KR100264811B1 - The vaporized coating sheet and the same method - Google Patents

The vaporized coating sheet and the same method Download PDF

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KR100264811B1
KR100264811B1 KR1019970027203A KR19970027203A KR100264811B1 KR 100264811 B1 KR100264811 B1 KR 100264811B1 KR 1019970027203 A KR1019970027203 A KR 1019970027203A KR 19970027203 A KR19970027203 A KR 19970027203A KR 100264811 B1 KR100264811 B1 KR 100264811B1
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layer
steel sheet
film
deposition
deposited
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KR19990003340A (en
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최장현
김희춘
전성수
안성권
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이철우
연합철강공업주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/56Three layers or more
    • B05D7/57Three layers or more the last layer being a clear coat
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/04Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a surface receptive to ink or other liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • B21D22/04Stamping using rigid devices or tools for dimpling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2504/00Epoxy polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2508/00Polyesters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE: A vapor deposited steel plate is provided, which has excellent surface appearance, abrasion resistance, heat resistance, corrosion resistance, adhesiveness, weather resistance and workability and also can be used as a decoration steel plate by forming solid pattern. CONSTITUTION: The system comprises the followings: (i) a matrix steel plate layer (20); (ii) a primer coating layer (30) that is endowed with elongation ratio, corrosion resistance and adhesiveness by coating selectively epoxy paint or polyester paint on the matrix; (iii) a vapor deposited film layer (10) for forming printing characteristics and vapor deposition adhesiveness on the matrix steel plate (20) or the primer coated layer (30); (iv) an embossing layer (50) that is emboss treated to form embossed pattern; and (v) a coated layer (40) of back face which is formed under the matrix layer (20).

Description

증착강판 및 그의 제조방법Evaporated steel sheet and its manufacturing method

본 발명은 알루미늄강판, 주석, 크롬 그리고 니켈도금강판, 전기아연도금처리한 도금강판 및 냉연강판(이하, 소지강판이라함)등의 전처리된 소지강판 자체 또는 프라이마 도장처리된 소지 강판에, 미려한 외장성 및 기능성이 부여된 증착필름을 부착한 후, 탄성고무롤로써 압하처리하여 제조하는 증착강판 및 그의 제조 방법에 관한 것이다.The present invention has a beautiful appearance on the pretreated base steel plate itself or the steel plate coated with prima paint such as aluminum steel sheet, tin, chromium and nickel plated steel sheet, electro galvanized plated steel sheet and cold rolled steel sheet (hereinafter referred to as base steel sheet). The present invention relates to a deposited steel sheet and a method for manufacturing the same, which are manufactured by attaching a deposited film to which exterior and functionalities are attached, and then pressing the elastic film roll.

예로써, 형광등의 반사판용으로 사용되는 증착강판의 표면에 형성하는 증착필름은, 일반적으로 플라스틱필름 위에, 은, 알루미늄등 일부 금속 성분만을 사용하여 이를 진공증착하는 관계로, 색상 및 외관이 단순할 뿐만 아니라 물성에 있어서도 반사율, 접착성 및 내후성만 우수한 특징이 있다.For example, a deposition film formed on a surface of a deposition steel sheet used for a reflecting plate of a fluorescent lamp is generally deposited on a plastic film using only some metal components such as silver and aluminum, so that the color and appearance may be simple. In addition, in terms of physical properties, only reflectance, adhesiveness and weather resistance are excellent.

다시 말해 상기한 종래의 증착필름 구조는, 도 2 에서 보듯이, 상부에서 부터 순차로 아크릴 클리어도막층(11), 증착층(14), PET필름층(12), 접착층(15), 박리필름층(16)으로 구성되어 있는바, 이는 적용 용도의 대부분이 형광등 반사갓용으로 한정되어 있어, 형광등 반사갓용 외의 용도에는 적용하기 어려운 단점이 있다. 즉, 다른 제품에 적용시 요구되는 가공성, 내마모성, 고내후성, 내식성, 고접착성 등의 물성이 떨어져, 다양하게 여러 제품에 적용하기 어려운 단점이 있었다.In other words, the conventional deposition film structure, as shown in Figure 2, the acrylic clear coating layer 11, the deposition layer 14, PET film layer 12, the adhesive layer 15, the release film sequentially from the top It is composed of a layer 16, which is the majority of applications are limited to fluorescent reflector, there is a disadvantage that it is difficult to apply to applications other than fluorescent reflector. That is, physical properties such as workability, abrasion resistance, high weather resistance, corrosion resistance, and high adhesion required when applied to other products have been disadvantageous, and are difficult to apply to various products.

본 발명의 목적은 상기한 단점을 감안하여 안출한 것으로, 전처리(인산염이나 크로메이트처리) 또는 프라이마를 처리한 소지강판의 표면에, 사용 용도에 따라 제조된 본 발명에 따른 증착필름을 부착후, 탄성롤로써 압하처리하고, 그후, 수요자의 요구에 따라 엠보스롤로서 강판표면을 압하처리하여 종래의 평활한 상태보다 매우 입체적이고 변화가 있는 상태를 부여하여 외장성을 향상시키고 아울러 기능성도 향상시킨 증착강판 및 그의 제조방법을 제공함에 있다.The object of the present invention was devised in view of the above-mentioned disadvantages, and after the deposition film according to the present invention prepared for use on the surface of the steel sheet treated with pretreatment (phosphate or chromate treatment) or prima, elastic After rolling down with a roll, the surface of the steel sheet is rolled down with an embossing roll according to the demand of the consumer, giving a very three-dimensional and changeable state than the conventional smooth state to improve appearance and improve functionality. The present invention provides a steel sheet and a method of manufacturing the same.

