Decorative film

Abstract

A decorative film includes a transparent resin layer having a first main surface and a second main surface, and a first decorative layer embedded in the first main surface of the transparent resin layer. The first decorative layer includes beads and a colored binder, and the surface of the first decorative layer is exposed. The content of the beads is about 20 mass% or greater with respect to the total amount of the first decorative layer.

Description

PA103155WO02DECORATIVE FILMTechnical Field

[0001] The present disclosure relates to a decorative film.Background Art

[0002] In recent years, decorative films with various designs have been developed.

[0003] Patent Document 1 (JP 2001-260299 A) describes a woody decorative sheet including: a transparent resin film having two main surfaces; a wood grain pattern portion provided on a first main surface of the transparent resin film; a colored base film layer laminated on the wood grain pattern portion on the first main surface of the transparent resin film; and a conduit pattern portion provided on a second main surface of the transparent resin film, wherein the conduit pattern portion is formed by a printing ink containing matte beads, and the conduit pattern portion is embedded in the surface of the transparent resin film but the surface of the conduit pattern portion is exposed.

[0004] Patent Document 2 (JP 2008-087269 A) describes a decorative sheet including on a base material at least one of a pictorial pattern layer, a uniform and homogeneous first surface protective layer covering the entire surface, and a second surface protective layer partially provided on the first surface protective layer, wherein the first surface protective layer and the second surface protective layer each are a crosslinked and cured product of a curable resin composition, the first surface protective layer contains a delustering agent, the second surface protective layer contains synthetic resin beads having an average particle diameter of from 10 to 30 μm, the synthetic resin beads protrude from the top of a resin layer forming the second surface protective layer, and at the top surface, a portion of the second surface protective layer and an exposed portion of the first surface protective layer are different in gloss, and, the difference in gloss and the pictorial pattern layer are harmonized with each other.Citation ListPatent Documents

[0005] Patent Document 1: JP 2001-260299 APatent Document 2: JP 2008-087269 ASummary of Invention

[0006] In some cases, decorative films are required to have solvent resistance for decorative layers exhibiting mattness. For example, the woody decorative sheet described in Patent Document 1 has an exposed surface of the conduit pattern portion exhibiting mattness, and thus there has been a case where the solvent resistance of such woody decorative sheet isdeteriorated than that of a decorative sheet whose conduit pattern portion has a protected surface.

[0007] The present disclosure provides a decorative film that includes a decorative layer having an exposed surface and exhibiting mattness, and is excellent in performances such as solvent resistance.

[0008] According to an embodiment of the present disclosure, there is provided a decorative film including: a transparent resin layer having a first main surface and a second main surface; and a first decorative layer embedded in the first main surface of the transparent resin layer, wherein the first decorative layer includes beads and a colored binder, a surface of the first decorative layer is exposed, and a content of the beads is about 20 mass% or greater with respect to a total amount of the first decorative layer.

[0009] According to the present disclosure, it is possible to provide a decorative film that includes a decorative layer having an exposed surface and exhibiting mattness and is excellent in performances such as solvent resistance.

[0010] The description mentioned above shall not be construed as having disclosed all the embodiments of the present invention nor all the advantages related to the present invention.Brief Description of Drawings

[0011] FIG. 1 is a diagram schematically illustrating a cross section of a decorative film according to an embodiment of the present disclosure.FIG. 2 is a diagram related to a manufacturing method of a decorative film according to an embodiment of the present disclosure.FIG. 3(a) is a picture of a decorative film of Example 1 after a solvent resistance test 2 described later, and FIG. 3(b) is a picture of a decorative film of Comparative Example 1 after a solvent resistance test 2 described later.Detailed Description

[0012] Hereinafter, representative embodiments of the present invention will be described in more detail for the purpose of illustration, but the present invention is not limited to these embodiments.

[0013] In the present disclosure, the word “on” used, for example, in such a wording that reads “an adhesive layer disposed on a release liner” means that the adhesive layer can be disposed directly on the upper side of the release liner, or, that the adhesive layer can be indirectly disposed above the release liner with another layer interposed therebetween.

[0014] In the present disclosure, the word “under”, for example, in such a wording that reads “adhesive layer disposed under a colored resin layer” means that the adhesive layer can be disposed directly on the lower side the colored resin layer, or that the adhesive layer can be indirectly disposed below the colored resin layer with another layer interposed therebetween.

[0015] In the present disclosure, the word “transparent” refers to a condition where an average transmittance in a visible light region (wavelength from 400 nm to 700 nm) as measured in accordance with JIS K 7375 is about 80% or higher, and the average transmittance may be desirably about 85% or higher, or about 90% or higher. The upper limit of the average transmittance is not particularly limited, and can be, for example, about less than 100%, about 99% or less, or about 98% or less.

[0016] In the present disclosure, the word “translucent” refers to a condition where an average transmittance in a visible light region (wavelength from 400 nm to 700 nm) as measured in accordance with JIS K 7375 is about less than 80%, and the average transmittance may be desirably about 75% or less, and “translucent” is intended to mean that an underlying layer or the like is not completely hidden.

[0017] In the present disclosure, the term “film” also includes a member called a “sheet”.

[0018] In the present disclosure, the term “(meth)acrylic” refers to acrylic or methacrylic, and the term “(meth)acrylate” refers to acrylate or methacrylate.

[0019] Hereinafter, a decorative film of the present disclosure will be described with reference to the drawings, as necessary.

[0020] A decorative film 100 in FIG. 1 includes a first decorative layer 101 including beads 102 and a colored binder 103, a transparent resin layer 104, a second decorative layer 105, a colored resin layer 106, an adhesive layer 107, and a release liner 108. Here, the second decorative layer, the colored resin layer, the adhesive layer, and the release liner are optional components, and the decorative film of the present disclosure may include these layers but does not need to include these layers.

[0021] Hereinafter, for the purpose of illustrating typical embodiments of the present disclosure, details of each component will be described with some reference signs omitted.

[0022] A decorative film according to an embodiment of the present disclosure includes a transparent resin layer and a first decorative layer. Besides these, the decorative film of the present disclosure may include an optional layer (e.g., an adhesive layer and a release liner) to be described later.

