A stainless steel-imitated composite plate for decoration
Patent Information
- Application Number
- CN202521052028.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-05-26
AI Technical Summary
[0003]针对上述中的相关技术，发明人认为，现有的仿不锈钢复合板之间的各层材料的结合常常通过胶水进行连接，但简单的贴合，导致各层之间的结合不够牢固，在长时间的使用后，各层之间较为容易发生脱离，从而影响到仿不锈钢复合板的装饰作用，因此，提出了一种用于装饰的仿不锈钢复合板以解决上述问题
本装置构建了稳固的层间连接体系，粘合效果突出，通过基层与连接层通过喷砂处理，让基层表面的微小凹凸结构与连接层紧密咬合，扩大接触面积，同时燕尾槽和方形块之间配合，以及注胶孔的化学粘结，有效避免分层脱胶，增强结构稳定性与使用寿命，而通过在胶水层使用的环氧树脂胶水中添加纳米二氧化硅颗粒优化胶水性能，让胶水能更好应对温度变化，提升粘结强度，同时，平板铝箔层经阳极氧化形成氧化铝膜，其多孔结构让胶水接触面积增加，配合化学反应，有效防止脱胶，保障复合板整体结构完整，从而在各层之间构建了牢固且稳定的粘合体系，全方位提升了产品的性能与品质。
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Figure CN224799824U_ABST
Abstract
Description
Technical Field
[0001] This utility model application relates to the field of building decoration technology, and in particular to a stainless steel-like composite plate for decoration. Background Technology
[0002] In the architectural decoration industry, stainless steel-look composite panels, as an emerging decorative material, have been widely used in recent years. They combine the advantages of multiple materials, aiming to balance aesthetics and practicality by combining materials with different functions. The outer layer typically uses materials with a metallic luster, such as specially treated aluminum foil, to achieve a metallic texture similar to stainless steel, satisfying the pursuit of modern and stylish appearances in many architectural styles. Meanwhile, the internal base layer uses suitable materials, such as bamboo charcoal wood, giving the panels a certain strength and unique environmental performance. They can be seen in various indoor and outdoor decorative scenarios, such as hotel lobbies, commercial shops, and office buildings, effectively enhancing the decorative effect of the space.
[0003] Regarding the aforementioned technologies, the inventors believe that the bonding of the various layers of existing imitation stainless steel composite panels is often achieved through adhesive. However, this simple bonding results in insufficient strength between the layers, making them prone to detachment after prolonged use. This affects the decorative function of the imitation stainless steel composite panel. Therefore, an imitation stainless steel composite panel for decoration is proposed to solve the above problems.
[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content
[0005] To address the aforementioned problems, this application provides a decorative stainless steel-like composite panel.
[0006] The present utility model application provides a decorative imitation stainless steel composite panel with the following technical solution: A decorative stainless steel-like composite panel includes a base layer made of bamboo charcoal wood. A connecting layer, an adhesive layer, and a flat aluminum foil layer are sequentially disposed on one side surface of the base layer. The surface of the base layer is sandblasted, and an aluminum oxide film is disposed on one side of the flat aluminum foil layer and the adhesive layer. Multiple irregular grooves are formed on the outer wall of the connecting layer, and an adhesive component is disposed between the connecting layer and the base layer. The adhesive assembly includes dovetail grooves. Multiple dovetail grooves are formed on the outer wall of the base layer, and injection holes are formed on the outer wall of the multiple dovetail grooves. Multiple square blocks are fixedly connected to the side of the connecting layer that contacts the base layer, and the multiple square blocks correspond to the multiple dovetail grooves.
[0007] Preferably, the thickness of the flat aluminum foil layer is .mm, and the surface of the flat aluminum foil layer has undergone surface brushing treatment.
[0008] Preferably, the adhesive layer is an epoxy resin adhesive with nano-silica particles and a thickness of .mm.
[0009] Preferably, a protective film layer is attached to one side of the outer wall of the flat aluminum foil layer.
[0010] In summary, this application includes the following beneficial technical effects: This device constructs a robust interlayer bonding system with outstanding adhesion. Sandblasting of the base layer and connecting layer allows the micro-uneven structure of the base layer surface to tightly interlock with the connecting layer, expanding the contact area. Simultaneously, the cooperation between the dovetail grooves and square blocks, along with the chemical bonding of the injection holes, effectively prevents delamination and enhances structural stability and service life. Furthermore, the addition of nano-silica particles to the epoxy resin adhesive used in the adhesive layer optimizes the adhesive's performance, allowing it to better withstand temperature changes and improve bonding strength. Additionally, the anodized aluminum foil layer forms an aluminum oxide film, whose porous structure increases the adhesive contact area. Combined with the chemical reaction, this effectively prevents delamination, ensuring the overall structural integrity of the composite board. Thus, a strong and stable bonding system is constructed between the layers, comprehensively improving the product's performance and quality. Attached Figure Description
[0011] Figure 1 This is an overall schematic diagram of Embodiment 1 of the application; Figure 2 This is a schematic diagram of the basic structure of Example 1 of the application; Figure 3 This is a schematic diagram of the connection layer structure in Embodiment 1 of the application; Explanation of reference numerals in the attached diagram: 1. Base layer; 2. Connecting layer; 3. Adhesive layer; 4. Alumina film; 5. Flat aluminum foil layer; 6. Protective film layer; 7. Dovetail groove; 8. Injection hole; 9. Irregular groove; 10. Square block. Detailed Implementation
[0012] The following is in conjunction with the appendix Figure 1 - Figure 3 This application will be described in further detail.
