JPWO2021117372A1 - Decorative sheet, decorative sheet set, recording medium set, manufacturing method of decorative item, and decorative item - Google Patents

Abstract

Provided are a method for manufacturing a decorative item that can produce a highly-designed decorative item, a decorative sheet that can be used for the method for manufacturing a decorative item, a decorative sheet set, and a highly-designed decorative item. The decorative sheet set includes a first decorative sheet provided on the first support and the first support, and having a first image layer on which the first image is formed, a second support, and the first image. A second decorative sheet provided on the support and having a second image layer on which the second image is formed is provided, and the light transmittance of the entire wavelength region of the first decorative sheet is 350 nm or more and 500 nm or less. It is 10% or more, and the light transmittance of the entire wavelength region of the second decorative sheet of 350 nm or more and 500 nm or less is less than 10%.

Description

The present invention relates to a decorative sheet, a decorative sheet set, a recording medium set, a method for manufacturing a decorative item, and a decorative item.

Various recording media used for image formation are known, and for example, recording media used for various image forming methods such as a sublimation transfer method, a melt transfer method, an inkjet printing method, and a toner printing method are known. Has been done. Such a recording medium has an image layer according to an image forming method, and an image is formed on the image layer of the recording medium by forming an image on the image layer by various image forming methods. Can be manufactured.

Attempts have also been made to use a printed matter manufactured using the above-mentioned recording medium as a decorative sheet and to use this decorative sheet for decoration of an article to be decorated. For example, a printed matter produced by forming an image on an image layer is used as a decorative sheet, and a decorative product is manufactured by in-mold molding, insert molding, or the like. Patent Document 1 proposes a decorative sheet in which an image layer is provided on a resin sheet and the image layer is used as an ink-cured image of an inkjet ink composition, and a method for manufacturing a decorative product.

It is required to manufacture new decorative products with high design by using decorative sheets.

Japanese Unexamined Patent Publication No. 2013-43935

The present invention provides a method for manufacturing a decorative item capable of producing a highly designed decorative item, a decorative sheet, a decorative sheet set, a recording medium set, and a highly designed decorative item that can be used for the method for manufacturing the decorative item. That is the issue.

The decorative sheet set of the present invention includes a first decorative sheet, a first decorative sheet provided on the first support and having a first image layer on which a first image is formed, and a second support. And a second decorative sheet provided on the second support and having a second image layer on which the second image is formed, the wavelength of the entire first decorative sheet before the formation of the first image. The light transmittance of the region 350 nm or more and 500 nm or less is 10% or more, and the wavelength region of the entire second decorative sheet before the formation of the second image is 350 nm or more and 500 nm or less.

In the decorative product of the present invention, the first decorative sheet of the decorative sheet set is the first image layer on the first surface of the decorative object having at least a pair of facing first and second surfaces. The second decorative sheet is integrated on the side of the second image layer on the second surface of the object to be decorated.

In the method for manufacturing a decorative product of the present invention, the first decorative sheet of the decorative sheet set is attached to the first surface of a decorative object having at least a pair of facing first and second surfaces. It includes a step of integrating on the image layer side and a step of integrating the second decorative sheet on the second surface of the decorative object on the second image layer side.

The method for producing a decorative product of the present invention is the first surface of a decorative object having at least a pair of facing first and second surfaces, or the first decorative sheet of the decorative sheet set of the present invention. A step of providing a first adhesive layer on the first image layer and integrating the first decorative sheet on the first surface of the decorative object on the first adhesive layer side, and the decorative object. A second adhesive layer is provided on the second surface of the second surface or the second image layer of the second decorative sheet, and the second decorative sheet is adhered to the second surface of the object to be decorated. It includes a step of integrating on the layer side.

The method for producing a decorative product of the present invention includes a step of preparing a first decorative sheet provided on the first support and the first support and having a first image layer on which the first image is formed. A step of preparing a second decorative sheet having a second support and a second image layer provided on the second support and on which a second image is formed, and a pair of facing first surfaces and second surfaces. The step of integrating the first decorative sheet on the first surface of the decorative object having a surface on the first image layer side, and the second addition on the second surface of the decorative object. It includes a step of integrating the decorative sheet on the second image layer side.

The decorative sheet of the present invention is a decorative sheet and a decorative sheet provided on the support and having an image layer on which a first image and a second image are formed, and the first image is the first image. It is an image in which the images combined with the two images are inverted left and right, and the region where the first image is formed and the region where the second image is formed are separated from each other.

The method for manufacturing a decorative product of the present invention is the first surface of a decorative object having at least a pair of facing first and second surfaces and a third surface connecting the first surface and the second surface. In the step of integrating the region where the first image of the decorative sheet is formed on the image layer side, and the first image of the decorative sheet is formed on the third surface of the decorative object. The step of integrating the region between the region and the region where the second image is formed on the image layer side and the second image of the decoration sheet being formed on the second surface of the decoration object. It is provided with a step of integrating the formed regions on the image layer side.

The recording medium set of the present invention includes a first recording medium provided on the first support and the first support and having a first image layer capable of forming an image, a second support, and the second support. A second recording medium provided on the body and having a second image layer capable of forming an image is provided, and the wavelength region of the entire first recording medium is 350 nm or more and 500 nm or less, and the light transmittance is 10% or more. The light transmittance of the entire second recording medium in the wavelength region of 350 nm or more and 500 nm or less is less than 10%.

According to the present invention, it is possible to manufacture a decorative product having a high degree of design.

