JP2020076827A - Decorative article and decorative sheet - Google Patents

Abstract

To provide a decorative article which has various designs and can display a clear image without being affected by the designs, and a decorative sheet with which such decorative article can be manufactured.SOLUTION: A decorative article includes at least a base material, a pattern layer laminated on the base material and a transparent screen layer laminated on the pattern layer. The transparent screen layer includes transparent resin and minute fillers distributed uniformly in the transparent resin, and the refractive index of the minute filler is larger than the refractive index of the transparent resin. The decorative sheet includes at least: a base body sheet having the releasability; a transparent screen layer which is laminated on the base body sheet, and has transparent resin and minute fillers distributed uniformly in the transparent resin, and in which the refractive index of the minute filler is larger than the refractive index of the transparent resin; and a pattern layer laminated on the transparent screen layer.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a decorative product and a decorative sheet.

  A technique for projecting an image in a vehicle cabin has been developed. For example, there is a device that projects an image on an interior component such as a console box or an instrument panel (see, for example, Patent Document 1). By using such a device, a desired image can be projected anywhere on the interior part.

JP, 2004-117494, A

  However, the interior parts on which an image is projected by using a conventional device have a simple design based on white, which has the best visibility, because the visibility of the image differs depending on the color and the pattern. There was a problem.

  The present invention has been made to solve the above problems, and an object thereof is to provide a decorative article having various designs and capable of displaying a clear image without being affected by the designs. .. Moreover, it aims at providing the decorative sheet which can manufacture such a decorative article.

  Hereinafter, a plurality of modes will be described as means for solving the problems. These aspects can be arbitrarily combined as needed.

The decorative article of the present invention is
Base material,
A pattern layer laminated on the base material,
At least a transparent screen layer laminated on the pattern layer,
The transparent screen layer contains a transparent resin and a fine filler uniformly dispersed in the transparent resin, and the refractive index of the fine filler is larger than that of the transparent resin.

  The decorative article may have a transparent reflective layer laminated between the pattern layer and the transparent screen layer.

The decorative sheet of the present invention,
A base sheet having releasability,
A transparent screen layer laminated on the base sheet, containing a transparent resin and a fine filler uniformly dispersed in the transparent resin, wherein the refractive index of the fine filler is larger than that of the transparent resin.
At least a pattern layer laminated on the transparent screen layer.

Further, the decorative sheet of the present invention,
A support sheet,
A pattern layer laminated on the support sheet,
It is laminated on the pattern layer, contains a transparent resin and a fine filler uniformly dispersed in the transparent resin, and is provided with at least a transparent screen layer in which the refractive index of the fine filler is larger than that of the transparent resin. is there.

Further, the decorative sheet of the present invention,
A support sheet,
A pattern layer laminated on one surface of the support sheet,
At least a transparent screen layer laminated on the other surface of the support sheet, containing a transparent resin and a fine filler uniformly dispersed in the transparent resin, wherein the refractive index of the fine filler is larger than that of the transparent resin. Be prepared.

  The decorative sheet may have a transparent reflective layer laminated between the pattern layer and the transparent screen layer.

  The decorative product of the present invention includes at least a base material, a design layer laminated on the base material, and a transparent screen layer laminated on the design layer, and the transparent screen layer is uniformly dispersed in the transparent resin and the transparent resin. And the refractive index of the fine filler is larger than that of the transparent resin.

  Therefore, the decorative article of the present invention has various designs and can display a clear image without being influenced by the designs.

  The decorative sheet of the present invention includes a base sheet having releasability, a transparent resin, and a fine filler uniformly dispersed in the transparent resin, which is laminated on the base sheet, and has a finer filler than the refractive index of the transparent resin. The transparent screen layer having a higher refractive index and the pattern layer laminated on the transparent screen layer were provided at least.

  The decorative sheet of the present invention includes a support sheet, a pattern layer laminated on the support sheet, a transparent resin and a fine filler uniformly dispersed in the transparent resin, which is laminated on the pattern layer. And a transparent screen layer in which the refractive index of the fine filler is larger than the refractive index of the above.

  Further, the decorative sheet of the present invention is a support sheet, a pattern layer laminated on one surface of the support sheet, and a laminate on the other surface of the support sheet, and is uniformly dispersed in the transparent resin and the transparent resin. At least a transparent screen layer containing a fine filler and having a refractive index of the fine filler larger than that of the transparent resin was provided.

  Therefore, the decorative sheet of the present invention has various designs, and can produce a decorative product that can display a clear image without being affected by the design.

