KR20080027527A - The method of forming protecting film on it ornamented by treatment of metal plate surface - Google Patents

The method of forming protecting film on it ornamented by treatment of metal plate surface Download PDF

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Publication number
KR20080027527A
KR20080027527A KR1020060092678A KR20060092678A KR20080027527A KR 20080027527 A KR20080027527 A KR 20080027527A KR 1020060092678 A KR1020060092678 A KR 1020060092678A KR 20060092678 A KR20060092678 A KR 20060092678A KR 20080027527 A KR20080027527 A KR 20080027527A
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South Korea
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metal plate
film
roller
polyester
protective film
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KR1020060092678A
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Korean (ko)
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김영석
정태만
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김영석
정태만
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Priority to KR1020060092678A priority Critical patent/KR20080027527A/en
Publication of KR20080027527A publication Critical patent/KR20080027527A/en

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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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • 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
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/30—Iron, e.g. steel
    • 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
    • B32B2451/00—Decorative or ornamental articles

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  • Laminated Bodies (AREA)

Abstract

A method for forming a protecting film of an ornamental metal plate is provided to improve work atmosphere by excluding a solvent and to secure transparency by preventing the infiltration of dust and surface adhesion on the protecting film. A method for forming a protecting film of an ornamental metal plate comprises the steps of: preheating the ornamental metal plate produced by firstly processing a stainless steel plate and other metal plates, at the predetermined lamination temperature while passing the ornamental metal plate through a tunnel-shaped heat chamber; removing the dust by passing the surface of the metal plate through a viscous silicone roller; laminating a polyester film having an AE/EVA(Elastomer Amide/Ethylene Vinyl Acetate) adhesive layer at 120~140‹C; cooing and curing the metal plate laminated with the polyester film, down to 80‹C; UV(Ultraviolet)-coating a polyester surface layer by a printing method using a roller of 180~220 meshes; and laminating a PVC(Polyvinyl Chloride) film having a gluing agent layer, on the polyester surface layer.

Description

장식용 금속판의 보호막 형성방법{The method of forming protecting film on it ornamented by treatment of metal plate surface}The method of forming protecting film on it ornamented by treatment of metal plate surface}

본 발명은 고급 장식용 금속판의 보호막 형성방법에 관한 것으로 구체적으로는 건축물의 벽면장식, 엘리베이터 내면의 장식, 건물의 도어, 금속간판용의 스테인레스강판을 비롯한 황동판, 동판, 알루미늄판 그외 기타 금속판에 연마수단으로 가공되는 경면, 헤어라인(Hair Line), 에칭(Etching), 바이브레이션(Vibration), 비드 브라스트(bead blast), 금 또는 은을 포함하는 각종금속도금, 습식칼라처리, 나노금속입자의 금속표면 융착처리 등의 1차 가공으로 얻어진 입체적인 도형, 문양, 다양한 미적인 질감을 달리하는 문양이 나타난 금속표면을 보호하고 장식적인 연출효과를 가일층 향상시키기 위하여 라미네이트필름으로 타미네이팅 한후 그위에 인쇄방법으로 UV코팅으로 고경도화 하고 그위에 PVC필름으로 2차 라미네이트한 장식용 금속판의 보호막 형성방법에 관한 것이다. The present invention relates to a method for forming a protective film of a high-grade decorative metal sheet, specifically, the wall decoration of the building, the decoration of the interior of the elevator, the door of the building, brass plates, copper plates, aluminum plates and other metal plates, including stainless steel plates for metal signs. Surface, hair line, etching, vibration, bead blast, metal plating including gold or silver, wet color treatment, metal surface of nano metal particles In order to protect the metal surface with three-dimensional figures, patterns, and patterns with different aesthetic textures obtained by primary processing such as fusion treatment, and to further enhance decorative effects, it is laminated with a laminate film and then UV-printed on it. In the method of forming a protective film of a decorative metal plate made of high hardness by coating and secondary laminated with PVC film thereon It is about.

