JPH052924U - Glitter paint - Google Patents

Abstract

(57) [Summary] [Purpose] Provided with a glittering decorative molded article in which a glittering decorative sheet on which external light is reflected to form various reflected light patterns is adhered and integrated on the surface of a resin molded article body. To do. [Structure] A heat-sealing layer (4), a light-reflecting layer (3), and an embossed resin layer (2) having a desired irregular pattern having a certain regularity on the lower surface or the upper surface are arranged in this order from bottom to top. A glittering decorative sheet (S) having a laminated structure,
It is characterized by being bonded to the surface of the injection resin molded product body (5) by insert molding. External light incident on the transparent embossed resin layer having an uneven pattern on the lower surface or the upper surface is reflected on the upper surface of the light reflection layer (3), and at the uneven pattern surface, reflection corresponding to the uneven pattern is generated to form a reflected light pattern. Present.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention reflects the external light to form various reflected light patterns or patterns on the sheet surface. Glittering decorative molding in which the glittering decorative sheet is adhered to the surface of the resin molded product body Regarding goods.

[0002]

[Prior art]

  Conventionally, as a glittering decorative sheet that exerts a design effect by surface reflected light, Known is a sheet made by vapor-depositing a metal such as aluminum on the surface of a base material such as oil-coated paper. Has been. However, in the case of this metal vapor deposition sheet, uniform light reflection is achieved. However, the reflected light itself does not form a pattern.

[0003]   In addition, conventionally, a glittering decorative sheet of this kind is attached to the surface of a resin molded product body. It is known, but this sheet itself is inseparably integrated with the resin molded product body. It is not provided.

[0004]

[Problems to be solved by the device]

  Therefore, the technical problem to be solved by the present invention is to reflect various kinds of reflected light by reflecting external light. On the surface of the resin molded product, the glittering decorative sheet that is formed on the surface It is an object to provide a glittering molded product integrally molded.

[0005]

[Means, actions, and effects for solving problems]

  In order to solve the above technical problems, according to the present invention, a glittering picture with the following constitution is provided. Molded products are provided.

[0006]   That is, this glittering molded article has a heat seal layer, a light reflection layer, and a lower surface. Alternatively, an embossed resin layer having a desired irregular pattern with a certain regularity on the upper surface The glittering decorative sheet having a laminated structure in which layers are laminated in order from bottom to top Characterized by the fact that it is adhered to the surface of the injection resin molded product body by saart molding. There is.

[0007]   In the above structure, as the resin of the resin molded product body, polypropylene, Tilene, acrylic stellene resin, ABS resin and the like are preferably used. Hey It is sufficient that the seal layer has good adhesiveness to the resin of the main body of the resin molded product. Olefin-based resin, ionomer resin, modified polyolefin-based resin, etc. are preferred . Polyethylene and polypropylene are suitable as the polyolefin resin. Used. As the modified polyolefin resin, ethylene-vinyl acetate is used. Copolymer, ethylene-acrylic acid copolymer, ethylene-methacrylic acid copolymer, An ethylene-acrylic acid ester copolymer is preferably used.

[0008]   Generally, the reflective layer should be made of aluminum vapor deposition foil, but as another means, Resin layer containing reflective pigment, that is, gold ink (using brass powder to give a metallic luster similar to gold) Ink) and silver ink (ink that uses aluminum powder to give a metallic luster similar to silver) It can also be formed by.

[0009]   As a material for the transparent embossed resin layer, a thermoplastic material suitable for embossing A material that has Resin, amorphous polyester resin, etc. are preferably used.

[0010]   It is preferable to form a transparent protective resin layer on the upper surface of the embossed resin layer. As the material of, the material with high heat resistance, wear resistance and strength is used. When the lower surface of the resin layer has unevenness, for example, stretched polyester or stretched polypropylene is used. Pyrene, expanded nylon, expanded polystyrene, cellophane, polycarbonate, etc. If the film has irregularities on the upper surface of the embossed resin layer, a urethane type, A thin film layer made of Kuryl-based or nitrified cotton-based resin by printing or coating It is preferably used. A printing layer such as a pattern may be formed on the lower surface of the transparent protective resin layer. And are preferred.

[0011]   In the above configuration, the heat-sealing of the glittering decorative sheet during insert molding The layer melts and adheres and integrates with the injection resin. Therefore, this glittering decorative sheet is made of resin. It will be firmly integrated with the molded product body. And again, of the glittering decorative sheet The surface and the surface of the resin-molded article body may be flush with each other.

