KR20040009558A - Manufacturing Method of Color Metal Photograph and That Photograph made by The Method - Google Patents
Manufacturing Method of Color Metal Photograph and That Photograph made by The Method Download PDFInfo
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- KR20040009558A KR20040009558A KR1020020043554A KR20020043554A KR20040009558A KR 20040009558 A KR20040009558 A KR 20040009558A KR 1020020043554 A KR1020020043554 A KR 1020020043554A KR 20020043554 A KR20020043554 A KR 20020043554A KR 20040009558 A KR20040009558 A KR 20040009558A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B41M5/5281—Polyurethanes or polyureas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
- B44C1/105—Applying flat materials, e.g. leaflets, pieces of fabrics comprising an adhesive layer
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
Abstract
Description
본 발명은 칼라금속사진을 제작하는 방법 및 상기 방법에 의하여 제작된 칼라금속사진에 관한 것으로서, 보다 상세하게는 사진 이미지가 칼라 프린팅 된 투명한 합성수지 필름을 금속판넬에 점착제를 이용하여 부착하고, 폴리우레탄 도료를 도포하여 칼라금속사진을 제작하는 방법 및 상기 방법에 의하여 제작된 칼라금속사진에 관한 것이다.The present invention relates to a method for producing a color metal picture and to a color metal picture produced by the above method, and more particularly, a transparent synthetic resin film having a color image printed thereon is attached to a metal panel using an adhesive, and a polyurethane It relates to a method for producing a color metal picture by applying a paint and a color metal picture produced by the method.
종래 금속판에 칼라 문양이나 사진 등의 이미지를 형성하는 방법으로는 스크린 인쇄하는 방법이나 전사 나염에 의한 방법이 알려져 있다.BACKGROUND ART Conventionally, as a method of forming an image such as a color pattern or a photograph on a metal plate, a screen printing method or a method by transfer printing is known.
스크린 인쇄에 의하여 금속판에 칼라문양이나 사진을 형성하는 방법은 색상 수에 따라 여러번 인쇄작업을 수행하여야 하므로 작업과정이 복잡하고 번거로우며, 금속표면에 잉크의 침투가 어려워서 색상이 선명하지 못한 결점이 있다.The method of forming color patterns or photographs on the metal plate by screen printing is complicated and cumbersome because the printing process must be performed several times depending on the number of colors, and it is difficult to penetrate the ink on the metal surface, so the color is not clear. .
전사 나염에 의하여 금속판에 칼라문양이나 사진 이미지를 형성하는 방법도 금속표면에 전사 코팅 층을 형성하고, 전사지에 이미지를 출력하여 가열 가압하여 전사코팅 층으로 전사하고, 전사지를 제거하는 복잡한 공정을 수행해야 하는 불편함과 비용이 많이 소요되는 결점이 있다.A method of forming a color pattern or a photographic image on a metal plate by transfer printing also forms a transfer coating layer on the metal surface, outputs the image on the transfer paper, heats and presses the transfer to the transfer coating layer, and performs a complicated process of removing the transfer paper. There are inconveniences and costly drawbacks to do.
상기와 같은 복잡한 공정을 제거하고, 간단하며 저비용으로 컬러문양이나 사진 이미지를 금속판에 형성하는 방법으로 금속표면에 필름을 부착하는 방법이 알려져 있다. 그러나 상기의 필름을 부착하는 방법은 다품종 소량생산이 가능하고, 제작이 용이한 장점이 있으나, 필름과 금속판 간의 결합력이 약하여 쉽게 분리되는 결점이 있다.A method of attaching a film to a metal surface is known by removing the above complicated process and forming a color pattern or a photographic image on a metal plate at a simple and low cost. However, the method of attaching the film is capable of producing small quantities of various products and has an advantage of easy production, but has a drawback of being easily separated due to a weak bonding force between the film and the metal plate.