종래 강판, 스테인레스강판, 기타금속판의 표면에 금속의 상화 방지 및 긁힘을 방지하고 산, 알카리, 기타 반응성 또는 부식성 화학약품, 오일, 각종오염물질의 접촉첨착을 방지하기 위하여 PVC필름, 폴리에키렌 필름으로 라미에이팅하여 표 면보호목적을 달성하여 왔다. 그러나 위와 같은 라미네이터의 목적은 원재료로 사용되는 금속판의 1차 가공을하기 위해서는 금속판에 접착된 필름을 탈리 제거해야 하므로 이와 같은 작업 또한 까다로운 작업이다.In order to prevent metals from burning and scratching the surface of conventional steel sheets, stainless steel sheets, and other metal plates, and to prevent contact adhesion of acids, alkalis, other reactive or corrosive chemicals, oils, and various pollutants Lamination has been achieved to achieve the purpose of surface protection. However, the purpose of the laminator as described above is to remove the film adhered to the metal plate in order to perform the primary processing of the metal plate used as a raw material, such a task is also a difficult task.

전술한 종래기술은 1차 가공되지 않은 원재료 금속판의 단순표면 보호용으로 사용된 필름이지만 금속판에 전처리를 행한 후 경면(mirror), 헤어라인, 에칭, 바이브레이션, 비드 브라스트, 도금, 금속분말의 산화에 의한 습식 칼라처리등의 1차 가공 처리방법으로 입체적인 도형, 문자, 무늬 등 다양한 미적 질감을 달리하는 문양이 나타난 금속표면을 지속적으로 보존하는 보호막에 관한 종래기술로서 현재 사용하고 있는 방법은 전술한 1차 가공 처리한 금속표면에 열경화성수지 도료인, 에폭시수지용액, 불포화 폴리에스테르 수지용액, 아크릴 수지용액, 우레탄 수지용액, 테프론 수지용액을, 스프레이 코팅하여 도막을 형성시킨 다음 상온경화, 열처리경화에 의하여 경화시킨 도막을 보호막으로 이용하고 있는 것이 전부라 할 수 있다.The above-mentioned prior art is a film used for the protection of the simple surface of a raw material metal plate which is not primarily processed, but after pretreatment to the metal plate, mirror, hairline, etching, vibration, bead blasting, plating, and oxidation of metal powder As a prior art processing method such as wet color treatment by the conventional method of the protective film for continuously preserving the metal surface with the appearance of a variety of aesthetic texture such as three-dimensional figures, characters, patterns, etc. On the surface of the secondary processed metal, a thermosetting resin paint, epoxy resin solution, unsaturated polyester resin solution, acrylic resin solution, urethane resin solution, and Teflon resin solution is spray-coated to form a coating film, followed by room temperature curing and heat treatment curing. It can be said that what used the hardened coating film as a protective film is all.

물론, 여기에서 주재인 열경화성 수지용액에 경화제, 안정제, 열화방지제, 분산제, 용제 등 보호도막에 요구되는 기능성을 위한 그 밖의 첨가제 등을 선택하는 것이나 보호도막의 처리방법은 제조업체에 따라 약간의 차이는 있겠지만 도막 형성의 주제인 열경화성 수지용액을 사용하여 스프레이코팅하는 방법을 사용하고 있는 것을 통예로 되어있다.Of course, here, the thermosetting resin solution, which is the main agent, is selected from other additives for the functionality required for the protective coating such as hardeners, stabilizers, anti-degradants, dispersants, solvents, etc., and the method of treating the protective coating varies slightly depending on the manufacturer. Although it is common, the method of spray coating using the thermosetting resin solution which is the subject of coating film formation is common.

이와 같은 방법은 도막을 형성하는 열경화성 수지를 스프레이분사 시에 주위 공기와 함께 휩쓸려 들어가면서 포장되므로 공기중의 먼지가 도막에 침투되어 함께 경화되기도 하고 경화에 요하는 시간이 길므로 생산성이 떨어지고 경화도중 비산하 는 먼지가 도막표면에 첨착될 수 있는 시간이 길어지며 또한 보호도막이 스프레이분사에 의하여 형성되므로 분사제로서 분산성을 좋게 해도 적절한 점도 조절이 되지 않으면 우수한 표면 평활성을 기대할 수 없다. 표면굴곡이 있거나 도막에 먼지가 침투되거나 첨착될경우에는 금속표면에 1차 가공처리한 섬세한 무늬, 도형, 문자, 미적인질감을 달리하는 섬세한 문양이 정확한 형태로 현출될 수 없으며 이로 인해 제품의 질이 저하될 수 있다. 그 밖에도 도막재질의 종류에 따라 차이는 있겠으나 일반적으로 경도가 약하여 긁힘, 흉터가 발생할 수 있는 문제점을 안고 있다.In this method, the thermosetting resin, which forms the coating film, is packaged while being swept together with the surrounding air during spraying. Therefore, dust in the air penetrates the coating film and hardens together. Since the dust can be attached to the surface of the coating becomes longer, and the protective coating is formed by spraying, even if the dispersibility is good as the propellant, excellent surface smoothness cannot be expected without proper viscosity control. If there is surface curvature or dust penetrates or adheres to the coating film, delicate patterns, figures, characters, and aesthetic patterns that are primarily processed on the metal surface cannot be expressed in the correct form, and as a result, the quality of the product Can be degraded. In addition, there are differences depending on the type of coating material, but in general, the hardness has a problem that may cause scratches, scars.