또한 본 발명은, 적용 용도의 다양화 및 증착강판의 제조시 공정단축등도 기할수 있게 한 것으로 이하 본 발명의 다른 목적, 장점 및 특징에 대하여 더욱 상세히 설명한다.In addition, the present invention will be described in more detail with respect to the other objects, advantages and features of the present invention to be able to diversify the application and shorten the process when manufacturing the deposited steel sheet.

도 1 본 발명에 따른 증착강판을 나타내는 도면.1 is a view showing a deposited steel sheet according to the present invention.

도 2 는 종래의 일반증착필름의 층을 나타내는 도면.2 is a view showing a layer of a conventional general deposition film.

도 3 는 본 발명의 증착필름의 층을 나타내는 도면.3 is a view showing a layer of the deposited film of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 클리어도막층 2 : PET. 필름층1: clear coating layer 2: PET. Film layer

3 : 인쇄층 4 : 증착층3: printed layer 4: deposited layer

5 : 접착층 6 : 박리필름층5: adhesive layer 6: release film layer

7 : 헤어라인층 10 : 증착필름층7: hairline layer 10: deposited film layer

20 : 소지강판층 30 : 프라이마도막층20: holding steel sheet 30: prima coating layer

40 : 배면도막층 50 : 엠보싱층40: back coating layer 50: embossed layer

도 1 은 본 발명에 따른 증착강판의 단면 구성을 도시하는 도면이다.1 is a view showing a cross-sectional configuration of a deposited steel sheet according to the present invention.

도시한 바와 같이, 본 발명에 따른 증착강판은, 전처리(인산염이나 크로메이트 처리) 또는 프라이마를 처리한 소지강판층(20)의 표면에, 사용용도에 따라 제조된 증착필름층(10)을 부착 형성한 후, 탄성고무롤로서 압하처리 하고, 그후, 수요자의 요구에 따라 엠보스롤로서 강판을 압하처리하여 엠보싱층(50)이 형성되도록 한다.As shown in the figure, the deposited steel sheet according to the present invention adheres and forms the deposited film layer 10 prepared according to the intended use on the surface of the base steel sheet layer 20 subjected to pretreatment (phosphate or chromate treatment) or prima treatment. Thereafter, the sheet is pressed down with an elastic rubber roll, and then, the steel sheet is pressed down with an emboss roll according to the demand of the consumer so that the embossed layer 50 is formed.

이때 미려한 무늬, 색상 및 우수한 기능성을 부여토록 하는 본 발명에 따른 증착필름층(10), 즉 증착필름은, 종래의 증착필름의 단점을 개선한 제품으로서, 후술하는 바와 같이 여러 제품에 적용가능토록 구성하였고 또 증착강판의 제조시 공정단축도 가능하게 구성하였다.At this time, the deposited film layer 10, that is, the deposited film according to the present invention to give a beautiful pattern, color and excellent functionality, as a product that improves the disadvantages of the conventional deposited film, as described below to be applicable to various products In addition, the process can be shortened during the manufacture of the deposited steel sheet.

또한 소지강판층(20)의 상부 표면 또는 그 배면에 도포하여 형성하는 프라이마도막층(30) 또는 배면도막층(40)의 PCM 도료는, 가공시 가공부위의 도막균열(크랙) 현상이 발생되지 않고, 도막의 연신율이 좋으며 내식성이 우수한 에폭시계나 또는 폴리에스테르계 PCM 도료를 사용한다.In addition, the PCM paint of the primer coating layer 30 or the back coating layer 40 formed by coating on the upper surface or the back surface of the base steel sheet layer 20 generates a coating film crack (crack) phenomenon at the processing site. Epoxy- or polyester-based PCM paints having good elongation of the coating film and excellent corrosion resistance are used.

본 발명에 따른 증착필름과 소지강판에 도포하는 도료의 일반적인 포뮬러(formula)는 다음과 같다.A general formula of the coating applied to the deposited film and the steel sheet according to the present invention is as follows.

* 증착필름의 구성 ** Composition of Deposition Film *

비흡수성 소재인 금속판 표면에 사용되는 본 발명에 따른 증착필름은 사용용도에 따라 크게 4 내지 7 층의 층구조로 이루어지는바, 그 구조를 예로들면 도 3 에서 보듯이, 상부로 부터 클리어도막층(1), PET필름층(2), 헤어라인(hair line)층(7), 인쇄층(3), 증착층(4), 접착층(5), 박리필름층(6)으로 나뉘어진다.The deposited film according to the present invention used on the surface of the non-absorbent material metal plate is largely composed of four to seven layers according to the use, for example, as shown in Figure 3, the clear coating layer from the top ( 1), PET film layer 2, hair line layer (7), printing layer (3), deposition layer (4), adhesive layer (5), release film layer (6).

