KR20140055740A - Method for forming of an engraving design on the plate - Google Patents

Abstract

The present invention provides a high-grade furniture which is environmentally friendly and which is superior in quality and depth difference by forming a pattern of engraved on the painting surface directly by a relief-shaped roll on the uv coating instead of the conventional painted coating, A method for forming engraved patterns by embossing rolls on a coated surface of a plate material and a plate material decorated with engraved patterns obtained by the method. The plate material decorated with engraved patterns by the embossing rolls on the plate material coating surface of the present invention, A step of planarizing a surface of a plate to be patterned by removing a foreign substance on the surface by a surface treatment apparatus such as a vibration polishing machine; Performing a UV coating on the planarized plate to perform UV coating on the surface of the plate; Drying the applied UV topcoat through an ultraviolet lamp; Attaching a protective wrap to the dried coating surface; And a step of forming the engraved pattern by passing a plate of the dried paint having the protective wrap on the surface thereof through an embossed steel roller embossed with a specific pattern to be printed on the surface thereof.
According to the present invention having the above-described structure, the protective wrap is attached on the coated surface of the plate coated with the UV coating, and is continuously passed between the steel rollers on which the embossed pattern is to be formed, thereby forming the engraved pattern on the surface. And embossing film to prevent environmental pollution, it is possible to form a depressed pattern on the surface of the UV film physically without using the thickness variation of the environmentally-friendly and applied paint, so that the plate pattern becomes luxurious and the depth of the depression It is possible to freely express high grades or mattresses and to effectively prevent damage due to scratches or the like on the surface while providing a difference, thereby being an industrially useful invention for solving the above conventional problems.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming engraved patterns by embossing rolls on a plate material coated surface,

The present invention relates to a method of forming engraved patterns by a relief roll on a plate material coating surface and a plate material decorated with engraved patterns obtained therefrom. More specifically, the present invention relates to a plate material which is embossed on a U- A method of forming a engraving pattern by embossing rolls on a plate material coating surface, which can provide a high-grade furniture which is environmentally friendly and which is superior in quality and in depth difference by directly forming a pattern of engraved on the coating surface, It is about the plate decorated with pattern.

Conventionally, there have been proposed various methods for adding a high-quality texture or a specific pattern to the surface of plate materials of various kinds of materials such as plywood, medium-density fiberboard, hard board, Is limited to sanding through the undercoat and then applying a glossy or matte flat surface finish. In particular, in the industrial field to which the present invention belongs, as a method of forming the engraved pattern, there is a method of compressing the low pressure melamine (LPM) molding mainly by using a hot press, and a method of forming a polyurethane The LPM molding method can be applied only to a part of products due to a decrease in the production amount and an increase in the cost. However, the method using the polyurethane paint It is not suitable for automation, and the toxic substance called formaldehyde is generated in the paint for a long time and is not environmentally friendly.