본 발명은 스테인레스강판을 비롯한 각종금속표면을 1차 가공처리를 한 금속표면 보호도막의 문제점을 개량 보안한 발명으로서 전술한 1차 가공처리된 금속표면의 보호도막인 열경화성 수지도막대신에 라미네이트 필름으로 라미네이터하여 보호막을 형성하고 이 도막표면에 UV인쇄 코팅으로 표면 경도를 높인 보호막으로 대체하므로서 간편한 작업성과 경화에 요하는 시간 단축으로 생산성을 극대화할 수 있으며 보호막내에 먼지의 삽입이나 첨착을 방지할 수 있고 보호도막의 평활성을 크게 향상시키며 고경도의 표면으로 내스크래치성이 우수한 장식용 금속판의 보호막형성방법에 관한 것이다. The present invention is a security invention that improves the problems of the metal surface protective coating that is subjected to the primary processing treatment of various metal surfaces including stainless steel sheet as a laminate film instead of the thermosetting resin coating film which is a protective coating of the metal surface subjected to the primary processing. By laminating to form a protective film and replacing the protective film with a high surface hardness with a UV printing coating on the surface of the coating film, productivity can be maximized by simple workability and shortening of time required for hardening, and it is possible to prevent the insertion or deposition of dust in the protective film. The present invention relates to a method for forming a protective film of a decorative metal plate which greatly improves the smoothness of a protective coating film and has excellent scratch resistance with a high hardness surface.

본 발명의 목적을 달성하기 위한 장식용 금속판의 보호막 형성방법을 공정별로 구체적 설명을 하면,When the protective film forming method of the decorative metal plate for achieving the object of the present invention in detail by process,

1단계 공정 : 금속표면 1차 가공 공정1st step: Metal surface primary processing

원하는 금속판 소재를 결정하면 전처리 공정을 거쳐 설계된 피니시(Finish:문양)에 따라 경면가공, 헤어라인가공, 에칭가공, 바이브레이션가공, 비드브라스트처리, 도금, 습식칼라처리 중에서 하나이상의 1차 가공수단을 금속판위에 실시한다.  After determining the desired metal plate material, one or more primary processing means among mirror processing, hairline processing, etching processing, vibrating processing, bead blasting, plating, and wet color treatment are applied according to the finish (design) that is designed through the pretreatment process. Perform on a metal plate.

2단계 공정 : 라미네이터 공정2 step process: laminator process

1단계 공정으로 1차 가공처리가 완료된 금속면에 폴리에스테르 필름을 라미네이터하는 공정으로 먼저 1차 가공된 금속 소재를 온도 120℃이상으로 유지되는 원적외선히터 (1.5kw, 길이4m)가 설치된 터널형의 열첨버(두께300mm, 길이4m)를 50cm/mm, 속도를 8분간 통과시켜 예열시킴과 동시에 강점성 실리콘 로울러와 연동하는 약점성 실리콘 로울러를 연속해서 2회 통과시켜 금속소재표면의 먼지를 제거시킨다음 히팅로울러를 거쳐 120℃~140℃의 온도로 1차 및 2차 압착로 울러로 가압하여 폴리에스테르 필름으로 라미네이트 처리후 에어 브로우(air blower)방식으로 80℃까지 냉각시켜 숙성시킨다.  It is a process of laminating a polyester film on a metal surface on which the first processing is completed by the first step process. It preheats by passing 50cm / mm and a speed of 8 minutes through a hot addition burr (thickness 300mm, length 4m) and at the same time removes dust on the surface of the metal material by passing through the weak silicon roller interlocked with the strong silicon roller twice in a row. Next, the first and second compression furnaces are pressed at a temperature of 120 ° C. to 140 ° C. through a heating roller, and then laminated with a polyester film.

3단계 공정 : 고경도화 UV코팅처리3-step process: high hardness UV coating

2단계 공정이 끝난 폴리에스테르 필름표면층에 180~220 메쉬 로울러로 프린팅하는 방법으로 UV코팅처리하여 4H~5H의 경도를 갖게한다.   UV coating treatment is performed on the polyester film surface layer after the two-step process by printing with 180 ~ 220 mesh rollers to give hardness of 4H ~ 5H.