1a and 1b are schematic cross-sectional views showing an example of a recording medium according to an embodiment of the present invention. 2a and 2b are schematic cross-sectional views showing an example of a recording medium according to the same embodiment. 3a and 3b are schematic cross-sectional views showing an example of a recording medium according to the same embodiment. 4a and 4b are schematic cross-sectional views showing an example of a decorative sheet according to the same embodiment. 5a and 5b are plan views showing an example of a decorative sheet according to the same embodiment. 6a and 6b are schematic cross-sectional views showing an example of a decorative sheet according to the same embodiment. 7a and 7b are schematic cross-sectional views showing an example of a decorative sheet according to the same embodiment. 8a and 8b are schematic cross-sectional views showing an example of a decorative sheet according to the same embodiment. It is a schematic sectional drawing which shows an example of the decorative article which concerns on the said embodiment. 10a is a perspective view of the object to be decorated, and FIGS. 10b and 10c are perspective views showing an example of a method for manufacturing the decorative item. 11a is a perspective view of the decorative item, and FIG. 11b is a plan view of the decorative item. 12a and 12b are plan views showing an example of a decorative sheet. FIG. 13a is a plan view showing an example of a decorative sheet, and FIG. 13b is a perspective view showing an example of a method for manufacturing a decorative product. It is a photograph showing an example of a decorative item.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in order to clarify the explanation, the drawings may schematically represent the width, thickness, shape, etc. of each part as compared with the actual embodiment, but they are merely examples and the interpretation of the present invention. Is not limited to. Further, for convenience of explanation, the terms "upper" and "lower" will be used for explanation, but the vertical direction may be reversed.

<Recording medium>
The recording medium according to the embodiment of the present invention will be described with reference to the drawings. In this embodiment, as shown in FIGS. 1a and 1b, a recording medium 100A and a recording medium 100B are used. The recording medium 100A has a support 1A (first support) and an image layer 10A (first image layer) provided on the support 1A. The recording medium 100B has a support 1B (second support) and an image layer 10B (second image layer) provided on the support 1B.

The recording medium 100A is a transparent recording medium having a light transmittance of 10% or more, preferably 30% or more, more preferably 45% or more in the visible light region of the entire recording medium. Here, the visible light region refers to light having a wavelength region of 350 nm or more and 500 nm or less. Further, the transparency includes not only colorless and transparent but also translucent and colored transparent. On the other hand, the recording medium 100B is a recording medium having a light transmittance of less than 10%, preferably 5% or less in the visible light region of the entire recording medium, and has a matte feeling or concealment.

The light transmittance in the visible light region of the entire recording medium 100A is the light transmittance in the visible light region in the thickness direction of the laminated body of all the constituent members constituting the recording medium 100A, that is, the stacking of the support 1A and the image layer 10A. It means the light transmittance in the visible light region in the thickness direction of the body. The light transmittance in the visible light region of the entire recording medium 100B is the light transmittance in the visible light region in the thickness direction of the laminated body of all the constituent members constituting the recording medium 100B, that is, the stacking of the support 1B and the image layer 10B. It means the light transmittance in the visible light region in the thickness direction of the body.

The light transmittance in the visible light region was measured by a spectrophotometer (UV-3100PC, Shimadzu Corporation) equipped with an integrating sphere accessory device ISR-3100 (Shimadzu Corporation). Specifically, for the light transmittance in the visible light region of the entire recording medium, a recording medium to be measured was installed on the sample luminous flux side of this apparatus, and the light transmittance in the visible light region of 380 nm to 780 nm was measured. It is a thing. For example, when the light transmittance in the visible light region of the entire recording medium is 10% or more, it means that the light transmittance in the visible light region is 10% or more. When measuring the light transmittance, if the support is transferred to the decorative object together with the image layer, nothing is installed on the control light flux side, and if the support is not transferred to the decorative object, it is used as a blank on the control light flux side. A polyethylene terephthalate film having a thickness of 16 μm is placed and the light transmittance of the image layer is measured.

(Image layer)
The recording medium 100A has an image layer 10A provided on the support 1A. There is no limitation on the light transmittance in the visible light region of the image layer 10A itself, and any light transmittance may be used as long as the light transmittance in the visible light region of the entire recording medium 100A can be 10% or more. Therefore, the image layer 10A may be a transparent image layer 10A having a light transmittance of 10% or more in the visible light region (wavelength region 350 nm or more and 500 nm or less) of the entire recording medium 100A. Further, it is more preferable that the image layer 10A has a light transmittance of 10% or more in a wavelength region of 350 nm or more and 750 nm or less of the entire recording medium 100A, and a light transmittance of 350 nm or more and 780 nm or less in the wavelength region of the entire recording medium 100A. It is particularly preferable that the rate can be 10% or more.

The recording medium 100B has an image layer 10B provided on the support 1B. There is no limitation on the light transmittance in the visible light region of the image layer 10B itself, and any light transmittance may be used as long as the light transmittance in the visible light region of the entire recording medium 100B can be less than 10%. Therefore, as the image layer 10B, one having transparency that can make the light transmittance in the visible light region of the entire recording medium 100B less than 10% may be used.

The types of the image layers 10A and 10B and the components contained in the image layers 10A and 10B are not limited in any way, and in other words, the components contained in the image depend on the image formed in the image layer. Or, it may be set appropriately according to the image forming method.

As a typical image forming method performed by using a printer or the like, a sublimation transfer method, a melt transfer method, an inkjet printing method, a toner printing method (laser printing method) and the like can be exemplified.

The sublimation transfer method uses a thermal transfer sheet provided with a color material layer containing a sublimation dye, applies thermal energy according to image information to the thermal transfer sheet, and sublimates the dye contained in the color material layer. Is an image forming method for forming an image by shifting the image to the image layers 10A and 10B.

The melt transfer method uses a thermal transfer sheet provided with a color material layer containing molten ink, applies thermal energy according to image information to the thermal transfer sheet, and melts or softens the color material by applying the thermal energy. This is an image forming method in which layers are transferred to image layers 10A and 10B together with each layer to form an image.

The inkjet printing method is to eject ink for inkjet from a nozzle by a pressure wave generated by piezo drive, or to generate bubbles in the ink in a tube by heating to inject the ink into an image layer. This is an image forming method for forming an image by adhering it to 10A and 10B.

The toner printing method is an image forming method in which toner is fixed (fused) to the image layers 10A and 10B by an electrostatic transfer method by the heat of a laser or the like.

In addition to this, an offset printing method, a gravure printing method, a flexographic printing method, a screen printing method, and the like can be exemplified. Further, other image forming methods may be used.

As the components of the image layers 10A and 10B, components capable of forming an image by the image forming method exemplified above may be appropriately selected and used.

