JPH07186355A - Veneer for building materials - Google Patents

Abstract

(57) [Summary] [Object] The present invention provides a decorative board having a deep and deep design effect by interposing a layer having a transparent thickness between a picture layer and a pearl layer. [Structure] A first transparent polyvinyl chloride film 12 provided with a gloss adjusting layer 11 made of a two-component curing type resin, a second transparent polyvinyl chloride film 15 having a picture layer 13 and a pearl pattern layer 14 printed thereon, and a glitter. A colored polyvinyl chloride film 17 having a pearl layer 16 formed by solid printing with a volatile ink is overlaid in the order shown in FIG. 1, and heat is applied from the colored polyvinyl chloride film side with an embossing roll to give a colored polyvinyl chloride film. At the same time as embossing is formed on the vinyl chloride film, the three films are heat-sealed and integrated to make an embossed decorative sheet. Next, the two-part curable adhesive 18 is applied to the embossed decorative sheet and laminated on the base material 19 to produce the decorative board 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved embossed decorative board having improved design properties for a decorative board for building materials.

[0002]

2. Description of the Related Art Conventionally, various methods have been proposed as means for applying a concavo-convex pattern (embossing) to a decorative surface of a decorative material. For example, a mechanical embossing method using an embossing roll or an embossing plate, A chemical embossing method using a foaming agent, a foaming inhibitor, a curing inhibitor, or the like is known. In addition, a method is used in which a glittering solid layer and a pattern printing layer are provided on an opaque polyvinyl chloride film, embossing is applied from the printing side, and a transparent thermoplastic resin film is dried or coated with a transparent paint. . Furthermore, a method is also known in which a transparent thermoplastic resin film is provided with a pattern layer and a glittering solid printing layer by back-printing and embossing is performed.

[0003]

However, in the above-mentioned method, for example, in the mechanical embossing method, there is a drawback that the decorative pattern and the uneven pattern do not match, and in the chemical embossing method, the resin Foaming, foam suppression,
Alternatively, it is very difficult to control each step such as suppressing curing, it is difficult to reveal a desired uneven pattern, and there is a drawback that a special device is required, which is not preferable. In addition, a glittering solid layer and a pattern printing layer are provided on an opaque polyvinyl chloride film, embossing is applied from the printing side, and a transparent thermoplastic resin film is coated with a dry paint or a transparent paint. Since the board has a glittering solid layer that reflects light immediately below the pattern layer, a design with a sense of depth or depth could not be obtained. An object of the present invention is to solve these problems and to provide a decorative plate which has a good design and which has a depth and a feeling of depth, which is not seen in a conventional embossed decorative plate.

[0004]

[Means for Solving the Problems] A brilliant layer having a solid or pattern is provided on an opaque thermoplastic resin film, and a pearl pattern layer made of a brilliant ink, or a pearl pattern layer and a pattern layer is provided on the film. 2. Laminate the transparent thermoplastic resin film of 2,
Further, a first transparent thermoplastic resin film is laminated on the pearl pattern layer to integrate the respective films into a laminated sheet, and the opaque thermoplastic resin film side of the laminated sheet is provided with an uneven shape to give a decorative sheet. The decorative sheet for building material is characterized in that the opaque thermoplastic resin film surface having irregularities of the decorative sheet is bonded to a base material via an adhesive. Further, in the decorative board for building materials, the uneven shape applied to the opaque thermoplastic resin film side is 20 μm or less, a gloss adjusting layer is provided on the first transparent thermoplastic resin film, and the first transparent A decorative board for building material is characterized in that a second pattern layer is provided on a thermoplastic resin film and / or a gloss adjusting layer. By configuring the decorative plate as described above, the light incident from the surface does not reflect right under the pattern layer, but passes through the transparent resin layer film of the next layer, and the pearl solid layer or the opaque resin film layer below it. Since the light is reflected by the light and is also reflected as light having directionality due to the unevenness formed by embossing, a decorative board having a design effect with a sense of depth that has never been obtained can be obtained.

