CN216893114U - Color coated sheet with texture - Google Patents
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- CN216893114U CN216893114U CN202220420333.XU CN202220420333U CN216893114U CN 216893114 U CN216893114 U CN 216893114U CN 202220420333 U CN202220420333 U CN 202220420333U CN 216893114 U CN216893114 U CN 216893114U
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Abstract
The application provides a color-coated sheet with texture includes: a substrate, a passivation layer, a primer layer, a tactile coating and a backing paint layer; a first passivation layer and a second passivation layer are respectively arranged on two sides of the substrate; the passivation layer is arranged on the surface of the substrate, and the primer layer is arranged on one side of the passivation layer; the side, far away from the passivation layer, of the primer layer is provided with the touch coating; the other side of the passivation layer is provided with the back paint layer. The touch coating is arranged, so that the color-coated sheet is better in hand feeling, the touch effect is achieved when the surface of the product is provided with texture patterns, and the product competitiveness is improved.
Description
Technical Field
The application relates to the technical field of color-coated sheets, in particular to a color-coated sheet with textures.
Background
PCM (Prepainted Steel Sheet), referred to as a color coated Sheet for short, is a composite material with an organic coating, and has the advantages of good decoration, energy saving, environmental protection, easy forming, low cost and the like, so that the application of the PCM in recent years is gradually expanded from the building field to the household appliance field, and is commonly used for televisions, refrigerator back boards and the like.
The color-coated plate is prepared by taking a common galvanized plate as a substrate, taking the common galvanized plate as the substrate, performing surface pretreatment (degreasing, cleaning and chemical conversion treatment) on a color coating line, coating a primer (curing and cooling), printing various kinds of ink (drying and cooling), coating a varnish (curing and cooling), and rolling a finished product. The production process flow of the color-coated plate mainly comprises the following steps: common galvanized substrate → uncoiling → pretreatment → painting (common oil paint) → baking → cooling → coiling → finished product.
The existing color-coated sheet has no touch effect, does not have hand feeling, and has poor user experience.
SUMMERY OF THE UTILITY MODEL
In view of the problems, the present application is directed to providing a textured color coated sheet that overcomes or at least partially solves the problems, comprising:
a textured color coated sheet comprising: a substrate, a passivation layer, a primer layer, a tactile coating and a backing paint layer; a first passivation layer and a second passivation layer are respectively arranged on two sides of the substrate; the passivation layer is arranged on the surface of the substrate, and the primer layer is arranged on one side of the passivation layer; the side, far away from the passivation layer, of the primer layer is provided with the touch coating; the other side of the passivation layer is provided with the back paint layer.
Preferably, the passivation layer includes a first passivation layer and a second passivation layer;
the priming paint layer is arranged on one side, away from the substrate, of the first passivation layer, and the back paint layer is arranged on one side, away from the substrate, of the second passivation layer.
Preferably, the tactile coating is a composite film layer; the composite film layer comprises a coating, an ink layer and a back adhesive layer which are sequentially arranged, wherein the back adhesive layer is arranged on one side, away from the first passivation layer, of the priming paint layer.
Preferably, the substrate includes a metal substrate, a first zinc plating layer, and a second zinc plating layer; the first zinc coating and the second zinc coating are respectively arranged on two sides of the metal substrate; the first passivation layer is arranged on one side, away from the metal substrate, of the first zinc coating layer; and one side of the second zinc coating layer, which is far away from the metal substrate, is provided with the second passivation layer.
Preferably, the back paint layer comprises a first back paint layer and a second back paint layer; the surface of the second passivation layer is provided with the first back paint layer; the surface of the first back paint layer is provided with the second back paint layer.
Preferably, the primer layer is a colored anti-corrosive primer layer.
Preferably, the thickness of the topcoat layer is 3-7 μm.
Preferably, the thickness of the primer layer is 5 to 15 μm.