[0023] As illustrated in FIG. 1, the decorative film of the present disclosure includes a transparent resin layer having a first main surface to which a first decorative layer described later is applied, and a second main surface (a surface facing the second design layer 105 in FIG. 1) positioned on a side opposite to the first main surface. The transparent resin layer is a layer in which the first decorative layer applied to the first main surface is to be embedded, and is a layer capable of holding the embedded first decorative layer.

[0024] The material of the transparent resin layer is not particularly limited, and examples thereof include: a (meth)acrylic resin containing polymethyl methacrylate (PMMA) and a (meth)acrylic copolymer, a resin having a urethane bond (for example, polyurethane), a silicone resin, a polyvinyl chloride resin (PVC), a polycarbonate (PC), a polyolefin resin suchas polyethylene (PE) and polypropylene (PP), a polyester resin such as polyethylene terephthalate (PET) and polyethylene naphthalate (PEN), a polyamide resin such as nylon, and a copolymer such as an ethylene-acrylic acid copolymer (EAA) and its ionomer, an ethylene-ethyl acrylate copolymer, an ethylene-vinyl acetate copolymer, and an ethylenevinyl alcohol copolymer (EVOH). Here, in the present disclosure, the term “resin having a urethane bond” may include, besides a urethane resin, for example, a resin prepared by using at least one selected from urethane (meth)acrylate and urethane (meth)acrylate oligomer, and the urethane resin can also include a (meth)acrylic urethane resin, and the like. From a point of view of processability, workability, solvent resistance, and the like, a polyvinyl chloride resin is preferable. One type of the resin forming the transparent resin layer can be used singly, or two or more types thereof may be blended and used.

[0025] The transparent resin layer may have a multilayer structure. For example, the transparent resin layer may be a laminate of a film formed from the resin, or may be a multilayer coating of the resin. Apart from the first decorative layer to be embedded, the transparent resin layer may have a three-dimensional uneven shape such as an embossed pattern on the entire surface thereof or a part of the surface thereof.

[0026] In some embodiments, as the transparent resin layer, there can be employed a transparent resin layer film that is prepared by coating a release liner with a transparent resin composition. The transparent resin layer film can be formed by, for example, coating a release liner or the like with a resin material such as a curable (meth)acrylic resin composition or a reactive polyurethane composition by knife coating, bar coating, blade coating, doctor coating, roll coating, cast coating or the like, and then by light or heat curing of the resin material as necessary. When the light or heat curing is performed, for example, in a state where the transparent resin layer is semi-cured, the embedding operation of the first decorative layer is carried out, and then the transparent resin layer is completely cured, so that the first decorative layer can be embedded into the transparent resin layer.

[0027] In some embodiments, a transparent resin formed into a film shape beforehand by extrusion, stretching, or the like may be used as the transparent resin layer. The transparent resin layer can also be formed by multilayer extrusion along with another layer. As the other layer, for example, a (meth)acrylic film can be used. As the (meth)acrylic film, for example, a resin containing polymethyl methacrylate (PMMA), butyl polyacrylate, (meth)acrylic copolymer, ethylene-acrylic copolymer, ethylene vinyl acetate-acrylic copolymer or the like can be formed into a film and used.

[0028] The transparent resin layer of the present disclosure can be optionally blended with another component singly or a combination of two or more types of other components to the extent that the effect of the present disclosure is not adversely affected. Examples of the optional component include a filler, an antioxidant, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a hard coat material, a gloss imparting agent, a dispersant, a plasticizer, aflow improver, a surfactant, a leveling agent, a silane coupling agent, and a catalyst. Among these, an ultraviolet absorber such as benzotriazole, Tinuvin (trade name) 400 (available from BASF), a hindered amine light stabilizer (HALS) such as Tinuvin (trade name) 292 (available from BASF) or the like is used and thereby discoloration, fading, and deterioration and the like of a layer located below (for example, the second decorative layer) can be effectively prevented.

[0029] The transparent resin layer may be partially translucent or opaque, but is preferably transparent from a point of view of visibility or the like, for example, when a colored resin layer, a second decorative layer, or the like is disposed under the transparent resin layer.

[0030] The thickness of the transparent resin layer may vary, and may be, for example, about 1 micrometer or greater, about 5 micrometers or greater, about 10 micrometers or greater, about 20 micrometers or greater, about 30 micrometers or greater, about 40 micrometers or greater, or about 50 micrometers or greater, and may be about 500 micrometers or less, about 400 micrometers or less, about 300 micrometers or less, about 200 micrometers or less, about 100 micrometers or less, or about 80 micrometers or less. From a point of view of embeddability, solvent resistance, and the like of the first decorative layer, the thickness of the transparent resin layer is preferably about 30 micrometers or greater, more preferably about 40 micrometers or greater, and particularly preferably about 50 micrometers or greater.

[0031] As illustrated in FIG. 1, the decorative film of the present disclosure includes the first decorative layer 101 embedded in the first main surface of the transparent resin layer 104 and having an exposed surface (a decorative layer having such a configuration is referred to as a “surface-exposed embedded-type decorative layer” in some cases). The first decorative layer of the present disclosure contains beads and a colored binder, and the content of the beads is about 20 mass% or greater with respect to the total amount of the first decorative layer.

[0032] The first decorative layer of the present disclosure includes beads and is formed in a state of being embedded in the transparent resin layer, and hence can also be improved in wear resistance performance as compared with a decorative layer that does not include beads and / or is not embedded in the transparent resin layer. From a point of view of wear resistance, solvent resistance, and the like, the first decorative layer is preferably embedded in the transparent resin layer by about 30% or greater, or about 50% or greater, more preferably by about 60% or greater, about 70% or greater, or about 80% or greater, and particularly preferably by about 90% or greater, about 95% or greater, or 100% with respect to the maximum height (maximum thickness) of the first decorative layer.

[0033] In the woody decorative sheet described in Patent Document 1, the conduit pattern portion embedded in the transparent resin film and having an exposed surface is formed by a printing ink containing colored beads and a transparent binder. The inventor of the present application has found that by using a colored binder instead of the transparent binder, the solvent resistance is further improved as compared with the surface-exposed embedded-typedecorative layer prepared by using the transparent binder. The use of colored beads is indispensable for a known surface-exposed embedded-type decorative layer using a transparent binder in order to exhibit decorativeness. When the surface of the decorative film including such decorative layer is wiped with a solvent such as isopropanol, the colored beads fall off in some cases, and as a result, there has been a case where the decorative pattern disappeared as illustrated in FIG. 3(b). In the decorative film of the present disclosure, the first decorative layer that is the surface-exposed embedded-type decorative layer is formed not of a transparent binder but of a colored binder. As a result, even if the beads contained in the decorative layer fall off, the colored binder remains, and hence the problem where the decorative pattern disappears can be reduced or prevented as compared with the known decorative film using a transparent binder. In addition, unevenness due to the fallen beads is formed in the portion of the decorative layer from which the beads have fallen off, and thus a decrease in mattness can be suppressed.

