CN211307735U - Alkali-resistant dazzling empty PCM composite steel plate - Google Patents
Alkali-resistant dazzling empty PCM composite steel plate Download PDFInfo
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- CN211307735U CN211307735U CN201921433104.6U CN201921433104U CN211307735U CN 211307735 U CN211307735 U CN 211307735U CN 201921433104 U CN201921433104 U CN 201921433104U CN 211307735 U CN211307735 U CN 211307735U
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Abstract
The utility model discloses an empty PCM clad steel plate of system is dazzled to alkali-resisting relates to composite board technical field. The utility model comprises a galvanized substrate; a first chromium-free passivation layer is arranged on the upper surface of the galvanized substrate; a second chromium-free passivation layer is arranged on the lower surface of the galvanized substrate; the surface of the first chromium-free passivation layer is coated with a polyurethane primer layer; the surface of the polyurethane primer layer is coated with a dazzling empty gray polyester resin layer; the thickness of the dazzling empty gray polyester resin layer is 15-20 mu m; the surface of the dazzling empty grey polyester resin layer is coated with an alkali-resistant finishing coating; the surface of the alkali-resistant overprint varnish coating is coated with an acrylic adhesive layer, and is adhered with a PE layer through the acrylic adhesive layer; the surface of the second chromium-free passivation layer is coated with an epoxy back paint layer. The utility model coats the dazzling empty gray polyester resin layer on the galvanized substrate and coats the alkali-resistant finishing coat on the surface of the dazzling empty gray polyester resin layer; the problem of poor alkali resistance of the existing composite steel plate is solved; meanwhile, the overall attractiveness of the composite steel plate is improved.
Description
Technical Field
The utility model belongs to the technical field of composite board, especially, relate to an empty PCM clad steel plate is dazzled to alkali-resisting.
Background
With the improvement of the living standard of people, the living of people is exquisite, and the requirements of users on the appearance and the quality of products are continuously improved; the color of the refrigerator panel in the household appliance industry is paid attention to, and products with certain innovations in appearance and performance are searched.
Meanwhile, the metal corrosion problem always hinders the development of the household appliance industry; the demand for alkali resistance of refrigerator panels is also increasing; the existing composite steel plate has poor alkali resistance; therefore, the development of a clad steel sheet which is more beautiful in appearance and can greatly improve the alkali resistance of the product is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an alkali-resistant dazzling empty PCM composite steel plate, which is characterized in that a dazzling empty gray polyester resin layer is coated on a galvanized substrate, and an alkali-resistant finishing coat is coated on the surface of the dazzling empty gray polyester resin layer; the problem of poor alkali resistance of the existing composite steel plate is solved; meanwhile, the overall attractiveness of the composite steel plate is improved.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an alkali-resistant dazzling empty PCM composite steel plate, which comprises a galvanized substrate; a first chromium-free passivation layer is arranged on the upper surface of the galvanized substrate; a second chromium-free passivation layer is arranged on the lower surface of the galvanized substrate;
the surface of the first chromium-free passivation layer is coated with a polyurethane primer layer; the surface of the polyurethane primer layer is coated with a dazzling empty gray polyester resin layer;
the thickness of the dazzling empty gray polyester resin layer is 15-20 mu m; the surface of the dazzling empty grey polyester resin layer is coated with an alkali-resistant finishing coating;
the surface of the alkali-resistant overprint varnish coating is coated with an acrylic adhesive layer, and is adhered with a PE layer through the acrylic adhesive layer;
and an epoxy back paint layer is coated on the surface of the second chromium-free passivation layer.
Further, the thickness of the zinc-plated base plate is 0.4-0.5 μm.
Further, the first chromium-free passivation layer and the second chromium-free passivation layer both have a thickness of 3-5 μm; and the surface of the first chromium-free passivation layer is provided with wave-shaped patterns.
Further, the thickness of the polyurethane primer layer is 5-8 μm; and the joint surface of the polyurethane primer layer and the dazzling empty gray polyester resin layer is provided with wave-shaped patterns.
Further, the thickness of the alkali-resistant overprint varnish is 5-8 μm.
Further, the thickness of the epoxy back paint layer is 5-7 μm.
The utility model discloses following beneficial effect has:
the utility model coats the dazzling empty gray polyester resin layer on the galvanized substrate and coats the alkali-resistant finishing coat on the surface of the dazzling empty gray polyester resin layer; the alkali resistance of the composite steel plate is greatly improved, and the service life of the product is effectively prolonged; meanwhile, the appearance of the product is more in line with modern aesthetic examination, and the overall aesthetic degree of the product is improved.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an alkali-resistant dazzling empty PCM composite steel plate of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the coating comprises the following components, by weight, 1-a galvanized substrate, 2-a first chromium-free passivation layer, 3-a second chromium-free passivation layer, 4-a polyurethane primer layer, 5-a dazzling grey polyester resin layer, 6-an alkali-resistant finishing coating, 7-an acrylic acid adhesive layer, 8-a PE layer and 9-an epoxy back paint layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "thickness", and the like, indicate positional or orientational relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1, the utility model relates to an alkali-resistant dazzling empty PCM composite steel plate, which comprises a galvanized substrate 1; the upper surface of the galvanized substrate 1 is provided with a first chromium-free passivation layer 2; a second chromium-free passivation layer 3 is arranged on the lower surface of the galvanized substrate 1; respectively obtaining a first chromium-free passivation layer 2 and a second chromium-free passivation layer 3 on the upper surface and the lower surface of the galvanized substrate 1 through passivation treatment;
wherein the thickness of the galvanized substrate 1 is 0.4-0.5 μm; the thickness of the first chromium-free passivation layer 2 and the second chromium-free passivation layer 3 is 3-5 μm; the surface of the first chromium-free passivation layer 2 is provided with wavy patterns, the wavy patterns are favorable for improving the adhesive force to a coating, the wavy patterns are rolled on the surface of the first chromium-free passivation layer 2 through a pattern roller, and the cross section of the indentation of the wavy patterns is arc-shaped, so that the internal stress inside the galvanized substrate 1 can be reduced.
