JP2016168744A - Resin double-sided display object and method for producing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a resin double-sided display object in which symbols having a three-dimensional texture are formed, and to provide a method for producing the same.SOLUTION: A resin double-sided display object 1 is a laminate 1 formed by laminating and adhering together a plurality of acrylic resin plates. A plurality of opaque colored layers 5a are formed partially on one surface of each transparent acrylic resin plate 2, and no or a plurality of opaque colored layers 5b are formed partially on the other surface thereof, in such a manner that the outermost surface becomes a transparent resin surface on which no colored layer is formed. The plurality of the opaque colored layers 5a and 5b formed partially on the transparent acrylic resin plate 2 include the bottommost colored layer 5b contacting the surface of the resin plate and the topmost colored layer 5a contacting the resin plate adjacent thereto. A symbol displayed on a surface side facing the bottommost colored layer 5b is formed on the bottommost colored layer 5b, and a symbol displayed on a surface side facing the topmost colored layer 5a is formed on the topmost colored layer 5a.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a resinous double-sided display used for signboards and the like for sale products and the manufacturing method thereof, and more specifically, a laminate of acrylic resin plates on which a three-dimensional representation is formed. The present invention relates to a resin double-sided display and a method for manufacturing the same.

Conventionally, for the purpose of enhancing durability and display effect, it has been known to put a photograph or painting between transparent resin plates, or display objects with separate photos attached to the front and back for appealing products sold etc. Proposed laminated polymer with a transparent film printed on a transparent resin plate (for example, see Patent Document 1) and a display with direct printing on a transparent resin plate and a transparent resin plate bonded to the printed surface (For example, refer to Patent Document 2).
These are flat prints formed between the resins, and even if a three-dimensional product print is displayed, the three-dimensional effect is poor and a sufficient display effect cannot be obtained.

  On the other hand, figurines and ornaments in which three-dimensional objects themselves are enclosed in resin have been known for a long time, but for example, it is possible to enclose a completed model body of a building, a model body of a mannequin doll with clothes, etc. in the resin as it is, It was expensive and not easy to do.

Japanese Patent Laid-Open No. 57-1778749 JP 2003-260762 A

  The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a resin double-sided display object on which a representation having a three-dimensional texture is formed and a method for manufacturing the same. It is in.

  A resinous double-sided display according to one aspect of the present invention made to achieve the above object is a resinous double-sided display that is formed by laminating and bonding a transparent acrylic resin plate partially formed with a colored layer. In addition, a plurality of opaque colored layers are partially formed on one surface of the transparent acrylic resin plate, and an opaque colored layer is not formed on the other surface or the plurality of opaque colored layers. A laminated body in which a plurality of acrylic resin plates having a partially formed layer are laminated and bonded such that the outermost surface is a transparent resin surface not forming a colored layer, and the transparent acrylic resin A plurality of opaque colored layers partially formed on the surface of the resin plate are colored in the lowermost layer in contact with the surface of the acrylic resin plate and the uppermost layer in contact with the acrylic resin plate adjacent to the acrylic resin plate. And the lowermost colored layer Represents that a representation displayed on the surface side facing the lowermost colored layer is formed, and a representation displayed on the surface side opposed to the uppermost colored layer is formed on the uppermost colored layer. Features.

  The acrylic resin is preferably polymethyl methacrylate.

  The resin double-sided display is provided with a transparent undercoating layer containing an uncrosslinked acrylic resin on the surface of the acrylic resin plate on which the opaque colored layer is formed, and the surface of the undercoating layer is uneven. It is preferable that the undercoating layer contains a cross-linked acrylic resin.

  The crosslinked acrylic resin contained in the undercoating layer is preferably spherical crosslinked acrylic resin particles.

  The acrylic resin plate is preferably provided with an undercoating layer containing an acrylic resin on the surface on which the plurality of opaque colored layers are formed.

In the resin double-sided display object, the laminated surface is preferably bonded by forming an adhesive layer containing an acrylic resin, and is further bonded by polymerizing an acrylic monomer. preferable.
Moreover, it is preferable that a polymerizable monomer is contained in any one or more of the materials for forming the opaque colored layer, the undercoating layer, and the cover coating layer, and the polymerizable monomer is an acrylic monomer. It is preferable.