[0034] The beads to be used in the first decorative layer are not particularly limited, and one type thereof can be used singly, or two or more types thereof can be used in combination. The shape of the beads is not particularly limited, and for example, beads having a substantially spherical shape can be used. The substantially spherical shape can be defined by, for example, circularity (4π × area / (square of perimeter)), and a shape having a circularity in a range from about 0.7 to about 1.0 can be defined as a substantially spherical shape.

[0035] As the beads, for example, at least one selected from the group consisting of transparent beads and colored beads can be employed. By using a predetermined quantity of beads, mattness can be imparted to the first decorative layer, and among the beads, colored beads can also impart decorativeness. Here, the “colored beads” in the present disclosure may be typically prepared by using a dye or a pigment (e.g., a dye or a pigment in black, red, brown, yellow or the like), but the “colored beads” in the present disclosure are not a dye and a pigment per se generally used in the field of decorative films. In addition, the “mattness” in the present disclosure is intended to exhibit a lower surface gloss than a decorative layer not containing beads.

[0036] The first decorative layer can be formed by using a decorative layer forming ink. The content of the beads is about 20 mass% or greater in terms of solid content of the decorative layer forming ink or with respect to the total amount of the first decorative layer. Such content can be, for example, about 25 mass% or greater, about 30 mass% or greater, about 40 mass% or greater, or about 50 mass% or greater, and can be about 90 mass% or less, about 85 mass% or less, or about 80 mass% or less. From a point of view of mattness, wear resistance, and the like, the content of beads is preferably about 40 mass% or greater. Even if the first decorative layer contains the beads at a high concentration, the decorative film of the present disclosure can reduce or prevent a problem (i.e., disappearance of the decorative pattern) caused by beads falling off due to a solvent. Such falling off of beads is more likely to occurwhen the decorative film is stretched, but the decorative film of the present disclosure can reduce or prevent a problem (i.e., disappearance of the decorative pattern) caused by beads falling off due to a solvent even after stretching. That is, it can be said that the decorative film of the present disclosure can exhibit excellent solvent resistance even after stretching.

[0037] In some embodiments, the blending amount of transparent beads in the first decorative layer can be, for example, about 20 mass% or greater, about 30 mass% or greater, about 40 mass% or greater, about 50 mass% or greater, about 60 mass% or greater, or about 70 mass% or greater, and about 100 mass% or less, about 90 mass% or less, about 80 mass% or less, about 70 mass% or less, about 60 mass% or less, or about 50 mass% or less with respect to the total amount of the beads. The blending amount of colored beads in the first decorative layer can be, for example, about 0 mass% or greater, about 1 mass% or greater, about 5 mass% or greater, about 10 mass% or greater, about 20 mass% or greater, about 30 mass% or greater, about 40 mass% or greater, or about 50 mass% or greater, and about 100 mass% or less, about 80 mass% or less, about 60 mass% or less, about 50 mass% or less, about 40 mass% or less, about 30 mass% or less, or about 20 mass% or less with respect to the total amount of the beads. From a point of view of solvent resistance, the content of transparent beads is preferably about 20 mass% or greater and about 100 mass% or less, and the content of colored beads is preferably about 0 mass% or greater and about 80 mass% or less.

[0038] In some embodiments, when the first decorative layer contains colored beads in a color different from a colored binder, the first decorative layer contains transparent beads and colored beads. Such configuration can further reduce or prevent a problem (that is, disappearance of the decorative pattern) caused by beads falling off due to a solvent. Such effect is likely to occur when the colored beads are dark in color, for example, when colored beads such as black colored beads and a brown colored binder are employed. From a point of view of decorativeness and solvent resistance in such first decorative layer, the content of transparent beads is preferably about 45 mass% or greater, about 50 mass% or greater, about 60 mass% or greater, about 65 mass% or greater, or about 70 mass% or greater, and less than about 100 mass%, about 95 mass% or less, about 90 mass% or less, or about 80 mass% or less with respect to the total amount of the beads, and the content of colored beads is preferably about 55 mass% or less, about 50 mass% or less, about 40 mass% or less, about 35 mass% or less, or about 30 mass% or less, and greater than about 0 mass%, about 5 mass% or greater, about 10 mass% or greater, or about 20 mass% or greater with respect to the total amount of the beads.

[0039] The size of the beads can be defined by, for example, the average particle diameter of the beads, and can be appropriately set in consideration of the mattness, wear resistance, solvent resistance, embeddability of the first decorative layer, and the like. The average particle diameter of the beads may be, for example, about 4 micrometers or greater, about 5 micrometers or greater, about 6 micrometers or greater, or about 10 micrometers or greater,and may be about 30 micrometers or less, about 27 micrometers or less, or about 25 micrometers or less. The average particle diameter of beads is the accumulated volume 50% particle diameter as measured with a laser diffraction particle size distribution analyzer.

[0040] The type of beads is not particularly limited, and for example, inorganic beads such as glass beads or organic beads can be employed. Inorganic beads are poor in printability as compared to organic beads, and also have a large specific gravity and are likely to settle down in the first decorative layer, and hence are difficult to exhibit mattness in some cases. From a point of view of printability and mattness, the beads are preferably organic beads. The beads may be solid or may have voids.

[0041] Examples of the organic beads include resin beads prepared from at least one selected from the group consisting of a resin having a urethane bond, a styrene resin, a polyolefin resin, a polyamide resin, a polyester resin, a melamine resin, a silicone resin, a cellulose resin, and a (meth)acrylic resin. Among them, from a point of view of solvent resistance, the organic beads are preferably (meth)acrylic beads or cellulose beads, and more preferably (meth)acrylic beads.

[0042] The colored binder that can be used in the first decorative layer is not particularly limited, and one type thereof can be used singly, or two or more type thereof can be used in combination. Here, the “colored binder” in the present disclosure is intended to mean a binder colored with a dye or a pigment (e.g., a dye or a pigment in black, red, brown, yellow, or the like).

