KR100948628B1 - Interior materials using digital printing technology and manufacturing method thereof - Google Patents

Abstract

PURPOSE: An adhesion type interior materials using digital printing technique and a method of manufacturing thereof are provided to vary the designs of interior materials by selectively printing a digital real image to a semi-product level of the interior materials. CONSTITUTION: A method of manufacturing adhesion type interior materials using digital printing technique comprises the following steps of: forming a base layer(10) by combining a PVC sheet and a PET film(11); combining a non-PE release paper(31) formed with paper processed with an adhesive in one side of the base layer to form an adhesive layer(30) for manufacturing a semi-product level of an interior material; digital printing an actual image to a transcription paper coated with an acrylic film(21); and transfer printing the transcription paper printed with the actual image to the other side of the base layer to form a printing layer(20) for producing a complete product level of the interior material.

Description

Interior materials using digital printing technology and manufacturing method

The present invention relates to a self-adhesive interior material using a digital printing technology and a method of manufacturing the same, and more particularly, by mass-producing interior materials in the semi-finished state except for the printing process, by printing the design in accordance with the needs of consumers, The present invention relates to a pressure-sensitive adhesive interior material using a digital printing technology capable of mass production and at the same time to produce a variety of interior materials and a method of manufacturing the same.

In general, the interior materials are attached to the wall, floor or ceiling of the room to decorate the room beautifully, and the situation is being developed in consideration of practicality, decoration and functionality.

In addition, in order to improve the aesthetic effect and quality of the interior materials due to the improvement of living standards, various chemicals are applied to the surface of the paper, and then various patterns are printed on the surface of the paper.

Until now, the interior material has been used as a product only by digital printing on a pressure-sensitive adhesive sheet made by laminating a PVC sheet by coating the pressure-sensitive adhesive on a PE (polyethylene) laminated release paper.

On the other hand, at the request of the consumer, a new transfer method of interior materials and manufacturing methods have been proposed in which a transparent PVC adhesive sheet is attached to a printed adhesive sheet to produce or adjust the gloss of a product.

However, the interior materials according to the above techniques have many problems in the shrinkage ratio of the sheet, etc., and have difficulty in producing the products due to the difficulty of actual work.

In addition, since the adhesive method is not an adhesive, problems such as durability could continue to occur.

In addition, general interior materials (architectural materials, decorative materials, etc.) utilizing conventional gravure printing generally have to be constructed by a professional contractor, and there are many inconveniences of securing various adhesives.

In addition, the conventional interior materials had to be commercialized through an adhesive treatment process after finishing the finished product, and had to undergo a process such as adhesive treatment, drying, and bonding aging.

Therefore, when the product was completed with a design that the customer did not want, the cost of the problem occurred because the interior material had to be manufactured again from the beginning, and it was difficult to produce a small quantity of various kinds of materials.

The present invention has been invented to solve the above problems, and after the mass production of interior materials in the semi-finished state excluding the printing process, by printing the design according to the needs of consumers, mass production is possible at the same time It is an object of the present invention to provide an adhesive interior material using a digital printing technology that can be produced and a method of manufacturing the same.

According to an aspect of the present invention for achieving the above object, a pressure-sensitive adhesive is disposed on the base layer, a printing layer which is located on the base layer and printed letters and patterns, and a pressure-sensitive adhesive on the bottom of the base layer A layered interior material, wherein the print layer is formed by digital printing by indirect printing or direct printing, and the adhesive layer is formed by forming a silicone coating layer on a release paper made of paper and coating an adhesive on the surface thereof. It is done.

Preferably, the print layer is characterized in that the design printed on the transfer paper through the digital printing on the base layer formed by transferring the high temperature, high pressure.

Preferably, the printing layer is formed by directly printing on the upper surface of the base layer through digital printing, characterized in that the acrylic film is coated thereon.

More preferably, the base layer is characterized in that the PET film and the PVC sheet is laminated.

In addition, the base layer is characterized in that formed by aging the white sheet for a certain time.

In addition, the pressure-sensitive adhesive is characterized in that the acrylic resin.