For example, in Korean Patent Laid-Open Publication No. 2006-0093500, there is disclosed a method of forming engraved patterns on a plate having the above-mentioned characteristics, A step of forming a hummer layer by spraying a hummer mixed with a hardener on the surface of the adhered sheet so as to have a thickness of about 1 mm and a step of forming a hummer layer having a fine streak pattern on the upper surface of the hummer layer, A step of rolling the wood plate and the lid closely adhered by the above process to a drying chamber maintaining a temperature of about 25 캜 and laminating them, For about one minute to about one hundred and fifty (150) minutes, and a step of sequentially applying the dried cured hummer layer Going to step and that; the gadaga to middle parts of the foundation of the removed door one pairs to achieve manufacturing method of the wardrobe doors process is made up of mutually continuous fine protrusions successive to the surface formed with a homayika layer is felt by touch for dividing "discloses. However, the above method is disadvantageous in that the process is complicated and the desired indentation pattern is difficult to obtain and the production cost is high. For example, Korean Patent Application No. 2010-0032204 discloses a method for forming a pattern in addition to a conventional engraving pattern forming method as described above. In Korean Patent Application No. 2010-0032204, The upper roller shaft is mounted on both support rods and is formed into a cylindrical shape so as to be inserted into the upper roller shaft and rotated. An upper roller metal mold having a concavo-convex pattern formed on a surface of a roller mold so as to have a concavo-convex pattern formed of a pulp material; a lower roller mold mounted on both supports in a state in which the thickness of the upper roller mold and the plate material are maintained; A wood pulp feeding means for feeding wood pulp between the upper roller metal mold and the lower roller metal mold, A relief pattern decorative sheet made of a driving motor for driving a roller mold and a reducer for supporting the weight of the roller mold and a rotary pressure for furniture and interior decoration, A wood pulp plate layer formed on the upper surface of the base plate layer as a wood pulp layer and having a plurality of relief pattern embossing portions and relief pattern engraved portions formed on the surface of the wood pulp layer, A plurality of relief pattern embossing portions and relief pattern engraving portions are formed on the surface of the sheet material layer and a cavity layer is formed on the upper portion of the relief pattern embossing portions Without using an adhesive characterized by comprising a paper layer Korean Patent Application No. 2011-0140070 discloses a method for manufacturing a high-gloss panel having a three-dimensional pattern, which can produce an environment-friendly high-gloss panel having a plurality of steps, Discloses a high-gloss panel manufacturing method in which a surface of a panel is saved without reducing the gloss of the panel and a three-dimensional pattern capable of expressing various stereoscopic patterns is formed.

However, the above-described methods have a disadvantage in that it is difficult to effectively form various desired delicate patterns due to complicated processes, and the manufacturing cost is high and it is not environment-friendly. Particularly, as the demand for design and decorative materials is expanding, the desire for various designs becomes infinite. In response to this demand, supply of various types of plate materials is required, and various forms of engraved patterns are formed In a situation where the demand for plate materials is rapidly increasing, the above-mentioned conventional methods are insufficient in order to meet the above-mentioned demands more effectively and economically and to form environment-friendly engraving patterns, and therefore an effective solution It is a fact that is demanded.

Patent Document 1: Korean Patent Publication No. 2006-0093500 Patent Document 2: Korean Patent Application No. 2010-0032204 Patent Document 3: Korean Patent Application No. 2011-0140070

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a method for forming engraved patterns on the surface of a plate material by using an environmentally friendly method that does not generate toxic substances, The present invention provides a method of effectively securing the three-dimensional shape of the plate material and effectively protecting the engraved pattern formed in this way from damage during the distribution process, So as to provide a new method of forming the engraving pattern on the surface.

Another object of the present invention is to provide a plate decorated with engraved patterns obtained by a method of forming engraved patterns on the above-mentioned plate material coating surface.

The present invention may also be directed to accomplishing other objects that can be easily derived by those skilled in the art from the overall description of the present specification, other than the above-described and obvious objects.

According to another aspect of the present invention, there is provided a method of forming a relief pattern by a relief roll on a coating surface of a plate of the present invention,

A method of forming a negative pattern on a plate by a roller,

The method includes: planarizing a surface of a plate to be patterned by removing foreign substances on the surface by a surface treatment apparatus such as a vibration polisher;

Performing a UV coating on the planarized plate to perform UV coating on the surface of the plate;

Drying the coated film by passing the applied UV coating through an ultraviolet lamp;

Attaching a protective wrap to the dried coating surface; And

And forming the engraved pattern by passing a plate of the dried paint having the protective lap through the embossed steel roller embossed with a specific pattern to be printed on the surface thereof.

According to another aspect of the present invention, the protective wrap is attached using an aqueous adhesive.

According to another embodiment of the present invention, the aqueous adhesive to which the protective lap is attached is characterized in that an aqueous solution of sodium silicate, an aqueous solution of acrylic acid, an aqueous solution of vinyl acetate and an aqueous solution of ethylene vinyl acetate are used alone or in combination.

According to another embodiment of the present invention, the acrylic aqueous solution is selected from the group consisting of butylacrylate, methyl methacrylate, methacrylic acid, acrylic acid, 3-mercaptopropionic acid 3-Mercaptopropionic acid, and ammonium persulfate.