The typical sectional view showing one embodiment of the decoration of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another embodiment of the decorative article of the present invention. The typical sectional view showing one embodiment of the decoration sheet of the present invention. The typical sectional view showing one embodiment of the decoration sheet of the present invention. The typical sectional view showing an example of the manufacturing method of the decoration of the present invention. The typical sectional view showing one embodiment of the decoration sheet of the present invention. The typical sectional view showing an example of the manufacturing method of the decoration sheet of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing an example of a transparent screen layer. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing an example of a transparent screen layer. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another example of the decoration of the present invention. The typical sectional view showing another embodiment of the decorative sheet of the present invention. The typical sectional view showing another embodiment of the decorative sheet of the present invention. The typical sectional view showing another embodiment of the decorative sheet of the present invention.

  Hereinafter, an example of an embodiment is explained about a decoration article and a decoration sheet of the present invention, referring to drawings.

  The decorative article 1 of the present invention includes at least a base material 2, a pattern layer 3 laminated on the base material 2, and a transparent screen layer 4 laminated on the pattern layer 3, and the transparent screen layer 4 is made of a transparent resin 41. And the fine filler 42 uniformly dispersed in the transparent resin, and the refractive index of the fine filler 42 is larger than that of the transparent resin 41 (see FIG. 1).

  The base material 2 serves as a base of the decorative product 1 and is a resin molded product in the present embodiment. Fiber-reinforced resin molded products and foam molded products can also be used.

  The material of the pattern layer 3 includes, for example, a resin such as an acrylic resin, a vinyl chloride vinyl acetate copolymer resin, a thermoplastic or thermosetting urethane resin, a polyester resin, and a pigment or a dye added to the resin. .. The pattern layer 3 may be formed on the entire surface or may be formed in an arbitrary pattern (see FIG. 3). It may be a pattern that gives the decorative article 1 a glossy texture or a pattern that gives a matte texture. It is also possible to have a design such as wood grain, leather tone or metal tone. The pattern layer 3 can be formed with a thickness of several hundred nm to several tens of μm.

  The transparent screen layer 4 is a layer on which the image projected on the decorative article 1 is displayed. The transparent screen layer 4 includes a transparent resin 41 and a minute filler 42 (see FIG. 1). The transparent resin 41 has excellent transparency to visible light, and includes, for example, polyvinyl butyral resin, polyester resin, acrylic resin, acrylic urethane resin, polyester acrylate resin, polyurethane acrylate resin, epoxy acrylate resin, Urethane resin, epoxy resin, polycarbonate resin, cellulose resin, acetal resin, vinyl resin, polyethylene resin, polystyrene resin, polypropylene resin, polyamide resin, polyimide resin, melamine resin, phenol resin A resin, a silicone resin, a thermoplastic resin such as a fluorine resin, a thermosetting resin, an ionizing radiation curable resin, or the like can be used.

  The fine filler 42 is uniformly dispersed in the transparent resin 41. From the viewpoint of maintaining the transparency of the transparent screen layer 4, the content of the fine filler 42 is preferably as small as possible. The content can be, for example, 30% by weight or less, preferably 1% by weight or less, based on the weight of the transparent resin 41.

  Examples of the shape of the fine filler 42 include a spherical shape, a rod shape, and a flaky shape. The spherical shape includes a true spherical shape and a spherical shape having irregularities and protrusions. As such a minute filler 42, for example, nanodiamond particles, metallic particles, metallic nanorods, metallic flaky materials, and glitter materials obtained by coating glass or mica with a metal can be used. With respect to the size of the fine filler 42, for example, in the case of a sphere, the median diameter of primary particles can be 1 μm or less. Further, for example, in the rod shape, the equivalent spherical diameter can be 20 nm or less, and the aspect ratio (ratio of the major axis length and the minor axis length) can be more than 1 and 10 or less. Further, for example, in the flaky shape, the average diameter of the primary particles can be 100 μm or less, and the average aspect ratio (ratio between average diameter and average thickness) can be 800 or less. By using the minute filler 42 having such a size, the transparency of the transparent screen layer 4 and a sufficient diffusion effect or scattering effect of the projection light can be obtained.

  The refractive index of the fine filler 42 is higher than the refractive index of the transparent resin 41 in which it is dispersed. By selecting the transparent resin 41 and the minute filler 42 so as to satisfy such a condition, the projected image is efficiently reflected, so that even if the pattern layer 3 is under the transparent screen layer 4, the image of the image is Good visibility.

  Note that, of the above-mentioned fine fillers 42, only one kind may be used, or two or more kinds may be combined. For example, the decorative product 1 shown in FIG. 2 has the transparent screen layer 4 in which the metallic flaky material 42a and the nanodiamond particles 42b are uniformly dispersed in the transparent resin 41. In such a decorative article 1, light is anisotropically scattered and reflected due to the shape of the flaky material 42a, and the viewing angle can be improved.