4단계 공정 : PVC 필름 라미네이터 처리4-step process: PVC film laminator treatment

3단계 공정이 끝난 UV코팅층위에 접착제로 적층된 PVC필름으로 라미네이터하면 장식용 금속판의 보호막 형성이 완성된다.  After laminating with PVC film laminated with adhesive on the UV coating layer after the three-step process, the protective film formation of the decorative metal plate is completed.

1단계 공정에 있어서의 전처리는 원료소재가 되는 금속판의 상태 즉 산화막, 오일첨착, 기타 오염물의 첨착에 따라 산처리, 용제처리, 알카리처리, 연마처리 등 도금, 도장, 초경합금처리등에 있어서 금속표면을 처리한 통상적인 전처리 수단이다.The pretreatment in the first step is to process the metal surface in the plating, coating, cemented carbide, etc. process such as acid treatment, solvent treatment, alkali treatment, polishing treatment, etc., depending on the state of the metal plate which is a raw material, that is, oxide film, oil deposition, and other contaminants. The conventional pretreatment means which processed.

2단계 공정에 있어서 라미네이터 필름으로 사용되는 폴리에스테르 필름은 50미크론 두께의 폴리에스테르 필름에 AE·EVA접착제 25미크론 두께로 접착되어 있는 필름이다 이와같은 폴리에스테르 필름은 전기절연성, 내약품성, 내열성, 내후성이 우수한 편이며 수밀성 및 기밀성이 좋고 수준급의 경도를 갖고 있어 내스크래치성도 겸한 필름으로서 이와 같은 필름은 금속표면 보호막으로서 적합한 필름이라 할 수 있으며 이 PET 필름에 접착 적층되어 있는 AE·EVA접착제는 핫멜트(Hot melt)성을 갖는 EVA에 수지에 저밀도 폴리에틸렌이 30%이하로 첨가되어 물성을 개량시킨 접착제로서 라미네이트시 열 로울러에 의하여 용융되어 우수한 접착력을 갖게되며 용융시 유동성이 커서 1차 가공된 금속 표면의 섬세한 부분까지 침투되어 우수한 밀착성을 갖게 되며 냉각시에도 유동탄성을 갖고 있어 금속판과 폴리에스테르 필름 사이에서 열팽창계수의 차이에 따라 반복적으로 발생되는 신축시에 완충역할을 하므로서 금속표면과의 박리현상이 발생되지 않고 강력하게 밀착되어 있어 우수한 수밀성과 기밀성을 유지하게 된다 이로서 금속표면에 수분, 가스, 공기침투를 방지하므로서 금속표면의 산화방지는 물론 변질이 발생하지 않는다. The polyester film used as the laminator film in the two-step process is a 25 micron thick AE / EVA adhesive bonded to a 50 micron thick polyester film. The polyester film is electrically insulating, chemically resistant, heat resistant and weather resistant. This film is excellent in watertightness and airtightness, and has a high level of hardness, and also has scratch resistance. Such a film is suitable as a metal surface protective film, and the AE / EVA adhesive adhesively laminated on the PET film is a hot melt ( Low density polyethylene is added to the resin with 30% or less of hot melt) to improve the physical properties. It is melted by heat rollers during lamination and has excellent adhesion. It penetrates to the delicate part and has excellent adhesion. It has fluid elasticity, and it acts as a buffer when it is repeatedly stretched due to the difference in thermal expansion coefficient between the metal plate and polyester film, so that it does not peel off with the metal surface and it is strongly adhered. This prevents water, gas, and air from penetrating the metal surface, preventing oxidation of the metal surface and deteriorating it.