According to another embodiment of the present invention, the embossed steel roller has an embossed pattern thickness of 10 to 80 占 퐉, and a coating thickness of the UV top coating material is 30 to 100 占 퐉.

According to still another embodiment of the present invention, the UV paint comprises 50 to 60 parts by weight of dimethylpolysiloxane and 2 to 10 parts by weight of silica, 10 to 50 parts by weight of a colored pigment, 2 to 6 parts by weight of a photoinitiator, 0.5 to 2.0 parts by weight.

According to another aspect of the present invention, there is provided a plate material embossed with embossed patterns by a relief roll on a plate material coating surface of the present invention;

A step of planarizing the surface of the plate material on which the pattern is to be formed by removing foreign substances on the surface with a surface treatment apparatus such as a vibration polishing machine; Performing a UV coating on the planarized plate to perform UV coating on the surface of the plate; Drying the applied UV topcoat through an ultraviolet lamp; Attaching a protective wrap to the dried coating surface; And a step of forming the engraved pattern by passing a plate of the dried paint having the protective wrap on the surface thereof through an embossed steel roller embossed with a specific pattern to be printed on the surface thereof.

According to another aspect of the present invention, the plate material is used as a furniture exterior, interior, and interior and exterior materials for buildings.

The method of forming the engraved pattern by the embossing roll on the coating surface of the plate of the present invention having the above-described structure, and the plate material decorated with the engraved pattern obtained by this method, the protective wrap is attached on the coating film surface of the plate on which only the UV coating layer is formed It is possible to prevent the environmental pollution caused by the use of the conventional polyurethane film and embossing film by using the thickness variation of the coating material which is eco-friendly, because the engraving pattern is formed on the surface by passing continuously between the steel rollers on which the embossed pattern is to be formed. It provides high gradation of plate patterns and provides a difference in depth due to depth difference of engraving, freely expressing high gloss or matt, and effectively preventing damage due to surface scratches etc. Thereby solving the above-mentioned problems of the prior art, This excellent three-dimensional sheet plate surface and aesthetics by providing a simple and effective way to produce. Furthermore, the plate material having a high-grade taste and obtained by the above-described constitution of the present invention can be used as a furniture exterior material or a variety of interior and interior / exterior materials requiring a high quality of a product, which is industrially useful invention .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view schematically showing a step of forming engraved patterns on a plate material according to a preferred embodiment of the present invention by an embossed steel roller; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in more detail with reference to the accompanying drawings, by way of preferred embodiments. It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not to be construed as limiting the scope of the present invention. It will be self-evident.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view schematically showing a step of forming engraved patterns on a plate material according to a preferred embodiment of the present invention by an embossed steel roller; FIG.

According to the present invention, a method of forming engraved patterns on a plate by an embossed steel roll is a method of forming engraved patterns by a roller on a plate material coated with a UV paint, Then, the surface of the plate is coated with a UV paint on the surface of the plate while passing through a curtain coater roll, and then the ultraviolet lamp is applied. Dry. A protective wrap is then applied on the UV coating on the surface of the dried plate and then the plate B is pressed against the steel emboss roller 1 embossed with a specific pattern to be printed on its surface, And passing between the conveyor rollers 5 to press the pattern of the steel emboss roller onto the protective wrap (not shown) of the sheet material B to form engraved patterns on the surface of the sheet material.

According to a preferred embodiment of the present invention, the protective wrap according to the present invention can use a film in the form of a wrap, and the adhesive is preferably an aqueous adhesive. The use of an oil-based adhesive is not environmentally friendly and is not preferable because it can not provide an appropriate adhesive force. The aqueous adhesive may be a conventional aqueous adhesive used in the processing of plate materials, for example, an aqueous solution of sodium silicate, an aqueous solution of acrylic acid, an aqueous solution of vinyl acetate, or an aqueous solution of ethylene vinyl acetate. In addition, the aqueous adhesive may preferably contain a certain functional material such as coral, wherein the coral may comprise, for example, from 0.1 to 5% by weight, based on the total weight of the adhesive, Effect.