[0012]   As described above, the glitter decorative sheet integrated on the surface of the resin molded product body The light reflection layer is laminated on the lower surface of the embossed resin layer. Therefore, the uneven pattern is If it is formed on the lower surface of the embossed resin layer, the upper surface of the light reflection layer The surface is a mirror surface with unevenness along the lower surface or the upper surface with the uneven pattern of the embossed resin layer Will be formed. Then, the transparent protective resin layer and the transparent embossed resin layer are transparent. The extraneous light that has passed is reflected by the mirror surface of this light reflection layer, and at the same time the transparent embossed resin layer A reflected light pattern corresponding to the uneven pattern is formed, so the design effect is very excellent It becomes a thing.

[0013]   On the other hand, when the uneven pattern is formed on the upper surface of the embossed resin layer, the transparent embossed pattern is used. External light incident on the resin layer is reflected on the upper surface of the light reflection layer, and the reflected light is Diffuse reflection (reflected light pattern) corresponding to the uneven pattern is generated on the uneven upper surface of the embossed resin layer, As a result, the design effect is very excellent.

[0014]   In the above structure, forming an uneven pattern on the embossed resin layer is a conventionally known embossing. It can be easily done by boss processing. In addition, the lamination of each layer is a conventionally known fi It can be mass-produced easily and at low cost using the rum laminating technology.

[0015]

【Example】

  Embodiments of the present invention will be described in detail below with reference to FIGS.

[0016]   Fig. 1 shows an example of the glitter decorative sheet used for the glitter decorative molded product. There is. As shown in the figure, this sheet is vapor-deposited on the heat seal layer 4 and aluminum. Light-reflecting layer 3 composed of a foil or a resin layer containing a reflective pigment of gold ink or silver ink And a transparent embossed resin layer 2 made of polyethylene and a transparent protective resin layer 1 made of polyester And has a laminated structure in which layers are laminated in order from bottom to top. Lower surface of embossed resin layer 2 Therefore, the upper surface of the light reflection layer 3 is provided with a desired uneven pattern having a certain regularity. There is. Details of this uneven pattern are shown in detail in FIGS. 2 and 3. Protective resin On the lower surface of the layer 1, a translucent printing layer 6 such as a pattern is provided.

The rugged pattern shown in FIGS. 2 and 3 is composed of four parallel strips designated A, B, C, D, and E, as shown in FIG. Each of the strips A to E is formed in a regular uneven pattern. The strip A is formed by a large number of parallel vertical lines. The strip B is composed of a portion B ₁ formed by a large number of parallel diagonal lines rising to the right and a portion B ₂ formed by a large number of parallel diagonal lines descending to the right. The strip C is composed of a part C ₁ composed of a large number of parallel horizontal lines and a part C ₂ composed of a large number of parallel vertical lines. The strip D is composed of a large number of parallel slanted lines rising to the right. The strip E is composed of a portion E ₁ formed by a large number of parallel horizontal lines and a portion E ₂ formed by a large number of right upward parallel diagonal lines.

[0018]   As shown in the enlarged view of FIG. 3, each line shown in FIG. It shows a ridge 2a on the lower surface or a concave groove 3a formed on the upper surface of the light reflecting layer 3. The width dimension of these recessed grooves 3a is preferably 0.1 mm or less, for example.

As described above, a large number of strips A to E are formed on the upper surface of the light reflection layer 3, and the direction of the ridges 2a or the concave grooves 3a is different for each strip or each partial region of each strip. Due to the difference, the directionality of the reflected light L ₂ reflected from the concave groove 3a of each strip or each portion of each strip differs from the reflected light L ₁ reflected from the plane 3b. As a result, a line pattern formed on the upper surface of the light reflection layer 3, that is, a pattern of reflected light in the form of an uneven pattern formed on the lower surface of the embossed resin layer 2 appears on the surface of the heat.

[0020]   The concavo-convex pattern shown in FIGS. 2 and 3 is merely an example, and the concavo-convex pattern is desired. It can be variously modified according to. 4A and 4B show the modified example. There is. The modified example of FIG. 4A shows a dot pattern. That is, on the upper surface of the light reflection layer 3, The large number of hemispherical recesses are regularly formed. This hemispherical recess reflects The reflected light from the flat surface has a different reflection direction from the reflected light from the flat surface. A unique reflected light pattern is formed. The modified example of FIG. 4B is composed of a spiral pattern and a wavy pattern. The uneven pattern is shown. By forming the uneven pattern with curved lines like this , You can get different costume effects. By the way, the glittering decorative film having the above structure Is it easy to use the sheet S by embossing and film laminating that are conventionally known? It can be manufactured in large quantities.

