JP2528642B2 - Cosmetic material - Google Patents

Description

TECHNICAL FIELD The present invention relates to a decorative material.

[Conventional technology]

As a conventional decorative material, a thin paper is printed by a normal method, and a sheet provided with an aminoalkyd urethane resin coating layer for surface protection, and a polyvinyl chloride film is subjected to normal printing. A sheet made by laminating a polyvinyl chloride film, a sheet made by laminating a polyvinyl chloride film after printing on thin paper, a sheet made by laminating a polyester resin film after printing on a paper base material, etc. Are known. In addition, in order to bring out a three-dimensional effect and to improve the design, in the above decorative material, after laminating a polyvinyl chloride film,
A decorative material is also known in which embossing is performed and ink is filled in the recesses of the embossing to express, for example, a wood grain conduit pattern.

[Problems to be solved by the invention]

However, in the above-mentioned decorative material, the strength of the sheet is insufficient, so it is not suitable for curved edge processing such as wood winding, V-cut, etc., and physical properties such as abrasion resistance and water resistance, solvent resistance, Inferior in chemical properties such as chemical resistance,
In both of the decorative materials, heat resistance, physical properties such as cold resistance and chemical properties such as solvent resistance are inferior because they use a polyvinyl chloride film. There are drawbacks that adhesion to paper and ink is not good, peeling easily occurs at the interface, and hot embossing is difficult.

Further, in a decorative material that is embossed to give a three-dimensional appearance, although it is excellent in design, since a general synthetic resin sheet such as a polyvinyl chloride film is mainly used, the same physical property as described above is used. It has the drawback of being inferior in properties and chemical properties.

It is an object of the present invention to provide a decorative material that overcomes the conventional drawbacks.

[Means for solving problems]

MEANS TO SOLVE THE PROBLEM this invention solves the said subject, forms a printing layer on a sheet | seat base material, and is a composite sheet which laminates the ethylene-vinyl alcohol copolymer resin film on the surface of at least this printing layer through the transparent resin layer. An embossed concave portion is formed by embossing, and ink is filled in the embossed concave portion by wiping, and the ethylene component of the ethylene-vinyl alcohol copolymer resin film is 30 to 45 mol%. Is.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an embodiment of the decorative material of the present invention, in which 1 denotes the decorative material. The decorative material 1 is a sheet substrate 2, a printed layer 3 provided on the surface of the substrate 2, a transparent resin layer 4 and an ethylene-vinyl alcohol copolymer resin film 5 provided to cover the printed layer. It is formed from and. or,
The decorative material 1 is embossed to form an embossed recess 6, and the embossed recess 6 is filled with ink 7 by wiping.

As the material of the sheet base material 2, paper-based materials such as thin paper, synthetic resin, metal, non-woven fabric, etc. are used, and the thickness thereof is
It is appropriately selected within the range of 30 μm to 1000 μm. Among the above materials, in consideration of adhesion suitability to a decorative base material to which these decorative materials are attached, a paper-based material is preferable, in which case,
The basis weight is preferably 23 to 150 g / m ³ .

The printed layer 3 may be a layer formed by printing an arbitrary pattern such as a wood grain pattern, an abstract pattern, a stone pattern, or a layer colored by printing. The ink for forming the printing layer 3 generally depends on the material and form of the sheet substrate 2, but is generally nitrified cotton, cellulose acetate, polyvinyl chloride, polyvinyl butyral,
An ink is used in which a homopolymer such as polyurethane or acrylic resin polyester or a copolymer with another monomer is used as a vehicle, and an ordinary pigment or dye is contained as a coloring agent in the vehicle. As a method for forming the printing layer 3, a usual printing method such as gravure printing, offset printing, letterpress printing, screen printing can be used, but drawing is also acceptable.

The transparent resin layer 4 is provided between the printed layer 3 and the film 5 in order to improve the adhesive force between them, and also increases the thickness of the total sheet layer to prevent the winding of tree edges and V.
It is provided in order to impart suitability for processing curved surfaces such as cuts and further to increase the design-like feeling of holding. When laminating the ethylene-vinyl alcohol copolymer resin film 5 on the surface of the printing layer 3 side, the film 5 is directly formed on the printing layer 3.
Good adhesive strength cannot be obtained even if the layers are laminated.

The transparent resin layer 4 may be formed by extrusion coating a polyolefin resin such as polyethylene or another resin by an extrusion laminating method, or a rubber, acrylic, epoxy or urethane resin by a dry laminating method. Coating method, rubber emulsion system, vinyl acetate-acrylic emulsion system,
A method of coating a resin such as an epoxy emulsion type by a wet laminating method is used, but in order to increase the thickness of the total sheet layer and impart a curved surface processing suitability and a feeling of fleshness, a method of extrusion coating a polyolefin type resin Is desirable. The thickness of the transparent resin layer 4 is
20 to 50 μm is preferable.