상기의 구성 층을 도 3 에 의거 더욱 상세히 살펴보면, 먼저 내마모성 및 가공성이 뛰어나도록 UV 클리어처리를 한 클리어도막층(1), 인쇄특성 및 증착 접착성이 뛰어나도록 수분산성 폴리우레탄을 표면처리한 PET 필름층(2), 시각적으로 금속질감을 부여하도록 PET 필름상에 연마자국 처리한 헤어라인층(7), 다양한 색상과 무늬를 나타내기 위하여 안료, 아크릴 및 비닐수지, NC, 유기 용제류 등으로 인쇄처리한 인쇄층(3), 은, 알루미늄, 금, 동, 아연, 크롬, 니켈, 주석, 스테인레스 스틸, 티타늄으로 이루어진 그룹 중에서 선택된 적어도 하나의 금속을 진공증착하여 금속 고유의 색상을 부여하거나 또는 반사도를 향상시킨 증착층(4), 사용 용도에 따라 아크릴계 또는 폴리우레탄계의 접착제를 코팅하는 접착코팅방식이나, 또는 공중합 PET, PP, PE 필름을 부착하여 열융착 방식으로 접착토록 형성하여 소지강판과 증착필름과의 접착성과 내후성을 향상토록한 접착층(5), 특히 접착코팅 방식을 사용할 때 부착하는 PE, 또는 E.V.A. 필름의 박리필름층(6)으로 이루어 진다. 여기서 클리어도막층(1), 인쇄층(3), 접착층(5), 박리필름층(6), 헤어라인층(7)은 사용 용도에 따라 그 층을 일부 또는 전부 제거하거나 형성시킬 수도 있다.Looking at the above constituent layer in more detail based on Figure 3, first, a clear coating layer (1) subjected to UV clear treatment for excellent wear resistance and workability, PET treated with a water-dispersible polyurethane to excellent printing properties and deposition adhesion Film layer (2), hairline layer (7) with abrasive marks on PET film to give metallic texture visually, pigments, acrylic and vinyl resins, NC, organic solvents, etc. to show various colors and patterns. Printed printing layer 3, silver, aluminum, gold, copper, zinc, chromium, nickel, tin, stainless steel, titanium at least one metal selected from the group by vacuum deposition to give a metallic unique color or Evaporation layer 4 with improved reflectivity, adhesive coating method for coating an acrylic or polyurethane adhesive, or copolymerized PET, PP, or PE films depending on the intended use. It is formed by adhesive bonding by heat fusion method to improve adhesion and weatherability of the base steel sheet and the deposited film (5), in particular PE, or E.V.A. It consists of a release film layer 6 of the film. Here, the clear coating layer 1, the printing layer 3, the adhesive layer 5, the release film layer 6, and the hairline layer 7 may be partially or completely removed or formed depending on the intended use.

상기한 접착층(5)을 형성함에 있어, 접착제코팅 경우엔 접착도막두께를 1∼5㎛로 하고, 열융착방식의 열융착필름의 두께는 15∼30㎛의 두께로 형성하고, 박리필름층(6)은 20∼30㎛의 두께로 형성한다.In forming the adhesive layer 5, in the case of adhesive coating, the thickness of the adhesive coating is 1 to 5 µm, and the thickness of the thermal fusion bonding film is 15 to 30 µm, and the release film layer ( 6) is formed to a thickness of 20 to 30㎛.

증착필름층(10)의 증착층(4)의 금속증착막의 두께는 200∼1000Å 범위 일때에 은폐력 및 반사력 등에 있어서 효과가 뛰어나다. 증착막 두께는 증착필름의 표면저항으로 볼 때 대략 0.5∼5Ω의 범위가 바람직하다. 상기의 증착층(4)을 형성하기 위한 금속증착은 진공도가 1.0×10-3토르 이하의 분위기하에서 실시한다. 진공도가 이 값보다 크면 증착막의 물성은 극히 취약하게 된다. 일반적으로 증착을 실시하는 진공도의 바람직한 범위는 2.0×10-4토르 이하이다.The thickness of the metal vapor deposition film of the vapor deposition layer 4 of the vapor deposition film layer 10 is excellent in a concealment force, a reflection force, etc. in the range of 200-1000 GPa. The thickness of the deposited film is preferably in the range of approximately 0.5 to 5 kPa in view of the surface resistance of the deposited film. Metal deposition for forming the vapor deposition layer 4 is carried out in an atmosphere having a vacuum degree of 1.0 × 10 −3 Torr or less. If the vacuum degree is larger than this value, the physical properties of the deposited film are extremely weak. Generally, the preferable range of the vacuum degree which vaporizes is 2.0 x 10 <-4> Torr or less.

바람직한 한 예로써, 증착층(4)은 300∼500Å으로 두께로 형성하고, 인쇄층(3)은 4∼6㎛의 두께로 형성하고, PET필름층(2)은 40∼80㎛의 두께로 형성하고, 클리어도막층(40)은 2∼7㎛의 두께를 갖도록 한다.As a preferred example, the deposition layer 4 is formed to a thickness of 300 to 500 kPa, the print layer 3 is formed to a thickness of 4 to 6 µm, and the PET film layer 2 is formed to a thickness of 40 to 80 µm. The clear coating layer 40 is formed to have a thickness of 2 to 7 µm.