When the image layers 10A and 10B contain a component capable of accepting a sublimation dye, the image layers 10A and 10B are formed with an image using a sublimation transfer method, so that the image layers 10A and 10B have a clear and dense image. A high image can be formed. Therefore, the image layers 10A and 10B in a preferable form contain a component that can accept the sublimation dye.

Examples of the components that can accept the sublimating dye include polyolefins such as polypropylene, polyvinyl chloride, or halogenated resins such as polyvinyl chloride, polyvinyl acetate, vinyl chloride-vinyl acetate copolymer, and ethylene-vinyl acetate copolymer. Alternatively, vinyl resin such as polyacrylic acid ester, polyester such as polyethylene terephthalate or polybutylene terephthalate, copolymer of olefin such as polystyrene, polyamide, ethylene or propylene and other vinyl polymer, ionomer, or cellulose such as cellulose diastase. Examples thereof include resins, polycarbonates, and epoxy resins. Among them, the image layers 10A and 10B containing a vinyl chloride-vinyl acetate copolymer or polyester are preferable in that a high-concentration image can be formed by the image layers 10A and 10B by using a sublimation transfer method, and vinyl chloride-vinyl acetate-vinyl acetate is preferable. Copolymers are particularly preferred.

The thicknesses of the image layers 10A and 10B are not limited and can be appropriately set according to the image forming method and the like. For example, the thickness of the image layers 10A and 10B used in the thermal transfer method is preferably 0.1 μm or more and 10 μm or less. The thickness of the image layers 10A and 10B used in the inkjet printing method is preferably 0.1 μm or more and 50 μm or less, more preferably 1 μm or more and 40 μm or less, and further preferably 3 μm or more and 30 μm or less. The thickness of the image layers 10A and 10B used in the toner printing method is preferably 0.01 μm or more and 5 μm or less, and more preferably 0.05 μm or more and 1 μm or less.

The method for forming the image layers 10A and 10B is also not limited, and when various films and the like are used as the image layers 10A and 10B, these films and the like may be formed by laminating them on the supports 1A and 1B. , The components of the image layers 10A and 10B may be dispersed or dissolved in an appropriate solvent, and a coating liquid may be applied and dried on the supports 1A and 1B to form the image layer 10A and 10B.

(Support)
The supports 1A and 1B include a film base material. Examples of the film substrate include polyesters such as polyethylene terephthalate and polyethylene naphthalate, polyolefins, polyvinyl chloride, polymethacrylate, polypropylene, polycarbonate, cellulose acetate, polyethylene derivatives, polyamides, polymethylpentene and the like. These film substrates may be stretched or unstretched. Further, the supports 1A and 1B may include a plurality of film substrates.

As the support 1A, a support having a light transmittance of 10% or more in the visible light region of the entire recording medium 100A may be used. That is, a material having a light transmittance capable of making the light transmittance in the visible light region of the entire recording medium 100A 10% or more may be used.

As the support 1B, a support having a light transmittance of less than 10% in the visible light region of the entire recording medium 100B may be used. That is, a material having a light transmittance capable of making the light transmittance in the visible light region of the entire recording medium 100B less than 10% may be used.

The thickness of the supports 1A and 1B is not limited, but is preferably 1 μm or more and 300 μm or less. Further, the thicknesses of the recording media 100A and 100B are not limited, and may be appropriately determined in consideration of the image forming method and the like when forming an image on the recording media 100A and 100B. For example, when the image is formed in the printer, the thickness may be set in consideration of the transportability of the printer. As will be described later, the thickness of the recording media 100A and 100B is 100 μm or less in consideration of the appearance of the decorative product manufactured by forming an image on the recording media 100A and 100B and integrating the image with the decoration object 300. Is preferable. If the transfer suitability of the printer is insufficient when the thickness of the recording media 100A and 100B is 100 μm, a recording medium with a separating member is used and the thickness of the separating member is appropriately determined as described later. do it.

As shown in FIGS. 2a and 2b, primer layers 3A and 3B containing an adhesive component may be provided between the supports 1A and 1B and the image layers 10A and 10B. Examples of the adhesive component include polyolefins such as urethane resin and α-olefin-maleic anhydride resin, polyester, acrylic resin, epoxy resin, uria resin, melamine resin, phenol resin, vinyl acetate, and cyanoacrylate. Further, the adhesive component may be cured with a curing agent. Examples of the curing agent include isocyanate compounds, aliphatic amines, cyclic aliphatic amines, aromatic amines, and acid anhydrides.

As the primer layer 3A, a transparent primer layer capable of having a light transmittance of 10% or more in the visible light region of the entire recording medium 100A may be used. As the primer layer 3B, a transparent or opaque primer layer capable of reducing the light transmittance in the visible light region of the entire recording medium 100B to less than 10% may be used.

<Recording medium with separation member>
As shown in FIGS. 3a and 3b, the recording media 100A and 100B are separated into the support 1A and 1B sides, that is, the surfaces of the supports 1A and 1B opposite to the surface on which the image layers 10A and 10B are provided. A recording medium with a separating member provided with the member 60 may be used.

The separation member 60 can be separated from the recording media 100A and 100B (supports 1A and 1B). The term "separable member 60" as used herein from the recording media 100A and 100B also includes a form in which the separation member 60 can be separated by applying thermal energy. That is, the separation member 60 may be capable of being separated from the recording media 100A and 100B by applying thermal energy, or may be separable from the recording media 100A and 100B without applying thermal energy. .. For example, the recording medium with a separation member may be configured as an intermediate transfer medium in which a transfer layer including a receiving layer is provided on a substrate. In this case, the base material portion of the intermediate transfer medium is used as a separation member, and the transfer layer portion of the intermediate transfer medium is a recording medium 100A or 100B in which the supports 1A and 1B are omitted, or the supports 1A and 1B are other than the film base material. Recording media 100A and 100B made of materials may be used. Further, the light transmittance of the entire recording medium 100A corresponding to the transfer layer portion may be 10% or more, and the light transmittance of the entire recording medium 100B corresponding to the transfer layer portion may be less than 10%.

