)acrylic components in urethane resin is per unit of the total mass of urethane resin. This is the proportion of monomer units that make up the (meth)acrylic skeleton. The (meth)acrylic component content was determined by measuring the NMR spectrum of the urethane resin. To determine the ratio of the peak area to the peak area attributed to the (meth)acrylic component, Therefore, it is calculated.

[0088] The weight-average molecular weight of the urethane resin is preferably 10,000 or more and 100,000 or less. More preferably, it is between 30,000 and 80,000. This allows for, for example, weather resistance. Further improvement is possible. In this specification, weight-average molecular weight is defined as gel permeation chromatography. The value is calculated as a standard polystyrene equivalent using Raffy (GPC).

[0089] The resin material content in the primer layer is, for example, 50% by mass or more.

[0090] The primer layer may further contain particles. This allows, for example, the transfer film During the production process or storage, a blocking phenomenon occurs where the adhesive layer and the base film adhere tightly together. This can suppress it.

[0091] Examples of particles include inorganic particles and organic particles. Examples of inorganic particles include... For example, silica, alumina, aluminum hydroxide, barium sulfate, calcium carbonate and Examples include inorganic particles such as talc.

[0092] Examples of particle shapes include spherical, ellipsoidal, polyhedral, and scaly.

[0093] The average particle diameter is preferably 0.1 μm or more and 10 μm or less, more preferably 0.5 μm. The average particle diameter is between μm and 8 μm, more preferably between 0.5 μm and 5 μm. Within the above range, transparency is ensured, and excellent blocking resistance is obtained. ru.

[0094] The particle content in the primer layer is preferably 0 parts by mass of the resin material. 0.1 parts by mass or more and 30 parts by mass or less, more preferably 1 part by mass or more and 25 parts by mass or less, even more preferably The amount is between 3 and 20 parts by mass.

[0095] The primer layer may contain additives. Examples of additives include weather-resistant and abrasion-resistant materials. Properties enhancers, infrared absorbers, antistatic agents, adhesion enhancers, leveling agents, thixotropic agents, Examples include coupling agents, plasticizers, defoaming agents, fillers, and colorants.

[0096] The primer layer may contain a weather-resistant agent. This, for example, improves the weather resistance of the primer layer. The properties can be improved, and the resulting anti-glare molded product can be used outdoors for a long period of time. Examples include ultraviolet absorbers and light stabilizers. The details are as described above.

[0097] The amount of UV absorber is, relative to 100 parts by mass of the resin material constituting the primer layer, More preferably 0.1 parts by mass or more and 50 parts by mass or less, more preferably 3 parts by mass or more and 40 parts by mass or less More preferably, the amount is 10 parts by mass or more and 35 parts by mass or less.

[0098] The amount of light stabilizer is preferably such that it is present in 100 parts by mass of the resin material constituting the primer layer. The amount is 0.1 parts by mass or more and 15 parts by mass or less, more preferably 1 part by mass or more and 15 parts by mass or less. More preferably, the amount is 3 parts by mass or more and 10 parts by mass or less.

[0099] The resin composition for the primer layer is, from the viewpoint of promoting the curing of the resin material, for example, isothenia It may contain an isocyanate curing agent. Examples of isocyanate curing agents include nitrile. Socyanates, diphenylmethane diisocyanate, hexamethylene diisocyanate, Xylylene diisocyanate, cyclohexanephenylenediisocyanate and naphthalene n-1,5-diisocyanate is one example.

[0100] The amount of isocyanate curing agent used in the primer layer resin composition is in contact with the surface protective layer. From the viewpoint of improving adhesion with the bonding layer, preferably, per 100 parts by mass of resin material, The amount is 1 part by mass or more and 40 parts by mass or less, more preferably 3 parts by mass or more and 30 parts by mass or less, even more preferably The amount is between 5 parts by mass and 30 parts by mass.

[0101] The thickness of the primer layer is preferably 0.1 μm or more and 10 μm or less, more preferably 0. The thickness is between 1 μm and 5 μm. This improves, for example, the adhesion between the surface protective layer and the adhesive layer. This can be improved. It is preferable that the thickness of the primer layer be less than the thickness of the adhesive layer.

[0102] The primer layer is, for example, a primer containing the above-mentioned components and, if necessary, an organic solvent. A single-layer resin composition is applied onto the surface protective layer by a known printing or coating method, and as needed It can be formed by drying and curing according to the conditions.

