JP3233856U - Multi-layer composite color coating printing Metal plate and housing of home appliances, decorative material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multi-layer composite color coated printed metal plate, a housing of a home electric appliance, and a decorative material, which can exhibit a three-dimensional pattern on the surface and generate an uneven tactile sensation similar to the surface of wood. SOLUTION: This is a multi-layer composite color coating printing metal plate including a metal plate 2, the front surface of the metal plate has a chemical layer 22, and the multi-layer composite color coating printing metal plate is on the chemical layer. The UV ink layer 5 to be formed and the protective layer 6 formed on the UV ink layer are further included, the UV ink layer has a plurality of first protrusions 50, and the protective layer is the UV ink layer. By being uniformly applied onto the protective layer, a plurality of second protrusions 60 are formed, and the plurality of first protrusions of the UV ink layer and the plurality of second protrusions of the protective layer are formed. Corresponds to each other. [Selection diagram] Fig. 1

Description

The present invention relates to the field of home appliances, specifically, a multi-layer composite color coated printed metal plate, a housing of a home electric appliance, and a decorative material.

Currently, in order to enhance the aesthetics of home appliances, patterns, colors, etc. are usually designed on the housings of home appliances. The traditional method is to apply a film with patterns and colors printed on the base material of the housing. As yet another method, the roll transfer technique may be adopted to print the ink on the housing base material. However, all the patterns on the housing of the conventional home electric appliances are flat, and it is not possible to give a three-dimensional effect.

Regarding the deficiencies and problems in the above-mentioned prior art, the present invention aims to provide a multi-layer composite color coating printed metal plate, a housing for home electric appliances, and a decorative material, and the surface thereof can exhibit a three-dimensional pattern and is made of wood. Produces a texture similar to the surface or ceramic surface.

According to the first aspect of the present invention, the present invention adopts the following technical proposals.
It is a multi-layer composite color coating printing metal plate including a metal plate, the front surface of the metal plate has a chemical layer, and the multi-layer composite color coating printing metal plate has a UV ink layer and a UV ink layer formed on the chemical layer. The UV ink layer further includes a protective layer formed on the UV ink layer, the UV ink layer has a plurality of first protrusions, and the protective layer is uniformly applied onto the UV ink layer. A plurality of second protrusions are formed on the protective layer, and the plurality of first protrusions of the UV ink layer and the plurality of second protrusions of the protective layer correspond to each other.
In one embodiment, the multilayer composite color coating printed metal plate further includes an anticorrosion base and a front coating layer, the anticorrosion base is formed on the chemical layer, and the front coating layer is formed on the anticorrosion base. The UV ink layer is formed on the front coating layer.
In one embodiment, the UV ink layer is printed on the front paint layer.
In a preferred embodiment, the UV ink layer is printed on the front paint layer, formed of patterned UV ink, and has a plurality of protrusions and recesses.
In one embodiment, the protective layer is coated and formed on the UV ink layer, has a uniform surface density, a uniform thickness, and has a plurality of protrusions and dents corresponding to the UV ink layer.
In one embodiment, the front paint layer is a white paint layer or a multicolor aluminum powder paint layer.
In one embodiment, the plurality of first protrusions of the UV ink layer are uniformly or randomly distributed.
In one embodiment, the first protrusion is a streak-like protrusion.
In a preferred embodiment, the UV ink layer and the protective layer each have an outer surface that matches the surface of the wood, and the first protrusion has a shape that matches the grain of the wood.
In one embodiment, the first protrusion is a dot-shaped protrusion.
In one preferred embodiment, the UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material.
In one embodiment, the protective layer is a transparent paint layer.
In one embodiment, the back surface of the metal plate has a back surface chemical layer.
In one embodiment, the multilayer composite color coating printed metal plate further includes a back surface coating layer formed by coating on the back surface chemical layer.

According to the second aspect of the present invention, the present invention adopts the following technical proposals.
It is a multi-layer composite color coating printing metal plate, and the multi-layer composite color coating printing metal plate has a back coating layer, a back chemical layer, a metal plate, a chemical layer, an anticorrosion base, a front coating layer, a UV ink layer, and a protective layer in this order. It is formed by stacking. The metal plate is a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate or an aluminum plastic sheet, and has a thickness of 0.2 mm to 3.0 mm. A chemical layer is formed on the front surface of the metal plate, a back surface chemical layer is formed on the back surface of the metal plate, and the thickness of the chemical layer and the back surface chemical layer is 0.05 to 1 μm, respectively. The back surface coating layer is formed by coating on the back surface chemical layer and has a thickness of 3 μm to 10 μm. The anticorrosion base is formed by coating on the chemical layer and has a thickness of 3 μm to 10 μm. The front paint layer is a white paint layer or a multicolor aluminum powder paint layer formed by coating on the anticorrosion base, and has a thickness of 3 μm to 30 μm. The UV ink layer is printed on the front paint layer, formed of patterned UV ink, has a plurality of protrusions and dents, and has a thickness of 10 μm to 30 μm. The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and a thickness of 3 μm to 30 μm, and has a plurality of protrusions and dents corresponding to the UV ink layer. Has. The UV ink layer and the protective layer each have an outer surface that matches the surface of wood. The first protrusion and the second protrusion are streaky protrusions whose shapes match the grain of wood, and the plurality of first protrusions have a random distribution.