  In order to achieve the above object, a method for producing a resinous double-sided display according to an aspect of the present invention includes a resinous double-sided display in which transparent acrylic resin plates partially formed with a colored layer are laminated and bonded. A method for manufacturing an article, comprising: a step of providing a transparent undercoating layer containing an acrylic resin having irregularities on a surface thereof on at least one surface of the acrylic resin plate; and an acrylic system provided with the undercoating layer A step of forming a plurality of opaque colored layers on the surface of the resin plate, and an acrylic resin so as to cover the colored layer on the surface of the acrylic resin plate on which the plurality of opaque colored layers are formed A step of forming an undercoating layer; and a plurality of acrylic resin plates on which the colored layer is formed such that the outermost surface is a surface on which the colored layer is not formed. A step of laminating and a step of adhering the laminated surfaces of the laminated resin plates, and the colored layer is a lowermost colored layer in contact with the surface of the resin plate and a resin plate laminated on the resin plate The step of forming the colored layer includes forming a representation displayed on a surface side of the lowermost colored layer facing the lowermost colored layer, and coloring the uppermost layer. The layer is formed such that the uppermost colored layer forms a representation displayed on the opposite surface side.

ADVANTAGE OF THE INVENTION According to this invention, the resin-made double-sided display body which can display three-dimensional representations, such as sales goods and an image model, as a representation full of a three-dimensional effect and a big display effect is obtained.
Further, according to the method for producing a double-sided display body of the present invention, the representation can be displayed with a three-dimensional effect, so that a resin double-sided display object with a high display effect can be produced at low cost.

It is typical sectional drawing for demonstrating the structure of the double-sided display body which concerns on one Embodiment of this invention.

Hereinafter, embodiments of a resin double-sided display object according to the present invention will be described with reference to the drawings.
FIG. 1 is a schematic cross-sectional view for explaining a configuration of a double-sided display body 1 according to an embodiment of the present invention.
A transparent synthetic resin plate 2 used in the resin double-sided display object 1 of the present embodiment shown in FIG. 1 is a resin plate using an acrylic resin. The acrylic resin is excellent in weather resistance and impact resistance, and provides a clear transparent feeling that is transparent and a soft texture that is different from glass. Its transparency and light weight are preferred, and acrylic resin products are often used for upholstery and accessories.
As a monomer for producing the acrylic resin, alkyl having 1 to 18 carbon atoms such as methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, 2-ethylhexyl methacrylate, etc. (meta ) Acrylate and the like, and methyl methacrylate is particularly preferable.

The thickness of one piece of the transparent acrylic resin plate 2 of the present embodiment is preferably 2 mm to 50 mm in order to express the stereoscopic effect of the display object.
The shape of the transparent acrylic resin plate 2 is not particularly limited, but the transparent acrylic resin plate 2 to be laminated is preferably the same shape in terms of manufacturing the laminate, and is preferably a flat plate-like double-sided display. Since the manufacture of the thing 1 is easy, it is preferable.
The resin double-sided display object 1 of this embodiment is formed by laminating a plurality of transparent acrylic resin plates 2 on which opaque colored layers 5a and 5b are partially formed. The number of transparent acrylic resin plates 2 to be laminated is preferably 3 or more, and more preferably 4 or more, in order to express the stereoscopic effect of the display object.

In the resin double-sided display object 1 of the present embodiment, a plurality of opaque colored layers 5 a and 5 b are partially formed on at least one surface of the transparent acrylic resin plate 2. The plurality of opaque colored layers 5a and 5b to be formed are formed as a single layer, each partially or entirely overlapping.
The opaque colored layers 5a and 5b have a lowermost colored layer in contact with the surface of the acrylic resin plate 2 on which the colored layer is formed and an uppermost colored layer in contact with the adjacent resin plate when the acrylic resin plate 2 is laminated. . The colored layer is partially formed on the surface of the acrylic resin plate, the lowermost colored layer and the uppermost colored layer do not indicate the order in which the colored layers are formed, the lowermost colored layer is The colored layer is in contact with the resin plate on which the colored layer is formed, and the uppermost colored layer refers to the colored layer in contact with the adjacent resin plate. Therefore, the colored layer formed as a single layer is the lowermost colored layer and the uppermost colored layer. In the colored layer that partially contacts the resin, only the contacted portion becomes the lowermost colored layer and / or the uppermost colored layer.

