Novel high-content inorganic matter steel-aluminum composite board

By employing a sandwich structure consisting of high-quality steel plates, a hybrid core layer, and a high-performance coating, the shortcomings of aluminum-plastic composite panels in terms of fire resistance, hardness, and acoustic insulation have been overcome. This results in a high-strength, fire-resistant, and sound-insulating composite panel suitable for high-end buildings and transportation vehicles, while reducing costs and construction complexity.

CN223864504UActive Publication Date: 2026-02-03JIANGSU YATAI TECH IND PARK CO LTD
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Patent Information

Application Number
CN202422535320.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2026-02-03
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

Existing aluminum-plastic composite panels are inadequate in terms of fire resistance, hardness, scratch resistance, and acoustic insulation, making it difficult to meet the needs of high-end buildings and transportation vehicles. Furthermore, market quality is declining, and costs and construction complexity are increasing.

Method used

It adopts a sandwich structure of panel, base plate and hybrid core layer. The panel and base plate are made of high-quality steel plate, the hybrid core layer is composed of lightweight calcium carbonate, PE plastic and nanomaterials, the sound-absorbing layer is polyurethane foam, and the surface is coated with a high-performance coating. It is formed by continuous composite with high-molecular PE film to form a high-strength, fireproof and sound-insulating composite board.

Benefits of technology

It significantly improves the strength, fire resistance, sound insulation and corrosion resistance of composite panels, reduces costs, broadens the application range, meets the needs of high-end buildings and transportation vehicles, and simplifies the construction process.

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Abstract

The utility model discloses a novel high-content inorganic matter steel-aluminum composite plate which comprises a face plate, a bottom plate and a mixed core layer, the mixed core layer is arranged between the face plate and the bottom plate, and the face plate, the bottom plate and the mixed core layer are formed by continuous compounding through macromolecule PE films to form a sandwich structure. And high-performance coatings are arranged on the upper surface of the panel and the lower surface of the bottom plate. The high-quality steel plate and the high-molecular PE film are combined, so that the strength and the peel strength of the composite plate are greatly improved, particularly under the condition of the same thickness, the strength of the composite plate is increased by more than 10% compared with that of a pure aluminum plate and a pure PE plate, and the safety and the durability of the composite plate in the fields of buildings and traffic are ensured; the mixed core material layer is mainly composed of light calcium carbonate, PE plastic and a nano material, so that the fireproof performance of the material is improved, the cost is effectively reduced, and the composite board has better competitiveness in the market; the sound absorption layer is arranged in the mixed core layer, so that the sound insulation performance of the composite board is remarkably improved.
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Description

Technical Field

[0001] This utility model relates to the field of composite panel technology, and in particular to a novel high-content inorganic steel-aluminum composite panel. Background Technology

[0002] In modern construction and transportation, aluminum composite panels (ACPs) are a new type of decorative material, widely used due to their superior performance. While traditional ACPs have experienced rapid development, the industry's overheated growth and numerous manufacturers' blind investment have led to an imbalance between supply and demand, price wars within the industry, a decline in overall product quality, and market chaos. Low-grade ACPs are impacting a significant portion of the market share.

[0003] Existing aluminum composite panels are sandwich structures consisting of a face panel, a back panel, and a core layer. The core layer is made of PE plastic, which only achieves a fire rating of B1, not A2, resulting in poor fire resistance. While the aluminum sheet on the surface of the aluminum composite panel has the advantage of being lightweight, its hardness and scratch resistance are relatively weak, making it difficult to meet the actual needs of high-end building curtain walls and transportation vehicles where strength and durability are required. In addition, existing aluminum composite panels are often insufficient in terms of acoustic isolation, especially in spaces requiring a good acoustic environment, such as office buildings, hotels, and high-end residences. These spaces often require the installation of additional acoustic materials to improve the indoor environment, which not only increases costs but also adds to the complexity of construction. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] Therefore, in order to solve the above-mentioned technical problems, this utility model provides the following technical solution: a novel high-content inorganic steel-aluminum composite panel, comprising a panel, a base plate and a mixed core layer, wherein the mixed core layer is arranged between the panel and the base plate, and the panel, the base plate and the mixed core layer are continuously composited by a high-molecular PE film to form a sandwich structure; the upper surface of the panel and the lower surface of the base plate are both provided with a high-performance coating.

[0006] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite panel of this utility model, the panel is a high-quality steel plate with a thickness of 0.1 to 0.3 mm.

[0007] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite plate of this utility model, the base plate is made of steel, aluminum or other metal materials, such as stainless steel.