According to the recording medium with a separating member, the apparent thickness of the entire recording media 100A and 100B can be increased by the thickness of the separating member 60. Therefore, when the image is formed on the image layers 10A and 10B in the printer, the thickness of the separating member 60 is appropriately selected, and the thickness of the entire recording medium with the separating member can be made good in the transportability of the printer. By doing so, it is possible to improve the transportability at the time of image formation. As a result, a clear image can be formed on the image layers 10A and 10B. Further, by separating the separating member 60 after forming the image, the thickness of the decorative sheet obtained by forming an image on the image layers 10A and 10B of the recording media 100A and 100B can be reduced. For example, the thickness of the decorative sheet can be 100 μm or less.

The measures that enable the separation of the recording media 100A and 100B from the separation member 60 may be taken on the separation member side or on the support side. Moreover, it may be done on both sides.

For example, the separation member 60 includes a separation portion base material and a separation auxiliary layer, and the separation auxiliary layer is in contact with the supports 1A and 1B of the recording media 100A and 100B.

The base material for the separation portion is not limited, and the film base material exemplified above, the paper base material, and the like can be appropriately selected and used. Paper substrates include high-quality paper, coated paper, resin-coated paper, art paper, cast-coated paper, paperboard, synthetic paper (polyolefin-based, polystyrene-based), synthetic resin or emulsion-impregnated paper, synthetic rubber latex-impregnated paper, synthetic resin. Examples thereof include internal paper, cellulose fiber paper, and the like.

The separation portion base material may have a single-layer structure, or may have a laminated structure in which the above-mentioned film base material, paper base material, or the like is laminated. Further, the separation portion base material may include a primer layer in contact with the separation auxiliary layer. Since the separation member 60 is finally separated from the recording media 100A and 100B, no consideration is required for its light transmittance.

The separation auxiliary layer functions as an adhesive layer. Examples of the component contained in the adhesive layer include acrylic resin, vinyl resin, polyester, urethane resin, polyamide, epoxy resin, rubber resin, ionomer resin, silicone resin and the like. The adhesive layer as the separation auxiliary layer is configured so that the adhesive force with the supports 1A and 1B is lower than the adhesive force with the separation portion base material. For example, this relationship can be realized by applying an adhesive treatment to the portion of the separation portion in contact with the adhesive layer.

The separation member 60 may be separated from the recording media 100A and 100B by replacing the separation member 60 with or by using a layer in contact with the separation member 60 among the layers constituting the supports 1A and 1B as a release layer.

<< Decorative sheet >>
Next, the decorative sheet according to the embodiment of the present invention will be described. As shown in FIGS. 4a and 4b, the decorative sheets 150A and 150B are provided on the supports 1A and 1B and the image layers 10A and 10B on which the images 50A and 50B are formed. Have.

The decorative sheets 150A and 150B are for imparting decorativeness to the object to be decorated. In other words, it is used for manufacturing a decorative product in which the decorative sheets 150A and 150B and the decorative object are integrated.

The decorative sheet 150A (first decorative sheet) uses a recording medium 100A having a light transmittance of 10% or more in the visible light region, and an image 50A is formed on the image layer 10A to provide transparency. It has. In the portion of the decorative sheet 150A where the image 50A is not formed, the light transmittance in the visible light region is 10% or more. The decorative sheet 150B (second decorative sheet) uses a recording medium 100B having a light transmittance of less than 10% in the visible light region, and has an image 50B formed on the image layer 10B. It has a concealing property. In the portion of the decorative sheet 150B where the image 50B is not formed, the light transmittance in the visible light region is less than 10%.

As an example, the image 50A (first image) formed on the image layer 10A of the decorative sheet 150A and the image 50B (second image) formed on the image layer 10B of the decorative sheet 150B are overlapped with each other. By combining them, one that constitutes a new image can be mentioned. Specifically, the images 50A are superimposed so that the image 50A is on the upper side and the image 50B is on the lower side. Therefore, the image 50A can be referred to as a foreground image, and the image 50B can be referred to as a background image.

5a and 5b show examples of images 50A and 50B formed on the image layers 10A and 10B. The image 50A formed on the image layer 10A is a (left-right) inverted version of the foreground image. This is because, as will be described later, the decorative sheet 150A is integrated with the decorative object 300 on the image layer 10A side to manufacture a decorative product such that the image 50A is viewed from the support 1A side. When the image 50A is viewed from the support 1A side, the foreground image is in a normal state without being inverted.

The decorative sheets 150A and 150B in a preferred form are thermal transfer images in which the images 50A and 50B formed on the image layers 10A and 10B are formed by a sublimation transfer recording method or a melt transfer recording method. It is more preferable that the image 50A is a thermal transfer image formed by a sublimation transfer recording method. By using the images 50A and 50B formed on the image layers 10A and 10B as thermal transfer images, the decorative sheets 150A and 150B capable of producing decorative products with higher design can be obtained.

The decorative product manufactured by using the decorative sheet set including the decorative sheets 150A and 150B is a combination of the decorative sheets 150A and 150B and the decorative object 300 (see FIG. 9). In other words, the decorative sheets 150A and 150B and the decorative object 300 are bonded together. Therefore, one of the surfaces to which the decorative sheet 150A and the decorative sheet 150A of the decorative object 300 are bonded is adhered so that the decorative sheet 150A and the decorative object 300 can be bonded to each other. It has been layered or bonded. Similarly, one of the surfaces to which the decorative sheet 150B and the decorative object 300 are bonded is bonded so that the decorative sheet 150B and the decorative object 300 can be bonded to each other. An adhesive layer or an adhesive treatment is applied. The decorative sheet set may include a sticker (double-sided adhesive sheet or the like) for bonding the decorative sheets 150A and 150B and the decorative object 300.

(Adhesive layer)
As an example, in the decorative sheets 150A and 150B, as shown in FIGS. 6a and 6b, the adhesive layers 200A and 200B are provided on the image layers 10A and 10B on which the images 50A and 50B are formed. As the adhesive layer 200A (first adhesive layer), one having transparency capable of making the light transmittance in the visible light region of the entire decorative sheet 150A 10% or more may be used. As the adhesive layer 200B (second adhesive layer), one having transparency capable of reducing the light transmittance in the visible light region of the entire decorative sheet 150B to less than 10% may be used.