According to the production method of the present invention, a) producing a PVC sheet using a PVC calendar; b) plywood the PVC sheet and the PET film; c) treating the adhesive on the release paper; d) bonding the release paper to the surface of the PET film; And e) after the digital live printing on the transfer paper coated with an acrylic film, characterized in that it comprises the step of transfer printing on the PVC sheet.

Preferably, after the step e), further comprising the step of bonding the surface layer to the top of the printed layer, the pattern on the surface of the surface layer or embossed.

More preferably, the step b), after applying a polyurethane adhesive between the PVC sheet and the PET film, characterized in that the plywood.

According to the manufacturing method of the present invention, a) treating the pressure-sensitive adhesive on paper non-PE release paper; b) plywood the white sheet on the pressure-sensitive adhesive, and then aged for a predetermined time; c) digital live printing on the white sheet; d) plywood the surface sheet to the surface of the printed white sheet; And e) surface treating the surface sheet.

Preferably, the step c) after the digital live-printing on the acrylic paper coated transfer paper, characterized in that the transfer printing at high temperature, high pressure on the white sheet.

More preferably, step e) is characterized in that the embossing, metallic treatment, or hologram treatment.

According to the production method of the present invention, a) treating the adhesive on the release paper; b) plywood the white sheet on the pressure-sensitive adhesive, and then aged for a predetermined time; c) digital live printing on the white sheet; d) heat bonding a label layer to the surface of the printed white sheet; And e) surface treating the label layer.

Preferably, the step c) after the digital live-printing on the acrylic paper coated transfer paper, characterized in that the transfer printing at high temperature, high pressure on the white sheet.

More preferably, the release paper is characterized in that the non-PE release paper or polyester film of silicon coated paper material.

In addition, the label layer is characterized in that the UV coating is coated on one side, the cured polyester film bonded to the acrylic film or transparent PVC sheet through the adhesive on the other side.

Adhesive interior materials using the digital printing technology according to the present invention and a method of manufacturing the same after producing the interior material of the semi-finished state that performed only the adhesive treatment process on the base layer, by selectively digitally printing the design according to the customer's needs By completing the product, there is an effect that can produce a variety of interior materials with a suppressed rise in manufacturing costs.

That is, the present invention has the effect of producing a variety of interior materials in a short time at a low cost according to the customer's request.

Accordingly, it is possible to easily produce a customized DIY interior material according to the needs of consumers.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of a pressure-sensitive adhesive interior material and a manufacturing method using a digital printing technology according to the present invention.

1 is a schematic cross-sectional view showing a pressure-sensitive adhesive interior material using a digital printing technology according to the present invention.

As shown in FIG. 1, the adhesive interior material using the digital printing technology according to the present invention is an interior material for improving interior interior by being attached to a construction surface inside a building such as a flooring material, a wall covering material, a ceiling material, etc. (10), the print layer 20 is printed with letters and patterns to create an interior effect, and the pressure-sensitive adhesive layer 30 treated with a pressure-sensitive adhesive for attaching the interior material to the construction surface, such as walls, floors or ceilings .

The base layer 10 is positioned between the pressure-sensitive adhesive layer 30 and the printing layer 20, and is formed by laminating a PET (polyethylene terephthalate) film 11 and a polyvinyl chloride (PVC) sheet 12.

The base layer 10 may also be formed by aging a white sheet for printing for a certain time.

The PET film 11 does not have adhesiveness with the PVC sheet 12 because of its stable chemical properties, but in the present invention, after both surfaces of the PET film 11 are subjected to corona discharge treatment, one surface of the PET film 11 is present. The adhesive is coated on, and the PET film and the PVC sheet 12 are adhered using a pressure roller.

At this time, the adhesive coated between the PET film 11 and the PVC sheet 12 to bond the PET film 11 and the PVC sheet 12 is to use a hot melt adhesive (hotmelt) to shorten the adhesion time desirable.

The printing layer 20 may employ both a transfer method and an indirect printing method, which are indirect printing methods.

In the case of an indirect printing method, that is, a transfer method, it is used to print a somewhat complicated design, and the printed layer 20 is transferred to the PVC sheet 12 by a high temperature and high pressure on the transfer sheet.

In the case of the direct printing method, it is used when printing a good design, and the printed layer 20 is formed by printing directly on the upper surface of the base layer 10, that is, the PVC sheet 12 by using digital printing, and acrylic on the A reinforcing film such as film 21 is further attached to protect the printed layer 20.