Preferably, the first passivation layer and the second passivation layer have the same thickness, and the thickness of the first passivation layer is 0.2-2 μm.
Preferably, the thickness of the back paint layer is 3-15 μm.
The application has the following advantages:
in embodiments of the present application, the touch sensitive coating is formed by a substrate, a passivation layer, a primer layer, a tactile coating, and a topcoat layer; a first passivation layer and a second passivation layer are respectively arranged on two sides of the substrate; the passivation layer is arranged on the surface of the substrate, and the primer layer is arranged on one side of the passivation layer; the side, far away from the passivation layer, of the primer layer is provided with the touch coating; the other side of the passivation layer is provided with the back paint layer. The touch coating is arranged, so that the color-coated sheet is better in hand feeling, the touch effect is achieved when the surface of the product is provided with texture patterns, and the product competitiveness is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a color-coated plate with texture according to an embodiment of the present disclosure.
The reference numbers in the drawings of the specification are as follows:
1. a substrate; 2. a second passivation layer; 3. a first passivation layer; 4. a back paint layer; 5. a primer layer; 6. a tactile coating; 7. and a finishing paint layer.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a color-coated plate with texture provided by an embodiment of the present application is shown, including: a substrate 1, a first passivation layer 3, a second passivation layer 2, a primer layer 5, a tactile coating 6 and a back paint layer 4; the passivation layer is arranged on the surface of the substrate 1, and the primer layer 5 is arranged on one side of the passivation layer; the side, far away from the passivation layer, of the primer layer 5 is provided with the touch coating 6, and the side, far away from the primer layer 5, of the touch coating 6 is provided with a finishing paint layer 7; the other side of the passivation layer is provided with the back paint layer 4.
In the embodiment of the present application, the first passivation layer 3, the second passivation layer 2, the primer layer 5, the tactile coating layer 6, and the back paint layer 4; a first passivation layer 3 and a second passivation layer 2 are respectively arranged on two sides of the substrate 1; the side of the first passivation layer 3 far away from the second passivation layer 2 is provided with the primer layer 5; the side of the primer layer 5 away from the first passivation layer 3 is provided with the tactile coating 6; one side of the second passivation layer 2, which is far away from the first passivation layer 3, is provided with the back paint layer 4. The touch coating 6 is arranged, so that the color-coated sheet is better in hand feeling, the touch effect is achieved when the surface of the product is provided with texture patterns, and the product competitiveness is improved.
Next, a color-coated sheet with a texture in the present exemplary embodiment will be further described.
In the present embodiment, the passivation layers include a first passivation layer 3 and a second passivation layer 2; the priming paint layer 5 is arranged on one side, away from the substrate 1, of the first passivation layer 3, and the back paint layer 4 is arranged on one side, away from the substrate 1, of the second passivation layer.
In a specific embodiment of the present application, a color-coated plate is prepared by performing passivation on a substrate 1 to form a first passivation layer 3 and a second passivation layer 2 on two side surfaces of the substrate 1; coating a colored anti-corrosion primer on the surface of the first passivation layer 3 to form a primer layer 5; semi-curing and heating the primer, and laminating a composite film containing a touch coating 6, printing ink and gum on the surface of the primer layer 5 by hot pressing to form the touch coating 6; applying a varnish to the surface of the tactile coating 6 to form a topcoat layer 7; and curing and heating the finish paint layer 7, and simultaneously, carrying out secondary curing on the primer paint layer 5 to obtain the color-coated plate with the texture.