[0021]   FIG. 5 shows a step of embossing the embossed resin layer 2. 7 in the figure is It is a caster and the embossed resin layer 2 is a film from the extruder 7. It is pushed up. On the other hand, the protective resin having the printing layer 6 on the lower surface from the other direction Layer 1 is provided. These layers 1 and 2 are pressure bonded between the cooling roll 8 and the pressing roll 9. , Are stacked and pulled out to the left in the figure. The surface of the cooling roll 8 has an embossed tree. An inverted concavo-convex pattern corresponding to the concavo-convex pattern to be provided on the lower surface of the oil layer 2 is formed, When passing between both rolls 8 and 9, the concavo-convex pattern of the cooling roll 8 becomes an embossed resin layer. 2 will be transferred to the lower surface. The laminates 1, 6 and 2 produced in this way The light reflection layer 3 is formed on the lower surface of the boss resin layer 2 in a printing process or a vapor deposition process. Be done. Then, the heat seal layer 4 is laminated on the lower surface of the light reflection layer 3. It

[0022]   In the embodiment of FIG. 1, an uneven pattern is formed on the lower surface of the transparent embossed resin layer 2. However, as another embodiment, as shown in FIG. 6, the upper surface of the transparent embossed resin layer 2 An uneven pattern may be formed on. In this case, if the protective resin layer 1 is too thick Since the irregular reflection of the ridges 2a of the embossed resin layer 2 is blocked, the thickness of 1 to 2 microns There is a need to supplement that. However, this protective resin layer 1 does not necessarily have to be laminated. This is not the case and the layer 1 may be omitted.

[0023]   Now, the glitter decorative sheet S having the laminated structure of FIG. 1 or 6 is shown in FIG. Contact the surface of the resin molded product body 5 by the insert molding method by injection molding. The clothes are integrated. That is, although the mold is not shown, the mold cavity First, the glittering decorative sheet S is inserted into the die Resin is injected. Then, the heat seal layer 4 of the glittering decorative sheet S melts. It will be melted and bonded and integrated with the resin. And thus completed As shown in FIG. 7, the surface of the sheet S and the resin molded product The surface of the body 5 is formed flush with the surface. Therefore, this molded product is a glittering decorative sheet S. Is integrated with the resin molded product body 5, and the sheet exhibits a light reflection pattern. As a result, the molded product has a very excellent design effect.

[Brief description of drawings]

FIG. 1 is a sectional view of a glittering decorative sheet used in an embodiment of the present invention.

FIG. 2 is a plan view of relevant parts showing a concavo-convex pattern on a lower surface of an embossed resin layer or an upper surface of a reflective layer of the sheet in FIG.

FIG. 3 is an enlarged view of a portion X in FIG.

4A and 4B are plan views showing modified examples of the above-mentioned concavo-convex pattern.

FIG. 5 is an explanatory view showing a method for producing a glittering decorative sheet.

FIG. 6 is a cross-sectional view similar to FIG. 1, showing a glittering decorative sheet according to another example.

FIG. 7 is a cross-sectional view of a glittering decorative molded product having the glittering decorative sheet shown in FIGS. 1 and 2 adhered to the surface thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Transparent protective resin layer 2 Embossing resin layer 2a Ridge 3 Light reflection layer 3a Recessed groove 3b Plane 4 Heat seal layer 5 Resin molded product body 6 Printing layer 7 Extruder 8 Cooling roll 9 Pressing roll S Glittering decorative sheet

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Claims (3)

[Scope of utility model registration request] 1. A heat seal layer (4) and a light reflection layer (3)
And a bright decorative sheet having a laminated structure in which an embossed resin layer (2) having a desired irregular pattern having a certain regularity on the lower surface or the upper surface is laminated in order from the bottom to the top.
(S) is injection molded by insert molding
A glittering decorative molded product characterized by being adhered to the surface of (5). 2. The glittering decorative molded product according to claim 1, wherein a transparent protective resin layer (1) is laminated on an upper surface of the embossed resin layer (2). 3. The glitter coating product according to claim 2, further comprising a printing layer (6) between the embossed resin layer (2) and the transparent protective resin layer (1).