[0103] To improve adhesion between the surface protective layer and the primer layer, before the primer layer is formed A surface protective layer may be applied as a surface treatment. For example, corona discharge treatment Examples include lithography, plasma treatment, chromium oxidation treatment, flame treatment, hot air treatment, and ozone / ultraviolet treatment. It can be done.

[0104] To improve the adhesion between the surface protective layer and the primer layer, the crosslinking and curing of the surface protective layer is partially completed. Leave it in a partially cured state, and then apply the primer layer resin composition to the semi-cured surface protective layer. After application, the surface protective layer may be completely cured by irradiating it with ionizing radiation.

[0105] The transfer film of this disclosure has an adhesive layer. The adhesive layer has the function of adhering the transfer film to the surface of the object to be transferred. In one embodiment... The adhesive layer constitutes the surface layer on the side of the transfer layer opposite to the substrate film side. This is the layer that comes into contact with the object to be transferred after the transfer. This ensures that the transfer layer is properly transferred to the object to be transferred. It can be attached.

[0106] In this disclosure, the transfer film is placed on the surface of the object to be transferred such that the adhesive layer is in contact with the surface of the object to be transferred. By applying the film and then peeling off the base film, the surface protective layer is transferred from the transfer film. It can be transferred onto the photograph with good adhesion.

[0107] Examples of adhesive resins that can be used in the adhesive layer include (meth)acrylic resin and polyolefin. Vinyl, chlorinated polyolefin, vinyl chloride-vinyl acetate copolymer, polyamide, polyester Heat-fusible resins such as tereol, chlorinated rubber, urethane resin, epoxy resin, and styrene resin Preferred. Among these, polymethyl methacrylate, etc., is preferred from the viewpoint of improving weather resistance. (Meth)acrylic resin is preferred.

[0108] The content of adhesive resin in the adhesive layer is preferably 50% by mass or more, more preferably 50% by mass or more. The amount is 60% by mass or more, and more preferably 70% by mass or more.

[0109] The adhesive layer may contain additives. Examples of additives include ultraviolet absorbers and photosynthetic compounds. Weathering agents such as stabilizers, abrasion resistance enhancers, infrared absorbers, antistatic agents, adhesion enhancers, leveling agents Examples include thixotropic agents, thixotropic agents, coupling agents, plasticizers, defoamers, fillers, and colorants. It can be done.

[0110] The adhesive layer may contain a weather-resistant agent. Details of the weather-resistant agent are as described above. The amount of UV absorber in the adhesive layer is 0.1 parts by mass per 100 parts by mass of adhesive resin. It may be more than 25 parts by mass, or more than 1 part by mass and 20 parts by mass, or 3 parts by mass or more. The amount may be 15 parts by mass or less. The content of the light stabilizer in the adhesive layer is 100 parts by mass of adhesive resin. For this, 0.05 parts by mass or more and 7 parts by mass or less is also acceptable, and 0.5 parts by mass or more and 5 parts by mass or less It is also acceptable to use 1 to 5 parts by mass.

[0111] The thickness of the adhesive layer is preferably 1 μm to 12 μm, more preferably 1 μm to 6 μm. It is less than or equal to m. This allows, for example, the transfer layer to adhere well to the object to be transferred, and also provides excellent Transparency can be ensured.

[0112] The thickness of the adhesive layer is preferably greater than the thickness of the primer layer.

[0113] The adhesive layer is, for example, a combination of components that make up the adhesive layer, placed on a surface protective layer or primer layer. It can be formed by applying the product (composition for adhesive layer) and drying it as needed.

[0114] The transfer film of this disclosure may have a cover film (protective film) on the adhesive layer. Specifically, a cover film may be attached to the adhesive layer. It provides good surface protection and is preferable for storing transfer films. This involves peeling the cover film away from the adhesive layer to expose the adhesive layer, and then transferring the material through this adhesive layer. Apply the transfer film to the body.

[0115] The cover film is made of a resin material such as polyolefin.

[0116] The anti-glare molded body of the present disclosure comprises a molded body and a provision on at least a portion of the surface of the molded body. It has a surface protective film. The surface protective film is a transfer in the transfer film of this disclosure. The surface protective layer, which is part of the transfer layer, constitutes at least a portion of the surface layer of the anti-glare molded body. do.