In the embodiment of the application, a first passivation layer 3 and a second passivation layer 2 are formed on two side surfaces of a substrate 1 by passivating the substrate 1; coating a colored anti-corrosion primer on the surface of the first passivation layer 3 to form a primer layer 5; semi-curing and heating the primer, and laminating a composite film containing a touch coating 6, printing ink and gum on the surface of the primer layer 5 by hot pressing to form the touch coating 6; applying a varnish to the surface of the tactile coating 6 to form a topcoat layer 7; and curing and heating the finish paint layer 7, and simultaneously, carrying out secondary curing on the primer paint layer 5 to obtain the color-coated plate with textures. The product has texture patterns on the surface and touch effect, so that the product performance is improved, and the hardness is higher; equipment operation is reduced in the production process, process pollution is reduced, ink inventory management and engraving roll management are reduced, waste of a production line ink color mixing tester is reduced, and odor volatilization, smoke emission, staff injury, fire hazard and the like caused by ink are reduced; reducing equipment capital investment, etc. Reduces the production cost, does not contain PVC (polyvinyl chloride), is environment-friendly, and has no limit on export. The plate has layering effect, can be made into various colors, has high definition and accuracy of patterns, can realize different personalized customized textures, has vivid effect and good stereoscopic impression, and can be used as a touch effect. The existing mature transfer printing film can be used, and the cost of roller engraving in the development process is reduced.
As an example, a passivation process is performed on a substrate 1, so that a first passivation layer 3 and a second passivation layer 2 are formed on both side surfaces of the substrate 1.
In an embodiment of the present invention, a specific process of "performing passivation on the substrate 1 to form the first passivation layer 3 and the second passivation layer 2 on the two side surfaces of the substrate 1" may be further described with reference to the following description.
Pretreating an initial substrate to obtain the substrate 1 as described in the following steps; wherein the initial substrate is a stainless steel substrate or a galvanized substrate; and if the zinc plating is basic, performing zinc plating treatment on the metal substrate to form the first zinc plating layer and the second zinc plating layer on the surface of the metal substrate to obtain the zinc-plated substrate.
As an example, galvanization of substantially both sides covered with the first and second galvanization layers can prevent the initial substrate surface from being corroded, thereby extending the service life of the color-coated sheet; the stainless steel substrate has the same function and can effectively prevent the surface of the initial substrate from being corroded.
In an embodiment of the present application, an uncoiling process is performed on the initial substrate to obtain a first substrate; carrying out pre-cleaning treatment on the first substrate to obtain a second substrate; and drying the second substrate to obtain the substrate.
As an example, a zinc-plated substrate or a stainless steel substrate → uncoiling → precleaning → drying → passivating, the precleaning step includes degreasing treatment, and the drying step is carried out, specifically, the drying time is about 4-6s, and the drying temperature is 60-80 ℃.
In a specific embodiment, the drying time is 4s, 5s or 6s, and the drying temperature is 60 ℃, 70 ℃ or 80 ℃; if the drying time is 4s and the drying temperature is 80 ℃; if the drying time is 5s and the drying temperature is 70 ℃; if the drying time is 6s, the drying temperature is 60 ℃.
Referring to fig. 1, if the initial substrate is a galvanized substrate, the surface of the second galvanized layer is passivated to form the second passivation layer 2, and the surface of the first galvanized layer is passivated to form the first passivation layer 3. The first and second passivation layers 3 and 2 may improve corrosion resistance of the first and second zinc plating layers.
In a specific embodiment of the present application, the second zinc coating layer is passivated, so that the second passivation layer 2 is formed on the surface of the second zinc coating layer. Specifically, the second zinc coating is passivated by chromium-free passivation or chromium-containing passivation, so that the second passivation layer 2 is formed on the surface of the second zinc coating.
In a specific embodiment of the present application, the substrate 1 includes a metal substrate, a first zinc plating layer, and a second zinc plating layer; the first zinc coating and the second zinc coating are respectively arranged on two sides of the metal substrate; the first passivation layer 3 is arranged on one side, away from the metal substrate, of the first zinc coating layer; and the second passivation layer 2 is arranged on one side of the second zinc coating layer, which is far away from the metal substrate.
In a specific embodiment of the present application, the passivation process is performed on the second zinc coating layer, so that the second passivation layer 2 is formed on the surface of the second zinc coating layer. Specifically, the second zinc coating is passivated by chromium-free passivation or chromium-containing passivation, so that the second passivation layer 2 is formed on the surface of the second zinc coating.