Ethylene-vinyl alcohol copolymer resin film 5
As the film, a film formed by forming a random copolymer of ethylene and vinyl alcohol is generally used. By changing the ratio of the copolymerization components, the thermoplasticity and water resistance of ethylene, the rigidity and oil resistance of vinyl alcohol,
Solvent resistance, it is possible to arbitrarily adjust the size of the performance of non-electrostatic properties, ethylene having 30-45 mol% ethylene component in order to obtain a film having both features as much as possible and excellent processability. A vinyl alcohol copolymer resin film is used. If it is less than 30 mol%, the thermoplasticity, heat-processability and water resistance will be inferior, and if it exceeds 45 mol%, the rigidity, oil resistance, solvent resistance and antistatic property will be inferior.

The film 5 preferably has a thickness of 10 to 100 μm. The film 5 may be laminated not only on the surface on the side of the printing layer 3 but also on both surfaces of the surface and the surface on the side of the sheet substrate 2.

The decorative material 1 is embossed to form an embossed recess 6. This embossing can be carried out by any conventionally known embossing method. For example, the embossing can be performed by using a normal hot embossing machine, and the surface of the decorative material 1 can be made uneven. The concave portion 6 is filled with the ink 7 by wiping. The depth of the embossed concave portion 6 varies slightly depending on the pattern or the like expressed by the embossed concave portion 6;
It is preferably about 20 to 100 μm. As the embossing, an expression of a wood grain conduit, a reproduction of a glossy state of a painted plate, a combination thereof, and an abstract pattern, a stone pattern, or a cloth pattern can be used.

In the present invention, the embossed pattern expressing the wood grain conduit is the best in terms of design effect.

As the coloring ink to be used after wiping, urethane resin, acrylic resin, polyester or other commonly used vehicle to which a pigment is added is selected and used. A two-component curing type having good adhesion and solvent resistance is preferable. The wiping method may be any of the conventionally used wiping methods such as a doctor blade method and a roll coating method.

FIG. 2 shows another embodiment of the decorative material 1 of the present invention.
The decorative material 1 shown in FIG. 1 is further provided with a primer layer 8, a concealing solid ink layer 9 and a gloss adjusting layer 10.

The primer layer 8 includes the sheet base material 2 and the concealing solid ink layer 9
Also, it is provided in order to improve the adhesiveness with the printing layer 3 and further increase the strength between sheets. As a primer for forming the primer layer 9, an ink containing a vehicle such as a homopolymer or a copolymer of polyurethane, an acrylic resin, a polyester resin, etc., if necessary, containing an additive, a colorant and the like can be used.

The solid ink layer 9 is provided between the sheet base material 2 and the printing layer 3. When the ink layer 9 is provided, even if the sheet substrate 2 itself lacks the hiding property, the hiding performance can be imparted by the ink layer 9 and the designability is improved by adding a colorant. There is an advantage that you can.

The ink used to form the concealing solid ink layer 9 contains 30 to 70 parts by weight of titanium dioxide,
Examples thereof include those containing an appropriate colorant, and as the ink layer forming method, a usual printing method such as gravure printing, offset printing, letterpress printing or screen printing, or a usual coating method such as roll coating is used. .

The gloss adjusting layer 10 is provided to adjust the glossiness of the surface of the decorative material, but also has a role of protecting the surface. The gloss adjusting layer 10 is formed by applying a coating material using an appropriate vehicle, and examples of the vehicle include polyurethane, acrylic resin, amino resin, nitrocellulose resin, alkyd resin, polyester, polyvinyl butyral resin, melamine resin, acetic acid. One or a mixture of two or more resins such as cellulose, polyvinyl chloride resin, polystyrene resin and polyvinyl alcohol resin can be used. In the paint forming the gloss adjusting layer 10, usually, an appropriate amount of a matting agent is dispersed to give a desired matting degree, but examples of the matting agent include mica, silica, alumina, calcium carbonate, diatomaceous earth, and silica sand. , Shirasu balloon and the like are used. As a method of applying the above paint, gravure coat, roll coat,
A method such as air knife coating, spray coating, or flow coating is used.

Further, although not particularly shown in the present invention, an anchor coat layer may be provided on the print layer for the purpose of further improving the adhesive force between the print layer and the transparent resin layer.

The anchor coat layer penetrates into the sheet base material through the printing layer, and is effective for improving the paper-to-paper strength and enhancing the adhesive force with the transparent resin layer.

As the anchor coating agent, a paint using a vehicle of one kind or a mixture of two or more kinds of resins such as polyurethane, acrylic resin, and polyester resin is suitable, and a one-pack type and a two-pack curing type compounded with a curing agent. There is. A two-component curing type is desirable for improving the adhesive strength.

In the present invention, the primer layer, the concealing solid ink layer, the gloss adjusting layer, and the anchor coat layer can be provided as necessary and need not be provided.

The decorative material of the present invention as described above can be suitably used mainly as a housing member such as a wall panel, a ceiling material, a door, and a skirting board.

Hereinafter, the present invention will be described in more detail with reference to specific examples.