[0005]

According to the present invention, since a layer having a transparent thickness is interposed between the pattern layer and the pearl layer, the light reflected by the pattern layer and the light reflected by the pearl layer have different reflection surfaces. It is possible to obtain a decorative plate that has a depth and a sense of depth that is not seen in the conventional embossed decorative plate.

[0006]

The present invention will be described in detail below with reference to the drawings based on the embodiments. FIG. 1 is a sectional view showing an example of a decorative plate of the present invention, and FIG. 2 is a sectional view showing an example of an embossed decorative sheet. FIG. 3 is a cross-sectional view of a decorative board having a gloss mat conduit pattern printed on the uppermost layer. FIG. 4 is a cross-sectional view of an embossed decorative sheet used for the decorative plate of FIG.
FIG. 5: is explanatory drawing which shows the reflection of the light in the decorative board of this invention.

An example of making a decorative board for building material according to the present invention will be described below. When manufacturing a decorative sheet, first, an embossed decorative sheet is prepared. The embossed decorative sheet is prepared according to the following procedure, and its layer structure is as shown in FIG. A colored polyvinyl chloride film is used as the opaque thermoplastic resin layer 17, and a glitter ink is solidly printed on the film by gravure printing to form a pearl layer 16
To form. This is film A. Next, a transparent polyvinyl chloride film is used as the second transparent thermoplastic resin layer 15, and the wood grain pattern layer 13 is formed by gravure printing on the transparent polyvinyl chloride film.
And a pearl patterned layer 14 of wood grain is formed. This is film B
And Further, a transparent polyvinyl chloride film is used as the first transparent thermoplastic resin layer 12, and the gloss adjusting layer 11 is formed thereon by a gravure printing method. This is film C.

As shown in FIG. 2, the pearl layer forming surface of the film A and the opposite surface of the pearl pattern layer of the film B are superposed on each other as shown in FIG. And the other surface of the film A are overlapped and laminated, and an embossing roll is applied from the side of the film A to apply heat and pressure to form a concavo-convex shape 3 (emboss) on the film A.
The embossed decorative sheet 2 is produced by heat-sealing the sheets of film. In addition, on the gloss adjusting layer 11 of the decorative sheet 2,
The embossed decorative sheet 5 as shown in FIG. 4 may be obtained by printing a wood conduit pattern with an ink having a gloss lower than that of the gravure ink.

Next, the embossed surface of the embossed decorative sheet 2 is coated with a two-component curing type adhesive 18 and attached to a base material 19 such as plywood, and the decorative board 1 as shown in FIG. To make. The decorative board thus produced had a deep and deep design effect and was excellent as a three-dimensional design. In addition, since a two-component curing type adhesive is used to bond the embossed decorative sheet and the base material, the embossed shape of the decorative sheet has much less change over time than the solvent-type adhesive, and stable design is achieved. The veneer shown was obtained.

The layers constituting the decorative board will be described below.
Further details will be described. As the first and second transparent thermoplastic resin layers, known and transparent resins may be used, but polyvinyl chloride is used as a typical resin.
In addition, acrylic, polystyrene, vinyl acetate, ethylene-vinyl acetate copolymer, ABS and the like can be used.
The thickness of the resin layer may be in the range of 20 to 200 μm, but the thickness of about 50 to 150 μm is preferable in terms of design effect and handling.

The pattern layer is formed by printing using an ink made of a known resin, pigment, dye, additive or the like. The printing method is not particularly limited, and a conventional method can be used, but the gravure printing method is suitable for printing a wood grain pattern. Also in the case of printing a pattern with a glitter ink in combination with a wood grain pattern, a glitter ink made of a known resin, pigment, dye, additive or the like is used.

The pearl layer provided on the opaque thermoplastic resin layer is also provided by performing solid printing or hairline-like overall pattern printing using the glitter ink.

As the opaque thermoplastic resin layer, a colored film obtained by adding a pigment, a dye, an extender pigment or the like to a known resin and coloring the resin to form a film is used. Among them, a colored polyvinyl chloride film is often used. The thickness of the film is selected in relation to the depth of the embossed grain, but is preferably about 40 to 80 μm.