더욱 구체적으로 한정하면 예로써, 상기한 클리어도막층(1)은 2㎛정도, PET필름층(2)은 60㎛정도, 인쇄층(3)은 5㎛정도, 접착층(5)은 2㎛정도, 박리필름층(6)은 25㎛정도의 두께가 형성되도록 하는 것이 실시상 바람직하다.More specifically, for example, the above-described clear coating layer 1 is about 2 μm, the PET film layer 2 is about 60 μm, the print layer 3 is about 5 μm, and the adhesive layer 5 is about 2 μm. In the release film layer 6, it is preferable in the embodiment to have a thickness of about 25 μm.

또한 본 발명에서는, 종래의 접착코팅 방식으로 증착 필름을 소지강판에 접착한후 박리필름층(16)을 박리하는 번거로운 공정을 제거하기 위하여, 박리필름층을 도 3 에서 예시한 바와 같이, 공중합 PET, PP, PE 필름을 부착하여 열융착 방식으로 접착토록 하였다.In addition, in the present invention, in order to eliminate the cumbersome process of peeling the release film layer 16 after adhering the deposition film to the base steel sheet by a conventional adhesive coating method, as illustrated in Figure 3, the copolymer PET, copolymerized PET , PP, PE film was attached to the adhesive by heat fusion method.

상기한 본 발명의 구성에 따른 증착강판의 제조 공정을 설명하면, 연속작업공정의 라인속도 20∼70mpm으로 진행하는 소지강판 표면에 접착제코팅처리한 증착필름의 박리필름을 제거하고 증착필름의 접착면을 부착시키거나 또는 열융착으로 접착하는 공정과, 부착된 증착필름을 탄성고무롤로서 압착시켜 소지강판에 접착시키는 공정으로 이루어지며, 상기한 증착필름의 열융착에 의한 접착의 경우엔 섭씨 120 - 210 도의 범위에서 열융착 접착이 가능토록 제조하는 것이 바람직하다.Referring to the manufacturing process of the deposited steel sheet according to the configuration of the present invention, to remove the peeling film of the adhesive film-deposited deposition film on the surface of the steel sheet proceeding at a line speed of 20 ~ 70mpm of continuous working process and the adhesive surface of the deposition film Or the process of adhering by means of thermal fusion, and adhering the deposited deposition film as an elastic rubber roll and adhering it to the base steel sheet. In the case of adhesion by thermal fusion of the deposition film, 120 to 210 degrees Celsius. It is preferable to manufacture so as to enable thermal fusion bonding in the range of the figure.

그리고, 소지강판의 전처리로서 인산염이나 크로메이트처리 또는 에폭시계나 폴리에스테르계의 PCM용 프라이마를 소지강판의 상부표면 또는 배면에 롤코팅하여 섭씨 120도 내지 290도로 가열,건조 시켜 소지강판을 준비하여 사용하는 것이 더욱 바람직하다.In addition, as a pretreatment of the steel sheet, phosphate or chromate treatment, or epoxy or polyester based PCM prima roll coated on the upper surface or the back of the steel sheet, heated and dried at 120 to 290 degrees Celsius to prepare and use the steel sheet. More preferred.

* 도료의 일반적 성상 ** General Characteristics of Paints *

본 발명에 따른 증착강판에 적용하기 위한 프라이마 및 배면 도료는, 증착필름과 소지강판과의 부착성을 최대화하고, 그리고 가공성(연신율) 및 내식성이 극대화 되도록 하였다.The primer and back coating for applying to the deposited steel sheet according to the present invention, maximize the adhesion between the deposited film and the base steel sheet, and to maximize the workability (elongation) and corrosion resistance.

즉, 소지강판층(20)의 상부표면 또는 그 배면에 도포하여 형성하는 프라이마도막층(30) 또는 배면도막층(40)의 PCM 도료는, 가공시 가공부위의 도막균열(크랙) 현상이 발생되지 않고 도막의 연신율이 좋고 내식성이 우수한 에폭시계나 또는 폴리에스테르계 PCM 도료를 사용한다.In other words, the PCM coating of the prima coating layer 30 or the back coating layer 40 formed by coating on the upper surface or the back surface of the base steel sheet layer 20 has a phenomenon of cracking (cracks) at the processing site. Epoxy- or polyester-based PCM coatings are used that do not occur and have good elongation of the coating film and excellent corrosion resistance.

특히, 하도인 프라이마의 경우, 증착필름층(10)에 유연성을 부여하도록 에폭시계 또는 폴리에스테르계수지를 베이스(기재)로 사용하여 건조도막두께가 5∼15㎛ 가 되도록 하는 것이 바람직하다.Particularly, in the case of undercoating prima, it is preferable to use an epoxy-based or polyester-based resin as a base (base) so as to give flexibility to the deposited film layer 10 so as to have a dry coating thickness of 5 to 15 µm.

상술한 본 발명에 따른 제품에 대한 각종 성능시험 방법은 다음과 같다.Various performance test methods for the product according to the present invention described above are as follows.

(1)내마모성 측정(1) Wear resistance measurement

연필경도 H, 2H, 3H를 통하여 증착필름에 대한 긁힘 발생유무를 관찰한다.Through the pencil hardness H, 2H, 3H to observe the occurrence of scratches on the deposited film.

(2)촉진 내후성 측정(KS-M-5982 기준)(2) Acceleration weather resistance measurement (based on KS-M-5982)

촉진내후시험후 색차계를 사용하여 CIE의 ㅿL(lightness),ㅿb(황색도)를 측정한다.After the accelerated weathering test, the lightness and ㅿ b (yellowness) of the CIE are measured using a colorimeter.