In a specific embodiment of the present application, the substrate 1 includes a metal substrate 1, a first zinc plating layer, and a second zinc plating layer; the first zinc coating and the second zinc coating are respectively arranged on two sides of the metal substrate 1; the first passivation layer 3 is arranged on one side, away from the metal substrate 1, of the first zinc coating layer; and the second passivation layer 2 is arranged on one side of the second zinc coating layer, which is far away from the metal substrate 1.
In a specific embodiment of the present application, the thicknesses of the first passivation layer 3 and the second passivation layer 2 are the same, and the thickness of the first passivation layer 3 is 0.2-2 μm; for example, the first passivation layer 3 has a thickness of 0.2 μm, and the second passivation layer 2 has a thickness of 0.2 μm.
In a specific embodiment of the present application, the thicknesses of the first passivation layer 3 and the second passivation layer 2 are different, the thickness of the first passivation layer 3 is 0.2-2 μm, and the thickness of the second passivation layer 2 is 0.2-2 μm; for example, the thickness of the first passivation layer 3 is 0.2 μm, and the thickness of the second passivation layer 2 is 0.3 μm; for example, the first passivation layer 3 has a thickness of 0.3 μm, and the second passivation layer 2 has a thickness of 0.2 μm.
In the present embodiment, the thickness of the first passivation layer 3 is 0.2-1.2 μm, preferably 0.2 μm, 0.4 μm, 0.7 μm, 1 μm, 1.2 μm, or 2 μm.
In the present embodiment, the thickness of the second passivation layer 2 is 0.2-1.2 μm, preferably 0.2 μm, 0.4 μm, 0.7 μm, 1 μm, 1.2 μm or 2 μm.
In this embodiment, the thickness of the substrate 1 is 0.3mm to 1.5mm, preferably 0.3mm, 0.5mm, 0.75mm, 1mm, or 1.5 mm.
In the embodiment, the surface density of the first zinc coating layer and the second zinc coating layer is 20-150g/m2, preferably 20g/m2, 50g/m2, 80g/m2, 120g/m2 or 150g/m 2.
As an example, the method further comprises coating the surface of the second passivation layer 2 with a back paint, wherein the back paint layer 4 comprises a first back paint layer 4 and a second back paint layer 4; the surface of the second passivation layer 2 is provided with the first back paint layer 4; the surface of the first back paint layer 4 is provided with the second back paint layer 4. The thickness of the back paint layer 4 is 3-15 μm.
In a particular embodiment of the application, the thickness of the backing lacquer layer 4 is 3-15 μm, preferably 3 μm, 4 μm, 5 μm, 6 μm, 7.5 μm or 15 μm.
As an example, a colored anti-corrosion primer is coated on the surface of the first passivation layer 3 to form a primer layer 5.
In an embodiment of the present invention, a specific process of applying a colored anti-corrosion primer on the surface of the first passivation layer 3 to form the primer layer 5 may be further described in conjunction with the following description.
As an example, the first passivation layer 3 is dried, and then the colored anti-corrosion primer is coated on the surface of the first passivation layer 3 to form the primer layer 5, where the drying step is the same as above, specifically, the drying time is about 4 to 6s, and the drying temperature is 60 to 80 ℃, and will not be repeated herein.
In a specific embodiment of the present application, the primer layer 5 is a colored anti-corrosive primer layer 5. The thickness of the primer layer 5 is 5 to 15 μm. The thickness of the backing paint layer 4 is 5-15 μm, preferably 5 μm, 6 μm, 7 μm, 7.5 μm, 8 μm or 15 μm.
As an example, the primer is heated for semi-curing, and a composite film containing the tactile coating 6, ink, and a back adhesive is attached to the surface of the primer layer 5 by thermal pressing to form the tactile coating 6.