The laminated sheet is embossed with a roll or a flat plate which is embossed in a pattern such as a wavy pattern line or a hairline pattern. The embossing depth is set to 10 to 20 μm so that the embossed shape reaches the pearl layer provided on the opaque thermoplastic resin layer.

The gloss adjusting layer is formed on the uppermost film by a printing method using a known resin in which a matting agent such as silica or plastic beads is kneaded as an ink. From the viewpoint of surface protection, a two-part curable resin or an ultraviolet curable resin having excellent scratch resistance is desirable.

The printing of the wood grain conduit is provided on the gloss adjusting layer. The gloss of the conduit print must be lower than that of the gloss control layer, which provides a gloss matte effect where the conduit portion appears to be recessed. The ink resin is preferably a two-component curing type.

A two-component curing type adhesive is used as the adhesive. Since the two-component curing type adhesive cures while maintaining the embossed shape of the sheet, the embossed shape is fixed by the curable resin, and the embossed shape is hardly deformed with time. Urethane-based adhesives are preferred. As an application method of the adhesive, a conventional application method such as a roll coater method can be used.
The adhesive may be applied on either the substrate surface or the sheet surface, but it is preferable to apply it on the sheet surface because the curable adhesive enters the embossed uneven surface and fixes the embossed shape.

As the base material of the decorative board, wood base materials such as veneer board, dense fiber board (MDF) and particle board are generally used, but inorganic materials such as gypsum board, light calcium board, iron board and aluminum board are used. A plastic base material such as a system base material, an acrylic plate, a polycarbonate plate, or a polyvinyl chloride plate can also be used.

Specific examples will be shown below. (Example 1) As the opaque thermoplastic resin layer 17, a thickness of 6
A 0 μm colored polyvinyl chloride film (W500 color FC55169, manufactured by Riken Vinyl Industry Co., Ltd.) was used for solid printing by gravure printing using a glittering ink (Chemical XGS Pearl, manufactured by Showa Ink Industry Co., Ltd.) to form a pearl layer 16 To provide. (Film A). Next, as the second transparent thermoplastic resin layer 15, a transparent polyvinyl chloride film having a thickness of 80 μm (W500 manufactured by Riken Vinyl Industry Co., Ltd.)
Clear), and gravure ink (Showa Ink Industry Co., Ltd.) and glitter ink (Showa Ink Industry Co., Ltd.)
XGS pearl) is used to print a wood grain pattern and a pearl pattern to form a pattern layer 13 and a pearl pattern layer 14.
(It is referred to as film B). As the first transparent thermoplastic resin layer 12, another transparent polyvinyl chloride film having a thickness of 80 μm (W500 manufactured by Riken Vinyl Industry Co., Ltd.) is used.
Clear) is prepared. (It is referred to as film C).

The above three films are laminated in the order of film C / film B / film A / so that the structure shown in FIG. 2 is obtained, and heat is applied from the film A side to the film A by using an embossing roll. Simultaneously with the formation of the embossing 3, the three films were heat-fused and integrated to produce the embossed decorative sheet 2. The emboss pattern is a wavy line, and the interval between the convex and concave ridges is 15
It was set to 0 μm.

On the surface of the first transparent thermoplastic resin layer 12 of the embossed decorative sheet produced as described above, a two-component curing type urethane ink (U manufactured by The Inktech Co., Ltd.)
M) was applied by the gravure coating method to form a gloss adjusting layer 11 as shown in FIG.

Next, the embossed surface of the embossed decorative sheet 2 was coated with a two-component curing type urethane adhesive (CVC36 manufactured by Konishi Co., Ltd.) by a roll coater at 30 g /
m ² (wet state) was applied and laminated on a lauan plywood 19 having a thickness of 4 mm to prepare a decorative plate 1 as shown in FIG. 1.

