Board material, soundproof flooring, and manufacturing method therefor

Abstract

The present invention relates to the technical field of decorative panels, in particular to a board material, soundproof flooring, and a manufacturing method therefor. The board material comprises a decorative face layer, a sound-proof cushion layer, and a glass magnesium layer which are sequentially stacked from top to bottom. The glass magnesium layer is mainly formed by compositing of a substrate layer and a doped layer. At least one second stretch-resistant mesh layer is provided in the doped layer. Meshes are distributed on the second stretch-resistant mesh layer, and doped layer material on two sides of the second stretch-resistant mesh layer forms a connecting structure by means of the meshes. The glass magnesium layer of the present invention comprises the doped layer and the substrate layer which are stacked from top to bottom, the substrate layer has a first stretch-resistant mesh layer laid therein, and the doped layer has a second stretch-resistant mesh layer laid therein. The second stretch-resistant mesh layer in the doped layer is controlled to move toward a template surface during processing, that is, the distance between the second stretch-resistant mesh layer and an upper surface of the doped layer is increased during processing, so that a product warps at two ends toward the template surface, that is, the product warps downward, thereby reducing the problem of upward warping caused by a decorative panel, so as to control the overall warping of the product.

Description

A board, a soundproof floor and a manufacturing method thereof Technical Field

[0001] The present invention relates to the technical field of decorative panels, and in particular to a board, a soundproof floor and a manufacturing method thereof. Background Art

[0002] Nowadays, with the continuous development of my country's economy and society and the continuous improvement of people's living standards, people are more eager to improve their living environment, and flooring is the preferred decorative material. People are also increasingly concerned about the quietness of flooring.

[0003] Chinese patent CN113802800A discloses a silent floor and a silent floor processing technology. As shown in Figure 4, in this technical solution, the silent floor includes a wear-resistant layer 100, a decorative layer 200, a base material layer 300, a first silent layer 400 and a second silent layer 500 stacked in sequence.

[0004] In addition, for example, Chinese patent CN115806713A discloses a floor with a sound-proof layer and a preparation method thereof. In this technical solution, the floor includes a floor layer and a sound-proof layer from top to bottom.

[0005] For example, U.S. Patent US20220194068A1 discloses a laminate flooring, as shown in Figure 5. In this technical solution, it includes a wear-resistant layer 1, a polyvinyl chloride patterned fabric layer 2, a base material layer 3, a balancing layer 4 and a silent layer 5 arranged in sequence. It can be seen that the silent layer is arranged below the base material layer, that is, on the side of the base material layer facing away from the surface layer.

[0006] Similarly, U.S. Patent No. 11619053 B2 discloses a panel suitable for assembling waterproof flooring or wall coverings, as shown in FIG6 . The panel comprises a rigid layer 12 and a core layer 10 disposed below the rigid layer 12 and substantially composed of a foam material. In this technical solution, it can be understood that the sound-reducing layer is disposed below the substrate layer, i.e., on the side of the substrate layer facing away from the surface layer.

[0007] When shoes step on the floor, or other dropped objects collide with these silent panels, the surface layer and base material collide, generating noise. The silent material beneath the base material blocks the sound from propagating downward (e.g., downstairs). However, in the space above the silent panels (e.g., the room where they are installed), the sound generated by these impacts remains undimmed. This means that these silent panels provide "sound insulation" rather than "noise reduction."

[0008] Another type of silent flooring, such as Chinese patent CN218623044U, discloses a fiberglass sound-absorbing panel. As shown in FIG7 , in this technical solution, the panel body 1 includes a base layer 11 and a surface layer 16 . A moisture-proof layer 12 , a fiberglass mat 13 , a sound-absorbing layer 14 , and a flame-retardant layer 15 are sequentially disposed between the base layer 11 and the surface layer 16 . In other words, in this technical solution, the sound-absorbing layer 14 is disposed between the base layer 11 and the surface layer 16 , i.e., above the base layer 11 .

[0009] Another example is Chinese patent CN115262913A, which discloses a floor panel. As shown in Figure 8, in this technical solution, a layer capable of improving acoustic performance is provided between the core layer 202 and the decorative top layer 203. Furthermore, in this technical solution, the upper surface of the core layer 202 includes multiple cavities 206, which are arranged in a predetermined pattern to scatter incoming sound waves. However, the provision of cavities in the core layer, particularly on its upper surface, undoubtedly reduces its structural strength. On the one hand, the protrusions on either side of the grooves on the upper surface of the core layer can collapse. On the other hand, the softer sound-reducing layer can be easily affected by uneven force applied to the bottom, affecting the surface flatness of the floor.