[0008] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite plate of this utility model, the material of the high-performance coating is fluorocarbon or weather-resistant polyester.

[0009] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite panel of this utility model, the mixed core layer includes a mixed core material layer and a sound-absorbing layer, with the sound-absorbing layer arranged on the upper and lower surfaces of the mixed core material layer.

[0010] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite panel of this utility model, the mixed core layer is mainly composed of lightweight calcium carbonate, PE plastic, and nanomaterials. Calcium carbonate can decompose into calcium oxide and carbon dioxide at a high temperature of 900℃. Carbon dioxide is an excellent fire extinguishing gas, and carbon dioxide fire extinguishers are currently a mainstream product on the market. It can isolate oxygen in the air, so it is an excellent flame retardant material. Calcium carbonate exists in various states, including heavy calcium carbonate, lightweight calcium carbonate, colloidal calcium carbonate, and crystalline calcium carbonate. The mixed core material made by adding lightweight calcium carbonate to PE plastic has the best strength in the steel-aluminum composite panel, especially the best peel strength. Compared with the traditional aluminum-plastic composite panels currently used on the market, this product is superior in performance and structure, greatly improving the fire resistance of the product.

[0011] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite panel of this utility model, the nanomaterial is nano-silicon or nano-clay, which improves the fire resistance, impact resistance and corrosion resistance of the composite panel.

[0012] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite panel of this utility model, the main material of the sound-absorbing layer is polyurethane foam, which is used to improve the sound insulation performance of the composite panel, making the composite panel suitable for environments requiring a good acoustic environment.

[0013] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite panel of this utility model, the upper and lower surfaces of the mixed core layer are both provided with a polymer PE film, and are connected to the panel and the base plate through the polymer PE film.

[0014] As a preferred embodiment of the novel high-content inorganic steel-aluminum composite plate of this utility model, the overall thickness of the composite plate is 15-60mm.

[0015] This composite panel is used to replace aluminum single panels commonly used in high-end building curtain walls and is used in automobiles and high-speed rail vehicles where wear resistance is a high requirement. The strength of this composite panel, especially its peel strength, is more than 10% higher than that of pure aluminum panels and pure PE panels.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model uses a combination of high-quality steel plate and high-polymer PE film, which greatly improves the strength and peel strength of the composite board. In particular, at the same thickness, the strength is increased by more than 10% compared with pure aluminum plate and pure PE plate, ensuring its safety and durability in the construction and transportation fields.

[0018] 2. The mixed core layer used in this utility model is mainly composed of lightweight calcium carbonate, PE plastic and nanomaterials, which not only improves the fire resistance of the material, but also effectively reduces the cost, making the composite board more competitive in the market.

[0019] 3. This utility model significantly improves the sound insulation performance of the composite board by setting a sound-absorbing layer (polyurethane foam) in the hybrid core layer. It is suitable for spaces such as offices and residences that require a good acoustic environment. No additional acoustic materials are needed, which further reduces costs and construction complexity.

[0020] 4. This utility model effectively improves the corrosion resistance and weather resistance of the composite board by coating the panel and the base plate with a high-performance coating (fluorocarbon or weather-resistant polyester), making it suitable for various environments and extending its service life.

[0021] 5. The composite panel proposed in this utility model is not only suitable for high-end building curtain walls, but can also be widely used in automobiles and high-speed rail vehicles where wear resistance is required, thus broadening the scope of application. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0024] In the diagram: 100, panel; 200, base plate; 300, mixed core layer; 301, mixed core material layer; 302, sound-absorbing layer; 400, high-performance coating; 500, polymer PE film. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0029] Reference Figure 1This invention provides a novel high-content inorganic steel-aluminum composite panel, comprising a panel 100, a base plate 200, and a mixed core layer 300. The mixed core layer 300 is arranged between the panel 100 and the base plate 200. The panel 100, the base plate 200, and the mixed core layer 300 are continuously laminated together by a high-strength thermoplastic polymer PE film 500, forming a sandwich structure. The panel 100 is a high-quality steel plate with a thickness of 0.1–0.3 mm. The base plate 200 is made of steel, aluminum, or other metal materials, such as stainless steel. A high-performance coating 400 is applied to the upper surface of the panel 100 and the lower surface of the base plate 200. The high-performance coating 400 is made of fluorocarbon or weather-resistant polyester. The mixed core layer 300 includes a mixed core material layer 301 and a sound-absorbing layer 302, with the sound-absorbing layer 302 arranged on the upper and lower surfaces of the mixed core material layer 301. The mixed core material layer 301 is mainly composed of light calcium carbonate. This composite board is made of a mixture of PE plastic and nanomaterials. Light calcium carbonate is used to improve the fire resistance and reduce costs. The nanomaterials are nano-silicon or nano-clay, which enhance the fire resistance, impact resistance, and corrosion resistance of the composite board. The sound-absorbing layer 302 is primarily made of polyurethane foam, used to improve the sound insulation performance of the composite board, making it suitable for environments requiring good acoustics. High-polymer PE film 500 is arranged on both the upper and lower surfaces of the mixed core layer 300, connecting it to the panel 100 and the base plate 200. The overall thickness of the composite board is 15–60 mm. This composite board is used to replace aluminum single-panel panels commonly used in high-end building curtain walls, and is suitable for applications in automobiles and high-speed rail vehicles where high wear resistance is required. The strength of this composite board, especially its peel strength, is more than 10% higher than that of pure aluminum or pure PE panels.