(Example 2) The first transparent thermoplastic resin layer 1 of the embossed decorative sheet 2 produced in the same manner as in Example 1
A two-component curing type urethane ink (UM manufactured by The Inktech Co., Ltd.) is applied to two surfaces by a gravure coating method to form a gloss adjusting layer 11, and a two-component curing type having a gloss lower than that of the ink. Urethane ink (PT made by Dainichiseika Kogyo Co., Ltd.
Gravure printing in C) to form the wood grain conduit pattern 20,
An embossed decorative sheet 5 as shown in FIG. 4 was produced. Next, it was laminated on a lauan plywood in the same manner as in Example 1 to produce a decorative plate 4 as shown in FIG.

(Example 3) Film A and film B were prepared in the same manner as in Example 1, and film B / film B / film A were superposed in this order in the same manner as in Example 1 from the top. An embossed decorative sheet was prepared, and this embossed decorative sheet was laminated on a lauan plywood in the same manner as in Example 1 to prepare a decorative plate.

Since the transparent film 15 is interposed between the pattern layer 13 and the pearl layer 16 in the decorative plate produced as described above, it is incident on the surface of the decorative plate as shown in FIG. The light reflected by the pattern layer and the light reflected by the pearl layer have different reflection surfaces, so that the light appears to have a depth. Therefore, a design with a sense of depth and depth was obtained, which was an excellent design showing a three-dimensional effect. In addition, since a two-component curing adhesive is used as the adhesive to adhere to the base material and cure it, the embossed shape is fixed to the cured resin, and the embossed shape does not deform significantly over time. Met.

[0026]

According to the present invention, since the layer having a transparent thickness is interposed between the pattern layer and the pearl pattern layer, the light reflected by the pattern layer surface and the light reflected by the pearl layer are reflected on the reflection surface. Therefore, it is possible to provide a decorative plate that has a depth and a sense of depth, which is not seen in the conventional embossed decorative plate, and which has a design effect. By adding the embossed shape to the pearl layer, the movement of "shining" can be expressed, and by providing a partial pearl layer in the pattern layer, a reflective part that is not affected by the movement of "shining" can be created, and it is even deeper. It is possible to obtain a decorative board having a good three-dimensional design.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of a decorative board of the present invention.

FIG. 2 is a sectional view showing an example of an embossed decorative sheet of the present invention.

FIG. 3 is a cross-sectional view of a decorative board having a gross mat conduit pattern printed on the uppermost layer.

4 is a cross-sectional view of an embossed decorative sheet used for the decorative plate of FIG.

FIG. 5 is an explanatory view showing reflection of light on the decorative board of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Decorative board 2 Embossed decorative sheet 3 Embossed part of film 4 Decorative board with gloss matte conduit pattern printed on top layer 5 Embossed decorative sheet with gloss matte conduit pattern printed on top layer 11 Gloss adjustment layer 12 1st Transparent thermoplastic resin layer 13 Picture layer 14 Pearl pattern layer 15 Second transparent thermoplastic resin layer 16 Solid pearl layer 17 Opaque thermoplastic resin layer 18 Adhesive layer 19 Base material 20 Conduit pattern printing layer A Incident light A A'A reflected light B incident light B B'B reflected light C incident light C C'C reflected light D incident light D D'D reflected light

Claims (4)

[Claims] 1. A second transparent layer comprising a brilliant layer having a solid or pattern on an opaque thermoplastic resin film, on which a pearl pattern layer made of a brilliant ink or a pearl pattern layer and a pattern layer is provided. A thermoplastic resin film is laminated, and a first transparent thermoplastic resin film is further laminated on the pearl pattern layer to integrate the films into a laminated sheet, and the opaque thermoplastic resin film side of the laminated sheet. A decorative sheet for a building material, characterized in that an uneven shape is applied to a decorative sheet to form a decorative sheet, and the opaque thermoplastic resin film surface having the uneven shape of the decorative sheet is bonded to a base material via an adhesive. 2. The decorative board for building materials according to claim 1, wherein the uneven shape provided on the opaque thermoplastic resin film side is 20 μm or less. 3. The decorative board for building materials according to claim 1, wherein a gloss adjusting layer is provided on the first transparent thermoplastic resin film. 4. A first transparent thermoplastic resin film and / or
Alternatively, the second decorative layer is provided on the gloss adjusting layer, and the decorative board for building material according to claim 1, claim 2 or claim 3.