[0117] In one embodiment, as shown in Figure 3, the anti-glare molded body 2 comprises a molded body 30 and a molded body 3 It has a transfer layer 20 provided on the surface of 0. In the embodiment of Figure 3, the transfer layer 20 is contact The adhesive layer 24, the primer layer 23, and the surface protective layer 22 are applied in this order from the side of the molded body 30. Therefore, the anti-glare molded body 2 has an adhesive layer 24 and a primer layer 23 on the molded body 30. The base film 10 has a surface protective layer 22 in this order. It is sufficient if it is peeled off at the edges.

[0118] The above-mentioned molded body is a transfer object onto which the transfer layer of the transfer film of this disclosure is transferred. In the above-mentioned molded article, the material of the portion where the transfer layer of the transfer film of this disclosure is transferred is: For example, resin materials can be cited. Examples of resin materials include polycarbonate; polymer (Meth)acrylic resins such as methyl(meth)acrylate and poly(meth)acrylate; Polyolefins such as polyethylene and polypropylene; cyclic polyolefins; polystyrene Len; Acrylonitrile-butadiene-styrene (ABS) copolymer; Polyvinyl alcohol Vinyl resins such as polyvinyl acetate, polyvinyl chloride, and polyvinyl fluoride; Polyesters such as ethylene terephthalate and polyethylene naphthalate; polyamides, Polyimides, polysulfones, polyethersulfones, polyetherketones and polyether Luimido is one example.

[0119] The above-mentioned molded body is preferably a resin molded body made of a resin material, and is preferably a transparent resin material A transparent resin molded body composed of the above is more preferable. The total light transmittance of the transparent resin molded body is, for example, For example, it should be 50% or more, 70% or more is also acceptable, and 80% or more is also acceptable.

[0120] Examples of transparent resin materials include polycarbonate and polymethyl methacrylate. (Meth)acrylic resin; polyethylene terephthalate and polyethylene naphthalate, etc. Polyester; ABS copolymer is an example. Among these, polycarbonate is It is preferable because it has excellent transparency and impact resistance.

[0121] The above molded body is, for example, suitable for outdoor use, especially when exposed to direct sunlight and wind and rain on a daily basis, and therefore has weather resistance. These are molded articles for the required applications. Examples of such molded articles include exterior materials for building structures and automobiles. Both, exterior materials for ships and aircraft, exterior materials for industrial machinery, solar cell covers or solar cell substrates Examples include components and various lenses.

[0122] As an exterior material (building material) for building structures, for example, it is used for sound insulation on general roads and expressways. Transparent resin molded parts that make up walls or windbreak walls, window materials, balcony partitions, terraces or carts Examples include roofing components for ports and transparent resin molded bodies that make up agricultural greenhouses.

[0123] In one embodiment, the anti-glare molded article disclosed herein exhibits excellent transparency and anti-glare properties, In particular, as a transparent resin molded body that constitutes a sound barrier or windbreak on general roads and expressways, etc. It is suitable.

[0124] Examples of exterior vehicle materials include side windows, rear windows, and roof windows. U, window materials such as the front windshield and quarter windows; headlight covers, U Examples include in-car lamp lenses and reflectors. Vehicles include, for example, automobiles and iron. Examples include road vehicles, construction machinery, and light vehicles such as golf carts. Exterior materials for industrial machinery and For example, a window material for viewing in a machine tool can be used. As for lenses, for example, One example is the lens of a traffic light.

[0125] The anti-glare molded article of this disclosure is, for example, made using the transfer film of this disclosure. This is obtained by transferring a transfer layer onto at least a portion of the surface of the molded body. More specifically, The adhesive layer in the transfer film of this disclosure is brought into contact with the surface of the molded article. It is placed on at least a portion of the surface of the feature. This placement is carried out under heating and / or pressurization. It is also acceptable to do so. Next, the base film in the transfer film is removed from the transfer layer, specifically from the surface The protective layer is peeled off. In this way, an anti-glare molded product is obtained. As for the transfer method, for example... If so, a heat transfer method such as roll transfer or press transfer, or an in-mold molding method can be employed. ru.

[0126] The base film does not immediately peel off from the transfer layer and is used as a protective film for anti-glare molded products. It is also permissible to do so. In such cases, the base film may be transferred to the transfer layer before using the anti-glare molded product. Then you just need to peel it off.

[0127] After placing the transfer film on the surface of the molded body, the resulting anti-glare molded body is further bent. It may be used for processing such as manufacturing. The processing can be performed either before or after peeling of the base film. You can leave or go.