측정장치: 컬러차 측정기(Color Difference Meter. 일본MINOLTA사 200)Measuring device: Color Difference Meter (200, MINOLTA, Japan)

측정조건: 촉진내후시험기(미국. ATLAS사 에서 24시간 기준 자외선과 물분무를 각 12시간씩 반복후 6일간 경과후 표면측정.Measurement condition: accelerated weathering tester (US, ATLAS, surface measurement after 6 days after repeated 12 hours of UV and water spraying for 24 hours).

* ㅿb: (+)값 옐로우, (-)값 블루/ 수치가 등가할수록 황색도가 커짐.* ㅿ b: (+) value yellow, (-) value blue / The yellow value becomes larger as the value is equivalent.

* ㅿL: 색상의 밝기(백색도)를 표시/ 수치가 클수록 밝음.* Color: Displays the brightness (whiteness) of the color./The higher the value, the brighter.

(3) 내식성 측정(KS-D-9502 기준)(3) Corrosion resistance measurement (based on KS-D-9502)

염수분무시험후 브리스터 발생폭의 정도를 측정한다.After the salt spray test, measure the extent of the brister formation.

측정조건: 염수분무 시험기(일본,SUGA사 IOS형)에서 온도35±2℃, 습도 95%이상, 5% Nacl, 시편각도 60°, 염수분무량 0.5∼3cc/hr의 조건에서 행하였으며,6일 경과후의 부식발생면적을 측정.Measurement conditions: 6 days at a salt spray tester (Japan, SUGA, IOS type) at a temperature of 35 ± 2 ℃, humidity of 95% or more, 5% Nacl, specimen angle 60 °, salt spraying 0.5 ~ 3cc / hr Measure the area of corrosion after elapse.

(4) 내열성(4) heat resistance

100℃의 물중탕기에서 3시간 경과후의 증착강판 외관상태를 육안 관찰한다.Visually observe the appearance of the deposited steel sheet after 3 hours in a water bath at 100 ° C.

(5) 접착성(5) adhesive

100℃의 순환식 오븐에서 2일간 경과후의 증착필름층과 소지금속간의 접착상태를 측정한다.The adhesion between the deposited film layer and the base metal after two days in a circular oven at 100 ° C. is measured.

(6) 표면외관(6) surface appearance

증착필름의 제조방식에 따른 메카니즘 차이에 따라 다양한 색상과 무늬의 인쇄가 가능한가를 판단한다.It is determined whether printing of various colors and patterns is possible depending on the mechanism difference according to the manufacturing method of the deposition film.

(7) 가공성(7) processability

증착강판을 T-굽힘시험후 크랙정도를 육안으로 관찰한다.After the T-bending test, the deposited steel sheet was visually observed for cracking.

상기의 시험방법에 의거하여 아래의 여러 조건하에서 구체적으로 실시하여 보았으며 그의 시험 결과는 표 1 에 나타 내었다.Based on the test method described above, the test was carried out under various conditions, and the test results thereof are shown in Table 1.

( 실시예 1∼ 2 )(Examples 1 and 2)

소지강판으로서, 두께 0.4mm, 폭 914mm, 도금부착량20g/m2인 인산염처리된 전기아연도금강판을 사용하고, 그 상부 표면에 증착필름을 연속 작업라인상에서 부착하였다.As the base steel sheet, a phosphate-treated electrogalvanized steel sheet having a thickness of 0.4 mm, a width of 914 mm, and a coating weight of 20 g / m 2 was used, and a vapor deposition film was attached on the upper surface thereof on a continuous work line.

이때에 사용되어진 증착필름의 층구성은, 주반복 단위가 60 중량%이상이 에틸렌테레탈레이트로 이루어진 PET필름(SKC 사의 금속증착 폴리에스테르필름)을 사용하였으며, 상부에 UV 크리어도막층(1)을 형성시켰고, 하부엔 헤어라인 처리후 적당한 무늬 및 색상의 인쇄를 행하고, 수분산성 폴리우레탄수지를 0.01내지 0.5g/m2의 양으로 도포후 증착기에서 알루미늄을 두께 400Å으로 증착하여 증착층(4)을 형성시켰다.At this time, the layer structure of the deposited film used was a PET film (metal-deposited polyester film of SKC Co., Ltd.) of which the main repeating unit is 60% by weight or more made of ethylene terephthalate, and the UV clear coating layer (1) on the top. After the hairline treatment on the lower part, a suitable pattern and color was printed, and the water-dispersible polyurethane resin was applied in an amount of 0.01 to 0.5 g / m 2 , and then aluminum was deposited to a thickness of 400 kPa in the vapor deposition machine. ) Was formed.

그후 소지강판과의 접착을 위하여 최종적으로 코팅처리를 행하였다. 그리고 소지강판과의 접착처리 부분은 접착제를 사용한 접착코팅처리방식과 열융착필름을 사용한 열용착접착방식의 두가지를 사용하였다.Thereafter, coating was finally performed for adhesion to the base steel sheet. And the part of the adhesive treatment with the steel sheet used two types of adhesive coating treatment method using an adhesive and heat welding adhesive method using a thermal fusion film.