According to the third aspect of the present invention, the present invention adopts the following technical proposals.
It is a multi-layer composite color coating printing metal plate, and the multi-layer composite color coating printing metal plate has a back coating layer, a back chemical layer, a metal plate, a chemical layer, an anticorrosion base, a front coating layer, a UV ink layer, and a protective layer in this order. It is formed by stacking. The metal plate is a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate or an aluminum plastic sheet, and has a thickness of 0.2 mm to 3.0 mm. A chemical layer is formed on the front surface of the metal plate, a back surface chemical layer is formed on the back surface of the metal plate, and the thickness of the chemical layer and the back surface chemical layer is 0.05 to 1 μm, respectively. The back surface coating layer is formed by coating on the back surface chemical layer and has a thickness of 3 μm to 10 μm. The anticorrosion base is formed by coating on the chemical layer and has a thickness of 3 μm to 10 μm. The front paint layer is a white paint layer or a multicolor aluminum powder paint layer formed by coating on the anticorrosion base, and has a thickness of 3 μm to 30 μm. The UV ink layer is printed on the front paint layer, formed of patterned UV ink, has a plurality of protrusions and dents, and has a thickness of 10 μm to 30 μm. The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and a thickness of 3 μm to 30 μm, and has a plurality of protrusions and dents corresponding to the UV ink layer. Has. The UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material. The first protrusion and the second protrusion are dot-shaped protrusions, respectively, and the plurality of first protrusions have a random distribution.

According to the fourth aspect of the present invention, the present invention adopts the following technical proposals.
It is a multi-layer composite color coating printing metal plate including a metal plate, and the multi-layer composite color coating printing metal plate is a chemical layer, an anticorrosion base, and a front coating layer that are laminated on the front surface of the metal plate in order from the inside to the outside. , UV ink layer and protective layer are further included. The UV ink layer has a plurality of first protrusions. Since the protective layer is uniformly coated and formed on the UV ink layer, a plurality of second protrusions are formed on the protective layer. The plurality of first protrusions of the UV ink layer and the plurality of second protrusions of the protective layer correspond to each other.
In one embodiment, the plurality of first protrusions of the UV ink layer are uniformly or randomly distributed.
In one preferred embodiment, the first protrusion is a streak-like protrusion.
More preferably, the UV ink layer and the protective layer each have an outer surface that matches the surface of the wood, and the first protrusion has a shape that matches the grain of the wood.
In another preferred embodiment, the first protrusion is a dot-shaped protrusion.
More preferably, the UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material.
In one embodiment, a chemical layer is formed on the front surface of the metal plate, and the anticorrosion base is formed on the chemical layer.
In one embodiment, the UV ink layer is printed on the front paint layer.
In a preferred embodiment, the UV ink layer is printed on the front paint layer, formed of patterned UV ink, and has a plurality of protrusions and recesses.
In a more preferred embodiment, the protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and has a plurality of protrusions and dents corresponding to the UV ink layer. ..
In one embodiment, a back surface chemical layer is formed on the back surface of the metal plate.
In a preferred embodiment, the multilayer composite color coating printed metal plate further comprises a back coating layer formed by coating on the back chemical layer.
In one embodiment, the front paint layer is a white paint layer or a multicolor aluminum powder paint layer.
In one embodiment, the protective layer is a transparent paint layer.
In a specific and preferable embodiment, the multilayer composite color coating printing metal plate has a back surface coating layer, a back surface chemical layer, a metal plate, a chemical layer, an anticorrosion base, a front surface coating layer, a UV ink layer, and a protective layer laminated in this order. Is formed. The metal plate is a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate or an aluminum plastic sheet, and has a thickness of 0.2 mm to 3.0 mm. A chemical layer is formed on the front surface of the metal plate, and a back surface chemical layer is formed on the back surface of the metal plate. The thickness of the chemical layer and the back surface chemical layer is 0.05 to 1 μm, respectively. The back surface coating layer is formed by coating on the back surface chemical layer and has a thickness of 3 μm to 10 μm. The anticorrosion base is formed by coating on the chemical layer and has a thickness of 3 μm to 10 μm. The front paint layer is a white paint layer or a multicolor aluminum powder paint layer formed by coating on the anticorrosion base, and has a thickness of 3 μm to 30 μm. The UV ink layer is printed on the front paint layer, formed of patterned UV ink, has a plurality of protrusions and dents, and has a thickness of 10 μm to 30 μm. The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and a thickness of 3 μm to 30 μm, and has a plurality of protrusions and dents corresponding to the UV ink layer. Has. The UV ink layer and the protective layer each have an outer surface that matches the surface of wood. The first protrusion and the second protrusion are streaky protrusions whose shapes match the grain of wood, and the plurality of first protrusions have a random distribution.
In another specific and preferred embodiment, the multilayer composite color coating printed metal plate comprises a back coating layer, a back chemical layer, a metal plate, a chemical layer, an anticorrosion base, a front coating layer, a UV ink layer and a protective layer. It is formed by laminating in order. The metal plate is a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate or an aluminum plastic sheet, and has a thickness of 0.2 mm to 3.0 mm. A chemical layer is formed on the front surface of the metal plate, a back surface chemical layer is formed on the back surface of the metal plate, and the thickness of the chemical layer and the back surface chemical layer is 0.05 to 1 μm, respectively. The back surface coating layer is formed by coating on the back surface chemical layer and has a thickness of 3 μm to 10 μm. The anticorrosion base is formed by coating on the chemical layer and has a thickness of 3 μm to 10 μm. The front paint layer is a white paint layer or a multicolor aluminum powder paint layer formed by coating on the anticorrosion base, and has a thickness of 3 μm to 30 μm. The UV ink layer is printed on the front paint layer, formed of patterned UV ink, has a plurality of protrusions and dents, and has a thickness of 10 μm to 30 μm. The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and a thickness of 3 μm to 30 μm, and has a plurality of protrusions and dents corresponding to the UV ink layer. Has. The UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material. The first protrusion and the second protrusion are dot-shaped protrusions, respectively, and the plurality of first protrusions have a random distribution.