[0043] As the binder resin of the colored binder, for example, a known resin for binder, such as a vinyl chloride-vinyl acetate resin (which may be referred to as a “vinyl chloride-vinyl acetate copolymer resin” in some cases), a (meth)acrylic resin, or a cellulose resin, or a curable resin such as a thermosetting, photocurable, or electron beam curable resin, including an aminoalkyd resin, a resin having a urethane bond, an unsaturated polyester resin, an epoxy resin, and a (meth)acrylic resin can be used. The binder resin can be used singly, or two or more types thereof can be used in combination. Among them, the vinyl chloride-vinyl acetate resin is preferable. For example, when a vinyl chloride-vinyl acetate resin is contained as a colored binder in a case where the transparent resin layer described above contains a polyvinyl chloride resin, for example, at the time when the first decorative layer is embedded in the transparent resin layer by embossing treatment, the resins of both layers are miscible with each other at the interface between both layers, and hence the adhesion of the first decorative layer can be further improved, and as a result, the solvent resistance can be further improved.

[0044] The content of the colored binder may be, for example, about 10 mass% or greater, about 15 mass% or greater, about 20 mass% or greater, or about 25 mass% or greater, and about 80 mass% or less, about 75 mass% or less, about 70 mass% or less, about 60 mass% or less, or about 50 mass% or less in terms of the solid content of the decorative layer formingink or with respect to the total amount of the first decorative layer. From a point of view of solvent resistance, the content of the colored binder is preferably about 20 mass% or greater, or about 25 mass% or greater. From a point of view of mattness and wear resistance, the content of the colored binder is preferably about 60 mass% or less, or about 50 mass% or less.

[0045] Examples of the first decorative layer include, but are not limited to, a color layer exhibiting a paint color, for example, a light color such as white or yellow, or a dark color such as red, brown, green, blue, gray, or black; a pattern layer imparting a conduit pattern such as wood grain, stone grain, or wood, a geometric pattern, a pattern such as a leather pattern, a logo, a pictorial pattern, or the like to an article, and a combination thereof. These can be formed by using a printing method such as gravure direct printing, gravure offset printing, inkjet printing, laser printing, or screen printing. The surface-exposed embedded-type decorative layer can form a finer pattern than a decorative layer formed by a wiping method, and thus a pattern such as a conduit pattern can be suitably employed as the first decorative layer. Since such pattern is a fine pattern, the decorative layer using known colored beads is likely to be affected by a problem (that is, disappearance of the decorative pattern) caused by beads falling off due to a solvent. The decorative film of the present disclosure can exhibit excellent solvent resistance even for such fine pattern.

[0046] The first decorative layer of the present disclosure can contain as an optional component, for example, an antioxidant, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a dispersant, a flow improver, a surfactant, a leveling agent, a silane coupling agent, a catalyst, and the like to the extent that the effect of the present disclosure is not adversely affected.

[0047] The thickness of the first decorative layer is not particularly limited as long as the thickness is appropriately adjusted according to the size of beads to be blended, the blending amount thereof, the required decorativeness, and the like. Such thickness can be, for example, about 1 micrometer or greater, about 3 micrometers or greater, or about 5 micrometers or greater, and can be about 50 micrometers or less, about 40 micrometers or less, or about 30 micrometers or less. When unevenness is formed on the surface of the first decorative layer, such thickness is intended to mean a maximum thickness of the first decorative layer from the bottom surface to the top.

[0048] In some embodiments, the decorative film of the present disclosure optionally includes an additional layer under the second main surface of the transparent resin layer. As such additional layer, mention may be made of at least one selected from the group consisting of a second decorative layer (for example, a pattern layer), a brightening layer, a bonding layer, an intermediate resin layer (for example, a colored resin layer), an adhesive layer, and a release liner. The additional layer can be applied to the entire surface or a portion of the decorative film.

[0049] Examples of the second decorative layer include, but are not limited to, a pattern layer imparting a pattern such as wood grain, stone grain, geometric pattern, or leather pattern, a logo, or a pictorial pattern to an article; a relief (relief pattern) layer having an uneven shape on a surface thereof; and a combination thereof. For example, when the first decorative layer described above is a conduit pattern, the second decorative layer preferably exhibits a wood grain pattern from a point of view of decorativeness.

[0050] The second decorative layer can be applied to, but not limited to the following, the entire surface or a part of a layer (for example, the transparent resin layer and / or the colored resin layer) forming the decorative film, directly or with a bonding layer or the like interposed therebetween.

[0051] The pattern layer is not limited to the following, but for example, there may be employed a pattern, such as a design, a logo, or a pictorial pattern, directly applied to a transparent resin layer and / or a colored resin layer using a printing method such as gravure direct printing, gravure offset printing, inkjet printing, laser printing, or screen printing, or there may be used a film, a sheet, or the like having a design, a logo, a pictorial pattern, or the like formed by coating such as gravure coating, roll coating, die coating, bar coating, or knife coating, punching, etching, or the like. As the material of the pattern layer, there may be used, for example, but not limited to, materials in which a pigment such as an inorganic pigment (such as carbon black, chrome yellow, yellow iron oxide, colcothar, or red iron oxide), or an organic pigment such as a phthalocyanine pigment (such as phthalocyanine blue or phthalocyanine green), an azo lake pigment, an indigo pigment, a perinone pigment, a perylene pigment, a quinophthalone pigment, a dioxazine pigment, or a quinacridone pigment (such as quinacridone red) is dispersed in a binder resin such as a (meth)acrylic resin and a resin having a urethane bond. Beside these, a known colorant (such as a dye or a dye) may be used.

[0052] As the relief layer, there can be used a thermoplastic resin film having a surface with an uneven shape by a traditionally known method such as embossing, scratch machining, laser machining, dry etching process, or heat press working. The relief layer can also be formed by a way in which a radiation-curable resin or thermosetting resin such as a curable (meth)acrylic resin is applied to a release liner having an uneven shape, and cured by heating or radiation irradiation and then the release liner is removed.