  From the above, in the decorative article of the present invention, the pattern layer 3 is visible when the image is not projected, and the image is clearly projected on the pattern layer 3 when the image is projected. In other words, the decorative product of the present invention can display a clear image without being affected by the design, although it has various designs by the pattern layer 3.

  The decorative article 1 may have an adhesive layer 10 in order to enhance the adhesion between the base material 2 and the pattern layer 3 or the base material 2 and the transparent screen layer 4 (see FIG. 3). Further, the outermost surface of the decorative article 1 may have a transparent or semitransparent overcoat layer 12 in order to impart scratch resistance, chemical resistance, etc. (see FIGS. 4A and 4B). ..

  The decorative article 1 of the present invention may have a transparent reflective layer 5 laminated between the design layer 3 and the transparent screen layer 4 (see FIG. 5). The transparent reflection layer 5 is a layer for anisotropically scattering and reflecting the projection light. The transparent reflective layer 5 is formed using, for example, titanium oxide, niobium oxide, cerium oxide, zirconium oxide, indium tin oxide, zinc oxide, tantalum oxide, tin oxide, zinc sulfide, or the like. As a forming method, for example, vapor deposition, sputtering, coating or the like can be used. Since the transparent reflection layer 5 is transparent, the visibility of transmitted light is good. Therefore, when the image is not projected, the visibility of the design layer 3 is unlikely to deteriorate even if the transparent reflection layer 5 is provided. The transparent reflective layer 5 has a refractive index higher than that of the transparent resin 41 of the transparent screen layer 4. By doing so, the projection light can be efficiently reflected. That is, the projected image can be displayed more clearly.

  Next, an example of the embodiment will be described with respect to the method for manufacturing the decorative article 1.

  By using the decorative sheets 6 and 7 of the present invention, the pattern layer 3 and the transparent screen layer 4 can be simultaneously formed on the base material 2.

  The decorative sheet 6 of the present invention includes a base sheet 8 having releasability, a transparent resin 41 laminated on the base sheet 8, and a fine filler 42 uniformly dispersed in the transparent resin. At least the transparent screen layer 4 in which the refractive index of the fine filler 42 is larger than the refractive index and the pattern layer 3 laminated on the transparent screen layer 4 are provided (see FIG. 6). Since the base sheet 8 having releasability is used, the decorative sheet 6 can be rephrased as a transfer sheet that transfers the transparent screen layer 4 and the pattern layer 3 to the base material 2.

  The base sheet 8 is for peeling after transferring the transparent screen layer 4 and the pattern layer 3 to the base material 2 (see FIGS. 8A and 8B). Examples of the material of the base sheet 8 include thermoplastic resins such as polypropylene resin, polyethylene resin, polyamide resin, acrylic resin, olefin resin, polyester resin, vinyl chloride resin, polycarbonate resin and ABS resin. And laminates thereof. A release layer (not shown) may be laminated on the base sheet 8 in order to further enhance the releasability of the base sheet 8. The release layer is peeled off together with the base sheet 8 when the base sheet 8 is peeled off.

  The transparent screen layer 4 can be formed by printing or coating a transparent resin 41 on which the fine fillers 42 are uniformly dispersed on the base sheet 8.

  The pattern layer 3 can be formed by printing or coating on the transparent screen layer 4 using a resin added with a pigment or a dye.

  As described above, the decorative sheet 6 of the present invention can be obtained. As a method of manufacturing the decorative article 1 of the present invention using the decorative sheet 6, for example, a thermal transfer method in which the decorative sheet 6 is laminated on the base material 2 and transferred by applying heat and pressure (FIG. 8A). (See (b)), and the simultaneous molding transfer method in which the decorative sheet 6 is placed between a pair of molds and injection molding is performed at the same time as transfer is performed.

  Further, the decorative sheet 7 of the present invention includes a support sheet 9, a pattern layer 3 laminated on the support sheet 9, a transparent resin 41 and a fine filler uniformly dispersed in the transparent resin 41 laminated on the pattern layer 3. 42, and the transparent screen layer 4 in which the refractive index of the fine filler 42 is larger than that of the transparent resin 41 (see FIG. 7).

  In addition, the decorative sheet 7 of the present invention includes a support sheet 9, a pattern layer 3 laminated on one surface of the support sheet 9, and the other surface of the support sheet 9, and the transparent resin 41 and the transparent resin And the transparent screen layer 4 in which the refractive index of the fine filler 42 is larger than that of the transparent resin 41 (see FIG. 9).

  As the material of the support sheet 9, those listed as the material of the base sheet 8 can be used.