According to the fifth aspect of the present invention, the present invention adopts the following technical proposals.
It is a housing for home electric appliances, and the housing includes a multi-layer composite color coating printed metal plate as described above.

According to the sixth aspect of the present invention, the present invention adopts the following technical proposals.
A decorative material containing a base material, the decorative material further includes a multi-layer composite color coating printed metal plate as described above, and the multi-layer composite color coating printed metal plate is provided on the surface of the base material.
In one embodiment, the multilayer composite color coated printed metal plate is at least covered on the front surface of the substrate.
The substrate includes, but is not limited to, gypsum board and aluminum honeycomb panels.
The above-mentioned metal plates include, but are not limited to, galvanized steel sheets, stainless steel sheets, electric Zn-plated steel sheets, aluminum plates and aluminum plastic sheets.
The chemical layer is formed of a passivating agent applied to the front surface of the metal plate, and the back surface chemical layer is formed of a passivating agent applied to the back surface of the metal plate. The passivating agent is preferably a chromium-free passivating agent and does not contain a chromium element and a compound thereof. The chemical layer and the back surface chemical layer are intended to enhance the adhesive force between the metal plate and the paint (for example, anticorrosion base, back surface paint layer). Specifically, the passivation agent includes a polyurethane resin, a silane compound, fluorozirconium acid and pure water. Among them, the weight percent of the polyurethane resin is 10 to 20 wt%, the weight percent of the silane compound is 1 to 10 wt%, the weight percent of fluorozirconium acid is 1 to 10 wt%, and the residue is pure water.
In terms of weight percent content, the components of the front coating layer above include the following components: polyester resin 48-52%, solvent oil 1-3%, DBE 1-3%, wetting dispersant 0.3-0.5 %, Titanium white powder 30-34%, Propylene glycol monomethyl ether acetate 1-3%, Crosslinked resin 8-10%, Polyethylene wax 1-3%, Leveling agent 0.5-1%, Solvent 0.5-1%, Functional additive 1-1.5%. Among them, the functional additive is a combination of acrylic-modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether. Among them, in terms of mass percent content, the mass percent content of the acrylic modified polyester is 60 to 80%, the mass percent content of 2-butoxyethanol is 10 to 20%, and the mass percent of dipropylene glycol monomethyl ether. The content is 10 to 20%. DBE is a mixture of a high boiling point solvent with a dibasic acid ester, which is a mixture of dibasic acid esters and is also called a divalent ester.
The above UV ink layer is printed and formed with UV ink. By weight, the raw materials for the UV ink are modified urethane resin 35-45, UV monomers 35-45, matte powders 7-10, photoinitiators 5-7, and auxiliary agents 1-3. include. Among them, the UV monomer is an acrylic resin. In one embodiment, the matted powder is silica. In one example, the photoinitiator is 1-hydroxycyclohexylphenyl ketone. In one example, the auxiliary agent is an acrylic polymer. In one embodiment, by weight, the source material for the UV ink further comprises an antibacterial agent 0.3-0.5. Preferably, the antibacterial agent is BBIT (n-butyl-1,2-benzisothiazolin-3-one), which can coexist well with and adapt to raw materials such as modified urethane resins, UV monomers, matted powders and the like. , It has good antibacterial properties based on not affecting the original performance of the UV ink layer.
The main raw material of the protective layer is polyurethane.