When the decorative sheets 150A and 150B provided with the adhesive layers 200A and 200B are used, the adhesive layers of the decorative sheets 150A and 150B are used even when the decorative object 300 itself does not have adhesiveness. By simply stacking the 200A and 200B sides with the decoration object 300, it is possible to manufacture a decoration product in which the decoration sheets 150A and 150B and the decoration object 300 are integrated.

Further, when the adhesive layers 200A and 200B are provided on the image layers 10A and 10B, the decorative sheets 150A and 150B and the decorative object 300 can be integrated on the image layers 10A and 10B. .. According to this form, the structure of the decorative product obtained by integrating is provided in this order from the side of the decorative object 300, with the adhesive layer 200A (200B), the image layer 10A (10B), and the support 1A (1B). The image formed on the image layer 10A (10B) can be protected by the support 1A (1B).

The adhesive layers 200A and 200B contain an adhesive component. Examples of the adhesive component include acrylic resin, vinyl chloride-vinyl acetate copolymer, vinyl acetate resin, polyester, epoxy resin, polyimide, synthetic rubber and the like. Further, the adhesive layers 200A and 200B may contain a plurality of components as components having adhesiveness. Further, the adhesive layers 200A and 200B may be an adhesive film or an adhesive sheet (double-sided adhesive sheet). The thickness of the adhesive layers 200A and 200B is preferably 1 μm or more and 1000 μm or less.

The content of the adhesive component in the adhesive layers 200A and 200B is preferably 50% by mass or more. The glass transition temperature (Tg) of this adhesive component is preferably less than 35 ° C, more preferably less than 0 ° C. This makes it possible to improve the adhesiveness. In the present disclosure, Tg is a value obtained by differential scanning calorimetry (DSC) in accordance with JIS-K-7121.

The adhesive layers 200A and 200B mean that the decorative sheets 150A and 150B and the decorative object 300 can be adhered and integrated. The adhesive layers 200A and 200B may exhibit a single-layer structure composed of only an adhesive layer, or may exhibit a laminated structure in which adhesive layers are laminated. Further, it may have a laminated structure in which layers having adhesiveness are provided on both sides of a film or the like.

To form the adhesive layers 200A and 200B, a film or a sheet forming the adhesive layers 200A and 200B is attached to the image layers 10A and 10B of the recording media 100A and 100B on which the images are formed on the image layers 10A and 10B. Can be formed. Further, even if the adhesive layers 200A and 200B are provided on the substrate of the transfer sheet so as to be peelable from the substrate and the transfer sheet is used, the adhesive layers 200A and 200B are formed on the image layers 10A and 10B by transfer. good.

The adhesive layers 200A and 200B may be heat seal layers provided on the image layers 10A and 10B. The heat seal layer may be formed by transferring from a transfer sheet onto the image layers 10A and 10B. When the heat seal layer is used, the decorative sheets 150A and 150B can be integrated with the decorative object 300 by heat pressing (heating and pressurizing).

(Masking member)
The decorative sheets 150A and 150b shown in FIGS. 7a and 7b have a configuration in which the masking member 210 is provided on the adhesive layers 200A and 200B of the decorative sheets 150A and 150B shown in FIGS. 6a and 6b. .. In other words, the image layers 10A and 10B of the decorative sheets 150A and 150B are provided with an adhesive layer with a masking member.

According to the decorative sheets 150A and 150B in the form shown in FIGS. 7a and 7b, when the decorative sheets 150A and 150B are wound and stored, the adhesive layers 200A and 200B are separated from the supports 1A and 1B. It is possible to prevent the member 60 from sticking to the member 60. Further, by simply stacking the decorative sheets 150A and 150B after peeling off the masking member 210 with the decorative object 300, it is possible to manufacture a decorative product in which the decorative sheets 150A and 150B and the decorative object 300 are integrated. .. The light transmittance in the visible light region defined by the decorative sheets 150A and 150B is a value measured after the masking member and the separating member are peeled off.

As the masking member 210, conventionally known ones in the fields of a release film, a separate paper, a separate film, a release film, a release paper and the like can be appropriately selected and used. Further, it may be a resin layer. The masking member 210 is composed of a releasable component, and examples of the releasable component include silicone resin, fluororesin, aminoalkyd resin, melamine resin, acrylic resin, polyester, and wax.

By adhering an adhesive layer with a masking member in which the masking member 210 and the adhesive layers 200A and 200B are integrated, the masking member 210 and the adhesive layer 200A and 200B are bonded to the image layers 10A and 10B of the recording media 100A and 100B on which the images are formed on the image layers 10A and 10B. The masking member 210 and the adhesive layers 200A and 200B can be formed.

The transfer sheet may be provided with one or more color material layers in sequence with the adhesive layer with a masking member. According to such a transfer sheet, the image can be formed on the image layers 10A and 10B of the recording media 100A and 100B, and the adhesive layer with the masking member can be transferred onto the image layers 10A and 10B with one transfer sheet. ..

The color material layer may be appropriately determined according to the image forming method when the images 50A and 50B are formed on the image layers 10A and 10B. For example, when the image formation is performed by the sublimation transfer method, a dye layer containing a dye such as a yellow dye, a magenta dye, a cyan dye, or a fluorescent dye may be used, and when the image formation is performed by the melt transfer method, a black pigment or the like may be used. , A molten ink layer containing a colorant such as a metallic pigment, a pearl pigment, or a fluorescent pigment may be used. Further, a transfer sheet in which a dye layer and a molten ink layer are sequentially provided may be used.

(Durable layer)
As shown in FIGS. 8a and 8b, durable layers 230A and 230B may be provided between the image layers 10A and 10B on which the images 50A and 50B are formed and the adhesive layers 200A and 200B. According to the decorative sheets 150A and 150B of this form, the components of the images 50A and 50B formed on the image layers 10A and 10B are transferred to the adhesive layers 200A and 200B, and the images 50A and 50B are blurred. Can be suppressed.