[0128] The anti-glare molded article of this disclosure is, for example, one in which the formation of the molded article and the placement of the transfer film are performed simultaneously. It may also be manufactured by injecting resin onto the adhesive layer of the transfer film. The film and the resin molded body (injection molded body) are integrated. Next, the base film is transferred to the transfer layer. Then it peels off. In this case, the method for forming the resin molded body is, for example, in-mold molding. Insert molding method, injection molding with simultaneous decoration method, blow molding method, and gas injection molding method Examples of various injection molding methods include the following.

[0129] This disclosure relates, for example, to the following [1] to [9]. [1] A transfer film having a base film and a transfer layer, wherein the transfer layer is a surface protective layer and an adhesive layer, the surface protective layer constitutes the surface layer on the substrate film side of the transfer layer, and transfer The haze of the test specimen obtained by transferring the layer to a 2mm thick polycarbonate plate is 5% or more. The percentage is less than or equal to 60%, and the 60-degree specular gloss measured on the protective layer surface of the test specimen is 60% or higher. Transfer film with a ratio of 120% or less. [2] The substrate film and the surface protective layer in the transfer layer are in contact, as described in [1] above. Transfer film. [3] The maximum height Rz on the surface of the substrate film side of the surface protective layer is 0.5 μm or more. A transfer film as described in [1] or [2] above, wherein the thickness is μm or less. [4] The surface protective layer contains particles with an average particle diameter of 1 μm or more and 10 μm or less, as described above. A transfer film as described in any of [1] to [3]. [5] The above [1] to [4] further comprises a primer layer between the surface protective layer and the adhesive layer. A transfer film as described in any of the following: [6] Either the surface protective layer or the adhesive layer, or both, contain a weather-resistant agent. A transfer film as described in any of [1] to [5]. [7] The transfer film according to [5] above, wherein the primer layer contains a weather resistance improver. [8] For transferring the transfer layer onto at least a portion of the surface of a molded body for outdoor use, A transfer film as described in any of [1] to [7]. [9] A molded body and a surface protective film provided on at least a portion of the surface of the molded body, An anti-glare molded article having a surface protective film which is any of the above [1] to [8] The transfer layer in the transfer film described above, wherein the surface protective layer in the transfer layer is an anti-glare molded body An anti-glare molded body that constitutes at least a portion of the surface layer. [Examples]

[0130] The transfer film of this disclosure will be described below based on examples, but the transfer film of this disclosure is actually The examples are not limited in any way. In the following description, "mass parts" will be simply referred to as "parts". ru.

[0131] [Example 1] As the base film, a polyethylene terephthalate film (PET film) with a thickness of 50 μm is used. A PET film was used. The haze (Hz) of the PET film was 30%, and the total light transmittance (T) was 30%. t) is 85%, the specular gloss at 60 degrees is 86%, Ra is 0.1 μm, and Rz The diameter of the first layer is 0.8 μm, and the RSm is 45.8 μm.

[0132] The following curable resin composition for surface protective layer is applied to one side of the base film, and the uncured state is then removed. A resin layer was formed. An electron beam was used to treat the uncured resin under conditions of 90kV and 7Mrad (70kGy). The layer was irradiated to crosslink and harden the resin layer, forming a 3 μm thick surface protective layer. After applying corona discharge treatment to the surface, the following primer layer resin composition is applied to the thickness A 3 μm primer layer was formed. A heat-sealable resin (acrylic resin) was applied to the primer layer. It was spread to form an adhesive layer with a thickness of 4 μm. In this way, a transfer film was obtained. The transfer film has a PET film as a base film and a transfer layer provided on the PET film, and the transfer layer has a surface protection layer, a primer layer, and an adhesive layer.