[0030] In this embodiment, the composite panel adopts a sandwich structure, including a panel 100, a base plate 200, and a hybrid core layer 300. This design provides good strength and durability, while achieving excellent fire resistance, sound insulation, and corrosion resistance through the use of different material combinations. The panel 100 uses a high-quality steel plate with a thickness of 0.1 to 0.3 mm, and the base plate 200 can be steel, aluminum, or other metal materials to provide the necessary support and strength in different applications. The hybrid core layer 300 is composed of lightweight calcium carbonate, PE plastic, nanomaterials, and sound-absorbing materials, which not only reduces the weight of the composite panel itself but also increases fire resistance and impact resistance, and is also a key material for improving sound insulation.

[0031] The composite board uses a high-strength thermoplastic polymer PE film 500 to continuously bond the panel 100, the base plate 200 and the mixed core layer 300 under high temperature. This process ensures a strong connection between the three parts and improves the overall integration performance of the board.

[0032] The upper surface of the panel 100 and the lower surface of the base plate 200 of the composite panel are coated with a high-performance coating 400 to protect the steel-aluminum composite panel from the influence of the external environment and improve its durability and aesthetics.

[0033] During construction, this composite panel can be directly used for the external frame or panel of high-end buildings and vehicles. Due to its strength, corrosion resistance and sound insulation performance, it can meet various stringent engineering requirements and improve the overall project quality.

[0034] The novel high-content inorganic steel-aluminum composite plate of this utility model not only achieves a balance between strength and lightness, but also performs excellently in terms of acoustics and weather resistance, solving many shortcomings in the application of traditional composite materials.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A novel high-content inorganic steel-aluminum composite panel, characterized in that: It includes a panel (100), a base plate (200) and a hybrid core layer (300). The hybrid core layer (300) is arranged between the panel (100) and the base plate (200). The panel (100), the base plate (200) and the hybrid core layer (300) are continuously composited by a high-molecular PE film (500) to form a sandwich structure. The upper surface of the panel (100) and the lower surface of the base plate (200) are both coated with a high-performance coating (400).

2. The novel high-content inorganic steel-aluminum composite plate as described in claim 1, characterized in that: The panel (100) is made of high-quality steel plate with a thickness of 0.1~0.3mm.

3. The novel high-content inorganic steel-aluminum composite plate as described in claim 2, characterized in that: The base plate (200) is made of steel, aluminum or other metal materials.

4. The novel high-content inorganic steel-aluminum composite plate as described in claim 3, characterized in that: The high-performance coating (400) is made of fluorocarbon or weather-resistant polyester.

5. The novel high-content inorganic steel-aluminum composite plate as described in claim 4, characterized in that: The hybrid core layer (300) includes a hybrid core material layer (301) and a sound-absorbing layer (302), with the sound-absorbing layer (302) arranged on the upper and lower surfaces of the hybrid core material layer (301).

6. The novel high-content inorganic steel-aluminum composite plate as described in claim 5, characterized in that: The main material of the sound-absorbing layer (302) of the sound-absorbing material is polyurethane foam, which is used to improve the sound insulation performance of the composite board.

7. The novel high-content inorganic steel-aluminum composite plate as described in claim 6, characterized in that: The upper and lower surfaces of the hybrid core layer (300) are both covered with a polymer PE film (500), and are connected to the panel (100) and the base plate (200) through the polymer PE film (500).

8. The novel high-content inorganic steel-aluminum composite plate as described in claim 7, characterized in that: The overall thickness of the composite board is 15~60mm.