Further, the durable layers 230A and 230B may be provided on the image layers 10A and 10B, and the durable layers 230A and 230B may be located on the surface (not shown). According to the decorative sheets 150A and 150B having this configuration, the decorative object 300 provided with the adhesive layers 200A and 200B is used, and the decorative object is on the image layers 10A and 10B of the decorative sheets 150A and 150B. When integrated with the 300, it is possible to prevent the components of the images 50A and 50B formed on the image layers 10A and 10B from migrating to the adhesive layers 200A and 200B side of the decorative object 300.

As the durable layer 230A, one having transparency capable of making the light transmittance in the visible light region of the entire decorative sheet 150A 10% or more may be used. As the durable layer 230B, one having transparency capable of reducing the light transmittance in the visible light region of the entire decorative sheet 150B to less than 10% may be used.

The components of the durable layers 230A and 230B include acrylic resin, polyester, polyurethane, vinyl chloride-vinyl acetate copolymer, cellulose resin, polyvinylpyrrolidone, polyvinyl alcohol and the like. The durable layers 230A and 230B may contain one kind of component or may contain two or more kinds of components.

The durable layers 230A and 230B having a preferred form have a single-layer structure or a laminated structure, and include a layer X satisfying the following relational expression (1). The durable layers 230A and 230B in this form can suppress the bleeding of the images 50A and 50B, and can increase the thermal durability of the durable layers 230A and 230B. The durable layers 230A and 230B having high thermal durability can suppress unintentional melting of the durable layers 230A and 230B and unintentional softening of the durable layers 230A and 230B at the stage of manufacturing the decorative item 400. The durable layers 230A and 230B in this form can reduce the damage to the images 50A and 50B formed on the image layers 10A and 10B at the stage of manufacturing the decorative item 400. The durable layers 230A and 230B of this form are unintentionally separated between the image layers 10A and 10B and the durable layers 230A and 230B at the stage of manufacturing the decorative item 400, and the adhesive layers 200A and 200B and the durable layer 230A are used. , Unintentional separation from 230B can be suppressed.

As an example, the durable layers 230A and 230B have a laminated structure, and at least one layer is a layer X satisfying the following relational expression (1). When the durable layers 230A and 230B have a laminated structure, it is preferable that the layer located closest to the adhesive layers 200A and 200B is the layer X. As an example, the durable layers 230A and 230B have a laminated structure, and all the layers constituting the durable layers 230A and 230B are layers X. As an example, the durable layers 230A and 230B are in contact with the adhesive layers 200A and 200B. As an example, in the durable layers 230A and 230B, the layer X is in contact with the adhesive layers 200A and 200B.

Glass transition temperature (Tg) of the main component of the adhesive layers 200A and 200B <Glass transition temperature (Tg) of the main component of the layer X ... (Relational formula (1))

The main component referred to here means the component having the highest content among the components contained in the adhesive layers 200A and 200B. The same applies to the main components of the durable layers 230A and 230B. As an example, the layer X contains a component having a glass transition temperature (Tg) of 50 ° C. or higher, preferably 60 ° C. or higher as a main component.

The durable layers 230A and 230B in a preferred form include a layer containing an ultraviolet absorber. The durable layers 230A and 230B of this form have good light resistance of the images 50A and 50B of the manufactured decorative product 400. The durable layers 230A and 230B in this form are suitable when the images 50A and 50B formed on the image layers 10A and 10B are images formed by a sublimation transfer method. The durable layers 230A and 230B in a more preferable form have a laminated structure including a layer containing an ultraviolet absorber and a layer X. The durable layers 230A and 230B in a more preferable form have a single-layer structure or a laminated structure including a layer X containing an ultraviolet absorber.

Examples of the ultraviolet absorber include benzophenone type, benzotriazole type, benzoate type, triazine type, salicylate type and the like.

The thickness of the durable layers 230A and 230B is preferably 0.01 μm or more and 5 μm or less.

The durable layers 230A and 230B are formed by bonding the image layers 10A and 10B and the durable layers 230A and 230B using an adhesive layer or the like, and forming the durable layers 230A and 230B on the image layers 10A and 10B by transfer. Examples thereof include a method of applying and drying a coating liquid containing the above components on the image layers 10A and 10B.

<Decoration>
Next, the decorative article according to the embodiment of the present invention will be described. As shown in FIG. 9, the decorative item 400 has a configuration in which the decorative sheets 150A and 150B and the decorative object 300 are integrated.

In the decorative article 400 having the form shown in FIG. 9, the decorative sheets 150A and 150B include the adhesive layers 200A and 200B, and are integrated with the decorative object 300 on the image layers 10A and 10B of the decorative sheets 150A and 150B. Take the configuration.

(Items to be decorated)
The decoration object 300 has at least a pair of opposite parallel surfaces, the decoration sheet 150A is integrated on one surface (first surface), and the decoration sheet 150B is integrated on the other surface (second surface). Is integrated. The decoration object 300 has transparency so that when the decoration product 400 is viewed from the decoration sheet 150A side, the image 50B formed on the image layer 10B of the decoration sheet 150B can be visually recognized. The transparency referred to here includes not only colorless and transparent but also translucent and colored transparent. For example, the decorative object 300 is a transparent body having a light transmittance of 10% or more in the visible light region (wavelength region 350 nm or more and 500 nm or less). Further, it is more preferable that the decorative object 300 has a light transmittance of 10% or more in a wavelength region of 350 nm or more and 750 nm or less, and particularly preferably a light transmittance of 10% or more in a wavelength region of 350 nm or more and 780 nm or less. ..

Examples of the material of the object to be decorated 300 include an acrylic resin, a polycarbonate, an acrylonitrile-butadiene-styrene (ABS) resin, a resin plate such as polyvinyl chloride, and a glass plate. Examples of the shape of the decorative object 300 having at least a pair of parallel surfaces include a rectangular parallelepiped, a cube, and a cylinder. The thickness of the object to be decorated 300 (distance between a pair of parallel surfaces) is preferably 1 mm or more, more preferably 1 cm or more.

For example, the decorative sheets 150A and 150B are integrated with a pair of parallel surfaces 301 and 302 of a rectangular parallelepiped shaped object 300 as shown in FIG. 10a. FIG. 10b shows a state in which the decorative sheet 150A is integrated with the surface 301 of the decorative object 300. FIG. 10c shows a state in which the decorative sheet 150B is integrated with the surface 302 of the decorative object 300.