또한, 상기의 방법들은 금속판 표면이 부착된 필름이나, 잉크에 의하여 가려지므로 미려한 금속의 질감을 나타내지 못하고, 금속판은 단지 내구성을 갖는 바닦지지판의 기능밖에 할 수 없는 결점이 있다.In addition, the above methods have a drawback in that the metal plate surface is covered by an ink or an ink, and thus does not exhibit a beautiful metal texture, and the metal plate can only function as a durable support plate.
본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 사진이미지가 인쇄된 필름을 금속판에 견고하게 부착하여 저렴한 비용으로 칼라금속사진을 제작하는 방법을 제공하는 것을 목적으로 한다.The present invention is to solve the above problems, an object of the present invention is to provide a method for producing a color metal picture at a low cost by firmly attaching a film printed photographic image to a metal plate.
또한 본 발명은 칼라문양이나 사진 이미지가 인쇄된 투명한 필름을 사용하고, 표면에 엠보싱 코팅을 하여 금속판 자체에 사진 이미지가 인쇄된 것과 같은 질감을 나타낼 수 있는 칼라금속사진을 제작하는 방법을 제공하는 것을 목적으로 한다.In another aspect, the present invention is to provide a method for producing a color metal picture that can exhibit the same texture as the photographic image printed on the metal plate itself by using a transparent film printed with a color pattern or photographic image, and the embossed coating on the surface. The purpose.
또한, 본 발명은 상기의 방법에 의하여 제작된 칼라금속사진을 제공하는 것을 목적으로 한다.In addition, an object of the present invention is to provide a color metal picture produced by the above method.
도1은 본 발명의 일 실시예에 칼라 금속 사진을 제작하는 고정을 설명하는 공정도1 is a process diagram illustrating the fixing to produce a color metal picture in one embodiment of the present invention;
도2는 본 발명의 일 실시예에 의한 제작방법에 의하여 제작된 칼라 금속 사진의 단면도Figure 2 is a cross-sectional view of the color metal picture produced by the manufacturing method according to an embodiment of the present invention
도3은 본 발명에 의한 칼라금속 사진의 제작방법에 의하여 제작된 사진의 예시도Figure 3 is an exemplary view of a photograph produced by the method for producing a color metal photograph according to the present invention
<부호의 간단한 설명><Short description of symbols>
10 금속판20점착제 층10 metal plate 20 adhesive layer
30합성수지 필름40인쇄 이미지30 Synthetic Resin Film 40 Printed Image
50폴리우레탄 도료 층60폴리우레탄 도료 엠보싱 층50 Polyurethane Paint Layer 60 Polyurethane Paint Embossing Layer
본 발명에 의한 칼라금속사진을 제작하는 방법은, 금속판넬의 일 표면을 폴리싱(polishing)하는 폴리싱단계와, 상기 폴리싱된 표면을 탈지하는 탈지단계와, 상기 탈지된 표면에 투명한 점착제(cohesive material)를 도포하는 도포단계와, 이미지가 인쇄된 투명한 합성수지제 필름을 상기 금속판넬의 점착제가 도포된 표면에 가압하여 부착시키는 압착단계와, 상기 필름이 부착된 금속판넬의 표면에 투명한 폴리우레탄 도료를 디핑(dipping)에 의하여 도포하는 도포단계를 포함하는 것을 특징으로 한다.The method for producing a color metal photograph according to the present invention includes a polishing step of polishing one surface of a metal panel, a degreasing step of degreasing the polished surface, and a transparent cohesive material on the degreased surface. A coating step of applying a coating material, a pressing step of attaching the transparent synthetic resin film on which the image is printed to the surface on which the pressure-sensitive adhesive of the metal panel is applied, and a dipping transparent polyurethane paint on the surface of the metal panel to which the film is attached. It characterized in that it comprises a coating step of applying by (dipping).