[0133] <Curable resin composition for surface protection layer> Curable resin · 6-functional urethane (meth)acrylate 60 parts · Caprolactone-based urethane (meth)acrylate 40 parts The following materials were added to 100 parts of the above curable resin. · UV absorber 1.5 parts (Tinuvin 479 (trade name), 2-(2-hydroxy-4-[1-octyloxycarbonyl ethoxy]phenyl)-4,6-bis(4-phenylphenyl)-1,3,5-triazine, BASF Japan Ltd.) · Light stabilizer 3 parts (Sanol LS-3410 (trade name), 1,2,2,6,6-pentamethyl-4-piperidinyl methacrylate, Nippon Emulsion Co., Ltd.) · Non-reactive silicone compound 0.2 part (Polyether-modified silicone oil) · Particles 2 parts (Silica particles, average particle diameter: 2 μm) (Silica particles, average particle diameter: 2 μm)

[0134] <Resin composition for primer layer> · Polycarbonate-based urethane (meth)acrylic copolymer 100 parts (In the polycarbonate-based urethane acrylic copolymer, the mass ratio of the urethane component to the (meth)acrylic component is 70 / 30.) · Hydroxyphenyltriazine-based UV absorber 17 parts (Tinuvin 400 (trade name), 2-[4-[(2-hydroxy-3-dodecyloxyp [Hydroxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl) (Lu)-1,3,5-triazine (BASF Japan Co., Ltd.) • Hydroxyphenyltriazine-based UV absorber 13 parts (Chinubin 479 (trade name), 2-(2-hydroxy-4-[1-octyloxycal Bonylethoxyphenyl)-4,6-bis(4-phenylphenyl)-1,3,5-to Reagin (BASF Japan Ltd.) • Hindered amine-based light stabilizer (8 parts) (Chinubin 123 (product name), Bis(1-octyroxy-2,2,6,6-tetrameth (Lu-4-piperidil) sebacate (BASF Japan Co., Ltd.) • Blocking prevention agent (9 parts) (Silica particles, average particle size: 3 μm) • Hardener 25 parts (Hexanemethylene diisocyanate)

[0135] [Example 2] The base film has a haze of 72%, a total light transmittance of 85%, and a 60-degree specular gloss of 4. 9% density, Ra 0.2 μm, Rz 1.4 μm, RSm 67.1 μm, thickness 50 μm A transfer film was obtained in the same manner as in Example 1, except that a PET film of thickness m was used.

[0136] [Example 3] A curable resin composition for surface protective layer further contains (meth)acrylic resin particles (average particle size: 2μ). A transfer film was obtained in the same manner as in Example 2, except that 10 parts of m) were added.

[0137] [Example 4] A curable resin composition for surface protective layer further contains (meth)acrylic resin particles (average particle size: 6μ). A transfer film was obtained in the same manner as in Example 2, except that 10 parts of m) were added.

[0138] [Comparative Example 1] As the base film, a 50-μm-thick PET film having a haze of 2.3%, a total light transmittance of 88%, a 60-degree specular gloss of 171%, Ra of 0 μm, Rz of 0.2 μm, and RSm of 71.6 μm was used. A transfer film was obtained in the same manner as in Example 1, except for the above.

[0139] [Comparative Example 2] As the base film, a 50-μm-thick PET film having a haze of 83%, a total light transmittance of 68%, a 60-degree specular gloss of 1 4%, Ra of 0.4 μm, Rz of 2.8 μm, and RSm of 41.0 μm was used. A transfer film was obtained in the same manner as in Example 1, except for the above.

[0140] [Transfer] The transfer films obtained in the examples and comparative examples were attached to one side of a 2-mm-thick polycarbonate plate (haze: 0.8%, total light transmittance: 88.4%, 60-degree specular gloss: 170. 0%) at 160 °C while applying heat with the adhesive layer of the transfer film in contact with the polycarbonate plate. As a result, an antiglare molded body with a base film having a polycarbonate plate, an adhesive layer, a primer layer, a surface protective layer, and a base film in this order was obtained. The base film was peeled off to obtain an antiglare molded body (test piece).

[0141] [Antiglare property] The obtained test piece was placed on a table with the surface protective layer side facing up, and the antiglare property ( antiglare property, AG property) was visually evaluated in the following 6 grades by the reflection of a 38-W fluorescent lamp. The distance between the fluorescent lamp and the test piece was 2 m. 1 is better, and 6 is worse. 1: The outline of the light of the fluorescent lamp cannot be distinguished at all. ​​​​​​2: The outline of the fluorescent light is almost indistinguishable. 3: The outline of the fluorescent light is faintly discernible. 4: The light from the fluorescent lamp is blurred, but the outlines are still discernible. 5: The light from the fluorescent lamp is hardly blurred, and the outlines are still discernible. 6: The light from the fluorescent lamp is not blurred at all, and the outlines are clearly discernible.

