JPH1024545A - Embossed pattern formed decorative panel and its production - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form fine and complicated embossed patterns conformable to printed patterns by laminating a transparent resin layer on the surface of the pattern layer formed on one surface of a paper sheet base material by using two or more kinds of inks different in resin density. SOLUTION: A pattern layer 4 comprising a pattern layer 41 using ink high in resin density and a pattern layer 42 using ink low in resin density is provided on the surface of a paper sheet base material 3 to obtain a paper decorative sheet 2. Next, the paper decorative sheet 2 is superposed on the surface of a base material 6 through an adhesive layer 3 to be bonded thereto. Subsequently, a transparent resin soln. is applied to the upper surface of the pattern layer 4 and allowed to penetrate into the paper sheet base material 3 through the pattern layer 4. By this constitution, an embossed pattern formed decorative panel 1 having an embossed pattern layer 8 due to the difference of the permeability of the transparent resin soln. 7 between the pattern layer 41 using ink high in resin density and the pattern layer 42 using ink low in resin density.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative plate having a good concavo-convex pattern used for various kinds of furniture and building interior materials, and a method for producing the same.

[0002]

2. Description of the Related Art Conventionally, as a decorative material having a design with an uneven pattern on the surface used for various kinds of furniture, building interior materials and the like,
For example, (1) a method of forming irregularities on a substrate sheet on which a picture pattern is formed by using an embossing roll, an embossing template, or the like; (2) performing a matte conduit printing on the substrate sheet in a design. (3) forming a printed portion such as a conduit for forming a concave surface on a substrate sheet on which a picture pattern is formed with an ink containing a lyophobic agent; It is known that a transparent resin is applied thereon, and a decorative sheet produced by a method of forming a concave portion by liquid-repelling a printed portion such as the conduit is adhered to a substrate.

However, in each of the decorative sheets,
In the decorative sheet of (1), it is extremely difficult not only to manufacture an embossing roll or an embossed template, but also to increase the manufacturing cost and to obtain a fine and complicated decorative sheet. In the decorative sheet of (2), expression of fine and complicated shapes is possible and excellent in aesthetic effect, but lacks actual unevenness and expresses a sense of unevenness due to a visual effect. The decorative sheet of (3) has actual irregularities and is excellent in three-dimensional effect, but has the problem that the printing machine is contaminated by the liquid repellent and the liquid repellent is not uniform and the product is not stable. Was.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a design in which a fine and complicated concave and convex pattern synchronized with a printed pattern is formed. An object of the present invention is to provide a decorative plate having a concavo-convex pattern and a method for producing the same.

[0005]

Means for Solving the Problems In order to achieve the above object, a solution of the present invention is to laminate a paper-based decorative sheet on the surface of a substrate via an adhesive layer, and to place the decorative sheet on the paper-based decorative sheet. An uneven pattern forming decorative plate obtained by applying a transparent resin liquid, wherein the paper-based decorative sheet is formed on one surface of a paper-based sheet substrate using at least two or more types of inks having different resin densities. And a decorative pattern-formed decorative plate having an uneven pattern layer formed on the surface thereof by laminating a transparent resin layer on the surface of the pattern layer. With this configuration, it is possible to form a concave and convex pattern having a fine and complicated shape synchronized with the printed pattern, and thus it is possible to obtain a decorative plate having a very high designability.

In addition, a step of preparing a paper-based decorative sheet in which at least two or more picture layers made of inks having different resin densities are laminated on one surface, and a step of preparing the paper-based decorative sheet with an adhesive applied to the surface of the base material A step of placing and attaching a decorative sheet so as to be in contact with the surface of the adhesive layer, and a step of forming a pattern layer on the surface by applying a transparent resin liquid on the surface of the pattern layer on the surface of the base material; By adopting the method of manufacturing a decorative board, a decorative board having a concavo-convex pattern having the above-described effects can be easily and reliably manufactured.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view illustrating an embodiment of a decorative plate having a concavo-convex pattern according to the present invention, and FIG. 2 is a cross-sectional view illustrating an example of a method for manufacturing the decorative plate having a concavo-convex pattern according to the present invention. 2 is a paper-based decorative sheet, 3 is a paper-based sheet base, 4 is a picture layer, 41 is a picture layer made of ink with high resin density, 42 is a picture layer made of ink with low resin density, 5 is an adhesive layer, 6 Denotes a base material, 7 denotes a transparent resin liquid, and 8 denotes an uneven pattern layer.

