Secondary relief decorative product

Abstract

The embodiment of the utility model provides a secondary embossment decoration product. The secondary embossment decoration product comprises a first base material layer and a second base material layer, the second base material layer is positioned on the surface of the first base material layer; the embossment layer is arranged on the second base material layer; the sealing layer covers the outer surface of the embossment layer, the sealing layer is of a two-layer structure, the inner layer is a thermoplastic elastomer material layer, and the outer layer is an acrylic resin material layer; the elastic connecting piece is arranged between the first base material layer and the second base material layer; the number of the elastic connecting pieces is not less than four, and the elastic connecting pieces are uniformly distributed on a contact surface between the first base material layer and the second base material layer; the area of the first base material layer is larger than that of the second base material layer, and the ratio of the first base material layer to the second base material layer is 1: 1-1.5: 1. Through the scheme of the embodiment of the invention, the problem that the structural stability and the sealing performance are influenced due to the fact that the secondary embossment decoration product often needs to be combined with different materials for use and the difference of different thermal expansion coefficients may cause a gap to be generated at the joint part can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ceramic products, in particular to a secondary relief decorative product. BACKGROUND

[0002] The secondary relief decorative product is a kind of decorative product made by adding a relief effect to the surface of an existing substrate. It is widely used in the fields of architecture, interior decoration and artistic creation. This product can add visual level and tactile sensation, and improve the aesthetic and texture of the product. However, since the secondary relief decorative product often needs to be combined with different materials, the difference in thermal expansion coefficient may cause gaps at the joint. Such gaps not only weaken the stability of the structure, but also damage the sealing performance, thereby affecting the overall functionality and durability. Therefore, when applying such decorative products, the problem caused by the difference in thermal expansion coefficient cannot be ignored. SUMMARY

[0003] Therefore, the embodiments of the present disclosure provide a secondary relief decorative product to at least partially solve the problems in the prior art.

[0004] The secondary relief decorative product of the present application comprises:

[0005] A first substrate layer for providing basic support;

[0006] A second substrate layer located on the surface of the first substrate layer;

[0007] A relief layer disposed on the second substrate layer;

[0008] A sealing layer covering the outer surface of the relief layer to prevent moisture and impurities from entering the gap between the relief layer and the second substrate layer, wherein the sealing layer has a two-layer structure, the inner layer is a thermoplastic elastomer material layer, and the outer layer is an acrylic resin material layer;

[0009] An elastic connecting piece disposed between the first substrate layer and the second substrate layer to adjust the displacement between the first substrate layer and the second substrate layer through elastic force;

[0010] The number of elastic connecting pieces is not less than 4, and they are evenly distributed on the contact surface between the first substrate layer and the second substrate layer; and

[0011] The area of the first substrate layer is greater than the area of the second substrate layer, and the ratio between them is 1:1 to 5:1.

[0012] In one specific embodiment, the thickness of the first substrate layer is 5mm to 2mm.

[0013] In one specific embodiment, the relief depth of the relief layer is 1mm to 5mm.

[0014] In one embodiment, the surface of the relief layer has surface texture

[0015] In one embodiment, the relief layer is further provided with an oxidation-resistant coating, and the thickness of the oxidation-resistant coating is 0.1mm to 1mm.

[0016] In one embodiment, the total thickness of the two layers of the sealing layer is 0.5mm to 3mm.

[0017] In one embodiment, the cross-sectional shape of the elastic connecting piece is circular, rectangular or polygonal, and the thickness is 1mm to 1mm.

[0018] In one embodiment, the distance between adjacent elastic connecting pieces is not more than 10mm.

[0019] The embodiment of the present disclosure provides a kind of secondary relief decorative article, comprising: first substrate layer, the first substrate layer is used to provide basic support;Second substrate layer, the second substrate layer is located the surface of first substrate layer;Relief layer, is arranged on the second substrate layer;Sealing layer, cover the outer surface of relief layer, for preventing moisture and impurities into the gap between relief layer and second substrate layer, wherein the sealing layer is two-layer structure, inner layer is thermoplastic elastomer material layer, outer layer is acrylic resin material layer;Elastic connecting piece, be arranged between first substrate layer and second substrate layer, the displacement between first substrate layer and second substrate layer is adjusted by elastic force;The number of the elastic connecting piece is not less than 4, is evenly distributed on the contact surface between first substrate layer and second substrate layer;And the area of the first substrate layer is greater than the area of second substrate layer, and the ratio between the two is 1:1 to 5:1.By the scheme of the embodiment of the present disclosure, the problem that the joint part can be caused gap due to the different thermal expansion coefficient difference of secondary relief decorative article often need to be combined with different materials, in turn affect structural stability and sealing performance can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In the drawings, like reference numerals designate like elements or components throughout the several views, unless otherwise specified. The drawings are not necessarily to scale, the drawings depict only some embodiments in accordance with the present disclosure and are therefore not to be considered limiting of its scope.