[0010] For this type of silent flooring, the sound-absorbing layer is placed between the base layer and the surface layer—that is, the sound-absorbing layer is placed above the base layer. With this structure, when the sound-absorbing layer and surface layer are attached to one side of the uniform base layer, that side of the base layer becomes "sealed." When the board deforms due to moisture absorption or other reasons, the "unsealed" side of the base material deforms more significantly, while the "sealed" side deforms less, causing the base material to warp toward the "sealed" side. This not only fails to address the warping problem of the surface layer, but can actually exacerbate the overall warping of the board. To address base warping, existing technologies add a balancing layer to the underside of the base material, facing away from the surface layer. This only suppresses warping of the base material but does not address the warping of the veneer. Furthermore, adhesive is used to bond the underside of the base material to the balancing layer. When using adhesive to bond two layers of different materials, choosing the right adhesive to ensure consistent bonding strength between the two layers poses a challenge. The addition of a balancing layer raises questions about material selection, processing difficulty, and production costs, which the industry needs to address.

[0011] Therefore, how to provide a floor structure that can effectively solve the warping of the floor and achieve the sound insulation effect has become an urgent problem to be solved.

[0012] Summary of the Invention

[0013] In order to solve the problems mentioned in the above background technology, the purpose of the present invention is to provide a board, a soundproof floor and a manufacturing method thereof.

[0014] The technical solution provided by the present invention is:

[0015] In a first aspect, a plate comprises a facing layer, a sound-proofing cushion layer, and a glass magnesium layer stacked in sequence from top to bottom;

[0016] The glass magnesium layer is mainly composed of a substrate layer and a doping layer; the doping layer is located between the substrate layer and the mute pad layer, and the temperature and humidity deformation of the doping layer is greater than that of the substrate layer;

[0017] At least one second anti-stretching mesh layer is provided in the doping layer, the second anti-stretching mesh layer is provided with meshes, and the doping layer materials on both sides of the second anti-stretching mesh layer form a connection structure through the meshes.

[0018] As an optional technical solution of the first aspect, the thickness of the doping layer is greater than the thickness of the substrate layer, and the density of the substrate layer is higher than the density of the doping layer.

[0019] As an optional technical solution of the first aspect, at least one first anti-stretching mesh layer is provided in the substrate layer, and a mesh is arranged on the first anti-stretching mesh layer. The mesh is used to form a connection structure through the mesh of the materials forming the substrate layer on both sides of the first anti-stretching mesh layer.

[0020] As an optional technical solution of the first aspect, the distance between the first anti-stretching mesh layer and the lower surface of the substrate layer is H1, and the value range of H1 is 0.3-1.0 mm; the distance between the second anti-stretching mesh layer and the upper surface of the doping layer is H2, and the value range of H2 is 1.5-3.0 mm;

[0021] The distance between the first anti-stretching mesh layer and the second anti-stretching mesh layer is greater than 4 mm.

[0022] Optionally, the first anti-stretching mesh layer and the second anti-stretching mesh layer are neutral glass fiber mesh cloth or alkali-free glass fiber mesh cloth.

[0023] Furthermore, the weight of the neutral glass fiber mesh or alkali-free glass fiber mesh is greater than 100-200g / m 2 .

[0024] In a second aspect, a plate comprises a facing layer, a sound-proofing cushion layer, and a glass magnesium layer stacked in sequence from top to bottom;

[0025] The glass magnesium layer is mainly composed of a base material layer and a doping layer; the doping layer is located between the base material layer and the mute pad layer, and the doping layer is mixed with lightweight fibers relative to the base material layer, so that the density of the doping layer is less than that of the base material layer;

[0026] At least one second anti-stretching mesh layer is provided in the doping layer, the second anti-stretching mesh layer is provided with meshes, and the doping layer materials on both sides of the second anti-stretching mesh layer form a connection structure through the meshes.

[0027] As an optional technical solution of the second aspect, the lightweight fiber added to the doping layer includes one or more of wood powder, bamboo powder, straw powder, and husk powder;

[0028] The density of lightweight fibers such as wood flour, bamboo flour, straw flour, and rice husk flour is lower than the density of the material forming the base material layer.