The present invention adopts the above technical proposal and has at least the following advantages as compared with the prior art.
By adopting a UV ink layer having a plurality of protrusions, a protective layer is then uniformly applied on the UV ink layer to give a three-dimensional pattern to the surface of the multi-layer composite color coating printing metal plate. Not only does it have a grain effect similar to the surface of wood or a textured effect similar to the surface of ceramic, but it also has a similar uneven texture. More realistically, the metal color coated printing plate has high hardness, good scratch resistance and good bending performance, and does not crack after bending. When applied to home appliances or decorative materials, it can significantly reduce the weight and production costs of products such as home appliances compared to products such as home appliances that employ ceramic housings. The characteristics that can be and can be reused stand out from the idea of Ekoru.

In order to more clearly explain the technical proposal in the examples according to the present invention, the following will be briefly described with reference to the drawings necessary for the description of the examples. Obviously, the drawings in the following description represent merely some embodiments of the present invention, and it is easy for those skilled in the art to obtain other drawings based on these drawings, provided that they do not cause creative labor. be able to.
It is a structural schematic diagram of the multi-layer composite color coating metal plate by the Example which concerns on this invention.

Hereinafter, preferred embodiments of the present invention will be described in detail in combination with the accompanying drawings so that those skilled in the art can more easily understand the advantages and features of the present invention.

As shown herein and in the claims, the terms "include" and "include" mean only to include clearly labeled steps and elements, but these steps and elements are exclusive. The method or device may also include other steps and elements, without forming a general enumeration. As used in the text, the term "and / or" includes any combination of one or more related items listed.

Without special explanation, when a feature is said to be "fixed" and "connected" to a further feature, it can be directly fixed and connected to the further feature and indirectly to the further feature. It should be explained that it can be fixed and connected to. Further, the explanations such as "top", "bottom", "left", and "right" used in the present invention simply consider the mutual positional relationship of each component of the present invention in the drawings.

As shown in FIG. 1, the multilayer composite color coating printing metal plate includes the metal plate 2, and the chemical layer 22, the anticorrosion base 3, and the front coating layer are laminated on the front surface of the metal plate 2 in order from the inside to the outside. 4. UV ink layer 5 and protective layer 6 are further included. This multi-layer composite color coating printing metal plate further includes a back surface chemical layer 21 coated and formed on the back surface of the metal plate 2, and a back surface paint layer 1 coated and formed on the back surface chemical layer 21. Preferably, the multilayer composite color coating printed metal plate has a back surface coating layer 1, a back surface chemical layer 21, a metal plate 2, a chemical layer 22, an anticorrosion base 3, a front surface coating layer 4, a UV ink layer 5, and protection. It had an eight-layer structure formed by closely laminating layers 6. Among them, the UV ink layer 5 has a plurality of first protrusions 50, and the protective layer 6 is uniformly coated and formed on the UV ink layer 5. Therefore, a plurality of protective layers 6 are also formed. The second protrusion 60 of the above was formed, and the plurality of first protrusions 50 of the UV ink layer 5 and the plurality of second protrusions 60 of the protective layer 6 corresponded to each other. The plurality of first protrusions 50 of the UV ink layer 5 and the plurality of second protrusions 60 of the protective layer 6 were uniformly or randomly distributed.

The metal plate 2 was a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate, or an aluminum plastic sheet.

The chemical layer 22 is formed of a passivating agent applied to the front surface of the metal plate 2, and the back surface chemical layer 21 is formed of a passivating agent applied to the back surface of the metal plate. Was preferably a chromium-free passivator and did not contain chromium elements and compounds thereof. Furthermore, the passivation agent included a polyurethane resin, a silane compound, fluorozirconium acid and pure water. Among them, the weight percent of the polyurethane resin was 10 to 20 wt%, the weight percent of the silane compound was 1 to 10 wt%, the weight percent of fluorozirconium acid was 1 to 10 wt%, and the residue was pure water.