[0021] Figure 1 It is a kind of secondary relief decorative article structure schematic diagram of the utility model;

[0022] Figure 2 It is a kind of secondary relief decorative article explosion schematic diagram of the utility model;

[0023] Figure 3 is an explosion schematic diagram of the relief layer in the secondary relief decorative product of the utility model;

[0024] Figure 4 is an explosion schematic diagram of the sealing layer in the secondary relief decorative product of the utility model.

[0025] In the figure: 1, first substrate layer; 2, second substrate layer; 3, relief layer; 4, sealing layer; 5, elastic connecting piece; 6, antioxidant coating DETAILED DESCRIPTION

[0026] In the following, only certain exemplary embodiments are described briefly. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0027] As Figure 1 and Figure 2 shown, the secondary relief decorative product of the present application includes a first substrate layer 1, a second substrate layer 2, a relief layer 3, a sealing layer 4, and an elastic connecting piece 5. The overall design aims to improve the stability and sealing performance of the relief decorative product when used in combination with different materials, and to solve the problems caused by the difference in thermal expansion coefficient.

[0028] The first substrate layer 1 of the secondary relief decorative product is the core component that provides the basic support structure. It not only needs to have sufficient rigidity to ensure that the basic form of the product is not damaged, but also needs to be able to withstand external pressure and impact and other adverse factors. In order to meet the needs of different application scenarios, this layer is usually made of solid and durable materials, such as metal alloys, hard plastics or reinforced composite materials.

[0029] The second substrate layer 2 is located above the first substrate layer 1 and is directly attached to its surface. Considering the risk of slight deformation between the two, a material with similar thermal expansion characteristics is specially selected as the manufacturing basis for the second substrate layer 2. This material selection strategy effectively ensures that both can still maintain good attachment even under temperature changes, greatly improving the overall weather resistance and durability of the product. In addition, it also provides a stable support for the decorative structure set above.

[0030] Next is a relief layer 3 with a three-dimensional pattern design formed on the second substrate layer 2. This layer is manufactured by embossing or molding, thereby giving the decorative product a rich texture and visual effect. Due to its complex texture structure, careful operation is required during production and installation to ensure high quality standards, and appropriate anti-abrasion treatment methods should also be adopted to maintain a good appearance state for a long time in the daily use environment.

[0031] To avoid the damage caused by moisture, dust or other pollutants in the environment to the internal structure of the product, the outer surface of the relief layer 3 is covered with a sealing layer 4 with waterproof and dustproof function. This sealing protection mechanism not only protects the relief layer 3 itself from external damage, but also indirectly strengthens the tightness between the structures of the lower layers, further improving the safety performance and service life of the entire device.

[0032] In addition, a certain number of elastic connecting members 5 are arranged between the first substrate layer 1 and the second substrate layer 2. The presence of these connecting members allows the relative position between the upper and lower layers to be automatically adjusted slightly according to the material expansion and contraction caused by changes in the ambient temperature. This dynamic adaptive design principle can effectively prevent the cracks and even shedding phenomenon caused by temperature difference often occurring in traditional structures, ensuring that the tight and flat state can still be maintained for a long time. More importantly, with the help of such elastic adjustment mechanism, the stress concentration problem caused by internal and external pressure on the entire device can also be reduced, greatly prolonging the reliable service life of the product.

[0033] Through the above carefully arranged design scheme, the secondary relief decorative product can cleverly cope with the challenges brought by the significant difference in thermal expansion coefficient at the connection between itself and other objects. Specifically, when encountering significant temperature changes due to seasonal changes or other reasons, although the first substrate layer 1 and the second substrate layer 2 will inevitably produce different degrees of expansion and contraction, but due to the involvement of the aforementioned special elastic members in mediation, such deformation difference can be timely offset, ensuring that no obvious gap is left. In addition, the tight interlayer cooperation combined with the surface protection barrier together makes it still have strong aging resistance and good air tightness characteristics even under relatively harsh application conditions, thereby achieving the expected purpose of optimizing the structural stability and improving the sealing performance.