또한 본 발명에 의한 칼라금속사진을 제작하는 방법은, 상기 압착단계와 상기 도포단계 사이에 상기 필름이 부착된 금속판넬을 130° 내지 145°범위의 온도에서 30 내지 40분간 열풍건조하는 건조단계를 더 포함하는 것을 특징으로 한다.In addition, the method for producing a color metal picture according to the present invention, the drying step of drying the hot-air drying for 30 to 40 minutes at a temperature of 130 ° to 145 ° metal panel attached to the film between the pressing step and the coating step It further comprises.
또한 본 발명에 의한 칼라금속사진을 제작하는 방법은, 상기 도포단계 다음에 필름이 부착된 표면에 투명한 폴리우레탄 도료를 스프레이 건으로 분사하여 엠보싱 코팅을 하는 엠보싱코팅단계를 더 포함하는 것을 특징으로 한다.In addition, the method for producing a color metal picture according to the present invention, after the coating step is characterized in that it further comprises an embossing coating step of spraying a transparent polyurethane paint on the surface to which the film is attached with a spray gun to emboss coating.
또한 본 발명에 의한 칼라금속사진을 제작하는 방법은, 상기 이미지가 인쇄된 합성수지제 필름은 145° 내지 155°의 범위에서 20 내지 40분간 열풍 건조된 필름인 것을 특징으로 한다.In addition, the method for producing a color metal picture according to the present invention, the synthetic resin film is printed image is characterized in that the film is hot-air dried for 20 to 40 minutes in the range of 145 ° to 155 °.
본 발명에 의한 칼라금속사진을 제작하는 방법은 공정이 간단하여 제작 비용이 저렴하며, 특히 금속판과 필름의 접착력이 우수하여 쉽게 분리되지 않고, 투명한 필름을 사용하므로 금속판의 질감을 그대로 나타낼 수 있어서, 금속판에 직접 인쇄된 것과 같은 질감을 얻을 수 있게 된다.The method for producing a color metal picture according to the present invention is simple and the production cost is low, and in particular, the adhesion between the metal plate and the film is not easily separated due to the excellent adhesion between the metal plate and the film, so that the texture of the metal plate can be represented as it is, The texture can be obtained as printed directly on a metal plate.
본 발명에 의한 칼라금속사진은, 폴리싱되고 탈지된 표면을 갖는 금속판넬과, 상기 표면 상에 도포된 투명한 점착체 층과, 상기 첨착제 층의 상부에 압착된 이미지가 인쇄된 투명한 합성수지제 필름과, 상기 필름이 부착된 금속판넬의 표면에 도포된 투명한 폴리우레탄 도료층을 포함하는 것을 특징으로 한다.The color metal photograph according to the present invention includes a metal panel having a polished and degreased surface, a transparent pressure-sensitive adhesive layer applied on the surface, a transparent synthetic resin film printed with an image compressed on top of the adhesive layer, and It is characterized in that it comprises a transparent polyurethane paint layer applied to the surface of the metal panel to which the film is attached.
본 발명에 의한 칼라금속사진은, 필름이 부착된 표면상에 스프레이 건으로 분사되어 엠보싱 코팅된 투명한 폴리우레탄 도료층을 더 포함하는 것을 특징으로 한다.The color metal photograph according to the present invention is characterized in that it further comprises a transparent polyurethane coating layer embossed by spraying a spray gun on the surface to which the film is attached.
본 발명에 의한 칼라금속사진은 금속판에 사진이 직접 인쇄된 것과 같은 질감을 갖고, 이미지가 인쇄된 필름이 쉽게 박리되지 않고, 색상이 변색되지 않아서 장기간 사용할 수 있다.The color metal photograph according to the present invention has a texture such that photographs are printed directly on a metal plate, and the film on which the image is printed is not easily peeled off and color does not change color, so that it can be used for a long time.