In terms of weight percent content, the components of the front coating layer 4 include the following components: polyester resin 48-52%, solvent oil 1-3%, DBE 1-3%, wetting dispersant 0.3-0.5%. , Titanium white powder 30-34%, Propylene glycol monomethyl ether acetate 1-3%, Crosslinked resin 8-10%, Polyethylene wax 1-3%, Leveling agent 0.5-1%, Solvent 0.5-1%, Function Sex additive 1-1.5%. Among them, the functional additive was a combination of acrylic-modified polyester, 2-butoxyethanol, and dipropylene glycol monomethyl ether. Among them, in terms of mass percent content, the mass percent content of the acrylic modified polyester is 60 to 80%, the mass percent content of 2-butoxyethanol is 10 to 20%, and the mass percent of dipropylene glycol monomethyl ether. The content was 10 to 20%. DBE is the mixing of a high boiling point solvent with a dibasic acid ester, which is a dibasic acid ester mixture and is also referred to as a divalent ester.

The UV ink layer 5 was printed and formed with UV ink. By weight, the raw materials for the UV ink are modified urethane resin 35-45, UV monomers 35-45, matte powders 7-10, photoinitiators 5-7, and auxiliary agents 1-3. Inclusive. Among them, the UV monomer was an acrylic resin. In one example, the matted powder was silica. In one example, the photoinitiator was 1-hydroxycyclohexylphenyl ketone. In one example, the auxiliary agent was an acrylic polymer. In one example, by weight, the source material for the UV ink further contained antibacterial agents 0.3-0.5. Preferably, the antibacterial agent is BBIT (n-butyl-1,2-benzisothiazolin-3-one), which can coexist well with and adapt to raw materials such as modified urethane resins, UV monomers, matted powders and the like. Based on the fact that it does not affect the original performance of the UV ink layer, it has good antibacterial properties.

The main raw material of the protective layer 6 was polyurethane.

In one application example according to the present invention, the first protrusion 50 is a streak-like protrusion, and the plurality of first protrusions 50 have a random distribution. The UV ink layer 5 and the protective layer 6 each had an outer surface that coincided with the surface of the wood. Since the first protrusion 50 and the second protrusion 60 have a shape that matches the grain of wood, the multi-layer composite color coating printed metal plate exhibits a design effect similar to that of wood grain. The surface is uneven by having streaky protrusions similar to the grain of wood, and a texture of unevenness that matches the surface of wood is generated.

In another application example according to the present invention, the first protrusion 50 is a dot-shaped protrusion, and the plurality of first protrusions 50 have a random distribution. Since the UV ink layer 5 and the protective layer 6 each have an outer surface that matches the surface of the ceramic material, the multi-layer composite color coating printed metal plate exhibits a design effect that matches the ceramic material, and the surface is rough. It produced an uneven tactile sensation consistent with the surface of the ceramic material.

The metal plate 2 was specifically a galvanized steel sheet, a stainless steel sheet, an electric Zn-plated steel sheet, an aluminum plate or an aluminum plastic sheet, and had a thickness of 0.2 mm to 3.0 mm. The back surface chemical layer 21 and the chemical layer 22 were coated and formed on the back surface and the front surface of the metal plate 2, respectively, and the thicknesses were 0.05 μm to 1 μm and 0.05 μm to 1 μm, respectively. The back surface coating layer 1 was formed by coating on the back surface chemical layer 21 of the metal plate 2, and had a thickness of 3 μm to 10 μm. The anticorrosion base 3 was formed by coating on the chemical layer 22 of the metal plate 2 and had a thickness of 3 μm to 10 μm. The front paint layer 4 was formed by coating on the anticorrosion base 3, and was specifically a white paint layer or a multicolor aluminum powder paint layer, and had a thickness of 10 μm to 30 μm. The UV ink layer 5 was printed on the front paint layer 4 and formed of patterned UV ink. Its thickness was non-uniform, had a plurality of protrusions and dents, and had a thickness of 10 μm to 30 μm. The protective layer 6 is formed by coating on the UV ink layer 5, and the coating is uniform, the surface density is uniform, the thickness is uniform, the thickness is 3 μm to 30 μm, and the outer layer is consistent with the UV ink layer 5. It had surface morphology, i.e., had a number of corresponding protrusions and dents.

The manufacturing method of the metal color coating printing board is as follows. A chrome-free passivating agent is applied to the front and back surfaces of a galvanized steel sheet, a stainless steel sheet, an electric Zn-plated steel sheet, an aluminum plate or an aluminum plastic sheet to form a chemical layer 22 and a back surface chemical layer 21, respectively, and then they are formed. An anticorrosion primer and a back surface paint were applied onto the surface, respectively, to cure and form the anticorrosion base 3 and the back surface paint layer 1. A white paint layer or a multicolor aluminum powder paint was applied onto the anticorrosion base 3, and the white or multicolor front paint layer 4 was cured and formed. The UV ink layer 5 with uneven undulations was cured and formed by designing according to a desired pattern and digitally printing the UV ink on the front paint layer 4. The varnish was uniformly applied on the UV ink layer 5, and the transparent protective layer 6 was cured and formed to exhibit an uneven outer surface corresponding to the UV ink layer 5.