The surface of the second chromium-free passivation layer 3 is coated with an epoxy back paint layer 9; the thickness of the epoxy back paint layer 9 is 5-7 μm; the epoxy back paint layer 9 is used for further protecting the galvanized substrate 1, such as preventing rusting.
The surface of the first chromium-free passivation layer 2 is coated with a polyurethane primer layer 4; after the polyurethane primer layer 4 is dried, the surface of the polyurethane primer layer is coated with a dazzling empty gray polyester resin layer 5;
wherein the thickness of the polyurethane primer layer 4 is 5-8 μm; the joint surface of the polyurethane primer layer 4 and the dazzling empty gray polyester resin layer 5 is provided with wave-shaped patterns, the wave-shaped pattern structure is the same as that of the surface of the first chromium-free passivation layer 2, and longitudinal and transverse shear stress can be effectively improved by adopting a wave-shaped pattern mechanism.
The thickness of the dazzling empty gray polyester resin layer 5 is 15-20 mu m; the surface of the dazzling empty gray polyester resin layer 5 is coated with an alkali-resistant finishing coating 6; wherein the thickness of the alkali-resistant finishing coat 6 is 5-8 μm; alkali-resistant finishing coat 6 can effectual improvement hydrophobicity and alkali resistance to protecting dazzling empty grey polyester resin layer 5, improving the holistic life of PCM clad steel plate.
The surface of the alkali-resistant overprint varnish coating 6 is coated with an acrylic adhesive layer 7, and a PE layer 8 is adhered through the acrylic adhesive layer 7; the PE layer 8 is used to protect the coating, e.g. from scratches, etc.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The alkali-resistant dazzling empty PCM composite steel plate comprises a galvanized substrate (1); the method is characterized in that: a first chromium-free passivation layer (2) is arranged on the upper surface of the galvanized substrate (1); a second chromium-free passivation layer (3) is arranged on the lower surface of the galvanized substrate (1);
the surface of the first chromium-free passivation layer (2) is coated with a polyurethane primer layer (4); the surface of the polyurethane primer layer (4) is coated with a dazzling empty gray polyester resin layer (5);
the thickness of the dazzling empty gray polyester resin layer (5) is 15-20 mu m; the surface of the dazzling empty gray polyester resin layer (5) is coated with an alkali-resistant finishing coating (6);
the surface of the alkali-resistant overprint varnish coating (6) is coated with an acrylic adhesive layer (7), and a PE layer (8) is adhered through the acrylic adhesive layer (7);
the surface of the second chromium-free passivation layer (3) is coated with an epoxy back paint layer (9).
2. The alkali-resistant flash PCM composite steel plate according to claim 1, wherein the galvanized substrate (1) has a thickness of 0.4-0.5 μm.
3. The alkali-resistant flash PCM composite steel plate according to claim 1, wherein the first chromium-free passivation layer (2) and the second chromium-free passivation layer (3) both have a thickness of 3-5 μm; the surface of the first chromium-free passivation layer (2) is provided with wavy patterns.
4. The alkali-resistant flash PCM composite steel plate according to claim 1, wherein the thickness of the polyurethane primer layer (4) is 5-8 μm; and a wavy pattern is arranged on the joint surface of the polyurethane primer layer (4) and the dazzling empty gray polyester resin layer (5).
5. The alkali-resistant flash PCM composite steel plate according to claim 1, wherein the thickness of the alkali-resistant finishing coating (6) is 5-8 μm.
6. The alkali-resistant flash PCM composite steel plate according to claim 1, wherein the thickness of the epoxy back paint layer (9) is 5-7 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433104.6U CN211307735U (en) | 2019-08-30 | 2019-08-30 | Alkali-resistant dazzling empty PCM composite steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433104.6U CN211307735U (en) | 2019-08-30 | 2019-08-30 | Alkali-resistant dazzling empty PCM composite steel plate |
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| Publication Number | Publication Date |
|---|---|
| CN211307735U true CN211307735U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921433104.6U Active CN211307735U (en) | 2019-08-30 | 2019-08-30 | Alkali-resistant dazzling empty PCM composite steel plate |
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| Country | Link |
|---|---|
| CN (1) | CN211307735U (en) |
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- 2019-08-30 CN CN201921433104.6U patent/CN211307735U/en active Active
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