By integrating the decorative sheet 150A with the surface 301 of the decorative object 300 and integrating the decorative sheet 150B with the surface 302, the decorative product 400 as shown in FIG. 11a is manufactured.

FIG. 11b shows a state in which the decorative item 400 is viewed from the decorative sheet 150A (support 1A) side. The image 50A formed on the image layer 10A is an inverted image, but it is inverted by integrating the decorative sheet 150A with the decorative object 300 on the image layer 10A side and viewing the decorative item 400 from the support 1A side. You can see the image in the unfinished state.

As described above, the decorative sheet 150A has a light transmittance of 10% or more in the visible light region, and the image 50B of the decorative sheet 150B can be visually recognized via the decorative sheet 150A and the decorative object 300. As shown in FIG. 11b, the image 50A and the image 50B overlap each other, and the image 50B can be seen in the back of the image 50A, resulting in a decorative item 400 having a three-dimensional effect and a novel design.

Since the decorative sheet 150B has a light transmittance of less than 10% in the visible light region, when the decorative item 400 is viewed from the decorative sheet 150A side, the back (back) side of the decorative sheet 150B becomes difficult to see. There is. Therefore, the image 50A and the image 50B can be made to stand out.

FIG. 14 is a photograph showing an example of a decorative item. In this example, the sun in the upper left, the trunk of the tree in the lower center is behind the object to be decorated, the bird in the upper right, the leaf part of the tree in the center is in front of the object to be decorated, and the trunk of the tree has leaves. It will be a decorative item with overlapping parts and a three-dimensional design.

In a printer that prints images 50A and 50B on recording media 100A and 100B, the recording media 100A and 100B may be housed in the printer in a rolled state. When the printer prints the images 50A and 50B on the recording media 100A and 100B, the printer cuts the recording media 100A and 100B to a predetermined size and ejects the decorative sheets 150A and 150B.

In this case, as shown in FIGS. 12a and 12b, the image forming area on which the images 50A and 50B are printed is made smaller than the cutting size of the recording media 100A and 100B, that is, the size of the decorative sheets 150A and 150B. The margin S may be set around the image forming region. Information such as the orientation of the image and whether this image is a foreground image or a background image may be printed in the margin S. By providing the margin S, it is possible to prevent fingerprints and stains from being attached by touching the image portion by hand, and the handleability is improved.

In the above embodiment, the image 50A in which the foreground image is inverted is printed on the recording medium 100A having a high light transmittance in the visible light region, and the image 50B as a background image is printed on the recording medium 100B having a low light transmittance in the visible light region. As shown in FIG. 13a, the decorative sheet 150C in which the image 50A and the image 50B are printed on the recording medium 100A may be used. The region where the image 50A is formed and the region where the image 50B is formed are separated from each other in the decorative sheet 150C, and the region S1 between them may be a margin on which no image is printed, or an arbitrary image. May be printed.

In another embodiment, as shown in FIG. 13b, the decorative sheet 150C is wound around the decorative object 300 and integrated with the decorative object 300 on the image layer side to manufacture the decorative product. In this example, images 50A and 50B are provided on a pair of parallel surfaces (planes 301 and 302 shown in FIG. 10a) of the object to be decorated 300, and another surface (third surface, which connects the pair of parallel surfaces) is provided. The decorative sheet 150C is also integrated with the surface 303) shown in FIG. 10a.

The decorative sheet set according to the present embodiment includes a first decorative sheet, a first decorative sheet provided on the first support and having a first image layer on which the first image is formed, and a second support. A body and a second decorative sheet provided on the second support and having a second image layer on which a second image is formed are provided, and the entire first decorative sheet before the formation of the first image is provided. The light transmittance of the wavelength region of 350 nm or more and 500 nm or less is 10% or more, and the light transmittance of the entire wavelength region of the second decorative sheet before the formation of the second image of 350 nm or more and 500 nm or less is less than 10%. In this decorative sheet set, the first image is preferably a left-right inverted image to be combined with the second image.

Further, it is preferable that the first image and the second image are thermal transfer images.

Further, it is preferable that the first image is an image formed by a sublimation transfer recording method and the second image is an image formed by a melt transfer recording method.

Further, it is preferable that the first adhesive layer is provided on the first image layer and the second adhesive layer is provided on the second image layer.

In the decorative product according to the present embodiment, the first decorative sheet of the decorative sheet set is on the first surface of the decorative object having at least a pair of facing first and second surfaces. It is integrated on the image layer side, and the second decoration sheet is integrated on the second surface of the decoration object on the second image layer side. In this decorative product, it is preferable that the decorative object has a light transmittance of 10% or more in a wavelength region of 350 nm or more and 500 nm or less.

In the method for manufacturing a decorative product according to the present embodiment, the first decorative sheet of the decorative sheet set is attached to the first surface of a decorative object having at least a pair of facing first and second surfaces. A step of integrating the second decorative sheet on the first image layer side and a step of integrating the second decorative sheet on the second surface of the decorative object are provided on the second image layer side. In this method for manufacturing a decorative item, a hot press is used in a step of integrating the decorative object and the first decorative sheet, or a step of integrating the decorative object and the second decorative sheet. It is preferable to do it.

The method for manufacturing a decorative product according to the present embodiment is a step of preparing a first decorative sheet and a first decorative sheet provided on the first support and having a first image layer on which a first image is formed. And a step of preparing a second decorative sheet provided on the second support and a second image layer on which the second image is formed, and a pair of facing first surfaces and The step of integrating the first decorative sheet on the first surface of the decorative object having the second surface on the first image layer side, and the second surface of the decorative object. 2. The step of integrating the decorative sheet on the second image layer side is provided. In the method for manufacturing the decorative product, the light transmittance of the entire wavelength region of the first decorative sheet before the first image formation is 350 nm or more and 500 nm or less is 10% or more, and the second image before the second image formation is formed. It is preferable that the light transmittance in the wavelength region of 350 nm or more and 500 nm or less of the entire decorative sheet is less than 10%.