[0034] In one embodiment, the first substrate layer 1 of the secondary relief decorative product of the present application is made of a material with a thickness ranging from 5mm to 2mm to ensure that the entire structure has excellent strength and corrosion resistance. The first substrate layer 1 can be composed of aluminum alloy or stainless steel, both of which have high strength, excellent corrosion resistance and small thermal expansion coefficient, which helps to avoid the joint problem caused by the thermal expansion and contraction difference between different materials, thereby enhancing the durability and aesthetics of the product.

[0035] Further, in some specific application environments, the above-mentioned material properties are particularly important. Since both aluminum alloy and stainless steel have good processing performance, they can maintain fine relief decoration effects during subsequent processing while providing solid and reliable support. Therefore, the stability of such products is satisfactory when used in outdoor or indoor environments. In particular, the advantages of these physical properties are particularly prominent for products that are used for a long time in humid environments or conditions with large changes in extreme temperature differences. The choice of these two materials as the key components of the first substrate layer 1 is to better achieve the long-term stable operation of the product and ensure that the decorative part can always maintain the aesthetic beauty of the original design.

[0036] For example, during the assembly of such decorations, the technician can tailor and fix the first substrate layer 1 of appropriate size according to the actual situation. Then the pre-designed relief pattern is made by molding processes such as die casting and then combined with the substrate. In addition, when two or more plates of different materials are combined into a single finished unit, the connection method between the parts and the possible deformation compensation measures need to be considered. To meet the technical standards mentioned in the claims, all spliced parts must be seamlessly connected and firmly deformed.

[0037] In one embodiment, the second substrate layer 2 of the secondary relief decoration product of the present application is made of a modified polymer material with a specific thermal expansion coefficient. The thermal expansion coefficient of the modified polymer material is close to the thermal expansion coefficient of the first substrate layer 1 to ensure that the expansion or contraction of the two materials tends to be consistent when the temperature changes, thereby reducing the gap that may be generated due to the difference in thermal expansion coefficient. In addition, to achieve this purpose, 1% to 10% of inorganic fillers by mass fraction are added to the modified polymer material of the second substrate layer 2. Common inorganic fillers include but are not limited to aluminum silicate and mica, etc. The addition of these inorganic fillers can optimize the physical properties of the material and further adjust the thermal expansion coefficient of the material to match the first substrate layer 1. Specifically, by selecting the appropriate type and amount of inorganic fillers, the second substrate layer 2 can exhibit excellent mechanical stability and chemical stability throughout the temperature range.

[0038] In one embodiment, the modified polymer material containing a specific mass fraction of inorganic filler can be prepared first. Then, the second substrate layer 2 is processed by injection molding, extrusion molding or hot pressing, etc. and firmly bonded to the surface of the first substrate layer 1. The bonding process can use adhesives, hot melt adhesives or directly co-molding under high temperature and high pressure conditions, so that the two are tightly combined and form an integrated structure. For example, using aluminum silicate as an inorganic filler, a modified polymer is prepared with a content of 5%, and a stable second substrate layer 2 is manufactured by hot pressing, and finally bonded and fixed with the first substrate layer 1. In this way, not only the thermal expansion matching between materials is ensured, but also the quality and performance of the entire secondary relief decorative product are guaranteed.

[0039] In one embodiment, the relief depth of the relief layer 3 of the secondary relief decorative product of the present application is limited to between 1 mm and 0.5 mm. Such a design can not only increase the relief decoration effect, but also not affect the overall flatness and structural strength of the product due to excessive depth. In order to realize this design that takes into account both aesthetics and practicality, the relief depth is controlled by precise mechanical processing or mold pressing molding, etc. to ensure that the relief details are rich and uniform.

[0040] In addition, the surface of the relief layer 3 is treated by laser to form fine textures. This process gives the relief layer 3 a special microstructure, effectively enhancing its anti-fouling performance. Products manufactured by this method can better resist the accumulation of dust, moisture and other pollutants, and remain clean for a long time. At the same time, the above-mentioned microtexture also helps to improve the visual and tactile experience of the product. For example, in actual production, a low-power density continuous wave or pulsed laser can be used for surface scanning to form the required microtexture. The entire laser treatment process is precisely controllable and can adapt to a variety of substrates without damaging the material itself.