[0013] A decorative stainless steel-like composite panel includes a base layer 1 made of bamboo charcoal wood. The base layer 1 has a thickness of 5-10mm, which provides sufficient strength and toughness while facilitating machining. A connecting layer 2, an adhesive layer 3, and a flat aluminum foil layer 5 are sequentially arranged on one side of the base layer 1. The surface of the base layer 1 is sandblasted, creating numerous tiny uneven structures that significantly increase its surface area. This provides more space for the subsequent adhesion of the connecting layer 2. Furthermore, the surface of the connecting layer 2 in contact with the adhesive layer 3 is passivated, forming a passivation layer that improves the base layer 1's resistance to external corrosive substances. An aluminum oxide film 4 is applied to one side of the flat aluminum foil layer 5 in contact with the adhesive layer 3. The side in contact with the adhesive layer 3 is anodized using an anodizing solution. A 15% sulfuric acid solution is applied at 15V for 20 minutes to form an aluminum oxide film 4. Finally, a flat aluminum foil layer 5 is bonded to the adhesive layer 3. The porous structure of the aluminum oxide film 4 greatly increases the contact area with the adhesive. Microscopic observation shows that the contact area is about 5 times larger than that of the unoxidized aluminum foil surface. In addition, the chemical reaction between epoxy resin molecules and the surface active groups of the aluminum oxide film 4 enhances the bonding effect. The outer wall of the connecting layer 2 has multiple irregular grooves 9, which increase the contact area with the adhesive layer 3. After the adhesive cures, an effective bonding structure is formed, preventing the sliding between the adhesive layer 3 and the connecting layer 2. An adhesive component is provided between the connecting layer 2 and the base layer 1. The adhesive component facilitates the improvement of the bonding strength between the connecting layer 2 and the base layer 1, preventing delamination or peeling.
[0014] The adhesive assembly includes dovetail grooves 7. Multiple dovetail grooves 7 are formed on the outer wall of the base layer 1, and injection holes 8 are formed on the outer wall of the multiple dovetail grooves 7. The multiple dovetail grooves 7 can be formed on the outer wall of the base layer 1 by milling. The depth of the dovetail grooves 7 is 2mm, the width is 3mm, and the spacing between adjacent dovetail grooves 7 is 10mm. At the same time, injection holes 8 with a diameter of 1mm are formed every 5mm on the outer wall of the dovetail grooves 7. Multiple square blocks 10 are fixedly connected to the side of the connecting layer 2 that contacts the base layer 1. The multiple square blocks 10 correspond to the multiple dovetail grooves 7. By aligning the square blocks 10 with the dovetail grooves 7, the presence of the injection holes 8 allows the glue to fully fill the gap between the square blocks 10 and the dovetail grooves 7. After the glue cures, a strong chemical bond is formed, which improves the adhesion effect between the connecting layer 2 and the base layer 1 and prevents them from separating.
[0015] The thickness of the flat aluminum foil layer 5 is 0.2mm, and the surface of the flat aluminum foil layer 5 is treated with a surface brushing process. The aluminum foil with a purity of 99.5% is selected, and the surface of the flat aluminum foil layer 5 is brushed using professional brushing equipment. The depth of the brushing texture is controlled at 0.01mm and the width is 0.05mm, forming a uniform and delicate texture. The flat aluminum foil layer 5, after surface brushing treatment, presents a metallic texture and texture that is very similar to stainless steel.
[0016] The adhesive layer 3 uses epoxy resin adhesive with nano-silica particles, with a thickness of 0.08mm. The nano-silica particles have a particle size of 50nm and a mass fraction of 2.5%. The nano-silica particles are uniformly dispersed in the epoxy resin adhesive using an ultrasonic dispersion device. Then, the adhesive is coated onto the bonding layer 2 using a precision coating device to form an adhesive layer 3 with a thickness of 0.08mm. This improves the bonding strength of the adhesive layer 3, enhances the tight bond between the layers, prevents delamination or peeling, and ensures the stability of the product.