[0029] As an optional technical solution of the second aspect, the hardness of the doping layer is less than the hardness of the substrate layer.

[0030] As an optional technical solution of the first or second aspect, the sound-proof cushion layer is EVA, and the EVA is corona treated on both sides.

[0031] As an optional technical solution of the first or second aspect, the EVA has a thickness of 1.0-1.5 mm and a Shore A hardness of 60-65.

[0032] As an optional technical solution of the first or second aspect, the upper and lower surfaces of the sound-absorbing cushion layer are respectively bonded to the finishing layer and the doping layer by polyurethane adhesive;

[0033] Among them, the coating amount of polyurethane glue is 100-110g / m 2 .

[0034] As an optional technical solution of the first or second aspect, the finishing layer includes melamine paper and density board stacked in sequence from top to bottom.

[0035] In a third aspect, a soundproof floor comprises the board material according to any one of the technical solutions in the first or second aspect;

[0036] The glass magnesium layer is provided with a connecting portion on at least one side, and a matching portion adapted to the connecting portion is provided on the other side opposite to the connecting portion.

[0037] As an optional technical solution of the third aspect, the thickness of the glass magnesium layer is greater than 8 mm.

[0038] In a fourth aspect, a method for manufacturing the soundproof floor according to the third aspect comprises the following steps:

[0039] Add pure slurry for forming glass magnesium board on the backing plate, then lay the first anti-stretching mesh layer, and adjust the sinking depth of the first anti-stretching mesh layer;

[0040] Then add the pure slurry of glass magnesium board mixed with light fiber, then lay the second anti-stretching mesh layer, and then add the pure slurry of glass magnesium board mixed with filling fiber to cover the second anti-stretching mesh layer;

[0041] After curing, the board is processed to make its thickness uniform;

[0042] Bonding the finishing layer to the sound-absorbing cushion layer, and bonding the sound-absorbing cushion layer to the glass magnesium layer;

[0043] A connecting portion is processed on at least one side of the glass magnesium layer, and a matching portion adapted to the connecting portion is processed on the other side opposite to the side.

[0044] A fifth aspect provides a board material comprising a veneer veneer and a glass magnesium layer stacked sequentially from top to bottom; the glass magnesium layer being primarily formed by a composite of a base layer and a doping layer; the doping layer being positioned between the base layer and the sound-absorbing cushioning layer, and having a greater temperature-humidity deformation than the base layer; and at least one second anti-stretching mesh layer being provided within the doping layer, the second anti-stretching mesh layer being provided with mesh, with the doping layer materials on both sides of the second anti-stretching mesh layer forming a connection structure through the mesh. The glass magnesium layer employs the aforementioned glass magnesium layer structure.

[0045] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0046] After the density board of the present invention is made into a thin decorative panel, it can withstand the impact of objects dropped from a height of 1 meter without being damaged, and can be used in most ground environments. At the same time, the thickness of the density board will not cause the quiet effect of the product to deteriorate. In the present invention, corona-treated EVA is used as a sound-proof cushion layer, and polyurethane glue is used as an adhesive, which has good internal bonding strength. The glass magnesium layer of the present invention includes a doping layer and a base material layer stacked from top to bottom, and the base material layer and the doping layer are respectively paved with a first anti-stretching mesh layer and a second anti-stretching mesh layer. By controlling the second anti-stretching mesh layer in the doping layer to move toward the template surface during processing, that is, increasing the distance between the second anti-stretching mesh layer and the upper surface of the doping layer during processing, the product will produce warping at both ends toward the template surface, that is, warping downward, thereby reducing the warping problem caused by the decorative panel, thereby controlling the overall warping of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] FIG1 is a schematic structural diagram of a plate in one embodiment of the present invention;

[0048] FIG2 is a schematic diagram of the installation positions of the first anti-stretching mesh layer and the second anti-stretching mesh layer in one embodiment of the present invention;

[0049] FIG3 is a schematic diagram of warping adjustment in one embodiment of the present invention;

[0050] FIG4 is a schematic structural diagram of a floor in the prior art;

[0051] FIG5 is a schematic structural diagram of a floor in the prior art;

[0052] FIG6 is a schematic structural diagram of a floor in the prior art;

[0053] FIG7 is a schematic structural diagram of a floor in the prior art;

[0054] FIG8 is a schematic structural diagram of a floor in the prior art.