[0142] [Transparency] The resulting test specimen is positioned so that the surface protective layer faces the observer and the polycarbonate plate faces the photograph. As shown, it was positioned between the observer and the photograph. The distance between the observer and the test specimen was set to 30 cm, and the test was conducted. The distance between the specimen and the photograph was set to 1m. When the photograph was viewed from the surface protective layer side through the specimen. Transparency was evaluated based on the visibility of the photographs on the following 6-point scale. 1 is better, and 6 is worse. be. 1: The image in the photograph can be clearly seen. 2: The image in the photo is hardly blurry. 3: The image in the photo is slightly blurry. 4: The image in the photo is blurry overall. 5: The image in the photo is generally blurry, but it is still recognizable. 6: The image in the photo is generally blurry and it is impossible to recognize what the image is.

[0143] [Weather resistance test] Ultra-accelerated weathering tester (manufactured by Iwasaki Electric Co., Ltd., product name: iSuper UV Tester, model number) Using :SUV-W23), the following (A), (B), and (C) constitute one cycle and the test is performed. The weather resistance test was conducted by repeating this cycle on one piece. The weather resistance test was repeated once to conduct a total of 500 hours of testing. (A) Black panel temperature: 63°C, humidity: 50%RH, under these conditions, the test specimen was subjected to Illuminance: 100mW / cm 2Then, irradiate it with ultraviolet light for 20 hours. (B) Apply a water spray (shower) to the test specimen for 30 seconds. (C) The test specimen is kept in an atmosphere of 98% RH humidity for 4 hours. (No UV irradiation)

[0144] [Glossiness] The 60-degree specular gloss (Gs60°) of the base film and test specimen is specified in JIS Z8741. In accordance with the standards, a gloss meter (BYK "Microtrigloss") was used to measure at an incident angle of 60°. In the case of test specimens, the glossiness of the surface protective layer was measured.

[0145] [Total light transmittance, diffuse light transmittance, and haze] Total light transmittance (Tt), diffuse light transmittance (Td), and haze of the substrate film and test specimen. (Hz) is measured in accordance with JIS K7105, using a haze meter (Toyo Seiki Seisakusho Co., Ltd.) The measurement was performed using a "direct-reading haze meter" manufactured by [manufacturer name]. In the case of the test specimen, the polycarbonate plate was The device was positioned so that it faced the light receiver side and the surface protective layer faced the light source side.

[0146] [Surface shape] Arithmetic mean roughness Ra, maximum height Rz, and average length of roughness curve elements of the base film and test specimen. The RSm conforms to JIS B0601-2001 and is a shape analysis laser microscope [Company Name] A curve obtained by measuring the surface irregularities using Keyence's "VK-X1000" device. The results were determined based on the following. In the case of test specimens, measurements were taken on the surface of the protective layer.

[0147] [Table 1] [Explanation of Symbols]

[0148] 1…Transfer film 2...Anti-glare molded body 10…Base film 20…Transfer layer 22…Surface protective layer 23…Primer layer 24...Adhesive layer 30…Molded object (transferred object)

Claims

1. A transfer film having a base film and a transfer layer, the transfer layer has a surface protective layer and an adhesive layer, the surface protective layer constitutes a surface layer of the transfer layer on the substrate film side, a haze of a test piece obtained by transferring the transfer layer onto a polycarbonate plate having a thickness of 2 mm is 5% or more and 30% or less, and a 60 degree specular gloss measured on the surface of the surface protective layer of the test piece is 60% or more and 120% or less, A transfer film, in which a cycle of the following steps (A), (B) and (C) is repeated 21 times in a weather resistance test, after which the haze of the test piece is 5% or more and 30% or less. (A) Black panel temperature: 63°C, humidity: 50% RH, illuminance on test piece: 100 mW / cm 2 The sample was exposed to ultraviolet light for 20 hours. (B) The test piece is subjected to a water spray treatment (shower) for 30 seconds. (C) The test piece is kept in an atmosphere with a humidity of 98% RH for 4 hours (without UV irradiation).

2. The transfer film according to claim 1 , wherein the 60 degree specular gloss measured on the surface protective layer of the test piece after the weather resistance test is 60% or more and 120% or less.