In an embodiment of the present invention, a specific process of "performing semi-curing heating on the primer and applying a composite film containing the tactile coating 6, ink and a back adhesive on the surface of the primer layer 5 by hot pressing to form the tactile coating 6" may be further described with reference to the following description.
As an example, the temperature of the semi-curing heating is 160-190 ℃, the semi-curing heating is to heat the primer not to the complete curing state, the curing temperature of the primer is 216-232 ℃, but the semi-curing is adopted when the temperature of the primer plate is cured, namely the plate temperature is about 160-190 ℃, and the complete curing state is not reached.
In a specific embodiment of the present application, the primer coating is applied to the steel plate by a roller coating apparatus, baked (heated to a semi-cured state); and under the action of high temperature and high pressure, the composite film containing the touch coating 6, the printing ink and the gum is attached in a hot-pressing manner.
As an example, the temperature of the semi-curing heating is 160-190 ℃, the time is 40-90 seconds, preferably 65 seconds, under the high temperature state of 160-190 ℃, the solvent of the primer layer is substantially dried, but the cross-linking curing state is not reached, the plate temperature set for the primer to be completely cross-linked and cured is 224-232 ℃, and the purpose of the semi-curing heating is now that the composite film containing the touch coating, the ink and the back adhesive which is subsequently attached can permeate into the primer layer under the high temperature and high pressure; the semi-curing heating is to heat the primer to a complete curing state without heating the primer, wherein the curing temperature of the primer is 224-232 ℃, but semi-curing is adopted during the curing of the primer plate, namely the plate temperature is about 160-190 ℃, the complete curing state is not reached, and the primer is cured at a specified temperature, namely 224-232 ℃; the primer is cured with increasing temperature to a specified temperature in a fully cured state.
The colored anticorrosive primer is a thermosetting coating material, and the thermosetting coating material is a coating material containing a thermosetting resin as a main film-forming substance, and when the coating material is cured, the film-forming substance in the coating film becomes a hard, insoluble and infusible polymer network structure through a reaction such as crosslinking. The thermosetting coating is prepared by coating resin with small molecular weight, which is subjected to chemical crosslinking reaction with a curing agent under the condition of heating and baking to obtain a coating film with good performance, wherein the thermosetting coating is prepared from the thermosetting resin, the curing agent, a pigment, a filler and an auxiliary agent through premixing, melt extrusion, crushing and grading sieving.
In one embodiment of the utility model, the primer is semi-cured and heated, and a composite film containing a touch coating 6, ink and gum is attached to the surface of the primer layer 5 in a hot-pressing manner to form a first touch coating 6; wherein, the surface of the composite film is also covered with a release film; the first tactile coating 6 is cooled, and the release film on the surface of the first tactile coating 6 is peeled off to obtain the tactile coating 6.
As an example, the tactile coating 6 is a composite film layer; the composite film layer comprises a coating, an ink layer and a back adhesive layer which are sequentially arranged, wherein the back adhesive layer is arranged on one side, away from the first passivation layer 3, of the priming paint layer 5. Compared with hot coating: the product has the advantages of obvious cost advantage, no PVC, environmental protection, no limit to export, better partial performance than that of a film-coated plate, stronger surface hardness and better baking resistance and weather resistance. Compared with a printing plate: the ink inventory management and the carving roller management are reduced, the waste of the ink color mixing tester of a production line is reduced, and the odor volatilization, the smoke emission, the staff injury, the fire hazard and the like caused by the ink are reduced; the product is relatively high-end, has the layering effect, one color picture board can be made into 5-6 colors, the patterns are high in definition and accurate, different personalized customized textures can be realized, the effect is vivid, the stereoscopic impression is good, and the touch effect can be made. The existing mature transfer printing film can be used, and the cost of roller engraving in the development process is reduced.
As an example, the surface of the tactile coating 6 is coated with a varnish to form a topcoat layer 7.