As such, since the reinforcement film such as the acrylic film 21 is attached to the printing layer and printed by using digital printing, the workability is superior to the printing layer using the conventional live printing ink, the gloss control is easy, and various patterns Can be given.

On the other hand, the surface of the printed print layer 20 is completed by using a dry film (dryed film) process, it is possible to implement an environment-friendly workplace.

The pressure-sensitive adhesive layer 30 used a release paper made of polyethylene (PE), but the present invention uses a non-PE release paper 31, that is, a release paper other than a PE material. Here, the non-PE release paper 31 is a paper material, it is preferable to coat the silicone, which is a release material in order to give a release property of the pressure-sensitive adhesive and paper after the clay (clay) coating.

As such, since the pressure-sensitive adhesive layer 30 is made of non-PE release paper, it can be produced by processing at high temperature.

On the other hand, it is preferable that an adhesive uses acrylic resin for heat resistance.

At this time, the pressure-sensitive adhesive layer 30 was conventionally formed by performing an adhesive treatment in a final process, but in the present invention, after forming the base layer 10 by plywood the PET film 11 and the PVC sheet 12, the bottom surface thereof The adhesive layer 30 is formed. Then, the printed layer 20 is formed by using digital printing technology.

Finally, the reinforcing film 21 such as an acrylic film is bonded to the surface of the printing layer 20, and the surface is embossed to change the surface properties of the printing layer, thereby improving the interior effect.

Therefore, it is possible to produce a large amount of the interior material of the semi-finished product that has been performed only to the adhesive treatment process, and then to produce a variety of interior materials by printing and surface treatment of the design according to the customer's request.

Example 1

2A to 2C are cross-sectional views illustrating a manufacturing process of an interior wallpaper among interior materials using a digital printing technology according to a first embodiment of the present invention, and FIG. 3 is a manufacturing process of the interior wallpaper of FIGS. 2A to 2C. Is a block diagram schematically illustrating a method of manufacturing the interior wallpaper.

First, to produce a PVC sheet 111 through the PVC calender machine (S110).

Next, the base sheet 110 is formed by plywooding the PVC sheet 111 and the prepared PET film 112 using a laminating machine (S120). Plywood the PET film 112 on the PVC sheet 111 is to prevent the printing layer 120 to be printed later is stretched or deformed.

At this time, by applying a two-component polyurethane adhesive between the PVC sheet 111 and the PET film 112 and plywood, the bonding durability of the base layer 110 can be increased.

Then, after the adhesive 132 is formed on the release paper 131 to form the adhesive layer 130 (S130), the wallpaper of the semi-finished product, which is not printed, that is, the base layer 110 is bonded to the release paper 131 ( S140).

At this time, the release paper 131 is preferably used non-PE release paper or PET release paper.

Upon completion of the step S140, the interior material in the semi-finished state is completed. After that, the pattern design of the wallpaper is digitally printed on the transfer paper 121 coated with the acrylic film 122 prepared separately (S150). Subsequently, transfer printing is performed on the wallpaper fabric, that is, the PVC sheet 111 of the base layer 110 to form the print layer 120 (S160).

Next, the transfer paper 121 is removed (S170).

Finally, the surface layer 140 is adhered to the top of the printed layer 120 by plywood (S180), various patterns on the surface of the surface layer 140 or embossed to maximize the interior effect. That is, the surface layer 140 is surface treated to complete the interior wallpaper (S180). The surface layer 140 is made of a polyester film, UV-coated on the upper surface, the acrylic film or transparent PVC is bonded to the bottom by an adhesive is bonded to the upper portion of the printed layer 120, that is, the acrylic film 122.

As described above, according to the first embodiment of the present invention, since the semi-finished wallpaper composed of the base layer 110 and the pressure-sensitive adhesive layer 130 can be produced first, a large quantity can be produced at a high speed, and the semi-finished wallpaper can be produced. By digitally printing a variety of designs on the machine, you can produce products that meet your requirements. Therefore, it is possible to produce a large amount of products and at the same time can produce a variety of products.

