KR20090130899A - Structure of natural pattern wood board and therefor manufacturing method - Google Patents

Abstract

PURPOSE: A structure of a finishing decoration board having a wood powder layer attached on a backside contact layer and a manufacturing method thereof are provided to utilize as not only a paper attached to a wall or a laminated paper but also a finishing decoration board for the interior of a building. CONSTITUTION: A manufacturing method of a structure of a finishing decoration board having a wood powder layer(30) attached on a backside contact layer(20) is composed of the steps of preparing the backside contact layer to provide the structure of the finishing decoration board, obtaining wood powders having various colors by grinding natural wooden veneers having specific patterns and colors, forming the wood powder layer by spraying the wood powders on the backside contact layer, and forming an adhering layer(10) under the backside contact layer.

Description

Structure of finished board having wood flour forming layer bonded on backing layer and manufacturing method according thereto {structure of natural pattern wood board and therefor manufacturing method}

The present invention relates to the field of manufacturing using natural veneer, and more particularly, to a structure of a finished decorative board having a wood flour forming layer adhered on a backing layer and a method of manufacturing the same.

In recent years, the demand for natural materials such as timber and loess is increasing due to the trend toward higher quality and well-being (well-being) culture in human life and to lead a nature-friendly life. Therefore, in order to reproduce the solid wood or solid wood atmosphere in the field of architecture, interior, furniture, natural veneer and the like are used a lot as a finishing material.

In the manufacturing method of the natural veneer sheet known in the art, a natural sheet of thin natural wood veneer is prepared, and a fiber sheet in which resin is impregnated into a non-woven fabric made of cotton, viscose rayon, nylon, etc. to allow the resin to penetrate evenly on both sides. The method of manufacturing a veneer may be mentioned by pressing the back of the natural veneer by roller pressing or thermocompression.

Various methods have been tried to solve the unique problems of solid wood in such a basic structure. For example, by applying a laminating film on the upper surface of the veneer member, it can be used by people who have excellent storage properties and no construction technology. Disclosed is a method of manufacturing veneer with reduced time, manpower, and cost (DNA 2001-26300). In addition, there is also a backing veneer sheet containing aluminum foil as a backing paper. An adhesive is applied to the original wood veneer, and the aluminum foil is bonded thereto and the backing paper such as paper is bonded.

In addition, in the conventional natural veneer sheet paper, since only one species is used, the aesthetics of the finished exterior surface are relatively monotonous, and the natural atmosphere was somewhat insufficient to create airiness or artistic atmosphere.

On the other hand, as disclosed in the Republic of Korea Registration No. 10-0317555, there is a known technique for manufacturing wood substitutes using dyed sawdust, but is not a natural veneer, but dyeing process using a chemical reactive dye or basic dye As it was done, it is not very suitable as a finishing board or finishing paper in the well-being era.

Preferably, it is desired to provide a finishing paper using natural wood, while forming an exterior pattern freely, and a finishing paper or finishing board that can give a soft feeling unlike the texture of natural veneer. In addition, the aesthetics of the exterior surface are varied, making it easy to manufacture finishing boards that can freely create an artistic atmosphere, from classic to modern, and also to reduce manufacturing costs. Improved technology is needed in the art.

Accordingly, it is an object of the present invention to provide a structure of a finished decorative board having a wood powder forming layer adhered on a back contact layer, and a manufacturing method according to the above-mentioned conventional finishing paper.

Another object of the present invention is to provide a structure of a finishing board that can form a variety of colors of wood powder obtained from natural veneer on the contact layer to freely form the appearance pattern.

Still another object of the present invention is to provide a structure of a finished decorative board that can give a soft and soft feeling unlike the texture of natural veneer.

Still another object of the present invention is to provide a structure of a finished board that can freely create an artistic atmosphere ranging from classic to modern, with a variety of aesthetics of the finished exterior surface.

Still another object of the present invention is to provide a structure and a manufacturing method of a finished decorative board which can be sufficiently easy to manufacture and reduce the manufacturing cost while having a sufficient finishing function as a paper such as paper or sheet paper.