[0041] In one embodiment, the bottom layer material can be appropriately treated, such as sanding or applying an adhesive, and then the relief layer 3 with a specified depth is covered and solidified. In this way, the overall level of the final product can be further improved based on the original advantages of the base surface, making the final product better in quality.

[0042] In one embodiment, as shown in Figure 3 The relief layer 3 of the secondary relief decorative product of the present application is provided with an anti-oxidation coating 6 to prevent oxidation and corrosion of the relief layer 3 and prolong its service life. The anti-oxidation coating 6 is made of a polymer material containing nanoparticles, with the nanoparticles being aluminum oxide or titanium oxide and the mass fraction being in the range of 2% to 5%. The thickness of the coating is controlled between 0.01 mm and 0.1 mm, which can effectively improve the protection performance of the relief layer 3 and maintain long-term adhesion.

[0043] The relief layer 3 of a secondary relief decorative product is typically exposed to the external environment and is susceptible to oxidation or corrosion due to environmental factors. Therefore, a specially treated anti-oxidation coating 6 is applied to the surface of this relief layer 3, covering the entire layer. This structural design ensures effective protection of the relief layer 3 even under harsh environmental conditions and prevents sealing performance issues caused by damage. By increasing the thickness of this coating and improving the materials, not only are the overall wear resistance and anti-aging properties of the product improved, but the product's aesthetics and user experience are also optimized.

[0044] In the specific implementation of the anti-oxidation coating 6, a polymer sol containing a certain proportion of nanoparticles (such as alumina or titanium dioxide) can be uniformly applied to the surface of the relief layer 3 of the pre-formed relief product, ensuring that the coating thickness is controlled within the range of 0.01 mm to 0.1 mm. During this process, it is necessary to precisely control the nanoparticle content in the sol to ensure that the nanoparticles are fully dispersed within the polymer material, so that the final anti-oxidation coating 6 possesses excellent density and long-term adhesion, thereby effectively protecting the relief layer 3.

[0045] In one embodiment, such as Figure 4 As shown, the sealing layer 4 of the secondary relief decorative product of this application is designed as a two-layer structure to achieve excellent waterproof and sealing performance. The inner layer is a thermoplastic elastomer material layer, and the outer layer is an acrylic resin material layer. The total thickness of the two layers is set between 0.05 mm and 0.3 mm. Specifically, the sealing layer 4 is located between the relief layer 3 and the second substrate layer 2, tightly covering the surfaces of these two layers, effectively preventing the penetration of moisture and impurities, thereby reducing the possibility of gaps at the joint caused by moisture erosion.

[0046] Thermoplastic elastomer material possesses excellent elasticity and adhesion, effectively filling and adapting to minor unevenness between the embossed layer 3 and the second substrate layer 2, ensuring the integrity of the sealing layer 4. Acrylic resin material exhibits excellent water resistance and weather resistance, further enhancing the overall sealing effect. The combination of these two materials ensures both the mechanical strength of the sealing layer 4 and enhances its long-term stable protective capability. This combination can resist the effects of external environmental factors such as moisture and chemicals.

[0047] For example, in actual production, thermoplastic elastomer material is first applied to the back of the pre-made embossed layer 3 and its contact surface with the second substrate layer 2 using methods such as molding or spraying. Then, a layer of acrylic resin material is uniformly coated on its surface. After that, a pressure and curing process is used to tightly bond the two together, ultimately forming the required double-layer sealing layer 4 structure. In this way, the unique characteristics described above are achieved.

[0048] In one embodiment, the inner layer of the sealing layer 4 of the double embossed decorative article of the present application employs a thermoplastic elastomer material. This material has a high bonding strength with the surface of the embossed layer 3, with a shear strength exceeding 5 MPa, ensuring a tight bond between the sealing layer 4 and the embossed layer 3 in temperature changing environments, avoiding delamination. By choosing high-performance adhesives or adjusting the surface properties of the material, the bonding performance between the two layers can be enhanced.

[0049] Specifically, a surface activation process such as plasma treatment or ultraviolet irradiation can be introduced during processing to pretreat the upper surface of the embossed layer 3, allowing the sealing layer 4 to be more easily and firmly bonded during coating, forming an effective sealing protection, and thus improving the overall performance and durability of the article. For example, plasma treatment can significantly improve the surface energy of the embossed layer 3, allowing it to better accept the polymer segments in the subsequent coating, thereby ensuring excellent bonding properties even in the face of large temperature difference environmental challenges.