Example 2

4A to 4C are cross-sectional views illustrating a manufacturing process of interior decor sheets of interior materials using a digital printing technology according to a second embodiment of the present invention, and FIG. 5 is a view of interior decor sheets of FIGS. 4A to 4C. As a block diagram schematically showing the manufacturing process, a manufacturing method of the interior decor sheet will be described below.

First, the pressure-sensitive adhesive layer 230 is formed by treating the pressure-sensitive adhesive 232 on the non-PE release paper 231 (S210). Then, plywood the white sheet 210 for printing on the pressure-sensitive adhesive layer 230 to mature for a predetermined time to form a base layer 210 (S220).

Subsequently, a character or a pattern is printed on the white sheet 220 using a digital live-printing machine according to a customer's order (S230). In this case, the printing method is preferably a transfer printing method, but in the case of a low-cost product, a direct printing method is also possible.

In the case of using a transfer printing method, a design is directly printed on a transfer paper 221 coated with an acrylic film 222 prepared separately using a digital printing machine, and the transfer paper 221 is stacked on a base layer 210, followed by high temperature and high pressure. Transfer to form a printed layer 220.

In the case of the transfer printing method, by printing a design required by the customer on the transfer paper 221 coated with the acrylic film 222, it is possible to obtain a product having excellent printability, vivid color, and high resolution.

In addition, it is possible to produce an environment-friendly product because the product is dried beforehand before the solvent is applied directly to the product without making the product.

Next, the transfer paper is removed (S240).

Next, the surface sheet 240 whose surface is strengthened is plywooded on the printing layer 220, that is, the acrylic film 222, using a plywood machine (S250). In this case, the surface sheet 240 may be, for example, a polyester film UV-coated on the upper surface and the acrylic film or transparent PVC sheet bonded to the bottom surface.

After plywood the surface sheet 240 on the print layer 220, the surface sheet 240 is surface-treated to complete the product (S260). At this time, the surface treatment using the embossing device to engrave a pattern desired by the customer on the surface sheet 240, or to give a metallic effect by a metallic treatment on the surface sheet 240, or surface sheet 240 Hologram (hologram) can be given to give a hologram effect.

As such, according to the second embodiment of the present invention, the semi-finished deco sheet made of the base layer 210 and the pressure-sensitive adhesive layer 230 is first produced, and then a desired design is printed or an additional interior effect is applied to the surface. can do. Therefore, it is possible to produce a large amount of products and at the same time can produce a variety of products.

Example 3

6A to 6C are cross-sectional views illustrating a manufacturing process of an interior tile sheet or a floor sheet among adhesive interior materials using a digital printing technology according to a third embodiment of the present invention, and FIG. 7 is a cross sectional view of FIGS. As a block diagram schematically illustrating a manufacturing process of the interior tile sheet or the floor sheet, a method of manufacturing the interior tile sheet or the floor sheet will be described below.

First, the pressure-sensitive adhesive layer 330 is formed on the release paper 331 to form the pressure-sensitive adhesive layer 330 (S310).

In this case, the release paper 331 uses a non-PE release paper or polyester film of a silicon coated paper material.

As in the second embodiment, the base layer 310 is formed by plywood the white sheet 310 for printing on the pressure-sensitive adhesive layer 330 for a certain time (S320).

Subsequently, the printing layer 320 is formed by printing letters or patterns on the white sheet 310 using a digital live-printing machine according to a customer's order (S330). At this time, in the case of a delicate design, the transfer printing method is preferable, but in the case of a general design, a direct printing method is also possible.

In the case of using a transfer printing method, a design is directly printed on the transfer paper 321 coated with the acrylic film 322 by using a digital printing machine, the transfer paper 321 is stacked on the base layer 310, and then transferred at high temperature and high pressure. To form the printed layer 320.

At this time, since the adhesion between the base layer 310 and the print layer 320 may be slightly difficult, it is preferable to attach a separate acrylic film in a transfer method in advance.

Next, the transfer paper 321 is removed (S340).

Next, the cover layer 340 is heat-bonded on the printing layer 330, that is, the acryl film 332, for durability of the tile sheet or the floor sheet (S340).