Still another object of the present invention is to provide a structure and a manufacturing method of a finished board having a color pattern similar to natural veneer on the printed layer to be printed in order to provide a finished board at a low cost.

According to an embodiment of the present invention for achieving the above object, the structure of the finishing board, the backing layer for providing a finishing structure of the finishing board; A material is obtained from the grinding of natural veneer having a unique pattern and color depending on the species, and is provided on top of the backing layer and has a wood flour forming layer that maintains bonding strength to each other.

Preferably, the adhesive layer formed on the back side of the backing layer so that the backing layer has an adhesive force; The finishing board is further provided with a release separation layer positioned below the adhesive layer to temporarily protect the adhesive layer until the adhesive layer is bonded to an adhesive target and separated from the adhesive layer immediately before bonding. Can be.

In addition, a protective layer for increasing wear resistance, moisture resistance, or flame resistance may be further formed on the wood powder forming layer.

A structure of a finishing board according to another technical aspect of the present invention includes: a backing layer that provides a finishing structure of the finishing board and functions as a pattern printing paper; A printing layer printed on top of the backing layer to form a color printing pattern similar to natural veneer; An adhesive layer formed on the back side of the backing layer so that the backing layer has adhesive force; And a release separation layer positioned below the adhesive layer to temporarily protect the adhesive layer until the adhesive layer is adhered to an adhesive target, and separated from the adhesive layer immediately before adhesion.

According to another technical aspect of the present invention, a method of manufacturing a finishing board using a material collected from natural veneer includes the steps of preparing a baffle layer for providing a finishing structure of the finishing board; Pulverizing natural veneer having a unique pattern and color according to the species to obtain wood powder of various colors; Spraying the wood powder on top of the back contact layer to obtain a wood powder forming layer adhered to each other.

According to an embodiment of the present invention, since the wood-forming layer appears as a pastel color soft color on the upper surface of the contacting layer, the exterior aesthetics can be provided, not only as a feature attached to a wall or floorboard, but also as a finishing decoration of a building interior. As a board, it can be widely used. In addition, since the wood powder can be sufficiently obtained from natural veneer that is hard to be sliced into a thin natural veneer or by natural veneer by-products that are hard to be sliced anymore, it also provides an advantage of preventing waste of solid wood and manufacturing at low cost.

Hereinafter, according to the present invention, an embodiment of a structure of a finished decorative board having a wood flour forming layer adhered on a back contact layer and a method of manufacturing according thereto will be described with reference to the accompanying drawings. Although many specific details are described by way of example in the following embodiments, it should be noted that this has been described without the intent to assist those of ordinary skill in the art to more fully understand the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. Although shown in different figures, forming layers that perform the same or similar functions are denoted by the same or similar reference numerals.

1 is a structural diagram of a decorative board formed on the surface of natural veneer wood flour according to an embodiment of the present invention, Figure 2 is a view showing an example of manufacturing the decorative board of Figure 1; 3 is a structural diagram of a finishing board having a printing layer on top of a wood flour or veneer layer according to another embodiment of the present invention.

First, referring to Figure 1 showing the structure of the decorative board, the natural veneer wood flour formed on the surface, it is seen that the wood flour forming layer 30 is formed on the upper contact layer 20. An adhesive layer 10 is formed below the back contact layer 20.

The backing layer 20 may be formed of a sheet of polyurethane or polystyrene material, cloth, film, or paper, in order to provide a finishing structure of the decorative board.

In addition, the wood powder forming layer 30 is obtained from the grinding of natural veneer having a unique pattern and color according to the species and is formed on the upper contact layer 20 to maintain the bonding force with each other. The natural veneer used as the material of the wood powder forming layer 30 may be any species, for example, larch, oak, cypress, pine, oak, walnut, elm, cherry, horsewood, maple, camphor, Cypress, Cassia, White Sycamore, Rosewood Mahogany, African Mahogany, Nawang, Ebony, Rosewood, Brazilian, Vasimon, Silverrose, Walnut, Teak, Oak, Spruce, Moavi, Beach, Annie It is a species of sapling such as sapling tree, vulgar tree, wenge tree, cedar tree, old tree, and birch tree. Preferably, larch, horse chestnut, oak, camphor tree, white mahogany, African Nawang and the like are relatively frequent staggered species.