Most preferably, it is an aqueous acrylic acid solution containing about 1 to 3% by weight of coral, wherein the aqueous acrylic acid solution is in particular composed of butyl acrylate, methyl methacrylate, methacrylic acid, acrylic acid, 3-mercaptopropionic acid, ammonium persulfate . Since such an aqueous adhesive is used, the protective wraps according to the present invention are held on the surface of the plate with the most appropriate bonding force, thereby exhibiting the peeling resistance, peel strength and residual adhesion ratio which can effectively protect the surface in the subsequent pattern formation process, It is possible to perform far-infrared radiation and antibacterial action.

The amount of the aqueous adhesive to be applied is preferably 0.1 to 0.5 g / m 2 in terms of peel strength, residual adhesive ratio, and prevention of lifting. If it is less than 0.1 g / m 2, lifting of the protective wrap occurs, which is undesirable. If it exceeds 0.5 g / m 2, the peeling force is stronger than necessary and the adhesive may remain on the surface of the plate.

The water-based adhesive may be applied by a conventional method, preferably by a roller or a spray method. The amount of application of the water-based adhesive may be determined by the protective wrap according to the present invention attached on the UV coating, It is preferable that the applied amount be such that the adhesive is adhered to the article so that it can be easily removed with an appropriate force before use.

According to another embodiment of the present invention, the UV paints according to the present invention may comprise 50 to 60 parts by weight of dimethylpolysiloxane, 2 to 10 parts by weight of silica, 10 to 50 parts by weight of colored pigments, 6 parts by weight, and 0.5 to 2.0 parts by weight of a thickener.

As described above, in the present invention, since a colored pigment of a desired color is suitably blended to give a desired color to a plate material, a beautiful and luxurious furniture or interior plate can be provided.

According to a preferred embodiment of the present invention, it is preferable that the embossed steel roller has an embossed pattern thickness of 10 to 80 탆, and the coating thickness of the UV top coating is 30 to 100 탆.

The UV coating according to the present invention has a function of preventing discoloration of the plate by blocking ultraviolet rays and strengthening the surface of the plate. Therefore, in order to effectively perform the function, the UV coating is coated with a thickness of 30 to 100 탆 Thereby forming a protective layer having a constant thickness. Therefore, the depth of the embossed pattern of the embossed steel roller, that is, the thickness of the UV coating film on which the pattern is formed is 30 to 100 mu m, so that the thickness is 10 to 80 mu m This is because if the difference is less than 20 탆, the coating-cured UV coating layer may crack during use, which is undesirable. If the thickness of the UV coating film is more than 100 탆, the production process becomes difficult and the manufacturing cost increases, which is not preferable.

According to a preferred embodiment of the present invention, the pressure of the embossed steel roller for forming the engraved pattern on the surface of the sheet material is such that the surface wrap is not worn out, To 180 kgf / cm < 2 >.

The process of forming the engraved pattern on the plate according to the present invention comprising the steps as described above is a process of applying a UV paint on a plate material B by a curtain coater (not shown), passing through an ultraviolet lamp to form a high- The surface dry state is not hard and is in a soft state during the process of generating high heat during the drying of the UV lamp and the heat of the lamp when the lamp is heated. Therefore, by the steel emboss roller according to the present invention, ) Passes through the embossing roller (1) continuously through the conveyor belt (5), and engraved patterns are formed on the surface of the embossing roller (1). Since the whole process is produced by a continuous production process by an inline process, So that the production cost can be lowered.

A mercury lamp or a xenon lamp is used as the ultraviolet lamp, and a lamp wavelength of 350 to 400 is used. An irradiation dose is in the range of 500 to 1,100 mJ, preferably 600 to 900 mJ, It can range from 1 second to 40 seconds. If the irradiation dose is less than 500 mJ or the irradiation time is less than 1 second, sufficient curing is not performed and a coating layer having a desired strength can not be formed. If the irradiation dose exceeds 1,100 mJ or the irradiation time exceeds 40 seconds , The coating layer may be discolored, or the coating layer may be fragile, and may be hardened too hardly to form a pattern, which is undesirable.