[0053] The thermoplastic resin, the thermosetting resin, and the radiation-curable resin to be used for the relief layer are not particularly limited, and for example, there can be used a polyester-based resin such as PET and PEN, a (meth) acrylic resin, a polyolefin-based resin such as polyethylene and polypropylene, a thermoplastic elastomer, a polycarbonate resin, a polyamide resin, an ABS resin, an acrylonitrile-styrene resin, a polystyrene resin, a vinyl chloride resin, and a resin having a urethane bond. The relief layer may contain at least one of pigments to be used in the color layer.

[0054] The second decorative layer of the present disclosure can contain, as an optional component, for example, a filler, a reinforcing agent, an antioxidant, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a dispersant, a flow improver, a surfactant, a leveling agent, a silane coupling agent, a catalyst, and the like, to the extent that the effect of the present disclosure is not adversely affected.

[0055] The thickness of the second decorative layer is not particularly limited as long as the thickness is appropriately adjusted according to required decorativeness and the like. Such thickness can be, for example, about 1 micrometer or greater, about 3 micrometers or greater, or about 5 micrometers or greater, and can be about 50 micrometers or less, about 40 micrometers or less, or about 30 micrometers or less.

[0056] The brightening layer is not limited to the following, but may be a layer forming the decorative film, for example, a layer containing a metal selected from aluminum, nickel, gold, silver, copper, platinum, chromium, iron, tin, indium, titanium, lead, zinc, germanium, or the like, or an alloy or compound thereof, which is formed on the entire surface or a part thereof on the transparent resin layer and / or the colored resin layer by vacuum deposition, sputtering, ion plating, plating, or the like. The thickness of the brightening layer can be appropriately set according to the required decorativeness and the like.

[0057] The decorative film of the present disclosure can use a bonding layer (which is referred to as a “primer layer” or the like in some cases) in order to bond an additional layer in the decorative film. As the bonding layer, there can be used a commonly used adhesive of solvent type, emulsion type, pressure sensitive type, heat sensitive type, heat curable type, or ultraviolet curable type adhesive, such as (meth)acrylic-based, polyolefin-based, polyurethane-based, polyester-based, rubber-based adhesive, or the like. The bonding layer can be applied by a known coating method or the like.

[0058] The decorative film of the present disclosure may include an intermediate resin layer, for example, a colored resin layer. Examples of the resin forming the intermediate resin layer (such as the colored resin layer) include a resin having a urethane bond, a polyvinyl chloride resin, a polyolefin resin such as polyethylene or polypropylene, a polyester resin such as polyethylene terephthalate or polybutylene terephthalate, and a (meth)acrylic polymer resin. When the intermediate resin layer is used as the colored resin layer, the colored resin layer can be prepared by appropriately mixing such resin with the pigment used in the pattern layer described above or a known colorant (such as a pigment or a dye).

[0059] The intermediate resin layer can contain, as an optional component, for example, a filler, a reinforcing agent, an antioxidant, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a dispersant, a flow improver, a surfactant, a leveling agent, a silane coupling agent, a catalyst, and the like to the extent that the effect of the present disclosure is not adversely affected.

[0060] The thickness of the intermediate resin layer (such as the colored resin layer) can be about 5 micrometers or greater, about 10 micrometers or greater, or about 15 micrometers or greater, and about 200 micrometers or less, about 100 micrometers or less, or about 50 micrometers or less.

[0061] The decorative film of the present disclosure may include an adhesive layer. As the adhesive layer, there can be used a commonly used adhesive of solvent type, emulsion type, pressure sensitive type, heat sensitive type, heat curable type, or ultraviolet curable type adhesive, such as (meth)acrylic-based, polyolefin-based, polyurethane-based, polyester-based, rubber-based adhesive, or the like. The adhesive layer can be applied by a known coating method or the like.

[0062] The adhesive layer can be optionally blended with another component singly or a mixture of two or more other components to the extent that the effect of the present disclosure is not adversely affected. Examples of such optional component include the third polymer described above, a filler, a conductive agent, a thermal conductivity imparting agent, an antioxidant, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a dispersant, a lubricant, a surfactant, a leveling agent, a silane coupling agent, a catalyst, a colorant (such as a pigment and a dye), and a solvent.

[0063] The thickness of the adhesive layer of the present disclosure may be appropriately set in consideration of required adhesive force and the like. Such thickness can be, for example, about 10 micrometers or greater, about 20 micrometers or greater, or about 30 micrometers or greater, and can be about 300 micrometers or less, about 200 micrometers or less, or about 100 micrometers or less.

[0064] For the decorative film of the present disclosure, typically, a release liner may be applied to the adhesive layer. Examples of the release liner include: paper; a plastic material such as polyethylene, polypropylene, polyester (e.g., PET), and cellulose acetate; and paper coated with such a plastic material. These liners may have a surface that has been subjected to release treatment with a release agent such as silicone.

[0065] The thickness of the release liner can generally be about 5 micrometers or greater, about 15 micrometers or greater, or about 25 micrometers or greater, and can be about 500 micrometers or less, about 300 micrometers or less, about 100 micrometers or less, or about 50 micrometers or less.

[0066] In some embodiments, a preferred configuration of the decorative film of the present disclosure includes, as illustrated in FIG. 1, the above-described first decorative layer embedded in the first main surface of the transparent resin layer, and a configuration containing a second decorative layer, a colored resin layer and an adhesive layer in sequence under the second main surface of this transparent resin layer, wherein the first decorative layer exhibits a conduit pattern and the second decorative layer exhibits a wood grain pattern.

[0067] The decorative film of the present disclosure may be, for example, a sheet-like article, a rolled body wound in a roll shape, or an article with a three-dimensional shape.

[0068] In some embodiments, the decorative film of the present disclosure can exhibit an evaluation rated as C, B, or A in solvent resistance tests 1 and 2 described later.

[0069] In some embodiments, the decorative film of the present disclosure exhibits wear resistance. The wear resistance of the decorative film of the present disclosure can be evaluated by the Taber abrasion test described below. The decorative films of the present disclosure can exhibit a wear performance of 350 cycles or more, 400 cycles or more, 450 cycles or more, or 500 cycles or more in such tests. The upper limit value of such wear performance is not particularly limited, but can be, for example, 2000 cycles or less, 1500 cycles or less, 1000 cycles or less, or 950 cycles or less.

[0070] As an example, a method of producing a decorative film including a first decorative layer, a transparent resin layer, a second decorative layer, and a colored resin layer in sequence will be described below, but the method of producing a decorative film of the present disclosure is not limited thereto.