The wood powder forming layer 30 may be made of wood powder obtained from one species, or may be made of wood powder obtained from different species.

Since the wood powder, which is the material of the wood powder forming layer 30, is made by pulverizing the natural patterned wood as described above, the texture varies depending on the degree of crushing roughness, and appears as various colors depending on the type of crushed wood. The thickness of the wood powder forming layer 30 may be formed in various ways as necessary, for example, may be formed from 0.08mm to 5mm. The wood flour is pulverized to have a particle size of about 40 mesh or less in an embodiment of the present invention.

The wood flour may be obtained from natural veneer, which is obtained from natural veneer but is difficult to slice into natural veneer, or from natural veneer by-products, which are difficult to slice further. to provide. In addition, by the above-described wood powder, the appearance pattern of the wood powder forming layer can be freely formed, and unlike the texture of natural wood veneer, the structure of the natural veneer finished board that can give a soft feeling such as pastel tones Obtained from the embodiment of the present invention.

A protective layer for increasing wear resistance, moisture resistance, or flame resistance may be further formed on the wood powder forming layer 30.

The adhesive layer 10 is formed on the back surface of the back contact layer 20 to make the back contact layer 20 have adhesive force. In addition, a silicon-impregnated release separation layer, which is positioned below the adhesive layer to temporarily protect the adhesive layer until the adhesive layer 10 is adhered to the adhesive target, is separated from the adhesive layer immediately before adhesion. It may be provided below the adhesive layer (10).

An example of manufacturing the finishing board of FIG. 1 is shown in FIG. 2. When the wood powder 31 of natural veneer wood material prepared in advance through the dispenser 40 is sprayed by compressed air, the wood powder 31 is applied on the upper contact layer 20. In this case, an adhesive may be applied to the backing layer 20 in advance. Subsequently, a hot air operation of drying and hardening wood powder is performed to obtain the wood powder forming layer 30, and a pressing press operation may be simultaneously performed if necessary. In addition, the upper portion of the wood powder forming layer 30 may be further formed of a UV coating layer or an inorganic transparent coating layer for the reinforcement of heat resistance, moisture resistance, or surface strength.

On the other hand, Figure 3 is a structural diagram of a decorative board having a printed layer on top of a wood flour or veneer layer according to another embodiment of the present invention. In FIG. 3, the release separation layer 8, the adhesive layer 10, the back contact layer 20, the veneer or wood layer 32, and the color printing layer 40 are formed in order from the bottom to the top.

The color printing layer 40 may be directly formed by printing a pattern and color on the upper portion of the backing layer 20 through a printing method such as a sublimation transfer method without forming the veneer or wood layer 32. .

In addition, the veneer or wood layer 32 may be such as plywood, laminated wood, medium density fiberboard, high density fiberboard, wood plastic composite, particle board and the like. In this case, if a surface layer such as a primer coating layer is formed on top of the wood layer 32, and a printing layer is formed on the surface layer, surface peeling is difficult and similar to the shape of natural veneer at a lower cost. The shape can be obtained. The paint forming the printed layer may be a polyurethane resin, a phthalic resin, a phenol resin, or the like.

A paper layer pressed by an adhesive press may be further provided between the wood layer 32 and the back contact layer 20 shown in FIG. 3. The paper constituting the paper layer may be a material selected from adji, Hanji, cardboard, non-woven fabric, silk yarn, cotton fabric and silk yarn fabric, the thickness may be 0.1 to 0.1mm.