The lowermost colored layer is a representation displayed on the side of the surface facing the lowermost colored layer, and the uppermost colored layer is a representation displayed on the side of the surface facing the uppermost colored layer.
The three-dimensional effect is changed by changing the size of the lowermost colored layer of the laminated acrylic resin plate 2 and the boundary portion (contour) between the uppermost colored layer and the acrylic resin transparent surface (uncolored surface). If the inner side of the laminate is increased, the three-dimensional effect that is convex on the side surface side is increased, and if the inner side is decreased, the three-dimensional effect that is concave on the side surface side is increased. Increases the three-dimensional effect of thickness.

The method of forming the opaque colored layers 5a and 5b is not particularly limited, and can be performed by a printing method, a spraying method, a brush coating method, etc., and the printing method is preferable from the viewpoint of mass productivity. It is preferable to use a screen printing method capable of printing on the surface.
A forming material containing a coloring material such as a pigment for forming the opaque colored layers 5a and 5b was prepared by adding a coloring agent and various auxiliaries to a varnish obtained by dissolving a resin in a solvent. Various paints, paints, inks and the like can be used.
The colorant used for the colored layer forming material is preferably an inorganic pigment having excellent hiding power.
As the resins for forming the varnish, thermoplastic resins, thermosetting resins, UV curable resins, and the like can be used. It is preferable to use the same type of resin that is highly compatible with the resin plate and the undercoating layer. When the coating layer contains an acrylic resin, the acrylic resin is preferably used as a varnish material. By using a resin having high compatibility with the colored layer forming surface for the varnish, the clarity of the colored layer is improved and the fixability of the ink / paint is also improved.
The auxiliary agent added to the varnish together with the colorant is not particularly limited, but is a defoaming agent, pigment dispersant, thickener, wax, coupling agent, ultraviolet absorber, matting agent, curing agent. , Curing accelerators, and the like can be used. Moreover, you may use a polymerizable monomer as a solvent.

In the resin double-sided display object 1 of the present embodiment, it is preferable to provide a transparent undercoating layer 4 having irregularities on the surface on which the colored layer of the transparent acrylic resin plate 2 is formed. The undercoating layer 4 preferably contains an acrylic resin.
By providing the transparent undercoating layer 4 having irregularities, the colored layers 5a and 5b formed thereon are formed along the irregularities of the undercoating layer 4, so that they are displayed on the resin double-sided display object 1. The texture of the representation can be improved, thereby enhancing the stereoscopic effect of the displayed representation.

The transparent undercoating layer 4 can be formed by applying a coating material containing a resin material by brushing, spraying, coating, or the like.
The method of providing irregularities on the surface of the transparent undercoating layer 4 includes a method of squeezing the surface of the transparent undercoating layer 4 with an embossing roll or the like, a method of roughening the surface by sandblasting, etc., a solvent spray or a wind pattern in a semi-dry state It can be carried out by any method such as formation, and the unevenness to be formed is preferably fine and irregular in order to enhance the texture. Moreover, you may form the unevenness | corrugation matched with the shape of the representation to display.

The transparent undercoating layer 4 preferably contains a cross-linked acrylic resin. To contain the cross-linked acrylic resin, a gel-like cross-linked acrylic resin is used in the coating agent. Even if it is a method to include, the method of including a crosslinking agent in a coating agent and post-crosslinking may be sufficient, and it is still more preferable that the crosslinked acrylic resin is a spherical crosslinked resin particle.
By including a crosslinked acrylic resin in the transparent undercoating layer, the texture of the representation of the resin display object 1 is further improved, and the fixability of the ink / paint used for the colored layers 5a and 5b is improved. Printing unevenness such as bleeding and repellency is reduced.
Moreover, the coating agent for forming the undercoating layer 4 may use a polymerizable monomer as a solvent, and may contain a polymerization curing agent as an auxiliary agent.

The plurality of opaque colored layers 5a and 5b formed on the transparent acrylic resin plate 2 are preferably provided with a transparent cover coating layer 6, and the transparent cover coating layer 6 includes an acrylic resin. It is preferable that resin is included.
By providing the transparent cover coating layer 6, it is possible to prevent color shift and deformation of the opaque colored layers 5a and 5b and bleeding of the colorant when the acrylic resin plate 2 is laminated and bonded.