It is a housing for home appliances, which is used for the above decoration and includes a multi-layer composite color coating printed metal plate which is an outer layer material. The housing contained the above-mentioned multi-layer composite color coating printed metal plate, outer layer material for decoration. It can replace heavy ceramic housings or produce a more realistic wood grain effect, but avoids the drawbacks of being vulnerable to wood corrosion and is environmentally friendly, recyclable and reusable. rice field.

It is a decorative material, which includes a base material and the above-mentioned multi-layer composite color coating printed metal plate. The base material may be gypsum board, honeycomb panel, or the like, and the color-coated printed metal plate at least covers the surface of the base material. It can replace heavy ceramic housings or produce a more realistic wood grain effect, but avoids the drawbacks of being vulnerable to wood corrosion and is environmentally friendly, recyclable and reusable. rice field.

Example 1
It was a UV ink formed by using the following raw materials.
Modified urethane resin: The molecular weight was 1300 to 1900.
UV monomer: Acrylic resin, specifically 1,6-hexanediol diacrylate + polyethylene glycol acrylate.
Matted powder: It was silica.
Photoinitiator: 1-Hydroxycyclohexylphenyl ketone.
Auxiliary agent: Specifically an acrylic polymer, which served to contain a leveling agent, a wetting agent and an antifoaming agent.
Antibacterial agent: BBIT.
The method for preparing the UV ink was to mix each component in Example 1 at room temperature according to the ratio, and then uniformly stir with a stirrer. The ratio of each component is specifically shown in Table 1.
The method for manufacturing the multi-layer composite color coated printed metal plate according to this embodiment is as follows. A galvanized steel sheet, a stainless steel sheet, or an electric Zn-plated steel sheet is selected as the metal plate 2, and a chrome-free immobilizing agent is applied to the front surface and the back surface of the steel sheet to form the chemical layer 22 and the back surface chemical layer 21, respectively. Next, anticorrosion prima and backside paint were applied on them, respectively, and the anticorrosion base 3 and backside paint layer were cured and formed. Aluminum powder paint was applied on the anticorrosion base 3, and the white front paint layer 4 was cured and formed. The UV ink layer 5 was cured and formed by digitally printing the UV ink on the front coating layer 4 after designing according to a desired pattern. The varnish was uniformly applied on the UV ink layer 5 to cure and form the transparent protective layer 6.

Example 2
In this example, a multilayer composite color coated metal plate having the same structure as in Example 1 was provided, and the raw materials and doses of the UV ink used for the ink layer are shown in Table 1.

Example 3
In this example, a multilayer composite color coated metal plate having the same structure as in Example 1 was provided, and the raw materials and doses of the UV ink used for the ink layer are shown in Table 1.

Comparative Example 1
In this comparative example, a multilayer composite color coated metal plate having the same structure as in Example 1 was provided, and the raw materials and doses of the UV ink used for the ink layer are shown in Table 1. The amount of the polyurethane resin added to this comparative example was small, and the others were the same as in Example 1.

Comparative Example 2
In this comparative example, a multilayer composite color coated metal plate having the same structure as in Example 1 was provided, and the raw materials and doses of the UV ink used for the ink layer are shown in Table 1. No silica was added to this comparative example, and the others were the same as in Example 1.

Table 1 below shows the raw material ratios of the UV ink in the UV ink layer according to Examples 1 to 3 and Comparative Examples 1 and 2.

Table 2 shows the results of measuring the characteristics of the color-coated printed metal plates according to Examples 1 to 3 and Comparative Examples 1 and 2.

From Table 2, since the amount of the polyurethane resin added to Comparative Example 1 was small, the surface hardness, acid alkali resistance, and other surface stain resistance of the color-coated printed metal plate were significantly reduced.
Since silica was not added to Comparative Example 2, the surface hardness, acid alkali resistance, and other surface stain resistance of the color-coated printed metal plate were similarly reduced. The color-coated printed metal plate according to Examples 1 to 3 according to the present invention remarkably enhances the surface hardness by the synergistic effect of polyurethane resin and silica, and at the same time exhibits good bending performance and stain resistance, which is useful for processing. Moreover, it had excellent antibacterial and antifungal properties.

In order to more clearly explain the technical solution of the present invention, the accompanying drawings used to explain embodiments are briefly introduced below. Obviously, the drawings described below show only a portion of the embodiments of the present invention, and those skilled in the art can obtain other drawings according to the accompanying drawings without any creative work.

The invention requires priority for Chinese patent applications filed on April 26, 2019 with application numbers CN201920590392X and CN201910343202090, the entire contents of which are incorporated herein by reference.