또한, 2단계 처리공정에서 함께 처리되는 먼지제거처리에 있어서 실리콘고무 또는 통상의 고무는 점성을 갖고있어 먼지를 잘 부착시키는 특성을 갖고 있다. 특히 본 공정에서 금속판 예열이나 라미네이터 공정이 고열에서 행해지므로 300℃에 서 견딜수 있는 실리콘 고무 로울러가 적합하다. 먼지 부착제거 작용은 1차 가공처리된 장식금속판의 금속면이 저점성 실리콘 로울러와 접하면서 통과하면 저점성 실리콘 로울러에 먼지가 부착하고 저점성 실리콘 로울러에 부착된 머지를 저점성 실리콘 로울러와 연동하는 고점성 실리콘 로울러로 부착시키고 고점성 실리콘 로울러 표면에 많은 량의 먼지가 부착 집적되면 실리콘 로울러를 교체하거나 청소하여 재사용하게 된다In addition, in the dust removal treatment which is processed together in the two-stage treatment process, silicone rubber or ordinary rubber has a viscosity and has a property of adhering dust well. Particularly, in this process, the preheating of the metal plate or the laminator is performed at a high temperature, so a silicone rubber roller that can withstand 300 ° C is suitable. Dust removal action is that when the metal surface of the first processed metal sheet is in contact with the low-viscosity silicon roller, the dust adheres to the low-viscosity silicon roller and the merged to the low-viscosity silicon roller is interlocked with the low-viscosity silicon roller. When a high viscosity silicon roller is attached and a large amount of dust adheres to the high viscosity silicon roller surface, the silicon roller is replaced or cleaned and reused.

또, 2단계 공정에서는 1차 가공처리된 금속판을 예열시켜 라미네이터하는 방법을 채택하고 있다 예열되지 않은 금속판에 그대로 라미네이터하는 것과 비교하면 접착성이나 제품에 미치는 영향이 크다 금속판을 예열하지 않을 경우에는 라미네이트시에 140℃로 유지되는 히팅로울러에 의하여 폴리에스테르 필름은 열변형 온도가 200~210℃ 범위이며 융점온도가 250℃ 부근이므로 상기 라미네이터 온도에서는 변형이 없지만 AE·EVA수지는 폴리에틸렌 첨가량에 따라 다소 차이는 있지만 70~90℃ 범위에서 용융된다 이와 같은 용융된 접착제층이 찬 금속판과 닿게되면, 순식간에 열을 빼앗겨 유동성을 잃어버리게 되면서 고화되어 점도가 커지게 되므로 1차 가공으로 장식화된 금속표면의 깊은 홈이나 섬세한 홈에 침투가 되지 않아 미세 기포들이 남게되고 밀착성이 나빠지게 되므로서 접착성이 떨어 질뿐만 아니라 금속표면의 미세 조각화된 문양들이 원상태로 현출 되지 않으므로 제품의 고급화를 제해하게 된다.In addition, in the two-step process, the method of preheating and laminating the first processed metal plate is adopted. Compared to laminating the unpreheated metal plate as it is, it has a greater effect on adhesiveness or products. The polyester film has a heat deformation temperature in the range of 200 to 210 ° C and a melting point temperature of about 250 ° C due to a heating roller maintained at 140 ° C. However, the laminator temperature does not change, but the AE and EVA resins vary slightly depending on the amount of polyethylene added. Although the melted adhesive layer comes into contact with a cold metal plate, it loses its fluidity and loses its fluidity, and solidifies to increase its viscosity. It does not penetrate into grooves or delicate grooves, leaving fine bubbles and close As the property is worsened, not only the adhesion is deteriorated but also the finely fragmented patterns on the metal surface are not displayed in the original state, thereby deteriorating the quality of the product.

또한 라미이트 방법은 짧은 시간에 이루어지므로 먼지 및 이물질의 보호막내의 침투나 표면 부착이 적어 투명성 및 제품의 질을 향상시킬 수 있다.In addition, since the lamination method is performed in a short time, there is little penetration or surface adhesion of the protective film of dust and foreign substances, thereby improving transparency and product quality.

그밖에 UV코팅으로서 표면 경도를 높히고 보호막인 폴리에스테르 필름층을 코팅하므로서 필름의 열화를 방지할 수 있어 보호막의 손상이나 변질을 방지할 수 있어 내구성을 향상시킨다.In addition, it is possible to prevent the deterioration of the film by increasing the surface hardness as a UV coating and coating a polyester film layer as a protective film to prevent damage or deterioration of the protective film to improve durability.

가장중요한것은 라미네이터방법을 경화방법에 비해 극히 짧은시간에 보호막을 형성할 수 있어 생산성을 크게 향상시킬 수 있고 경화 방법에 있어 수지를 용해하는 인체에 해로운 각종 용제를 사용하지 않으므로 작업 분위기를 크게 향상시킬 수 있는 장식용 금속판의 보호막 형성 방법이라 할 수 있다.Most importantly, the laminator method can form a protective film in a very short time compared to the curing method, which can greatly improve productivity, and in the curing method, it does not use various solvents that are harmful to the human body that dissolves the resin. It can be said to be a method of forming a protective film of a decorative metal plate.