Further, the first image is preferably a left-right inverted image to be combined with the second image.

Further, the first decorative sheet and the decorative object are integrated by using the first adhesive layer, and the second decorative sheet and the decorative object are integrated by using the second adhesive layer. It is preferable to let it.

Further, it is preferable that the decorative object has a light transmittance of 10% or more in a wavelength region of 350 nm or more and 500 nm or less.

Although the present invention has been described in detail using specific embodiments, it will be apparent to those skilled in the art that various modifications can be made without departing from the intent and scope of the invention.
This application is based on Japanese Patent Application No. 2019-223790 filed on December 11, 2019, which is incorporated by reference in its entirety.

1A support (first support)
1B support (second support)
3A, 3B Primer layer 10A Image layer (first image layer)
10B image layer (second image layer)
50A image (first image)
50B image (second image)
60 Separation member 100A, 100B Recording medium 150A Decorative sheet (first decorative sheet)
150B decorative sheet (second decorative sheet)
150C Decorative Sheet 200A Adhesive Layer (First Adhesive Layer)
200B adhesive layer (second adhesive layer)
210 Masking member 230A, 230B Durable layer 300 Decorative object 400 Decorative item

Claims (18)

A first decorative sheet and a first decorative sheet provided on the first support and having a first image layer on which the first image is formed.
A second support, a second decorative sheet provided on the second support and having a second image layer on which the second image is formed, and a second decorative sheet.
Equipped with
The light transmittance of the entire wavelength region of the first decorative sheet before forming the first image of 350 nm or more and 500 nm or less is 10% or more.
A decorative sheet set having a light transmittance of less than 10% in a wavelength region of 350 nm or more and 500 nm or less of the entire second decorative sheet before forming the second image. The decorative sheet set according to claim 1, wherein the first image is a left-right inverted image of an image combined with the second image. The decorative sheet set according to claim 1 or 2, wherein the first image and the second image are thermal transfer images. The decorative sheet set according to claim 3, wherein the first image is an image formed by a sublimation transfer recording method, and the second image is an image formed by a melt transfer recording method. The decorative sheet according to any one of claims 1 to 4, wherein a first adhesive layer is provided on the first image layer, and a second adhesive layer is provided on the second image layer. set. The first decorative sheet of the decorative sheet set according to any one of claims 1 to 5 is the first decorative sheet of the decorative object having at least a pair of facing first and second surfaces. A decorative product integrated on the image layer side and having the second decorative sheet integrated on the second surface of the decorative object on the second image layer side. The decorative product according to claim 6, wherein the decorative object has a light transmittance of 10% or more in a wavelength region of 350 nm or more and 500 nm or less. The first decorative sheet of the decorative sheet set according to any one of claims 1 to 5 is attached to the first surface of a decorative object having at least a pair of facing first and second surfaces. The process of integrating on the image layer side and
A step of integrating the second decorative sheet on the second surface of the decorative object on the second image layer side.
A method of manufacturing a decorative item. A claim characterized in that a hot press is performed in a step of integrating the decoration object and the first decoration sheet, or a step of integrating the decoration object and the second decoration sheet. 8. The method for manufacturing a decorative item according to 8. The first decorative sheet of the decorative sheet set according to any one of claims 1 to 4, or the first surface of the decorative object having at least a pair of facing first and second surfaces. A step of providing a first adhesive layer on one image layer and integrating the first decorative sheet on the first surface of the decorative object on the first adhesive layer side.
A second adhesive layer is provided on the second surface of the decoration object or the second image layer of the second decoration sheet, and the second decoration sheet is on the second surface of the decoration object. And the step of integrating on the second adhesive layer side,
A method of manufacturing a decorative item. A step of preparing a first decorative sheet provided on the first support and the first image layer on which the first image is formed, and a step of preparing a first decorative sheet.
A step of preparing a second decorative sheet provided on the second support and the second support and having a second image layer on which the second image is formed.
A step of integrating the first decoration sheet on the first image layer side of the first surface of a decoration object having a pair of facing first and second surfaces.
A step of integrating the second decorative sheet on the second surface of the decorative object on the second image layer side.
A method of manufacturing a decorative item. The light transmittance of the entire wavelength region of the first decorative sheet before forming the first image of 350 nm or more and 500 nm or less is 10% or more.
The method for manufacturing a decorative item according to claim 11, wherein the light transmittance of the entire wavelength region of the second decorative sheet before forming the second image is 350 nm or more and 500 nm or less is less than 10%. The method for manufacturing a decorative item according to claim 11, wherein the first image is a left-right inverted image of an image combined with the second image. The first decorative sheet and the decorative object are integrated by using the first adhesive layer.
The method for manufacturing a decorative product according to any one of claims 11 to 13, wherein the second decorative sheet and the decorative object are integrated by using a second adhesive layer. The method for manufacturing a decorative product according to any one of claims 8 to 14, wherein the decorative object has a light transmittance of 10% or more in a wavelength region of 350 nm or more and 500 nm or less. A decorative sheet having a support and an image layer provided on the support and on which a first image and a second image are formed.
The first image is a left-right inverted image of an image combined with the second image.
A decorative sheet characterized in that the region where the first image is formed and the region where the second image is formed are separated. The decorative sheet according to claim 16, wherein the first surface of the decoration object having at least a pair of facing first and second surfaces and a third surface connecting the first surface and the second surface. In the step of integrating the region where the first image is formed on the image layer side,
A step of integrating a region between a region where the first image of the decoration sheet is formed and a region where the second image is formed on the third surface of the decoration object on the image layer side. And the step of integrating the region where the second image of the decoration sheet is formed on the second surface of the decoration object on the image layer side.
A method of manufacturing a decorative item. A first recording medium provided on the first support and having a first image layer capable of forming an image on the first support, and a first recording medium.
A second support, a second recording medium provided on the second support and having a second image layer capable of forming an image, and a second recording medium.
Equipped with
The light transmittance in the wavelength region of the entire first recording medium of 350 nm or more and 500 nm or less is 10% or more.
A recording medium set having a light transmittance of less than 10% in a wavelength region of 350 nm or more and 500 nm or less of the entire second recording medium.

Images