[0050] In one embodiment, the sealing layer 4 of the double embossed decorative article of the present application is covered with an outer layer of acrylic resin material. This material not only has excellent ultraviolet protection performance, but also has an ultraviolet aging life of more than 1000 hours, ensuring that the article can maintain excellent sealing effect in outdoor environments for a long time. By using this high-performance material, the problem of material degradation and performance degradation caused by ultraviolet radiation on the sealing layer 4 can be effectively reduced. This design is particularly important for products that are exposed to various environments for a long time, especially in environments with strong ultraviolet light, such as tropical regions or highland regions, and its stability and durability are significantly enhanced.

[0051] The acrylic resin layer covers the outer side of the sealing layer 4, directly facing the external environment, and plays the role of the first line of defense against ultraviolet light. This layer is tightly bonded to the sealing layer 4, forming an effective barrier structure that ensures that external ultraviolet light cannot easily penetrate to the bottom layer, thereby protecting the underlying structure from ultraviolet radiation. This design enables the entire device to exhibit excellent stability and long life performance in outdoor environments, and it has good adaptability even under extreme conditions.

[0052] For example, the acrylic resin can be uniformly coated on the outer surface of the sealing layer 4 by spraying or dipping process. Specifically, the coating thickness and number of layers can be controlled during the spraying process to achieve the desired protective effect, and the recommended thickness range is usually between 0.5 and 1 millimeters. At the same time, in order to ensure firm bonding between the two, appropriate surface pretreatment such as cleaning and drying treatment can be performed before application to ensure that the protective layer formed after coating is both firm and continuous, effectively isolating ultraviolet light and providing reliable sealing performance.

[0053] In one embodiment, the elastic connector 5 of the secondary relief decorative article of the present application is made of rubber or polyurethane material. The cross-sectional shape of the elastic connector 5 can be circular, rectangular, or polygonal to meet the needs of different installation conditions. The thickness is set in the range of 1 mm to 10 mm, which has excellent elasticity and resilience. The above characteristics can make the product adapt to the difference in the thermal expansion coefficient between the first substrate layer 1 and the second substrate layer 2, effectively adjust the slight displacement change between the two, and avoid the generation of gaps. This structure ensures that even in the case of slight movement between different materials, it still maintains close fitting.

[0054] Specifically, the elastic connector 5 of the secondary relief decorative article is installed between the first substrate layer 1 and the second substrate layer 2. When external conditions such as temperature cause the material to expand and contract, the elastic connector 5 between the two substrates can deform to buffer and compensate for the difference. Because the material used has high elasticity and recovery performance, the connector can still ensure stable installation even in complex and variable actual application scenarios, and will not lose its function due to repeated stretching and compression. For example, selecting the right material and precisely controlling the thickness during the manufacturing process is one of the key steps to achieve this technical characteristic. In order to ensure the quality and functional stability of the product, strict process parameters are set to ensure that the elastic connector 5 not only meets the mechanical strength requirements, but also exhibits reliable functionality under the influence of various environmental factors. In addition, reasonable cross-sectional shape design also helps to improve the working efficiency of the elastic connector 5, making it more suitable for the needs of actual use scenarios.

[0055] In one embodiment, an important feature of the secondary relief decorative article of the present application is the number, distribution, and function of the elastic connector 5. In order to ensure the tight connection between the first substrate layer 1 and the second substrate layer 2, and to provide uniform stress and stability in structure, the product design requires that the number of elastic connectors 5 is not less than 4. These elastic connectors 5 are evenly arranged on the contact surface between the first substrate layer 1 and the second substrate layer 2, ensuring that each part can effectively bear external force. In addition, to ensure that the overall structure of the product can maintain good shape when subjected to external pressure, the maximum distance between adjacent elastic connectors 5 should not exceed 10 mm. In this way, the elastic connector 5 not only improves the firmness of the assembled product, but also ensures that each part can obtain balanced support under different use conditions.

[0056] The elastic connecting piece 5 is made of a material with good elasticity and toughness, and can maintain the ability to restore to its original shape while bearing a certain degree of deformation. This feature prevents damage or permanent deformation of the internal structure even under external force. To achieve this design, a plurality of elastic connecting pieces 5 can be pre-fixed to the first substrate layer 1 during production, and then the second substrate layer 2 is installed and sealed. For example, in actual operation, each elastic connecting piece 5 can be accurately installed according to the pre-set position marker, and the components are tightly attached using adhesive or other means to ensure that the spacing meets the specified standards and achieves stable connection effect. The overall structure formed ultimately not only presents a unique double-layer relief effect in appearance, but also embodies excellent mechanical properties in functionality.