The transparent cover coating layer 6 preferably contains a cross-linked acrylic resin. To contain the cross-linked acrylic resin, the cross-linked acrylic resin is included in the coating agent. The method may be a coating agent containing an undissolved gel, or may be a method in which a crosslinking agent is included in the coating agent and post-crosslinking is performed.
By including a cross-linked acrylic resin in the transparent cover coating layer 6, the color misregistration and deformation deterrence of the colored layer during adhesion is further improved.
The coating agent for forming the transparent cover coating layer 6 may use a polymerizable monomer as a solvent, and may contain a polymerization curing agent as an auxiliary agent.
The transparent cover coating layer 6 can be formed by applying a coating material containing a resin material by brush coating, spraying, blade coater, roll coater or the like.

The acrylic resin plate 2 in which a plurality of opaque colored layers 5a and 5b are partially formed on at least one surface is laminated and bonded.
In the resin display object 1 of the present embodiment, the acrylic resin plates 2 are laminated so that the surface of the outermost layer exposed to the outside is a transparent acrylic resin surface 2 on which no colored layer is formed. Laminated. The laminated acrylic resin plate 2 adheres the laminated surface.
The lamination surface can be adhered by adhesion using an adhesive, polymerization adhesion using a polymerizable monomer, or the like. It is preferable that the material forming the adhesive layer 8 such as an adhesive or a polymerization adhesive contains an acrylic resin of the same type as the acrylic resin to be used, so that no trace of the adhesive interface is generated.
In addition, polymerization adhesion using a polymerizable monomer is preferable because it is not necessary to apply an excessive pressure to the laminate during the adhesion, and the stretching and deformation of the opaque colored layer can be prevented.

EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated still in detail, this invention is not limited to this.
〔Example〕
(Formation of transparent undercoating layer 4)
As the acrylic resin plate, 5 transparent methacrylic resin plates having a thickness of 10 mm and a square of 500 mm were prepared. Four transparent undercoating layers 4 were formed on one surface and one on both surfaces.
The undercoating layer 4 was formed by applying a solution obtained by dissolving and suspending 90 parts by weight of a non-cross-linked methacrylic resin and 10 parts by weight of a cross-linked acrylic resin in cyclohexane using a blade coater and drying by heating. As the cross-linked acrylic resin, a resin powder prepared by emulsion copolymerization of 95 parts by weight of methyl methacrylate (MMA) and 5 parts of trimethylolpropane trimethacrylate (TMPT) was used.
An embossing roll was applied to the undercoating layer forming surface of the methacrylic resin plate 2 on which the undercoating layer 4 was formed to form fine corrugated irregularities on the surface.
(Formation of a plurality of opaque colored layers 5a and 5b)
Next, the first stage of the plurality of opaque colored layers 5a and 5b is formed on the surface of the methacrylic resin plate on which the undercoating layer is formed, using an acrylic ink containing an inorganic pigment, and printed. After the surface was sufficiently dried and cured, the second and subsequent layers were overprinted to form colored layers 5a and 5b.
(Formation of cover coating layer 6)
Subsequently, a transparent cover coating layer 6 was formed on the surface on which the colored layer of the methacrylic resin plate was formed. The cover coating layer 6 was formed by applying a coating agent having the same composition as that of the undercoating layer 4 using a blade coater and performing heat drying.
(Lamination and adhesion of resin plates)
Five methacrylic resin plates on which the colored layers 5a and 5b were formed were laminated via a spacer having a thickness of 1 mm, the side surfaces were sealed, and the adhesive solution was injected between the resin plates. The adhesive solution was prepared by dissolving 20 parts by weight of a low-polymerization degree methacrylic resin (degree of polymerization: about 1500) in 80 parts by weight of methyl methacrylate, and adding 0.05 part by weight of benzoyl peroxide as a radical polymerization initiator to the solution. As the accelerator, one containing 0.01 part by weight of N, N-dimethyl-p-toluidine was used.
In addition, the lamination of five methacrylic resin plates is performed by laminating two resin plates each centered on a resin plate with a colored layer formed on both sides and a transparent surface with no colored layer formed on both sides. did.
The laminated body in which the adhesive solution was poured into the laminated surface of the resin plate was allowed to stand in an atmosphere of 40 ° C. for 10 hours to cure the adhesive solution, thereby adhering the laminated surface.
(Manufacture of resinous double-sided display 1)
The end portions where the spacers and seals of the laminated body where the adhesion was completed were cut and removed, the cut surfaces were polished and the corner portions were chamfered, and the resin double-sided display object 1 was completed.
The completed resin double-sided display object 1 displayed a representation full of stereoscopic effect on both sides.