[0071] As illustrated in FIG. 2(a), a first decorative layer (conduit pattern portion) 201 is printed on a first main surface of a transparent resin layer (transparent resin film) 204, and a second decorative layer (wood grain pattern portion) 205 is printed on a second main surface. Here, the printing of the first decorative layer 201 and the printing of the second decorative layer 205 may be performed separately or simultaneously. From a point of view of work efficiency and the like, the printings are preferably performed simultaneously.

[0072] Next, as illustrated in FIG. 2(b), the transparent resin layer 204 is passed through while being heated between embossing rolls 210 (e.g., embossing rolls having a matte surface (the “embossing roll” is referred to as an “embossing cylinder” in some cases)) such that a colored resin layer (colored film) 206 lies on top of the side of the second decorative layer 205 of the transparent resin layer 204 having the first decorative layer 201 and the second decorative layer 205 printed thereon, whereby the colored resin layer 206 is thermally sealed to the transparent resin layer 204. By this working, the first decorative layer 201 printed on the first main surface of the transparent resin layer 204 is embedded in the transparent resin layer 204. In FIG. 2(b), the step of thermally sealing the colored resin layer 206 and the step of embedding the first decorative layer 201 in the transparent resin layer 204 are simultaneously carried out, but these steps may be separately carried out. That is, the step of embedding the first decorative layer in the transparent resin layer may be carried out after thermally sealing the colored resin layer to the transparent resin layer, or the colored resin layer may be thermally sealed after the step of embedding the first decorative layer in the transparent resin layer. Here, the heating condition is not particularly limited, and can be appropriately set in consideration of embeddability of the first decorative layer and / or heat sealability of the colored resin layer. As the heating temperature, for example, a temperaturehigher than the softening point of the transparent resin layer and / or the colored resin layer can be employed. Such temperatures can be appropriately set typically in the range from about 90 to about 200°C.

[0073] Subsequently, if necessary, a decorative film can be formed by applying an adhesive layer and a release liner to the surface of the colored resin layer 206 opposite to the surface to which the second decorative layer 205 is applied. The application of the adhesive layer can be performed, for example, in a way that an adhesive layer with a release liner in which the adhesive layer is applied on a release surface of the release liner is separately prepared, and this adhesive layer and a colored resin layer are dry-laminated.

[0074] The decorative film mentioned as an example has a conduit pattern portion as the first decorative layer. Since the conduit pattern portion contains beads, after passing through the embossing roller 210, a fine uneven shape is formed on the surface of the conduit pattern portion (first decorative layer 201) having an exposed surface in a state of being embedded in the transparent resin layer 204. As a result, a three-dimensional difference in level is generated between the region where the conduit pattern portion is not provided and the conduit pattern portion on the first main surface of the transparent resin layer. The conduit portion of the natural wood is originally recessed, and therefore the decorative film prepared in this way can reproduce a three-dimensional conduit design close to that of the natural wood, and can reproduce a tactile impression close to that of the natural wood. Furthermore, since the first decorative layer (conduit pattern portion) 201 is embedded in the transparent resin layer 204, the disappearance of the conduit pattern due to abrasion can also be reduced or prevented.

[0075] The means mentioned above can reproduce a fine printed pattern as compared with, for example, a means in which the surface of a decorative film is prepared by forming a recess by an embossing roll with protrusions in roll shape. In the decorative film having such fine printed pattern, a problem (i.e., disappearance of decorative pattern) caused by beads falling off due to a solvent is liable to deteriorate the product value, but the decorative film of the present disclosure can reduce or prevent such problem even for such fine printed pattern.

[0076] In some embodiments, the decorative film of the present disclosure described above is disposed on an adherend with an adhesive layer interposed therebetween and provides an article including the decorative film.

[0077] The material of the adherend to which the decorative film can be applied is not particularly limited. Examples of such material include resin materials (e.g., polyolefin resins, polyester resins, (meth)acrylic resins, polycarbonate resins, resins having a urethane bond, and acrylonitrile-butadiene-styrene copolymers), inorganic materials (e.g., glass, ceramic, concrete, gypsum, calcium silicate, natural stone, and asphalt), rubber materials, cloth materials (e.g., woven fabrics, knitted fabrics, and nonwoven fabrics), metals or metalalloy materials (e.g., iron, aluminum, and stainless steel), and woody materials including paper and the like.

[0078] The shape or configuration of the adherend is not particularly limited, and may be, for example, a planar shape (e.g., a film shape or a plate shape), a curved surface shape, an irregular shape, or a three-dimensional shape, and may be a single layer configuration, a laminated configuration, or a composite configuration in which a plurality of members having different shapes or materials are combined.

[0079] The decorative film of the present disclosure can be used in a variety of intended uses. Examples of such intended uses include: signboards (e.g., internally illuminated signboards and externally illuminated signboards); signs (e.g., internally illuminated signs and externally illuminated signs); various interior or exterior articles such as interior or exterior articles for vehicles, such as automobiles, railways, aircrafts, and ships (e.g., roof members, pillar members, door trim members, instrument panel members, front members such as hoods, bumper members, fender members, side sill members, and interior panel members), and interior or exterior articles of buildings (e.g., window glass, doors, sashes, roof members such as tiles, outer wall members, and wall papers); electrical appliances, such as personal computers, smartphones, cellular phones, refrigerators, and air conditioners; stationery; furniture; desks; and various containers such as cans.

[0080] A method of applying the decorative film of the present disclosure to an adherend (a support member) that makes up the article is not particularly limited, and a known method can be appropriately used. Examples of such method can include: pasting by hand, injection molding methods such as an insert injection molding method, an in-molding method, an overmolding method, a two-color injection molding method, a core back injection molding method, and a sandwich injection molding method, a lamination method, and a three-dimensional heat stretch blow molding method (three -dimension overlay method: TOM). The decorative film of the present disclosure can exhibit excellent solvent resistance even when the decorative film in a stretched state is applied to an adherend, and thus can be suitably used as a decorative film for stretching.Examples

[0081] In the examples set forth below, specific embodiments of the present disclosure are illustrated, but the present invention is not limited to these embodiments. All ‘part’ and ‘percent’ are based on mass unless otherwise specified. Numerical values inherently include errors due to measurement principles and measurement devices. Numerical values are subjected to normal rounding processing and indicated in significant figures.