The cover layer 340 is a cured polyester film with a thick coating of UV paint to prevent shrinkage and deformation of the product and improved surface durability. The backside of the film is a dry laminating method using a two-component polyurethane adhesive. It is a layer to which transparent PVC is bonded or an acrylic film is bonded.

Finally, the cover layer 340 is surface-treated to complete the tile sheet (S350). This surface treatment can impart various patterns by embossing the cover layer 340 using an embossing machine.

As described above, according to the third embodiment of the present invention, the semi-finished tile sheet consisting of the base layer 310 and the pressure-sensitive adhesive layer 330 is first produced, followed by the printing layer 320 and the cover according to the design desired by the customer. Layer 340 may be formed. That is, it is possible to produce a large amount of products and at the same time can produce a variety of products. Thus, customized production is possible at a low price, which allows consumers to change the interior of the interior in a relatively short period (about 2 to 3 years).

The embodiments of the present invention described above are merely illustrative of the technical idea of the present invention, and the protection scope of the present invention should be interpreted by the following claims. In addition, one of ordinary skill in the art to which the present invention pertains will be capable of various modifications and variations without departing from the essential characteristics of the present invention, all technical ideas within the scope equivalent to the present invention of the present invention It should be interpreted as being included in the scope of rights.

1 is a schematic cross-sectional view showing a pressure-sensitive adhesive interior material using a digital printing technology according to the present invention,

2A to 2C are cross-sectional views illustrating a manufacturing process of an interior wallpaper among adhesive interior materials using a digital printing technology according to a first embodiment of the present invention;

3 is a block diagram schematically illustrating a manufacturing process of the interior wallpaper of FIGS. 2A to 2C;

4A to 4C are cross-sectional views illustrating interior decor sheets of an adhesive interior material using a digital printing technology according to a second embodiment of the present invention.

5 is a block diagram schematically illustrating a manufacturing process of the interior decor sheet of FIGS. 4A to 4C;

6A to 6C are cross-sectional views illustrating interior tile sheets or floor sheets of a sticky interior material using a digital printing technology according to a third embodiment of the present invention.

7 is a block diagram schematically illustrating a manufacturing process of the interior tile sheet or floor sheet of FIGS. 6A to 6C;

-Explanation of symbols for the main parts of the drawings-

10: base layer 11: PET film

12: PVC sheet 20: printed layer

21: acrylic film 30: pressure-sensitive adhesive layer

31: Release paper 32: Adhesive

110, 210, 310: base layer 111: PVC sheet

112: PET film 120, 220, 320: printed layer

121, 221, 321: Transfer paper 122, 222, 322: Acrylic film

130, 230, 330: adhesive layer 131, 231, 331: release paper

132, 232, 332: adhesive 240: surface sheet

340: cover layer

Claims (16)

a) plywood the PVC sheet and the PET film to form a base layer, and bonding the non-PE release paper made of a paper on which adhesive is treated to one surface of the base layer to form an adhesive layer to produce interior materials in a semi-finished state. ; And b) after the digital live-print printing on the transfer film coated with acrylic film, by transferring the printing on the other surface of the base layer at a high temperature, high pressure to form a printed layer, producing the interior material in the finished state The manufacturing method of the adhesive interior material using the digital printing technique. The method of claim 1, After the step b), bonding the surface layer on top of the printed layer, and the surface layer of the surface treatment method of producing a pressure-sensitive adhesive interior material using a digital printing technology, characterized in that it further comprises. The method of claim 2, The surface treatment is embossing, metallic treatment, or hologram treatment method of producing a pressure-sensitive adhesive interior material using a digital printing technology. The method of claim 2, The surface layer is coated with UV coating on one surface, the acrylic film or a transparent PVC sheet bonded to the transparent PVC sheet through the adhesive on the other side is a method for producing a pressure-sensitive adhesive interior material using a digital printing technology. The method of claim 1, The base layer is a method of manufacturing a pressure-sensitive adhesive interior material using a digital printing technology, characterized in that after coating a polyurethane adhesive between the PVC sheet and the PET film. The method of claim 1, The non-PE release paper is a method of manufacturing a self-adhesive interior material using a digital printing technology, characterized in that the coating of silicon. Adhesive interior material using the digital printing technique manufactured by the manufacturing method in any one of Claims 1-6. delete delete delete delete delete delete delete delete delete

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