( 실시예 3 )(Example 3)

증착필름 상부 표면에 아크릴계의 클리어처리를 한 것 이외에는 실시예 1 과 동일한 방법으로 제조되었다.Except that the acrylic clear treatment on the upper surface of the deposited film was prepared in the same manner as in Example 1.

( 실험예 4 )Experimental Example 4

증착필름 상부표면에 아크릴계의 클리어처리를 하고 인쇄처리를 하지않은 것 이외에는 실시예 1 과 동일한 방법으로 제조하였다.It was prepared in the same manner as in Example 1 except that the clear surface of the acrylic film was not subjected to the clear treatment and printing treatment.

( 실시예 5 )(Example 5)

소지강판에 프라이마 및 배면 코팅처리를 한 것 이외에는 실시예 1 과 동일한 방법으로 제조되었다.A steel sheet was prepared in the same manner as in Example 1 except that the primer and the back coating were treated.

( 비교예 1 )Comparative Example 1

도 2 에 예시한 바와 같이, PET필름층(12)의 상부표면에 1차로 알루미늄을 증착시켜 증착층(14)을 형성하고, 2차로 아크릴계 클리어처리를 하여 아크릴 클리어도막층(11)을 형성하였으며, PET필름층(12)의 하부에는 접착제를 코팅처리한 전면반사방식의 증착필름을 두께0.5mm, 폭 914mm로 알루미늄 소지강판에 부착시켰다.As illustrated in FIG. 2, aluminum is first deposited on the upper surface of the PET film layer 12 to form a deposition layer 14, and an acrylic clear coating layer 11 is formed by secondly acryl-based clear treatment. On the lower part of the PET film layer 12, a deposition film of the front reflection type coated with an adhesive was attached to an aluminum substrate with a thickness of 0.5 mm and a width of 914 mm.

항목분류Category 내마모성Wear resistance 내식성Corrosion resistance 내열성Heat resistance 접착성Adhesive 표면외관Surface appearance 내후성Weather resistance 가공성Machinability HH 2H2H 3H3H 본발명의증착강판Deposition steel sheet of the present invention 실시예 1Example 1 실시예2Example 2 실시예 3Example 3 ×× 실시예4Example 4 ×× ×× 실시예5Example 5 종래증착강판Conventional Steel Sheet 비교예1Comparative Example 1 ×× ×× ×× ××

(◎ 매우양호,표현가능, ○ 양호, △ 보통, × 불량,표현 불가능)(◎ Very good, can be expressed, ○ Good, △ Normal, × Bad, can not be expressed)

표 1 의 시험 결과에 의하면, 본 발명에 따른 증착강판은 종래의 일반증착강판보다 표면외관, 내마모성, 내열성, 내식성, 접착성, 내후성 및 가공성의 면에서 뛰어난 것으로 판명되었다.According to the test results of Table 1, the deposited steel sheet according to the present invention was found to be superior in surface appearance, abrasion resistance, heat resistance, corrosion resistance, adhesiveness, weather resistance and workability than the conventional general deposition steel sheet.

또, 도 2 에 예시한 바와 같은 종래의 형광등 반사판용 증착강판에서의 전면반사방식의 증착필름은, 증착 및 클리어처리를 PET 필름층(12)의 상부에 순차하는 관계로 증착막이 쉽게 외부에 노출되어, 내열성, 내마모성 등에 있어서 약할뿐만 아니라, 외장성을 고려하여 PET필름층(12) 상부에 1차적으로 인쇄처리를 하여도 그 상부에 2차로 처리하는 증착막층에 의하여 인쇄층이 은폐가 되므로 미려한 외장성의 효과를 살릴수 없는 단점이 있으나 본 발명에 따른 증착필름의 경우는 이와 같은 종래의 단점을 모두 극복할수 있는 효과가 있다.In addition, the deposition film of the front reflection type in the conventional deposition steel sheet for fluorescent lamp reflector as shown in Figure 2, the deposition film is easily exposed to the outside because the deposition and clear processing is sequentially performed on the upper portion of the PET film layer 12. Not only is weak in heat resistance, abrasion resistance, etc., but the printing layer is concealed by the deposition film layer which is processed secondly on top of the PET film layer 12 in consideration of the external appearance, so that the printed layer is beautiful. There is a disadvantage that can not utilize the effect of the exterior, but in the case of the deposited film according to the present invention has an effect that can overcome all of the conventional disadvantages.

즉, 외부의 물리적인 압력에 대하여는 내마모성, 가공성 및 내식성이 우수한 UV클리어 처리한 클리어 도막층(1)이 표면에서 뛰어난 물성을 나타내고, 내식성은 프라이마도막층(30) 및 도금층이 소재와 필름 사이의 계면에서 자기방어 및 희생 방식 등으로 방식 효과를 나타내고, 내열성, 접착성 및 내후성에 있어서는 아크릴계 또는 폴리우레탄계의 접착제를 사용하는 것에 의하여 보장된다. 또한 필요에 따라 열융착 필름을 접착시켜, 종래의 접착코팅 방식에서의 박리공정, 즉 증착 필름을 소지강판에 접착할때 요구되는 박리필름의 박리 공정을 삭제할수 있어, 증착강판의 제조공정을 단축 가능한 장점이 있다.That is, with respect to external physical pressure, the UV clearing clear coating layer 1 having excellent abrasion resistance, processability, and corrosion resistance exhibits excellent physical properties on the surface, and the corrosion resistance is between the material layer and the film. The anticorrosive effect is exhibited by self-defense, sacrificial anticorrosion, etc. at the interface of, and in the heat resistance, adhesion and weather resistance, it is ensured by using an acrylic or polyurethane adhesive. In addition, by adhering the heat-sealed film as needed, it is possible to eliminate the peeling process in the conventional adhesive coating method, that is, the peeling process of the peeling film required when the deposition film is bonded to the base steel sheet, shortening the manufacturing process of the deposited steel sheet There are possible advantages.