  The decorative sheet 7 of the present invention is laminated, for example, with the surface of the decorative sheet 6 of the present invention on which the pattern layer 3 is formed facing the support sheet 9 (see FIG. 10A), and the transparent screen layer 4 It can be obtained by transferring the and the pattern layer 3 to the support sheet 9 (see FIG. 10B). Further, as another method, for example, a method of sequentially forming the pattern layer 3 and the transparent screen layer 4 on the support sheet 9 can be used. The pattern layer 3 and the transparent screen layer 4 can be formed by printing or coating, for example. The decorative sheet 7 shown in FIG. 9 can be obtained, for example, by printing a design layer on one surface of the support sheet 9 and coating the transparent screen layer 4 on the other surface.

  The method for producing the decorative article 1 of the present invention using the decorative sheet 7 includes a laminating method in which the decorative sheet 1 is bonded to the base material 2 via the adhesive layer 10 (see FIG. 11), and a decorative sheet between a pair of molds An example is a simultaneous molding and decorating method in which 7 is arranged and injection molding is performed at the same time as decorating. In the simultaneous molding and decorating method, the decorating sheet 7 may be preformed and then placed in the mold. In this way, the decorative product 1 can be obtained using the decorative sheet 7 of the present invention (see FIGS. 12 and 13).

  It should be noted that the transparent screen layer 4 may be formed of the transparent resin film 41 in which the fine filler 42 is uniformly dispersed (see FIG. 14). By adhering such a transparent screen film 11 to the base material 2 on which the pattern layer 3 is formed via the adhesive layer 10, the decorative article 1 can be obtained (see FIG. 15). In addition, the transparent screen film 11 (see FIG. 16) on which the pattern layer 3 is formed can be used to obtain the decorative article 1 by the simultaneous decorating method (see FIG. 17). Alternatively, the decorative article 1 can also be obtained by bonding the base material 2 with the adhesive layer 10 interposed therebetween (see FIG. 18). In the case of the transparent screen film 11 shown in FIG. 16, the support sheet 9 may be omitted.

  The decorative sheets 6 and 7 of the present invention may have the transparent reflection layer 5 laminated between the pattern layer 3 and the transparent screen layer 4 (see FIGS. 19, 20, and 21). FIG. 19 shows the decorative sheet 6 shown in FIG. 6 in which the transparent reflection layer 5 is laminated between the pattern layer 3 and the transparent screen layer 4. FIG. 20 shows the decorative sheet 7 shown in FIG. 6 in which the transparent reflection layer 5 is laminated between the pattern layer 3 and the transparent screen layer 4. FIG. 21 shows the decorative sheet 7 shown in FIG. 9 in which the transparent reflection layer 5 is laminated between the pattern layer 3 and the transparent screen layer 4. In FIG. 21A, the transparent reflective layer 5 is laminated between the pattern layer 3 and the transparent screen layer 4 and between the support sheet 9 and the transparent screen layer 4. Further, in FIG. 21B, the transparent reflection layer 5 is laminated between the design layer 3 and the transparent screen layer 4 and between the design layer 3 and the support sheet 9. The material and the forming method are as described above. When the decorative article 1 is manufactured using such decorative sheets 6 and 7, the light projected on the decorative article 1 can be efficiently reflected. That is, the projected image can be displayed more clearly.

1: Decorative product 2: Base material 3: Design layer 4: Transparent screen layer 41: Transparent resin 42: Fine filler 5: Transparent reflective layer 6, 7: Decorative sheet 8: Base sheet 9: Support sheet 10: Adhesive layer 11 : Transparent screen film 12: Overcoat layer

Claims (6)

Base material,
A pattern layer laminated on the base material,
At least a transparent screen layer laminated on the design layer,
The transparent screen layer includes a transparent resin and fine fillers uniformly dispersed in the transparent resin, and the refractive index of the fine filler is larger than that of the transparent resin.   The decorative article according to claim 1, wherein a transparent reflection layer is laminated between the pattern layer and the transparent screen layer. A base sheet having releasability,
A transparent screen layer laminated on the base sheet, containing a transparent resin and a fine filler uniformly dispersed in the transparent resin, wherein the refractive index of the fine filler is larger than the refractive index of the transparent resin,
A decorative sheet comprising at least a pattern layer laminated on the transparent screen layer. A support sheet,
A pattern layer laminated on the support sheet,
At least a transparent screen layer laminated on the design layer, containing a transparent resin and a fine filler uniformly dispersed in the transparent resin, wherein the refractive index of the fine filler is larger than the refractive index of the transparent resin. A decorated sheet equipped. A support sheet,
A pattern layer laminated on one surface of the support sheet,
A transparent screen laminated on the other surface of the support sheet, containing a transparent resin and a fine filler uniformly dispersed in the transparent resin, wherein the refractive index of the fine filler is larger than the refractive index of the transparent resin. A decorative sheet having at least a layer.   The decorative sheet according to any one of claims 3 to 5, wherein a transparent reflection layer is laminated between the pattern layer and the transparent screen layer.

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