[0010] As shown in FIG. 1, the decorative plate 1 having a concavo-convex pattern according to the present invention has a pattern layer 4 provided on the surface of a paper-based sheet substrate 3 via an adhesive layer 5 on the surface of a substrate 6. Paper-based decorative sheet 2 is adhered, and a transparent resin liquid 7
Is applied, the transparent resin liquid 7 penetrates into the three paper-based sheet base materials through the picture layer 4, and the unevenness pattern layer 8 is formed by the transparent resin liquid 7 by a difference in permeability of the four picture layers. The picture layer 4 is composed of a picture layer 41 made of an ink having a high resin density and low permeability of the transparent resin liquid 7, and a picture layer 42 made of an ink having a low resin density and good permeability of the transparent resin liquid 7.

Next, an example of a method of manufacturing the decorative board 1 with a concavo-convex pattern of the present invention will be described with reference to the drawings. First, as shown in FIG. 2A, a paper quality in which a pattern layer 4 composed of a pattern layer 41 made of ink having a high resin density and a pattern layer 42 made of ink having a low resin density is provided on the surface of a paper-based sheet base material 3. A system decorative sheet 2 is prepared. Next, as shown in FIG. 2B, the paper-based decorative sheet 2 is overlapped and adhered to the surface of the base material 6 with the adhesive layer 3 interposed therebetween. Next, FIG.
As shown in FIG. 2, a transparent resin liquid 7 is applied to the upper surface of the picture layer 4 and the transparent resin liquid 7 is caused to penetrate into the paper-based sheet base material 3 through the picture layer 4, as shown in FIG. The decorative pattern-formed decorative board 1 having the concave-convex pattern layer 8 having the difference in the permeability of the transparent resin liquid 7 between the pattern layer 41 made of the ink having a high resin density and the pattern layer 42 made of the ink having a low resin density is obtained.

Examples of the base material 6 used in the decorative board 1 having an embossed pattern according to the present invention include wood-based base materials such as plywood, particle board, and MDF; and inorganic base materials such as calcium silicate board, asbestos slate board, and gypsum board. A metal base such as a base, a polished steel plate, a galvanized steel plate, an aluminum plate, and a stainless steel plate can be used.

[0011] The picture layer 4 of the decorative board 1 having a concavo-convex pattern of the present invention.
As the paper-based sheet base material 3 used to form the paper, thin paper, kraft paper, titanium paper, linter paper, paperboard, gypsum board paper, etc. having a basis weight of 80 to 140 g / m ² are used,
It is preferable that the paper is made into a no-size so that the transparent resin liquid 7 easily penetrates, made into a paper with sufficient control of the density and thickness, and subjected to calender roll processing for smoothing the surface from the viewpoint of printability.

On the surface of the paper-based sheet substrate 3, for example,
The picture layer 4 is provided using at least two kinds of inks having different resin densities, such as a picture layer 41 made of an ink having a high resin density and a picture layer 42 made of an ink having a low resin density. For example, a wood grain pattern or a tile formed by forming a pattern of a coniferous wood such as a pine, a cedar, a cypress, etc. in a winter grain part, a spring grain part, and a pattern of a wood grain conduit groove part of a hardwood material such as a walnut, teak, or oak. A tile-like abstract pattern pattern that forms a joint is revealed.

The ink for forming the picture layer 4 is obtained by adding a coloring agent such as a pigment or a dye, a plasticizer, a stabilizer, and other additives to a vehicle, and kneading the mixture sufficiently with a solvent and a diluent. For example, it is provided by general printing means such as gravure, offset, and gravure offset.

The vehicles used for the pattern layer 41 made of low-resin-density ink at the time of forming a coating film that expresses the spring portion of coniferous wood, the wood channel groove portion of hardwood, or the tile joint portion include ethyl cellulose and nitrocellulose. ,
Cellulose derivatives such as acetylcellulose are preferably used.

The vehicle used for the picture layer 42 made of ink having a high resin density at the time of forming a coating film for expressing a winter-eye portion of a softwood material and a pattern portion of a tile pattern is, for example, acrylic polyol, polyester polyol, polyether. Emulsion-type resins such as urethane resins and ethylene-vinyl acetate emulsions and acrylic resin emulsions, which are addition products of polyol components such as polyols and isocyanate components composed of tolylene diisocyanate, methylene diisocyanate, xylene diisocyanate, hexamethylene diisocyanate, etc. Those having a high resin concentration and a low solution viscosity are preferably used.