이하에서는 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도1은 본 발명의 일 실시예에 칼라 금속 사진을 제작하는 고정을 설명하는 공정도이고, 도2는 본 발명의 일 실시예에 의한 제작방법에 의하여 제작된 칼라 금속 사진의 단면도이며, 도3은 본 발명에 의한 칼라금속 사진의 제작방법에 의하여 제작된 사진의 예시도이다.Figure 1 is a process diagram illustrating the fixing of producing a color metal picture in one embodiment of the present invention, Figure 2 is a cross-sectional view of the color metal picture produced by the manufacturing method according to an embodiment of the present invention, Figure 3 It is an exemplary view of a photograph produced by the method for producing a color metal photograph according to the present invention.
도3에 도시된 것과 같이, 본 발명에 의한 칼라금속사진은 금속판(B)에 인쇄된 사진 이미지(I)를 갖는 필름이 점착제에 의하여 부착되어 있고, 필름의 표면에 폴리우레탄 도료가 코팅되어 있다.As shown in Fig. 3, in the color metal photograph according to the present invention, a film having a photographic image (I) printed on the metal plate (B) is attached by an adhesive, and a polyurethane paint is coated on the surface of the film. .
도2는 본 발명의 바람직한 실시예에 의한 칼라금속사진의 단면도이다. 도2에 도시된 것과 같이, 금속판(10)의 상부에는 점착제(20)가 도포되어 있다. 금속판(10)은 황동판, 알루미늄판, 스테인레스판 등이 사용된다. 금속판의 표면은 매끈하게 폴리싱 되어 있으며, 점착제(20)의 도포 전에 탈지처리를 하여 금속표면의 불순물을 제거한다.2 is a cross-sectional view of a color metal picture according to a preferred embodiment of the present invention. As shown in FIG. 2, an adhesive 20 is applied to the upper portion of the metal plate 10. The metal plate 10 may be a brass plate, an aluminum plate, a stainless plate, or the like. The surface of the metal plate is polished smoothly, and degreasing treatment is performed prior to the application of the pressure-sensitive adhesive 20 to remove impurities from the metal surface.
점착제(cohesive material)는 투명한 것을 사용하여야 금속표면의 질감을 시각적으로 인식하게 할 수 있다. 본 발명의 일 실시예에서는 점착제로 상업적으로 구입이 가능한 3M사에서 제조하는 457MP 점착제를 사용하였다. 특히 점착제 층의 두께는 이미지가 금속판에 직접 인쇄된 것과 같은 질감을 얻기 위하여는 균일한 두께를 갖고, 적당한 두께로 제한되는 것이 바람직하다. 그 두께는 바람직하게는 50㎛ 이하로 하는 것이 좋다.Cohesive materials must be transparent to provide a visual recognition of the texture of the metal surface. In one embodiment of the present invention used a 457MP pressure-sensitive adhesive manufactured by 3M company that can be commercially available as pressure-sensitive adhesive. In particular, the thickness of the pressure-sensitive adhesive layer preferably has a uniform thickness in order to obtain a texture such that the image is printed directly on the metal plate, and is preferably limited to an appropriate thickness. Preferably the thickness is 50 micrometers or less.
상기 점착제(20) 층의 상부에는 이미지가 인쇄된 필름(30)이 점착제 층에 가압되어 부착되어 있다. 필름(30)은 합성수지로 제작되며, 특히 폴리에틸렌 필름을 사용하는 것이 바람직하다. 필름에 이미지를 인쇄하는 방법은 여러가지가 있으나, 컴퓨터에서 스캔한 이미지를 처리하여 칼라 레이져 프린터로 출력한 것을 사용하는 것이 바람직하다. 레이져 프린터로 이미지 프로세싱하여 출력하는 것이 다품종 소량 생산에 적합하기 때문이다.On the upper portion of the pressure-sensitive adhesive 20 layer, a film 30 on which an image is printed is attached to the pressure-sensitive adhesive layer. The film 30 is made of synthetic resin, and it is particularly preferable to use a polyethylene film. There are many ways to print an image on film, but it is preferable to use an image scanned by a computer and output to a color laser printer. Image processing and output to a laser printer is ideal for small batch production.