1 Back paint layer 2 Metal plate 21 Back chemical layer 22 Chemical layer 3 Anticorrosion base 4 Front paint layer 5 UV ink layer 50 1st protrusion 6 Protective layer 60 2nd protrusion

Claims (36)

It is a multi-layer composite color coating printing metal plate including a metal plate, and the front surface of the metal plate has a chemical layer.
The multilayer composite color coated printed metal plate further includes a UV ink layer formed on the chemical layer and a protective layer formed on the UV ink layer.
The UV ink layer has a plurality of first protrusions and has a plurality of first protrusions.
Since the protective layer is uniformly applied on the UV ink layer, a plurality of second protrusions are formed on the protective layer.
A multilayer composite color coating printed metal plate, wherein the plurality of first protrusions of the UV ink layer and the plurality of second protrusions of the protective layer correspond to each other. The multilayer composite color coating printing metal plate further includes an anticorrosion base and a front coating layer, the anticorrosion base is formed on the chemical layer, the front coating layer is formed on the anticorrosion base, and the UV ink. The multilayer composite color coating printing metal plate according to claim 1, wherein the layer is formed on the front coating layer. The multilayer composite color coating printing metal plate according to claim 2, wherein the UV ink layer is printed on the front coating layer. The multilayer composite color coating according to claim 3, wherein the UV ink layer is printed on the front coating layer, formed of patterned UV ink, and has a plurality of protrusions and dents. Printed metal plate. The raw material of the UV ink is by weight.
Modified urethane resin 35-45 and
UV monomer 35-45 and
Matte powder 7-10 and
Containing photoinitiators 5-7 and auxiliary agents 1-3
The multilayer composite color coating printed metal plate according to claim 4, wherein the UV monomer is an acrylic resin. The multi-layer composite color coating printed metal plate according to claim 5, wherein the raw material of the UV ink further contains an antibacterial agent 0.3 to 0.5 in parts by weight. The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and has a plurality of protrusions and dents corresponding to the UV ink layer. 4. The multi-layer composite color coating printing metal plate according to 4. The multilayer composite color coating printing metal plate according to claim 1, wherein the front coating layer is a white paint layer or a multicolor aluminum powder paint layer. The multilayer composite color coating printing metal plate according to claim 1 or 2, wherein the plurality of first protrusions of the UV ink layer are uniformly distributed or randomly distributed. The multilayer composite color coating printed metal plate according to claim 1 or 2, wherein the first protrusion is a streak-like protrusion. The multi-layer composite color coating according to claim 10, wherein the UV ink layer and the protective layer each have an outer surface that matches the surface of wood, and the first protrusion has a shape that matches the grain of wood. Printed metal plate. The multilayer composite color coating printed metal plate according to claim 1 or 2, wherein the first protrusion is a dot-shaped protrusion. The multilayer composite color coating printed metal plate according to claim 12, wherein the UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material. The multilayer composite color coating printed metal plate according to claim 1 or 2, wherein the protective layer is a transparent paint layer. The multilayer composite color coating printing metal plate according to claim 1 or 2, wherein the back surface of the metal plate has a back surface chemical layer. The multilayer composite color coating printing metal plate according to claim 15, wherein the multilayer composite color coating printing metal plate further includes a back coating layer formed by coating on the back surface chemical layer. The color-coated metal plate is formed by laminating a back surface paint layer, a back surface chemical layer, a metal plate, a chemical layer, an anticorrosion base, a front surface paint layer, a UV ink layer, and a protective layer in this order.
The metal plate is a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate or an aluminum plastic sheet, and has a thickness of 0.2 mm to 3.0 mm.
A chemical layer is formed on the front surface of the metal plate, a back surface chemical layer is formed on the back surface of the metal plate, and the thickness of the chemical layer and the back surface chemical layer is 0.05 to 1 μm, respectively.
The back coating layer is formed by coating on the back chemical layer and has a thickness of 3 μm to 10 μm.
The anticorrosion base is formed by coating on the chemical layer and has a thickness of 3 μm to 10 μm.
The front paint layer is a white paint layer or a multicolor aluminum powder paint layer formed by coating on the anticorrosion base, and has a thickness of 3 μm to 30 μm.
The UV ink layer is printed on the front paint layer, formed of patterned UV ink, has a plurality of protrusions and dents, and has a thickness of 10 μm to 30 μm.
The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and a thickness of 3 μm to 30 μm, and has a plurality of protrusions and dents corresponding to the UV ink layer. Have,
The UV ink layer and the protective layer each have an outer surface corresponding to the surface of wood, and the first protrusion and the second protrusion are streaky protrusions having a shape matching the grain of wood, and a plurality of protrusions. The first protrusion is a multi-layer composite color coating printed metal plate characterized by having a random distribution. The color-coated metal plate is formed by laminating a back surface paint layer, a back surface chemical layer, a metal plate, a chemical layer, an anticorrosion base, a front surface paint layer, a UV ink layer, and a protective layer in this order.