Specific Example 1 A cover solid ink layer was formed on an inter-paper reinforced paper (CB-FIX65S manufactured by Sanko Paper Co., Ltd.) having a basis weight of 65 g / m ³ by using an ink whose vehicle is an acrylic resin (HAT manufactured by Moroboshi Ink). A pattern excluding the conduit was printed on the gravure rotary press with an oak pattern using an ink containing nitrocellulose as a vehicle (Moroboshi Ink: MA). An ethylene-vinyl alcohol copolymer resin film (manufactured by Kuraray: Eval) having a thickness of 25 μm, which was obtained by coating a polyethylene resin with a film thickness of 30 μm using an extruder on the wood-grain printing paper and simultaneously subjecting the adhesive surface to corona discharge Film E25) was laminated inline at the same time.

Immediately after passing the composite sheet thus obtained through a heat drum heated to a temperature of 150 ° C., it was subjected to hot pressure embossing with a metal roll having an oak conduit shape to obtain an embossed composite sheet.

Then, wiping with colored ink (W-141, Showa Ink) on the surface with embossed pattern, and a gloss adjusting paint consisting of the following ingredients on this sheet was applied at a plate depth of 60.
It was coated with a μm gravure roll.

Coating for gloss adjusting layer Acrylic polyol resin 100 parts by weight Xylene diisocyanate 30 parts by weight Micro silica 3 parts by weight Ethyl acetate 30 parts by weight Toluene 30 parts by weight Wood-grain printing paper / polyethylene / ethylene-obtained in this way
A composite sheet composed of a vinyl alcohol copolymer resin film / embossing / wiping / gloss adjusting layer was laminated on a 4 mm-thick plywood using a vinyl acetate adhesive (Chuo Rika: AC315). The obtained laminated decorative material was excellent in physical and chemical performance. Further, when this decorative material was V-cut, there was no breakage.

From the design side, it was an excellent decorative material that gave a feeling of depth and painting feeling of natural wood by wiping processing and the underlying wood grain pattern and the conduit pattern of the surface layer sandwiched a transparent layer of 60 μm to give a three-dimensional effect. .

Specific Example 2 A primer (made by Showa Ink Kogyo Co., Ltd.) having an acrylic resin as a vehicle is coated between the inter-paper reinforcing paper and the concealing solid ink layer by gravure printing to provide a space between the inter-paper reinforcing paper and the concealing solid ink layer. Example except that a primer layer was formed on the printed layer, and a primer having a secondary curable urethane resin as a vehicle was gravure coated on the surface of the printed layer to form a primer layer between the printed layer and the polyethylene resin layer. A decorative sheet was produced in the same manner as in 1.

The decorative material thus obtained was a decorative material in which the paper interval of the base material sheet was further strengthened as compared with Example 1, and the adhesiveness between the upper polyethylene layer and the adherend base material was good.

〔The invention's effect〕

As described above, the decorative material of the present invention is a composite obtained by forming a printing layer on a sheet substrate and laminating an ethylene-vinyl alcohol copolymer resin film on at least the surface of the printing layer via a transparent resin layer. The sheet is embossed to form embossed depressions, and the embossed depressions are filled with ink by wiping. Therefore, curved surface attachment such as wood edge winding, V-cut, wrapping, etc., which cannot be achieved with conventional decorative materials. Processable, ethylene-vinyl alcohol copolymer resin film, since the ethylene component is 30 to 45 mol%, the thermoplastic polymer has excellent characteristics such as thermoplastic, water resistance, the rigidity of the vinyl alcohol polymer, Combined with excellent characteristics such as oil resistance, solvent resistance, and antistatic property, it has physical properties such as wear resistance, heat resistance, and cold resistance as a decorative material, and water resistance, It is possible to provide an excellent cosmetic material that has good chemical properties such as chemical resistance, and that can be embossed and wiped to form a pattern with high designability that closely resembles a natural natural material with a good sense of unevenness. It is a thing.

[Brief description of drawings]

The drawings show the embodiments of the present invention. FIG. 1 is a vertical sectional view showing an embodiment of the decorative material of the present invention, and FIG. 2 is a vertical sectional view showing another embodiment of the decorative material of the present invention. . 1 ... Decorative material 2 ... Sheet base material 3 ... Printing layer 4 ... Transparent resin layer 5 ... Ethylene-vinyl alcohol copolymer resin film 6 ... Embossed recess 7 ... Ink

Claims (4)

(57) [Claims] 1. A composite sheet obtained by forming a printing layer on a sheet base material, and laminating an ethylene-vinyl alcohol copolymer resin film on at least the surface of the printing layer side through a transparent resin layer, and subjecting the composite sheet to embossing. A cosmetic material characterized in that an embossed concave portion is formed, and the embossed concave portion is filled with ink by wiping, and the ethylene component of the ethylene-vinyl alcohol copolymer resin film is 30 to 45 mol%. 2. The decorative material according to claim 1, wherein the transparent resin layer comprises a polyolefin resin. 3. The decorative material according to claim 1 or 2, wherein a primer layer is provided on the sheet base material before forming the printing layer. 4. The decorative material according to any one of claims 1 to 3, wherein a gloss adjusting material layer is provided on the surface of the ethylene-vinyl alcohol copolymer resin film.