본 발명에 의한 장식용 금속판의 보호막 형성방법은 작업성이 용이하고 간편하여 시간을 단축시키므로서 생산성을 높일 수 있고 열경화성 수지용액의 스프레이 방식에 의한 도막 형성방법을 탈피하여 용제를 사용하지 않게 되어 작업 분위기를 개선할 수 있으며 보호막의 기능 및 작용에 있어서도 보호막에 먼지의 침투, 표면점착등의 방지로 투명성을 확보함과 동시에 접착제의 금속판과의 강력한 밀착성으로 기밀성, 수밀성이 보장되어 금속판의 부식 및 변질을 방지할 수 있고 , 보호막의 표면 또한 경도가 높아 내 긁힘성을 향상시켜 내구성이 우수한 고품질의 장식용 금속판을 제조할 수 있는 장식용 금속판의 보호막 형성 방법이라 할 수 있다.The protective film forming method of the decorative metal plate according to the present invention is easy to work and easy to shorten the time to increase the productivity and to avoid the use of solvents by avoiding the coating film forming method by the spray method of the thermosetting resin solution working atmosphere Also, in the function and action of the protective film, the transparency of the protective film is prevented by dust penetration and surface adhesion, and the tight adhesion with the metal plate of the adhesive ensures airtightness and watertightness to prevent corrosion and deterioration of the metal plate. It can be said that the protective film forming method of the decorative metal plate can be prevented, the surface of the protective film also has a high hardness to improve scratch resistance to produce a high-quality decorative metal plate with excellent durability.

Claims (3)

스테인레스강판을 비롯한 기타 금속판을 1차 가공하여 얻어진 장식용 금속판을 터널형 열첨버를 통과시키면서 라미네이트처리 온도 수준으로 예열함과 동시에 금속판면을 점성의 실리콘 로울러에 통과시켜 먼지를 제거하고 온도 120℃~140℃범위에서 AE·EVA접착층을 갖는 폴리에스테르 필름으로 라미네이트하여 온도 80℃까지 냉각시켜 숙성시킨 다음 폴리에스테르 표면층에 180~220메쉬 로울러 인쇄방법으로 UV코팅처리 한 다음 그 위에 점착제층을 갖는 PVC필름으로 라미네이트 처리함을 특징으로 하는 장식용 금속판의 보호막 형성방법.Preheating the decorative metal plate obtained by the primary processing of stainless steel plate and other metal plate through the tunnel-type heat addition burr to the lamination temperature level, and passing the metal plate surface through the viscous silicon roller to remove dust and the temperature 120 ℃ ~ 140 Laminate with a polyester film having an AE / EVA adhesive layer in the range of ℃, cooled to a temperature of 80 ℃, aged, and then UV coated on the polyester surface layer by a 180-220 mesh roller printing method, followed by a PVC film having an adhesive layer thereon. A method of forming a protective film of a decorative metal plate, characterized in that the lamination treatment. 청구항 1에 있어서 1차 가공은 경면처리를 비롯한 헤어라인(hair line), 에칭, 바이브레이션, 비드 브라스트, 도금, 습식칼라 가공처리 중에서 하나 이상의 처리수단으로 처리한 1차 가공임을 특징으로 하는 장식용 금속판의 보호막 형성방법.The decorative metal plate according to claim 1, wherein the primary processing is a primary processing processed by one or more processing means among hairline, etching, vibration, bead blasting, plating, and wet color processing including mirror processing. Method of forming a protective film. 청구항 1에 있어서 먼지제거용 점성의 실리콘 로울러는 저점성 실리콘 로울러와 고점성 실리콘 로울러가 연동되어 회전하므로서 저점성 실리콘 로울러에 부착된 먼지를 고점성 실리콘 로울러로 이동 부착하여 제거되도록 구성된 점성의 실리 콘로울러임을 특징으로 하는 장식용 금속판의 보호막 형성방법.The viscous silicone roller of claim 1, wherein the viscous silicon roller for dust removal is configured to move and remove dust attached to the low-viscosity silicon roller to the high-viscosity silicon roller by rotating the low-viscosity silicon roller and the high-viscosity silicon roller. The protective film forming method of the decorative metal plate, characterized in that the roller.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150028090A (en) * 2013-09-05 2015-03-13 (주) 금하칠보 Manufacturing method of the designed copperplate and the thing using the same method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150028090A (en) * 2013-09-05 2015-03-13 (주) 금하칠보 Manufacturing method of the designed copperplate and the thing using the same method

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