[0082] Table 1 shows various materials used. Note that, the “NV value” set forth in the table means a percentage of the mass of the ink after drying to the mass of the ink before drying.

[0083] Table 1Trade name, modelnumber, or Description Available from abbreviated nameTransparent acrylic beads (RUBCOULEUR (trade Beads: Dainichiseika Color & name) 230(F) Clear) and a transparent binder (vinyl Chemicals Mfg. Co., Ltd. (Chūō- Bead-containing chloride-vinyl acetate copolymer resin: SOLBIN ku, Tokyo, Japan)clear ink Binder: Nissin Chemical (trade name) C), NV value: 62%, bead content: 46mass%, particle diameter from 17pm to 20 pm Industry Co., Ltd. (Echizen-shi,Fukui, Japan)XX-7506Z Transparent biomass acrylic beads, NV value: 100%, Sekisui Kasei Co., Ltd. (Osaka- bead content: 100 mass%, particle diameter: 15 pm shi, Osaka, Japan) RUBCOULEUR Transparent acrylic beads, NV value: 100%, bead Dainichiseika Color & (trade name) content: 100 mass%, particle diameter from 7 pm to Chemicals Mfg. Co., Ltd. (Chuo- (10MD) clear 9 pm ku, Tokyo, Japan)ART PEARL(trade name) Transparent urethane beads, NV value: 100%, bead Negami Chemical Industrial Co., C-400T content: 100 mass%, particle diameter: 15 pm Ltd. (Nomi-shi, Ishikawa, Japan) Viscopearl (trade Transparent cellulose beads, NV value: 100%, beadname) content: 100 mass%, particle diameter from 10 pm Rengo Co., Ltd. (Osaka-shi, REN- 10 to 13 pm Osaka, Japan) RUBCOULEUR Black acrylic beads, NV value: 100%, bead content: Dainichiseika Color & (trade name) 100 mass%, particle diameter from 17 pm to 20 pm Chemicals Mfg. Co., Ltd. (Chuo- (020F) black ku, Tokyo, Japan)Clear ink Transparent binder: SOLBIN (trade name) C, NV Nissin Chemical Co., Ltd.value: 34% (Echizen-shi, Fukui, Japan) Pigment: Birla Carbon U. S. A. Colored binder: pigment (Raven (trade name) 1200) (United States of America) Black ink and SOLBIN (trade name) C, NV value: 40%, Binder: Nissin Chemical pigment content: 18 mass% Industry Co., Ltd. (Echizen-shi,Fukui, Japan)Pigment: Dainichiseika Color & Colored binder: pigment (CHROMOFINE (trade Chemicals Mfg. Co., Ltd. (Chuo- Red ink name) Red 6805) and SOLBIN (trade name) C, NV ku, Tokyo, Japan)Binder: Nissin Chemical value: 40%, pigment content: 18 mass% Industrial Co., Ltd. (Echizen-shi,Fukui, Japan)Pigment: Sun Chemical Colors Colored binder: pigment (Irgazin (trade name) & Effects GmbH (Germany) Yellow ink Yellow LI 030) and SOLBIN (trade name) C, NV Binder: Nissin Chemical value: 40%, pigment content: 18 mass% Industry Co., Ltd. (Echizen-shi,Fukui, Japan)FUJIFILM Wako Pure Chemical MEK Solvent: Methyl ethyl ketone Corporation (Osaka-shi, Osaka,Japan)FUJIFILM Wako Pure Chemical MIBK Solvent: methyl isobutyl ketone Corporation (Osaka-shi, Osaka,Japan)

[0084] Table 2 shows the formulation of the decorative layer forming ink for forming the first decorative layer.

[0085] Table 2Trade name, model Ink numbernumber, or abbreviatedname 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Bead-containing clearink 60.0 34.0 44.0 49.6 37.2 24.8 60.0 4.1 XX-7506Z 29.5RUBCOULEUR (tradename) 29.5(10MD) clearART PEARL (tradename) 29.5C-400TViscopearl (trade name)REN- 10 29.5RUBCOULEUR (tradename) 26.8 5.9 11.8 17.7 29.5 (020F) blackClear ink 26.0 31.0 31.0 31.0 31.0 32.7 7.2 14.4 21.6 36.0 52.5 47.7 Black ink 7.1 5.0 5.0 5.0 5.0 9.1 0.6 0.4 0.3 0.5Red ink 4.0 4.0 1.4 1.0 0.7 2.5 2.3 2.1 Yellow ink 1.2 0.9 0.6 1.0MEK 24.0 24.0 32.6 23.0 23.0 23.0 23.0 20.9 22.8 22.9 22.9 24.0 23.0 30.2 30.8 MIBK 12.0 12.0 16.3 11.5 11.5 11.5 11.5 10.5 11.4 11.4 11.5 12.0 11.5 15.1 15.4 Total 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 Content by percentage(mass%) of beads in ink 71 50 67 70 70 70 70 64 72 72 71 72 71 0 10solid content

[0086] Example 1By using a pilot gravure printing machine, on a transparent polyvinyl chloride resin (PVC) film (a transparent resin layer) having a thickness of 80 micrometers was printed a woodgrain conduit pattern as a first decorative layer with Ink 1 of Table 2. Next, a white PVC film (a colored resin layer) having a thickness of 80 micrometers was thermally laminated on the printed transparent PVC film, and then subjected to embossing through an embossing cylinder, and the printed conduit pattern was embedded in the PVC film. Subsequently, an acrylic adhesive layer having a thickness of 40 microns coated on a release liner was laminated on the white PVC film and a decorative film of Example 1 is produced.

[0087] Examples 2 to 12Decorative films of Examples 2 to 12 were prepared in the same procedure as in Example 1 except that Inks 2 to 12 in Table 2 were respectively used. Here, regarding Example 12, a brown PVC film was used in place of the white PVC film, and a wood grain pattern (second decorative layer) was printed on the surface of this brown PVC film opposite to the surface to which the transparent PVC film was applied.

[0088] Comparative Examples 1 to 3Decorative films of Comparative Examples 1 to 3 were prepared in the same procedure as in Example 1 except that Inks 13 to 15 in Table 2 were respectively used.

[0089] Reference Example 1A decorative film of Reference Example 1 was prepared in the same procedure as in Example 1 except that embossing was not performed.

[0090] Evaluation testEach of the resultant test samples was evaluated according to the test methods set forth below. The results are shown in Table 3.