The adhesive used in the adhesive press crimping may include 20 parts by weight of PVA-ET adhesive, 30 parts by weight of polyvinyl alcohol, 20 parts by weight of acrylic resin, 20 parts by weight of aqueous urethane hot melt adhesive, and 10 parts by weight of ethylene-vinylacetate. Can be used.

In addition, a transparent protective layer for layer protection may be coated on the upper portion of the color printing layer 40, and a fireproof layer or ceramic-epoxy PS coating layer for providing a flame retardant or non-flammable function on the upper portion of the transparent protective layer. This can be further coated.

The use of the finishing board of Figure 1 is extended from the use of strip wallpaper, wallpaper, floorboards, etc., can also be utilized as a point ornament attached to furniture and the like. In addition, it can be used as door frames, doors, mats, cushions, floorboards, and flooring. In addition, the use of the finishing board of Figure 3 will be useful as a feature such as strip wallpaper, wallpaper, floorboards and the like.

As obtained in the embodiment of the present invention, the surface-coated natural veneer finish board was attached to the place of use, and then evaluated for flame retardancy, there was no particular abnormality at 800 degrees Celsius. In addition, in order to test the waterproofness, a certain water pressure was applied to one surface of the finishing paper to measure the degree of water smearing on the opposite side, and water permeation was not observed on the opposite side. In addition, as a result of sounding at 1200dB on the finishing paper, it was confirmed that the noise was significantly reduced at the rear.

In addition, it has been found that it can be widely used as a furniture surface attachment paper, wallpaper, or interior and exterior finishing paper far beyond the application of conventional natural veneer sheet paper, thereby expanding its use range. In addition, the simplicity of handling and construction as a finishing paper is provided, and since the wood powder can be obtained from a relatively inexpensive natural patterned neck, or a desired pattern can be freely obtained through color printing, the burden on manufacturing cost will not be a big problem. Appeared.

In the above description, the embodiments of the present invention have been described with reference to the drawings, for example. However, it will be apparent to those skilled in the art that the present invention may be variously modified or changed within the scope of the technical idea of the present invention. . For example, when the case is different, the thickness or material of each layer may be variously changed, as well as the arrangement, adhesion between the layers, and the pattern may be variously modified or changed. It may also be possible to coat a flame retardant transparent inorganic material, for example, as a top protective layer.

1 is a structural diagram of a decorative board having a natural veneer wood flour formed on the surface according to an embodiment of the present invention

2 is a view showing an example of manufacturing the finishing board of Figure 1

3 is a structural diagram of a finishing board having a printed layer on top of a wood flour or veneer layer according to another embodiment of the present invention

Claims (5)

A backing layer for providing a finishing structure of the finishing board; The material is obtained from the grinding of natural veneer having a unique pattern and color depending on the species, and has a wood forming layer formed on top of the back contact layer to maintain a bonding force with each other. The method of claim 1, An adhesive layer formed on the back side of the backing layer so that the backing layer has adhesive force; Further comprising a release separation layer positioned below the adhesive layer to temporarily protect the adhesive layer until the adhesive layer is adhered to an adhesive target and separated from the adhesive layer immediately before adhesion. Structure of the finishing board. The structure of the finishing board according to claim 1, wherein a protective layer is further formed on top of the wood flour forming layer to increase wear resistance, moisture resistance, or flame resistance. A backing layer providing a finishing structure of the finishing board and functioning as a patterned printing paper; A printing layer printed on top of the backing layer to form a color printing pattern similar to natural veneer; An adhesive layer formed on the back side of the backing layer so that the backing layer has adhesive force; A release separation layer positioned below the adhesive layer to temporarily protect the adhesive layer until the adhesive layer is bonded to an adhesive target, and having a release separation layer separated from the adhesive layer immediately before bonding. The structure of the decorative board. In the method for manufacturing the finishing boards using a material collected from natural veneer, Preparing a backing layer to provide a finishing structure of the finishing board; Pulverizing natural veneer having a unique pattern and color according to the species to obtain wood powder of various colors; And spraying the wood powder on top of the backing layer to obtain a wood powder forming layer bonded to each other.

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