In an embodiment of the present invention, a specific process of the step "applying varnish to the surface of the tactile coating 6 to form the topcoat layer 7" may be further described in conjunction with the following description.
As an example, the thickness of the topcoat layer 7 is 3-7 μm, preferably 3 μm, 4 μm, 5 μm, 6 μm or 7 μm.
As an example, the topcoat layer 7 is subjected to curing heating while the primer layer 5 is subjected to secondary curing, to obtain a textured color-coated sheet.
In an embodiment of the present invention, a specific process of "curing and heating the topcoat layer 7 and performing secondary curing on the primer layer 5 to obtain a textured color-coated board" can be further described with reference to the following description.
As an example, the topcoat layer 7 is subjected to curing heating while the primer layer 5 is subjected to secondary curing, and then subjected to cooling treatment and winding up to obtain a textured color coated sheet. The linear speed of the coiling is 15-60 m/min.
In one embodiment, the cooling process is a water cooling and air cooling process. Cooling to below 45 deg.C or normal temperature.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is made on the color-coated sheet with texture provided by the present application, and the principle and the implementation manner of the present application are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A color-coated sheet with texture, comprising: a substrate, a passivation layer, a primer layer, a tactile coating and a backing paint layer; the passivation layer is arranged on the surface of the substrate, and the primer layer is arranged on one side of the passivation layer; the side, far away from the passivation layer, of the primer layer is provided with the touch coating, and the side, far away from the primer layer, of the touch coating is provided with a finish paint layer; the other side of the passivation layer is provided with the back paint layer.
2. The textured color-coated plate of claim 1, wherein the passivation layers comprise a first passivation layer and a second passivation layer;
the priming paint layer is arranged on one side, away from the substrate, of the first passivation layer, and the back paint layer is arranged on one side, away from the substrate, of the second passivation layer.
3. The textured color-coated sheet of claim 2, wherein the tactile coating is a composite film layer; the composite film layer comprises a coating, an ink layer and a back adhesive layer which are sequentially arranged, wherein the back adhesive layer is arranged on one side, away from the first passivation layer, of the priming paint layer.
4. The textured color-coated sheet according to claim 2, wherein the substrate comprises a metal substrate, a first galvanized layer, and a second galvanized layer; the first zinc coating and the second zinc coating are respectively arranged on two sides of the metal substrate; the first passivation layer is arranged on one side, away from the metal substrate, of the first zinc coating layer; and one side of the second zinc coating layer, which is far away from the metal substrate, is provided with the second passivation layer.
5. The textured color-coated sheet of claim 2, wherein the backcoat layer comprises a first backcoat layer and a second backcoat layer; the surface of the second passivation layer is provided with the first back paint layer; the surface of the first back paint layer is provided with the second back paint layer.
6. The textured color-coated sheet of claim 1, wherein the primer layer is a colored corrosion resistant primer layer.
7. The textured color coated sheet of claim 2, wherein the topcoat layer has a thickness of 3-7 μ ι η.
8. The textured color-coated sheet of claim 1, wherein the primer layer has a thickness of 5-15 μm.
9. The textured color-coated plate of claim 2, wherein the first and second passivation layers are the same thickness, and the first passivation layer has a thickness of 0.2-2 μm.
10. The textured color coated sheet of claim 1, wherein the thickness of the backing paint layer is 3-15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220420333.XU CN216893114U (en) | 2022-02-28 | 2022-02-28 | Color coated sheet with texture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220420333.XU CN216893114U (en) | 2022-02-28 | 2022-02-28 | Color coated sheet with texture |
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| Publication Number | Publication Date |
|---|---|
| CN216893114U true CN216893114U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220420333.XU Active CN216893114U (en) | 2022-02-28 | 2022-02-28 | Color coated sheet with texture |
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| CN (1) | CN216893114U (en) |
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- 2022-02-28 CN CN202220420333.XU patent/CN216893114U/en active Active
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