[0091] Appearance evaluation testThe mattness of the conduit portion (first decorative layer) was visually checked with different viewing angles for the test sample, by utilizing the difference in gloss between the printed wood grain conduit portion and non-printed portion. Note that, in the table, those exhibiting mattness are referred to as “Matte”, and those not exhibiting mattness and exhibiting a gloss comparable to the surface of the PVC film are referred to as “Gloss”.

[0092] Solvent resistance test 1 (no stretching)A test sample was cut out from the produced decorative film and the test sample was attached to an aluminum substrate having a size of 10 cm * 10 cm, and then the surface of the test sample was wiped back and forth 50 times with KimWipes (trade name) impregnated with isopropanol (IPA), and the solvent resistance was evaluated according to the criteria set forth below: A: No change in appearance.B: The printed pattern became slightly faded.C: The printed pattern became faded, and a change in color was observed.D: The printed pattern became remarkably faded.

[0093] Solvent resistance test 2 (with stretching)The solvent resistance was evaluated in the same manner as in the solvent resistance test 1 except that the produced decorative film was stretched by 25% at 70°C and then a test sample was cut out from the film.

[0094] Abrasion testA decorative film was bonded to an aluminum substrate having a size of 10 cm x 10 cm to prepare a test piece. In accordance with JIS K 7204, the test piece was installed in Taber type Abrasion Tester (available from TESTER SANGYO CO. LTD., Iruma-gun, Saitama, Japan), and an abrasion test was performed under the conditions of an abrasive wheel CS-17 and a load of 1000 g. The appearance of the test piece was visually observed every 100 cycles, and the test was carried out until the decorative layer (conduit pattern) disappeared. The values shown in Table 3 are the number of cycles at the timing when the disappearances of the decorative layers were confirmed by visual observation.

[0095] Table 3Table 3Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example Example 9 Example Example 11 Example 12 Comparative Comparative Comparative Reference 8 10 Example 1 Example 2 Example 3 Example 1 Bead material type Acrylic Acrylic Acrylic Acrylic Acrylic Urethane Cellulose Acrylic Acrylic Acrylic Acrylic Acrylic Acrylic - Acrylic Acrylic Average particlediameter of beads 20 20 20 15 7 15 13 20 20 20 20 20 20 - 20 20 (pm)Transparent Transparent TransparentPercentage of Transparent Transparent Transparent Transparent Transparent Transparent Transparent Black beads beads beads Transparent Transparent Transparent 80% 60% 40% Black beadstransparent and beads beads beads beads beads beads beads beads beads 100% - beads beads colored beads 100% 100% 100% 100% 100% 100% 100% 100% Black Black Black 100% 100% 100% beads 20% beads 40% beads 60%Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl Vinyl chloride- chloride- chloride- chloride- chloride- chloride- chloride- chloride- chloride- chloride- chloride- chloride- Binder material chloride- vinyl vinyl vinyl vinyl vinyl vinyl vinyl vinyl vinyl vinyl vinyl chloride- chloride- chloride- vinyl type vinyl acetate vinyl vinyl vinylresin acetate acetate acetate acetate acetate acetate acetate acetate acetate acetate acetate acetate resin resin resin resin resin resin resin resin resin resin resin acetate resin acetate resin acetate resin resin Color of binder Red Red Black Black Black Black Black Black Brown Brown Brown Brown Transparent Red Red Red Brown(with woodColored resin layer White White White White White White White White White White White grain White White White White patternprinting)Embedding byembossing Done Done Done Done Done Done Done Done Done Done Done Done Done Done Done None Bead content infirst decorativelayer 71 50 67 70 70 70 70 64 72 72 71 72 70 0 10 70 (mass%)Appearance Matte Matte Matte Matte Matte Matte Matte Matte Matte Matte Matte Matte Matte Gloss Gloss Matte Solvent resistanceA A A A A A A A A A A A A A A A(withoutstretching)Solvent resistanceA A A A A A A B A B c A D A A B (with stretching)Wear resistance 700 500 900 600 400 600 600 900 900 800 900 700 800 300 400 100

[0096] It is apparent to those skilled in the art that the embodiments and examples set forth above can be modified in various ways without departing from the basic principle of the present invention. It is also apparent to those skilled in the art that various modifications and variations of the present invention can be implemented without departing from the spirit and scope of the present invention.Reference Signs List

[0097] 100 Decorative film101, 201 First decorative layer102 Beads103 Colored binder104, 204 Transparent resin layer105, 205 Second decorative layer106, 206 Colored resin layer107 Adhesive layer108 Release liner210 Embossing roll

Claims

Claims1. A decorative film comprising:a transparent resin layer comprising a first main surface and a second main surface; anda first decorative layer embedded in the first main surface of the transparent resin layer,wherein the first decorative layer comprises beads and a colored binder, and a surface of the first decorative layer is exposed, anda content of the beads is 20 mass% or greater with respect to a total amount of the first decorative layer.

2. The decorative film according to claim 1, wherein the transparent resin layer comprises a polyvinyl chloride resin.The decorative film according to claim 1 or 2, wherein the colored binder comprises a vinyl chloride-vinyl acetate resin.The decorative film according to claim 1 or 2, wherein the beads comprise organic beads.The decorative film according to claim 1 or 2, wherein a content of the beads is 40 mass% or greater with respect to a total amount of the first decorative layer.

6. The decorative film according to claim 1 or 2, wherein the beads comprise at least one selected from the group consisting of transparent beads and colored beads.

7. The decorative film according to claim 1 or 2, wherein when the first decorative layer comprises colored beads in a color different from the colored binder, the first decorative layer comprises transparent beads and the colored beads.

8. The decorative film according to claim 6, wherein a content of the transparent beads is 20 mass% or greater and 100 mass% or less with respect to a total amount of the beads, and a content of the colored beads is 0 mass% or greater and 80 mass% or less with respect to a total amount of the beads.

9. The decorative film according to claim 1 or 2, comprising, under the second main surface of the transparent resin layer, at least one selected from the group consisting of a second decorative layer, a colored resin layer, and an adhesive layer.

10. The decorative film according to claim 1 or 2, comprising, under the second main surface of the transparent resin layer, a second decorative layer, a colored resin layer, and an adhesive layer in sequence, wherein the first decorative layer exhibits a conduit pattern, and the second decorative layer exhibits a wood grain pattern.

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