또한 표면 외관에 있어서는 사용용도에 따라 PET 필름층 (2) 내면에 시각적으로 금속질감이 느껴지도록 연마자국 처리한 헤어라인 처리후, 다양하고 미려한 색상 및 무늬를 인쇄하고, 바탕색상으로 금 및 은, 스테인레스스틸 등의 금속자체의 고유 색상을 살리고 질감을 부여할수 있는 금속증착을 행하여 외관이 미려할 뿐만 아니라, 또 수요자의 요구에 따라 요철무늬가 새겨진 엠보스롤을 강판에 압하처리하여 표면에 입체무늬를 형성시켜 한층 더 미려한 모양을 나타낼수 있어 장식용 강판으로도 사용할수도 있다.In addition, in terms of surface appearance, after the hairline treatment with abrasive marks treatment to visually feel the metallic texture on the inner surface of the PET film layer 2 according to the intended use, various beautiful colors and patterns are printed and gold, silver, Not only the appearance is beautiful by the metal deposition that can give the texture and texture of the metal itself such as stainless steel, but also the embossed rolls with the irregularities are pressed on the steel plate according to the demand of the consumer. It can also be used as a decorative steel sheet by forming a more beautiful shape.

상기한 본 발명에서는 예시적으로 전기아연도금강판 및 알루미늄강판을 한정하여 시험한 결과이지만, 적용되는 강판은 이에 한정되는 것이 아니라 다른 강판(소지강판)에도 적용 가능함은 물론이고 그에 따른 효과도 상기와 거의 동일한 효과를 나타낼수 있음은 물론이다.In the present invention described above by way of example, the results of the test by limiting the electro-galvanized steel sheet and aluminum steel sheet, but the steel sheet is not limited to this, but also applicable to other steel sheets (holding steel sheet) and the effects thereof as well as the above Of course, the same effect can be achieved.

Claims (10)