[0057] In one embodiment, the area of the first substrate layer 1 of the secondary relief decorative article of the present application is greater than the area of the second substrate layer 2, and the ratio between the two is set to be between 1:1 and 1.5:1. Through this specific ratio setting, it is ensured that the first substrate layer 1 can provide sufficient support, reduce the stress concentration phenomenon at the edge of the second substrate layer 2, and improve the stability and sealing performance of the overall structure. Under this design, the secondary relief decorative article performs particularly outstanding in various application scenarios, especially in cases where high strength support and tight fit are required.

[0058] Generally, such decorative articles are widely used in fields such as indoor building decoration, high-end packaging, and high-end handicraft manufacturing, etc., which have very high requirements for the strength, appearance, and overall sealing performance of the materials after installation. In order to achieve the ideal use effect, the layers of the product need to be reasonably matched, so that the first substrate layer 1 has sufficient excess to cover and stably support the second substrate layer 2. This not only effectively disperses the impact of external force on the second substrate layer 2, but also avoids product quality problems such as deformation or cracking caused by size mismatch.

[0059] In actual operation, when the device is in use, the various components of the secondary relief decorative article work together to ensure its outstanding performance in decoration and protection.

[0060] First, when the temperature or humidity in the use environment changes, the first substrate layer 1 plays a key role in providing basic support and bearing external force. It not only provides solid structural protection, but also absorbs and disperses pressure from the outside world, preventing external force from directly acting on the subsequent more delicate and fragile functional layers, thereby prolonging the service life and overall stability of the product.

[0061] At the same time, the second substrate layer 2 on the surface of the first substrate layer 1 has a similar thermal expansion coefficient with the first substrate layer 1, which effectively reduces the size change difference caused by the temperature difference effect between the two. The cleverness of this design is to enhance the thermal stability of the product by precisely matching the material properties, so that even in extreme weather conditions or applications that frequently experience seasonal changes, good shape consistency and close engagement can still be maintained.

[0062] The above merely provides a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A relief decorated article of manufacture, characterized in that, The application relates to a composite material, which comprises: a first substrate layer (1) for providing basic support; a second substrate layer (2) on the surface of the first substrate layer (1); a relief layer (3) arranged on the second substrate layer (2); a sealing layer (4) covering the outer surface of the relief layer (3) and used for preventing moisture and impurities from entering the gap between the relief layer (3) and the second substrate layer (2), wherein the sealing layer (4) is a two-layer structure, the inner layer is a thermoplastic elastomer material layer, and the outer layer is an acrylic resin material layer; and elastic connecting pieces (5) arranged between the first substrate layer (1) and the second substrate layer (2) and used for adjusting the displacement between the first substrate layer (1) and the second substrate layer (2) through elasticity; the number of the elastic connecting pieces (5) is not less than four, and the elastic connecting pieces (5) are uniformly distributed on the contact surface between the first substrate layer (1) and the second substrate layer (2); and the area of the first substrate layer (1) is greater than that of the second substrate layer (2), and the ratio between the two is 1:1 to 1.5:

1. The thickness of the first substrate layer (1) is 5mm to 2mm. The relief depth of the relief layer (3) is 1mm to 0.5mm. The surface of the relief layer (3) has surface texture. The relief layer (3) is further provided with an antioxidant coating (6), and the thickness of the antioxidant coating (6) is 0.01mm to 0.1mm. The total thickness of the two layers of the sealing layer (4) is 0.5mm to 0.3mm. The cross-sectional shape of the elastic connecting piece (5) is circular, rectangular or polygonal, and the thickness is 1mm to 1mm. The spacing between adjacent elastic connecting pieces (5) is not more than 10mm.

2. The relief-decorated article of claim 1, wherein: ​ 3. The relief-decorated article of claim 1, wherein: ​ 4. The relief-decorated article of claim 3, wherein: ​ 5. The relief-decorated article of claim 4, wherein: ​ 6. The relief decoration article of claim 1, wherein: ​ 7. The relief decoration article of claim 1, wherein: ​ 8. The relief decoration article of claim 1, wherein: ​

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