DESCRIPTION OF SYMBOLS 1 Resin double-sided display 2 Acrylic resin board 4 Under coating layer 5a, 5b Colored layer 6 Cover coating layer 8 Adhesive layer

Claims (11)

It is a resin double-sided display object in which a transparent acrylic resin plate partially formed with a colored layer is laminated and bonded,
A plurality of opaque colored layers are partially formed on one surface of the transparent acrylic resin plate, and an opaque colored layer is not formed on the other surface, or the plurality of opaque colored layers are formed. It is a laminate in which a plurality of partially formed acrylic resin plates are laminated and bonded so that the outermost surface is a transparent resin surface that does not form a colored layer,
A plurality of opaque colored layers partially formed on the surface of the transparent acrylic resin plate are a lowermost colored layer in contact with the surface of the acrylic resin plate and an acrylic resin plate adjacent to the acrylic resin plate. An uppermost colored layer in contact with the uppermost colored layer, wherein the lowermost colored layer is formed with a representation that is displayed on the side facing the lowermost colored layer, and the uppermost colored layer has the uppermost colored layer A resinous double-sided display object characterized in that a representation displayed on the side of the surface facing the layers is formed.   The resin-made double-sided display object according to claim 1, wherein the acrylic resin is polymethyl methacrylate. A transparent undercoating layer containing a non-crosslinked acrylic resin is provided on the surface on which the opaque colored layer of the acrylic resin plate is formed,
The resin-made double-sided display object according to claim 1 or 2, wherein the surface of the undercoating layer has irregularities.   The resin-made double-sided display object according to claim 3, wherein the undercoating layer contains a cross-linked acrylic resin.   5. The resin double-sided display object according to claim 4, wherein the crosslinked acrylic resin contained in the undercoating layer is a spherical crosslinked acrylic resin particle.   6. The acrylic resin plate according to claim 1, wherein an undercoating layer containing an acrylic resin is provided on a surface on which the plurality of opaque colored layers are formed. The resin-made double-sided display thing of description.   The resin display object according to any one of claims 1 to 6, wherein the laminated surface is bonded by forming an adhesive layer containing an acrylic resin.   The resin-made double-sided display object according to any one of claims 1 to 7, wherein the laminated surface is bonded by polymerizing an acrylic monomer.   The polymerizable monomer is contained in any one or more of the materials for forming the opaque colored layer, the undercoating layer, and the cover coating layer, according to any one of claims 1 to 8. Resin double-sided display.   The resin-made double-sided display object according to claim 9, wherein the polymerizable monomer is an acrylic monomer. A method for producing a resinous double-sided display object in which a transparent acrylic resin plate partially formed with a colored layer is laminated and bonded,
Providing at least one surface of the acrylic resin plate with a transparent undercoating layer containing an acrylic resin having irregularities on the surface;
Forming a plurality of opaque colored layers on the surface of the acrylic resin plate provided with the undercoating layer;
Forming an undercoating layer containing an acrylic resin so as to cover the colored layer on the surface of the acrylic resin plate on which the plurality of opaque colored layers are formed;
Laminating a plurality of acrylic resin plates on which the colored layer is formed so that the outermost surface is a surface on which the colored layer is not formed;
Adhering the laminated surface of the laminated resin plates,
The colored layer has a lowermost colored layer in contact with the surface of the resin plate and an uppermost colored layer in contact with the resin plate laminated on the resin plate,
The step of forming the colored layer includes forming a representation displayed on the surface side of the lowermost colored layer facing the lowermost colored layer, and facing the uppermost colored layer to the uppermost colored layer. A method for producing a resinous double-sided display object, characterized by forming a representation displayed on the surface side.

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