In addition, the UV coating method can be carried out by a method well known to those skilled in the art and can be carried out by a spray or a roller, although not particularly limited thereto. And therefore, detailed description thereof will be omitted here.

According to another embodiment of the present invention, the above-mentioned colored paints include a mixture of an unsaturated polyester resin, a styrene monomer, a colored pigment, trimethylolpropane triacrylate, a photoinitiator and a non-silicone additive Can be used.

As described in detail above, the method of forming the engraved pattern by the embossing roll on the plate material coating surface of the present invention is a method of forming a pattern by applying a conventional polyurethane paint onto the plate material surface and compressing the same by using an embossing film Or a method in which a uniform pattern for bending a high-gloss surface is formed by using a falling deviation of a paint when a coated paint is dropped using a curtain coater, It is possible to freely express the high gloss or the matt, and effectively protect the coated surface from damage due to scratches or the like while providing a difference in depth due to the depth difference of the engraved surface. Particularly, in the present invention, the UV coating layer is formed by the above-mentioned constitution, and the protective wraps are bonded with a specific adhesive thereon, and the pattern is formed by pressing with a suitable pressure by the embossed steel roller, The joining condition of the wraps can be the core of the invention. This is because when a protective film is bonded on a coating film formed by a paint and pressed to form a crater pattern on the surface thereof, the protective film does not damage the surface pattern Because it is almost impossible to remove it effectively. Accordingly, in the present invention, by providing the above-mentioned constitution range, the problem of lifting of the protective lap is not generated at all, and the joining strength of the lap peeling is easily provided after forming the engraved pattern on the surface of the plate material.

It is to be understood that the embodiments described above are merely illustrative of the present invention in detail and that various changes or modifications within the context thereof may be suggested by those skilled in the art, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Modifications will fall within the scope of the claims recited.

1 --- Embossed roller
5 --- Conveyor roller
B --- plate

Claims (6)

A method of forming a negative pattern on a plate by a roller,
The method includes: planarizing a surface of a plate to be patterned by removing foreign substances on the surface by a surface treatment apparatus such as a vibration polisher;
Performing a UV coating on the planarized plate to perform UV coating on the surface of the plate;
Drying the coated film by passing the applied UV coating through an ultraviolet lamp;
Attaching a protective wrap to the dried coating surface; And
Wherein the step of forming the engraved pattern comprises passing the embossed steel roller embossed with a specific pattern to be printed on the surface of the plate of the dried painted material to which the protective wrap is attached, A method for forming a pattern.
The method of claim 1, wherein the protective wrap is attached using an aqueous adhesive selected from aqueous sodium silicate solution, aqueous acrylic acid solution, aqueous vinyl acetate solution and aqueous ethylene vinyl acetate solution. How to.
3. The method of claim 2, wherein the aqueous acrylic acid solution is selected from the group consisting of butylacrylate, methyl methacrylate, methacrylic acid, acrylic acid, 3-mercaptopropionic acid, acid, and ammonium persulfate. The method of forming the engraved pattern by a relief roll on a coating surface of a plate material.
The method as claimed in claim 1, wherein the embossed steel roller has an embossed pattern thickness of 10 to 80 占 퐉 and a coating thickness of the UV top coating is 30 to 100 占 퐉. How to.
The UV paint according to claim 1, wherein 50 to 60 parts by weight of dimethylpolysiloxane, 2 to 10 parts by weight of silica, 10 to 50 parts by weight of a color pigment, 2 to 6 parts by weight of a photoinitiator, 0.5 to 2.0 parts by weight of a thickener, Wherein the engraved pattern is formed by a relief roll on the plate material coating surface.
A plate material according to any one of claims 1 to 5, which is obtained by a method of forming engraved patterns on a coated surface by a relief roll.

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