3. A transfer film having a base film and a transfer layer, the transfer layer has a surface protective layer and an adhesive layer, the surface protective layer constitutes a surface layer of the transfer layer on the substrate film side, a haze of a test piece obtained by transferring the transfer layer onto a polycarbonate plate having a thickness of 2 mm is 5% or more and 30% or less, and a 60 degree specular gloss measured on the surface of the surface protective layer of the test piece is 60% or more and 120% or less, A transfer film in which the following (A), (B) and (C) constitute one cycle, and the cycle is repeated 21 times on the test piece in a weather resistance test, after which the 60 degree specular gloss measured on the surface protective layer of the test piece is 60% or more and 120% or less. (A) Black panel temperature: 63°C, humidity: 50% RH, illuminance on test piece: 100 mW / cm 2 The sample was exposed to ultraviolet light for 20 hours. (B) The test piece is subjected to a water spray treatment (shower) for 30 seconds. (C) The test piece is kept in an atmosphere with a humidity of 98% RH for 4 hours (without UV irradiation).

4. A transfer film having a base film and a transfer layer, the transfer layer has a surface protective layer and an adhesive layer, the surface protective layer constitutes a surface layer of the transfer layer on the substrate film side, a haze of a test piece obtained by transferring the transfer layer onto a polycarbonate plate having a thickness of 2 mm is 5% or more and 30% or less, and a 60 degree specular gloss measured on the surface of the surface protective layer of the test piece is 60% or more and 120% or less, A transfer film in which the following steps (A), (B) and (C) constitute one cycle, and this cycle is repeated 21 times on the test piece in a weather resistance test, such that the ratio of the haze of the test piece after the weather resistance test to the haze before the weather resistance test is 87% or more. (A) Black panel temperature: 63°C, humidity: 50% RH, illuminance on test piece: 100 mW / cm 2 The sample was exposed to ultraviolet light for 20 hours. (B) The test piece is subjected to a water spray treatment (shower) for 30 seconds. (C) The test piece is kept in an atmosphere with a humidity of 98% RH for 4 hours (without UV irradiation).

5. The transfer film described in claim 4, wherein the ratio of the 60 degree specular gloss measured on the surface protection layer of the test piece after the weather resistance test to the 60 degree specular gloss before the weather resistance test is 91% or more.

6. A transfer film having a base film and a transfer layer, the transfer layer has a surface protective layer and an adhesive layer, the surface protective layer constitutes a surface layer of the transfer layer on the substrate film side, a haze of a test piece obtained by transferring the transfer layer onto a polycarbonate plate having a thickness of 2 mm is 5% or more and 30% or less, and a 60 degree specular gloss measured on the surface of the surface protective layer of the test piece is 60% or more and 120% or less, A transfer film in which the following (A), (B) and (C) constitute one cycle, and this cycle is repeated 21 times on the test piece in a weather resistance test, and the ratio of the 60 degree specular gloss measured on the surface protective layer of the test piece after the weather resistance test to the 60 degree specular gloss before the weather resistance test is 91% or more. (A) Black panel temperature: 63°C, humidity: 50% RH, illuminance on test piece: 100 mW / cm 2 The sample was exposed to ultraviolet light for 20 hours. (B) The test piece is subjected to a water spray treatment (shower) for 30 seconds. (C) The test piece is kept in an atmosphere with a humidity of 98% RH for 4 hours (without UV irradiation).

7. The transfer film according to any one of claims 1 to 6, wherein the base film and the surface protective layer of the transfer layer are in contact with each other.

8. The transfer film according to any one of claims 1 to 7, wherein the maximum height Rz of the surface protective layer on the surface facing the base film is 0.5 µm or more and 3 µm or less.

9. The transfer film according to any one of claims 1 to 8, wherein the surface protective layer contains particles having an average particle size of 1 µm or more and 10 µm or less.

10. The transfer film according to any one of claims 1 to 9, further comprising a primer layer between the surface protective layer and the adhesive layer.

11. The transfer film according to claim 10 , wherein the primer layer contains a weather resistance improver.

12. The transfer film according to any one of claims 1 to 11, wherein the haze of the base film is 10% or more and 80% or less.

13. The transfer film according to any one of claims 1 to 12, for transferring the transfer layer onto at least a part of the surface of a molded body for outdoor use.

14. The transfer film according to claim 13, for transferring the transfer layer onto at least a part of the surface of a transparent resin molding.

15. An antiglare molded body having a molded body and a surface protective film provided on at least a part of the surface of the molded body, The surface protective film is the transfer layer in the transfer film according to any one of claims 1 to 14, and the surface protective layer in the transfer layer constitutes at least a portion of the surface layer of the antiglare molded body.

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