FIG. 2C shows a picture layer 41 made of ink having a high resin density and a picture layer 42 made of ink having a low resin density formed on the surface of the paper-based sheet base material 3 adhered to the base material 2.
The figure shows a state in which a transparent or translucent resin is applied on a picture layer 4 made of a resin. The transparent resin liquid 7 penetrates into the paper-based sheet base material 3 through the picture layer 4, and the difference in permeability of the transparent resin liquid depending on the resin density of the ink layer forming the picture layer 4 is shown in FIG. An uneven pattern layer 8 as shown is formed. That is, the picture layer 4 made of ink having a high resin density
In 1, the penetration of the transparent resin liquid 7 is small and the ink surface is thick, and in the picture layer 42 made of the ink having a low resin density, most of the transparent resin liquid 7 penetrates and is formed thin, so that the whole is formed. The unevenness is formed. If the transparent resin liquid 7 is dried and hardened in such a state, the concavo-convex pattern layer 8 is formed, and the concavo-convex pattern-formed decorative board 1 of the present invention can be manufactured.

As the resin forming the concavo-convex pattern layer 8, it is desirable to form a film having excellent surface properties such as stainability, solvent properties, and abrasion. As the resin system, an acrylic resin, a polyurethane resin, Unsaturated polyester resin,
Thermosetting resins usually used for surface coating of decorative boards such as epoxy resins are preferably used.For example, flow coating, gravure coating, roll coating, application by known coating means such as spray coating, and drying are performed. The above-mentioned uneven pattern layer 8 can be formed, and its coating amount is 10 to 10.
200 g / m ² is preferred.

Example 1 A wood grain pattern of a spring wood part wood grain pattern was used on a surface of a decorative paper weighing 100 g / m ² , using a low resin density ink composition having the following composition ratio. Was printed using a gravure printing plate from which no was removed. [Blending of low-density ink composition] Nitrocellulose resin 3.5 parts by weight Pigment 15.5 parts by weight Solvent 81.0 parts by weight The wood-grain pattern printing plate was used to print the wood-grained spring wood-grain pattern using the ink composition having the following compounding ratio and a high resin density. [Blending of Ink Composition Having High Resin Density] Acrylic polyol resin 25.0 parts by weight Hexamethylene diisocyanate 1.5 parts by weight Pigment 5.0 parts by weight Solvent 68.5 parts by weight Next, polyacetic acid was added to a 2.8 mm thick plywood. The vinyl emulsion type adhesive was applied, and the wood pattern decorative sheet obtained above was laminated. Thereafter, a two-component curable urethane-based resin paint is applied by a roll coat at an application amount of 40 g / m ^{2 on} the entire upper surface of the wood grain decorative sheet having the print pattern layer, and heated and dried at 80 ° C. for 20 minutes. Thus, a decorative plate having an uneven pattern was obtained.

[0019]

As described above, the paper-based decorative sheet provided with the picture layer formed by using at least two kinds of inks having different resin densities is adhered to the surface of the base material via the adhesive. Then, a concavo-convex pattern layer can be formed on the surface by applying a transparent resin liquid on the picture layer formed using the at least two or more kinds of inks having different resin densities, so that irregularities having a high design property can be obtained. A pattern forming decorative board can be obtained at low cost.

Further, it is possible to easily produce a decorative board having an uneven pattern synchronized with a printed pattern without performing embossing which is troublesome and leads to an increase in cost. Can be done.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating an embodiment of a decorative plate having a concavo-convex pattern according to the present invention.

FIG. 2 is a cross-sectional view illustrating an example of a method for manufacturing a decorative plate having a concavo-convex pattern according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Uneven pattern forming decorative board 2 Paper-type decorative sheet 3 Paper-type sheet base material 4 Picture layer 41 Picture layer with high resin density ink 42 Picture layer with low resin density ink 5 Adhesive layer 6 Substrate 7 Transparent resin liquid 8 Uneven pattern layer

Claims (2)

[Claims] An irregular pattern-formed decorative sheet obtained by laminating a paper-based decorative sheet on the surface of a base material via an adhesive layer, and applying a transparent resin liquid on the paper-based decorative sheet. The paper-based decorative sheet has a configuration in which a pattern layer formed using one or more inks having different resin densities on one surface of a paper-based sheet base material,
An uneven pattern forming decorative plate, wherein an uneven pattern layer is formed on the surface by laminating a transparent resin layer on the surface of the pattern layer. 2. A step of preparing a paper-based decorative sheet in which at least two or more picture layers made of inks having different resin densities are laminated on one surface, and a step of preparing the paper-based decorative sheet in a state where an adhesive is applied to the surface of a base material. A step of placing and attaching a decorative sheet so as to be in contact with the surface of the adhesive layer, and a step of forming an uneven pattern layer on the surface by applying a transparent resin liquid to the surface of the pattern layer on the surface of the base material. A method for producing a decorative plate having a concavo-convex pattern.