상기 이미지가 인쇄된 필름의 표면은 투명한 폴리우레탄 도료를 디핑(dipping) 방법으로 도포(코팅)된다. 상기 코팅된 폴리우레탄 도료 층의 상부에는 인쇄된 이미지에 입체감과 금속판의 질감을 강조하기 위하여 폴리우레탄 도료를 스프레이 건으로 분사하여 엠보싱 코팅(60)을 하는 것이 바람직하다. 엠보싱 코팅된 분산된 폴리우레탄의 직경은 4 ㎛ 내지 6 ㎛ 범위에 있는 것이 바람직하다.The surface of the film on which the image is printed is applied (coated) with a transparent polyurethane paint by dipping. On top of the coated polyurethane paint layer is preferably embossed coating 60 by spraying a polyurethane paint with a spray gun to emphasize the three-dimensional and texture of the metal plate in the printed image. The diameter of the embossed coated dispersed polyurethane is preferably in the range of 4 μm to 6 μm.
이하에서는 도2에 도시된 것과 같은 칼라금속사진을 제작하는 공정에 대하여 설명한다. 도1에 도시된 것과 같이, 먼저 투명 필름을 준비한다(S10). 투명 필름은 앞에서 설명한 것과 같이, 폴리에틸렌으로 된 것을 사용하는 것이 바람직하다. 다음으로, 투명필름에 원하는 이미지를 레이저 프린터로 출력하여 인쇄한다(S20). 물론 레이저 프린터 이외의 방법으로 인쇄하여도 무방한다. 다음으로, 이미지가 인쇄된 필름을 145 °C 내지 155°C 범위의 온도에서 20분 내지 30분 간 열풍건조한다(S30). 상기 열풍건조(S30)에 의해서 필름의 표면에 남아 있는 인쇄시 사용된 물질을 제거하여 점착제에 의한 점착을 용이하게 한다. 그러나 필름의 인쇄 상태에 따라서 상기 열풍건조 공정은 생략이 가능하다.Hereinafter, a process of manufacturing a color metal picture as shown in FIG. 2 will be described. As shown in Figure 1, first prepare a transparent film (S10). As described above, the transparent film is preferably made of polyethylene. Next, the desired image on the transparent film is output to the laser printer and printed (S20). Of course, you may print by methods other than a laser printer. Next, the image-printed film is hot-air dried for 20 to 30 minutes at a temperature in the range of 145 ° C to 155 ° C (S30). The hot air drying (S30) to remove the material used in the printing remaining on the surface of the film to facilitate the adhesion by the pressure-sensitive adhesive. However, the hot air drying process may be omitted depending on the printing state of the film.
한편, 상기의 이미지가 인쇄된 필름을 부착할 금속판을 준비한다(S40). 준비된 금속판의 필름이 부착된 면을 폴리싱(polishing)한다. 다음으로, 폴리싱된 면에 남아 있는 광택제 등의 불순물을 제거하고, 점착제의 점착을 용이하게 하기 위하여 탈지공정을 수행한다(S60). 탈지공정에는 유기용제(AC, XYLEN)를 사용한다. 표면의 불순물 제거 상태를 점검하여 탈지공정을 원하는 청결도를 얻을 때까지 반복시행하여도 좋다. 다음으로, 상기 청결하게 된 금속의 표면에 점착제를 도포한다(S70). 이 때, 점착제 층에는 기포가 발생하지 않도록 로울러로 가압하면서 점착제가 붙어있는 이형지를 제거하는 장치(라미네이터)를 사용하는 것이 바람직하다.On the other hand, to prepare a metal plate to attach the film on which the image is printed (S40). The film-coated side of the prepared metal plate is polished. Next, to remove impurities such as a polishing agent remaining on the polished surface, and performing a degreasing process to facilitate the adhesion of the pressure-sensitive adhesive (S60). Organic solvents (AC, XYLEN) are used in the degreasing process. The surface removal of impurities may be checked and the degreasing process may be repeated until the desired cleanliness is achieved. Next, the pressure-sensitive adhesive is applied to the surface of the clean metal (S70). At this time, it is preferable to use the apparatus (laminator) which removes the release paper which an adhesive adhered, pressurizing with a roller so that an adhesive layer may not generate | occur | produce a bubble.