소지강판층(20)과,A steel plate layer 20, 상기 소지 강판층(20) 상에 선택적으로 에폭시계 또는 폴리에스테르계 도료를 도포하여 연신율, 내식성 및 부착성을 부여한 프라이머도막층(30)과,A primer coating layer 30 to which an epoxy- or polyester-based paint is selectively applied on the base steel sheet layer 20 to give elongation, corrosion resistance, and adhesion; 상기 소지 강판층(20) 또는 프라이머 도막층(30)상에 인쇄 특성 및 증착 접착성을 갖도록 형성한 증착 필름층(10)과,A deposition film layer 10 formed on the base steel sheet layer 20 or the primer coating layer 30 to have printing characteristics and deposition adhesiveness; 상기 증착 필름층(10) 상에 요철무늬를 갖도록 엠보스 처리한 엠보싱 층(50)을 형성한 것으로 이루어지는 증착강판.A deposition steel sheet comprising an embossed layer (50) formed by embossing to have an uneven pattern on the deposition film layer (10). 제 1 항에 있어서, 상기 소지강판층(20)의 하부측에 배면 도막층(40)을 더 형성한 것을 특징으로 하는 증착강판.The deposited steel sheet according to claim 1, further comprising a back coating layer (40) formed on the lower side of the base steel sheet layer (20). 제 1 항에 있어서, 상기 증착 필름층(10)은, 내마모성 및 가공성이 뛰어나도록 UV 클리어처리를 한 클리어 도막층(1), 인쇄특성 및 증착 접착성이 뛰어나도록 수분산성 폴리우레탄을 표면처리한 PET 필림층(2), 시각적으로 금속질감을 부여하도록 PET필름상에 연마자국 처리한 헤어라인층(7), 다양한 색상과 무늬를 나타내기 위하여 안료, 아크릴 및 비닐수지, NC, 유기 용제류 등으로 인쇄처리한 인쇄층(3), 은, 알루미늄, 금, 동, 아연, 크롬, 니켈, 주석, 스테인레스 스팀, 티타늄으로 이루어진 그룹 중에서 선택된 적어도 하나의 금속을 진공 증착하여 금속 고유의 색상 부여하거나 또는 반사도를 향상시킨 증착증(4), 사용 용도에 따라 아크릴계 또는 폴리 우레탄계의 접착제를 코팅하는 접착코팅방식이나, 또는 공중합 PET, PP, PE 필름을 부착하여 열융합 방식으로 접착토록 형성하여 소지강판과 증착 필름과의 접착성과 내후성을 향상토록 한 접착층(5)과 특히 접착 코팅 방식을 사용할 때 부착하는 PE, E.V.A 필름의 박리 필름층을 선택적으로 형성한 것을 특징으로 하는 증착강판.The method of claim 1, wherein the vapor deposition film layer 10 is a UV-clear clear coating layer (1) for excellent wear resistance and processability, the surface treatment of the water-dispersible polyurethane to excellent printing properties and deposition adhesion PET film layer (2), hairline layer (7) with abrasive marks on PET film to give a metallic texture visually, pigments, acrylic and vinyl resins, NC, organic solvents, etc. to show various colors and patterns Printing layer 3, silver, aluminum, gold, copper, zinc, chromium, nickel, tin, stainless steam, titanium, and the like, by vacuum depositing at least one metal to give a color unique to the metal, or Evaporation deposition (4) with improved reflectivity, adhesive coating method for coating acrylic or polyurethane-based adhesives depending on the use, or heat-fusion method by attaching a copolymerized PET, PP or PE film A deposition method characterized in that the adhesive layer (5), which is formed to bond to improve the adhesion and weatherability of the base steel sheet and the deposited film, and the release film layer of PE and EVA film to be adhered, especially when using an adhesive coating method, is selectively formed. Grater. 제 3 항에 있어서, 상기 클리어 도막층(1), 인쇄층(3), 접착층(5)과 헤어라인층(7) 및 박리필름층 (6)을 선택적으로 형성한 것을 특징으로 하는 증착강판.4. The deposited steel sheet according to claim 3, wherein the clear coating layer (1), the printing layer (3), the adhesive layer (5), the hairline layer (7) and the release film layer (6) are selectively formed. 제 3 항에 있어서, 증착필름층(10)의 증착층(4)은 300~500Å으로 두께로 형성하고, 인쇄층(3)은 4~6㎛의 두께로 형성하고, PET필름층(2)은 40~80㎛의 두께로 형성하고, 클리어도막층(1)은 2~7㎛의 두께를 갖도록 형성한 증착강판.The method according to claim 3, wherein the deposition layer 4 of the deposition film layer 10 is formed to a thickness of 300 ~ 500Å, the printing layer 3 is formed to a thickness of 4 ~ 6㎛, PET film layer (2) Is a deposition steel sheet formed to a thickness of 40 ~ 80㎛, the clear coating layer (1) is formed to have a thickness of 2 ~ 7㎛. 제 4 항에 있어서, 증착필름층(10)의 증착층(4)은 300∼500Å으로 두께로 형성하고, 인쇄층(3)은 4∼6㎛의 두께로 형성하고, PET필름층(2)은 40∼80㎛의 두께로 형성하고, 클리어도막층(1)은 2∼7㎛의 두께를 갖도록 형성한 증착강판.5. The film deposition method according to claim 4, wherein the deposition layer 4 of the deposition film layer 10 is formed to a thickness of 300 to 500 kPa, the printing layer 3 is formed to a thickness of 4 to 6 mu m, and the PET film layer 2 is formed. Silver-deposited steel sheet formed in the thickness of 40-80 micrometers, and the clear coating layer 1 formed so that it may have a thickness of 2-7 micrometers. 제 4 항에 있어서, 접착층(5)을 형성함에 있어 접착제코팅 경우엔 접착도막두께를 1∼5㎛로 하고, 열융착방식의 열융착필름의 두께는 15∼30㎛의 두께로 형성하고, 선택적으로 박리필름층(6)은 20∼30㎛의 두께로 형성한 증착강판.5. The method of claim 4, wherein in forming the adhesive layer 5, in the case of adhesive coating, the thickness of the adhesive coating film is 1 to 5 탆, and the thickness of the thermal fusion film is 15 to 30 탆. The release film layer 6 is a deposited steel sheet formed to a thickness of 20 to 30㎛. 증착강판을 제조함에 있어서, 연속작업공정의 라인속도 20∼70mpm으로 진행하는 소지강판 표면에 접착제코팅처리한 증착필름의 박리필름을 제거하고 증착필름의 접착면을 부착시키거나 또는 열융착으로 접착하는 공정과, 부착된 증착필름을 탄성고무롤로서 압착시켜 소지강판에 접착시키는 공정으로 이루어지는 증착강판의 제조방법.In manufacturing the deposited steel sheet, to remove the peeled film of the adhesive-coated deposition film on the surface of the steel sheet proceeding at a line speed of 20 ~ 70mpm of continuous working process and attach the adhesive surface of the deposited film or adhere by heat fusion And a step of adhering the deposited deposition film to the base steel sheet by compressing the attached deposition film as an elastic rubber roll. 제 8 항에 있어서, 상기한 증착필름의 열융착 접착의 경우, 소지강판에의 열융착은 섭씨 120 도 내지 210 도에서 이루어도록한 증착강판의 제조방법.The method of claim 8, wherein in the case of thermal fusion bonding of the deposited film, the thermal fusion to the base steel sheet is performed at 120 to 210 degrees Celsius. 제 8 항에 있어서, 소지강판의 선처리로서 소지강판의 표면에 건조도막두께 5 내지 15 마이크로미터로 에폭시계 또는 폴리에스테르계 프라이마를 하도 또는 배면도막층(40)에 롤코팅하여 섭씨 120도 내지 290도로 가열,건조 시켜 소지강판을 준비하는 공정을 더 포함하는 증착강판의 제조방법.The method according to claim 8, wherein as a pretreatment of the steel sheet, the surface of the steel sheet is coated with an epoxy or polyester prima at a thickness of 5 to 15 micrometers to the undercoat or the back coat layer 40 to 120 degrees Celsius to 290 degrees Celsius. The method of manufacturing a deposited steel sheet further comprising the step of preparing a steel sheet by heating and drying the road.
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