The metal plate is a galvanized steel plate, a stainless steel plate, an electric Zn-plated steel plate, an aluminum plate or an aluminum plastic sheet, and has a thickness of 0.2 mm to 3.0 mm.
A chemical layer is formed on the front surface of the metal plate, a back surface chemical layer is formed on the back surface of the metal plate, and the thickness of the chemical layer and the back surface chemical layer is 0.05 to 1 μm, respectively.
The back coating layer is formed by coating on the back chemical layer and has a thickness of 3 μm to 10 μm.
The anticorrosion base is formed by coating on the chemical layer and has a thickness of 3 μm to 10 μm.
The front paint layer is a white paint layer or a multicolor aluminum powder paint layer formed by coating on the anticorrosion base, and has a thickness of 3 μm to 30 μm.
The UV ink layer is printed on the front paint layer, formed of patterned UV ink, has a plurality of protrusions and dents, and has a thickness of 10 μm to 30 μm.
The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and a thickness of 3 μm to 30 μm, and has a plurality of protrusions and dents corresponding to the UV ink layer. Have,
The UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material, the first protrusion and the second protrusion are dot-shaped protrusions, respectively, and the plurality of first protrusions are A multi-layer composite color coating printed metal plate characterized by having a random distribution. Multi-layer composite color coating printing metal plate including metal plate
The multilayer composite color coating printing metal plate further includes an anticorrosion base, a front coating layer, a UV ink layer, and a protective layer that are laminated on the front surface of the metal plate in order from the inside to the outside.
The UV ink layer has a plurality of first protrusions and has a plurality of first protrusions.
Since the protective layer is uniformly coated and formed on the UV ink layer, a plurality of second protrusions are formed on the protective layer.
A multilayer composite color coating printed metal plate, wherein the plurality of first protrusions of the UV ink layer and the plurality of second protrusions of the protective layer correspond to each other. The multilayer composite color coating printed metal plate according to claim 19, wherein the plurality of first protrusions of the UV ink layer are uniformly distributed or randomly distributed. The multilayer composite color coating printing metal plate according to claim 19, wherein the first protrusion is a streak-like protrusion. The multi-layer composite color coating according to claim 21, wherein the UV ink layer and the protective layer each have an outer surface that matches the surface of wood, and the first protrusion has a shape that matches the grain of wood. Printed metal plate. The multilayer composite color coating printing metal plate according to claim 19, wherein the first protrusion is a dot-shaped protrusion. The multilayer composite color coating printed metal plate according to claim 23, wherein the UV ink layer and the protective layer each have an outer surface that matches the surface of the ceramic material. The multilayer composite color coating printing metal plate according to claim 19, wherein a chemical layer is formed on the front surface of the metal plate, and the anticorrosion base is formed on the chemical layer. The multilayer composite color coating printing metal plate according to claim 19, wherein the UV ink layer is printed on the front coating layer. 26. The multilayer composite color coating according to claim 26, wherein the UV ink layer is printed on the front coating layer, formed of patterned UV ink, and has a plurality of protrusions and dents. Printed metal plate. The raw materials for the UV ink are 35 to 45 modified urethane resins by weight.
UV monomer 35-45 and
Matte powder 7-10 and
Containing photoinitiators 5-7 and auxiliary agents 1-3
The multilayer composite color coating printed metal plate according to claim 27, wherein the UV monomer is an acrylic resin. The multi-layer composite color coating printed metal plate according to claim 28, wherein the raw material of the UV ink further contains an antibacterial agent 0.3 to 0.5 in parts by weight. The protective layer is formed by coating on the UV ink layer, has a uniform surface density, a uniform thickness, and has a plurality of protrusions and dents corresponding to the UV ink layer. 29. The multilayer composite color coating printing metal plate according to 29. The multilayer composite color coating printing metal plate according to claim 19, wherein a back surface chemical layer is formed on the back surface of the metal plate. The multilayer composite color coating printing metal plate according to claim 31, wherein the multilayer composite color coating printing metal plate further includes a back coating layer formed by coating on the back surface chemical layer. The multilayer composite color coating printing metal plate according to claim 19, wherein the front coating layer is a white paint layer or a multicolor aluminum powder paint layer. The multi-layer composite color coating printed metal plate according to claim 19, wherein the protective layer is a transparent paint layer. A housing for a home electric appliance, wherein the housing includes the multi-layer composite color coating printed metal plate according to any one of claims 1 to 34. A decorative material containing a base material, wherein the decorative material includes the multi-layer composite color coating printing metal plate according to any one of claims 1 to 34, and the multi-layer composite color coating printing metal plate is the base. A decorative material characterized by being provided on the surface of the material.

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