다음으로, 이미지가 인쇄된 필름을 상기 금속판넬의 점착제가 도포된 면에 가압하여 부착한다(S80). 이 때에도 기포가 발생하지 않도록 라미네이터를 사용하여 압착하는 것이 바람직하다. 다음으로, 필름이 압착된 금속판을 점착력을 강화하기 위하여 130°C 내지 145°C 범위의 온도에서 약 40분간 열풍 건조한다(S90). 상기 열풍 건조 공정(S90)은 필름의 점착 상태에 따라서 생략할 수 도 있다. 다음으로, 필름의 인쇄면을 보호하기 위하여 투명한 재질의 폴리우레탄 도료를 도포한다(S100). 도포는 균일한 도포면을 얻기 위하여 디핑(dipping) 방법에 의하여 행한다. 다음으로, 상기 폴리우레탄 도포층 상에 엠보싱 코팅을 행한다(S110). 엠보싱 코팅은 스프레이 건으로 폴리우레탄 도료를 분사하여 폴리우레탄 입자가 디핑에 의하여 코딩된 폴리우레탄 표면에 반구형상으로 일정한 간격을 두고 부착되게하여, 인쇄된 이미지가 금속표면에 직접 인쇄된 것과 같은 시각적인 효과를 제공한다. 즉, 빛이 엠보싱 코팅 층에서 산란을 일으켜 인쇄된 이미지에 입체감을 주고, 질감을 좋게한다. 다음으로 완성된 칼라금속사진을 적당한 형상으로 절단한다(S120). 절단은 재단기나 금형을 이용하여 타발하여 행한다.Next, the film on which the image is printed is attached to the surface on which the pressure-sensitive adhesive of the metal panel is applied (S80). At this time, it is preferable to compress by using a laminator so that bubbles are not generated. Next, the hot-air dried for about 40 minutes at a temperature in the range of 130 ° C to 145 ° C in order to enhance the adhesive strength of the metal plate is pressed film (S90). The hot air drying step (S90) may be omitted depending on the adhesive state of the film. Next, in order to protect the printing surface of the film is coated with a polyurethane paint of a transparent material (S100). Application is carried out by a dipping method to obtain a uniform application surface. Next, embossing coating is performed on the polyurethane coating layer (S110). Embossing coatings spray polyurethane paint with a spray gun, which allows the polyurethane particles to be attached at regular intervals in a hemispherical shape to the surface of the polyurethane, which is coded by dipping, so that the printed image is printed directly on the metal surface. To provide. That is, light causes scattering in the embossed coating layer, giving a three-dimensional effect to the printed image and improving the texture. Next, the finished color metal picture is cut into suitable shapes (S120). Cutting is carried out using a cutting machine or a die.
본 발명에 의하면, 인쇄된 필름을 강한 결합력으로 금속판에 부착할 수 있게되어 쉽게 벗겨지지 않는 칼라금속사진을 저비용의 간단한 공정으로 제공할 수 있게 된다.According to the present invention, the printed film can be attached to the metal plate with a strong bonding force, thereby providing a color metal photograph which is not easily peeled off in a simple process at low cost.
또한 본 발명에 의하면, 칼라문양이나 사진 이미지가 인쇄된 투명한 필름을 사용하고, 엠보싱 폴리우레탄 코팅을 하여 금속판 자체에 사진 이미지가 인쇄된 것과 같은 질감을 갖는 칼라금속사진을 제공하게 된다.In addition, according to the present invention, by using a transparent film printed with a color pattern or a photographic image, and by applying an embossed polyurethane coating to provide a color metal photograph having a texture such that the photographic image is printed on the metal plate itself.
Claims (6)
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