[0017] A protective film layer 6 is attached to one side of the outer wall of the flat aluminum foil layer 5. The film is made of PET material and has a thickness of 0.02-0.05mm. With its good wear resistance and light transmittance, it effectively protects the surface of the flat aluminum foil layer 5 and prevents scratches, wear and stains from adhering.
[0018] The implementation principle of a decorative imitation stainless steel composite panel according to an embodiment of this utility model is as follows: First, during the manufacturing process, the surface of the base layer 1 is sandblasted. Sandblasting creates numerous tiny uneven structures on the surface of the base layer 1, significantly increasing its surface area. This not only provides a wider space for the subsequent adhesion of the connecting layer 2, but also allows these uneven structures to mechanically interlock with the connecting layer 2, enhancing their bonding strength. The connecting layer 2 forms a passivation layer on the surface of the base layer 1 through a chromate passivation process. During this process, the adhesive components between the connecting layer 2 and the base layer 1 play a crucial role. Multiple dovetail grooves 7 formed on the outer wall of the base layer 1 are fixedly connected to multiple... Corresponding to the square blocks 10, when the connecting layer 2 is applied, the square blocks 10 are embedded in the dovetail grooves 7. At the same time, the glue injection holes 8 opened on the outer wall of the dovetail grooves 7 allow glue to flow into the dovetail grooves 7 through the glue injection holes 8 during the glue injection process, further filling the gap between the square blocks 10 and the dovetail grooves 7. After curing, a strong bond is formed, which strengthens the combination between the base layer 1 and the connecting layer 2. In addition, the multiple irregular grooves 9 opened on the outer wall of the connecting layer 2 increase the contact area between the connecting layer 2 and the subsequent glue layer 3. On the other hand, after the glue flows in, the glue structure formed by the curing of these irregular grooves 9 can effectively prevent the sliding between the glue layer 3 and the connecting layer 2, and improve the stability of the overall structure.
[0019] Secondly, the adhesive layer 3 uses epoxy resin adhesive with added nano-silica particles, with a thickness of 0.08mm. The nano-silica particles have a large specific surface area and excellent mechanical properties. After being uniformly dispersed in the epoxy resin adhesive, they can significantly enhance the bonding strength and toughness of the adhesive layer 3. The main function of the adhesive layer 3 is to firmly bond the connecting layer 2 to the flat aluminum foil layer 5. An aluminum oxide film 4 is provided on the side of the flat aluminum foil layer 5 that contacts the adhesive layer 3. The aluminum oxide film 4 is formed by anodizing the flat aluminum foil layer 5. The aluminum oxide film 4 has a porous microstructure. These micropores can adsorb a large amount of adhesive in the adhesive layer 3, so that the contact area between the adhesive and the flat aluminum foil layer 5 increases exponentially. At the same time, the epoxy resin molecules in the adhesive layer 3 react chemically with the active groups such as hydroxyl groups on the surface of the aluminum oxide film 4 to form chemical bonds, further strengthening the adhesion between the two. Under the dual action of mechanical adsorption and chemical bonding, a good imitation stainless steel appearance effect and high-strength interlayer bonding are achieved.
Claims
1. A decorative stainless steel-like composite panel, comprising a base layer (1), characterized in that: The base layer (1) is made of bamboo charcoal wood. A connecting layer (2), an adhesive layer (3) and a flat aluminum foil layer (5) are sequentially arranged on one side surface of the base layer (1). The surface of the base layer (1) is sandblasted. An aluminum oxide film (4) is provided on one side of the flat aluminum foil layer (5) and the adhesive layer (3). Multiple irregular grooves (9) are opened on the outer wall of the connecting layer (2). An adhesive component is provided between the connecting layer (2) and the base layer (1). The adhesive assembly includes a dovetail groove (7), and the outer wall of the base layer (1) is provided with a plurality of dovetail grooves (7), and the outer wall of the plurality of dovetail grooves (7) is provided with an injection hole (8). The side of the connecting layer (2) that is in contact with the base layer (1) is fixedly connected with a plurality of square blocks (10), and the plurality of square blocks (10) correspond to the plurality of dovetail grooves (7).
2. The decorative stainless steel composite panel according to claim 1, characterized in that: The thickness of the flat aluminum foil layer (5) is 0.2 mm, and the surface of the flat aluminum foil layer (5) is treated with surface wire drawing.
3. The decorative imitation stainless steel composite plate according to claim 1, characterized in that: The adhesive layer (3) is made of epoxy resin adhesive with nano-silica particles and has a thickness of 0.08 mm.
4. The decorative stainless steel composite panel according to claim 1, characterized in that: A protective film layer (6) is attached to one side of the outer wall of the flat aluminum foil layer (5), and the protective film layer (6) is made of PET material.