[0055] Explanation of the numbers in the schematic diagram: 101: finishing layer; 102: sound-absorbing cushion layer; 103: doping layer; 104: second anti-stretching mesh layer; 105: base material layer; 106: first anti-stretching mesh layer. DETAILED DESCRIPTION

[0056] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments.

[0057] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for understanding and reading by those familiar with this technology. They are not used to limit the conditions for implementation of the present invention and therefore have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the efficacy and purpose of the present invention. At the same time, terms such as "upper", "lower", "left", "right", and "middle" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation. Changes or adjustments in their relative relationships should also be considered as the scope of implementation of the present invention without substantially changing the technical content.

[0058] In one embodiment, as shown in FIG1 , the present application proposes a plate material, comprising a finishing layer 101 , a sound-absorbing cushion layer 102 , and a glass magnesium layer stacked in sequence from top to bottom.

[0059] The glass magnesium layer is primarily composed of a substrate layer 105 and a doping layer 103. Doping layer 103 is located between substrate layer 105 and the sound-absorbing underlayment layer 102, and its temperature-humidity deformation is greater than that of substrate layer 105. At least one second anti-stretching mesh layer 104 is provided within doping layer 103. This second anti-stretching mesh layer 104 is provided with a mesh, and the doping layer 103 material on both sides of the second anti-stretching mesh layer 104 forms a connected structure through the mesh.

[0060] In this embodiment, the glass magnesium layer is primarily formed by combining a substrate layer 105 and a doping layer 103. The doping layer 103 is located between the substrate layer 105 and the sound-absorbing pad layer 102, and the temperature-humidity deformation of the doping layer 103 is greater than that of the substrate layer 105. As a result, the glass magnesium layer has a non-uniform and asymmetric structure formed by the substrate layer 105 and the doping layer 103.

[0061] The temperature-humidity deformation refers to the extent to which the substrate layer 105 and the doping layer 103 deform when the temperature, humidity, or both change under the same environmental conditions. When manufactured as a sheet material, the deformation refers to the extent to which the ends of the sheet material warp.

[0062] The deformation amplitudes of the base material layer 105 and the doping layer 103 differ, with the base material layer 105 deforming less, while the doping layer 103 deforms more, thereby guiding the glass magnesium layer to warp downward, i.e., warp in the direction opposite to the warping direction of the finishing layer 101. Furthermore, in this embodiment, at least one second anti-stretching mesh layer 104 is provided within the doping layer. For example, if one second anti-stretching mesh layer 104 is provided, the second anti-stretching mesh layer 104 is provided with a mesh that allows the materials forming the doping layer on both sides of the second anti-stretching mesh layer 104 to form a connection structure through the mesh. In this embodiment, by placing the second anti-stretching mesh layer 104 closer to the base material layer 105, the upper portion of the doping layer 104 is more easily deformed, while the lower portion is less easily deformed. This guides the glass magnesium layer to warp downward, thereby pulling on the finishing layer 101 and reducing the amplitude of the upward warping of the finishing layer 101. This solves the warping problem that can occur when thin density board is coated with melamine paper on one side.

[0063] In another embodiment of the present invention, the present application proposes a plate material, comprising a finishing layer 101, a sound-proofing cushion layer 102, and a glass magnesium layer stacked in sequence from top to bottom.

[0064] The glass magnesium layer is primarily composed of a substrate layer 105 and a doping layer 103. Doping layer 103 is located between substrate layer 105 and the sound-absorbing pad layer 102. Lightweight fibers are added to doping layer 103, resulting in a lower density than substrate layer 105. At least one second anti-stretching mesh layer 104 is provided within doping layer 103. This second anti-stretching mesh layer 104 is provided with a mesh, connecting the doping layer 103 material on both sides of the second anti-stretching mesh layer 104.

[0065] When the doping layer 103 deforms more and the base layer 105 deforms less, the doping layer 103 will warp toward the side with less deformation, that is, the side of the base layer 105. At this time, the warping direction of the glass magnesium layer is opposite to the warping direction of the finishing layer 101, thereby making the entire board balanced and less warped.

[0066] In one embodiment, the facing layer 101 can be a wood cellulose facing, a paper layer, etc., or can be at least partially made of polyvinyl chloride, polyurethane, polypropylene, polyethylene terephthalate, chlorinated polyethylene, polyethylene, chlorinated PVC, acrylonitrile-butadiene-styrene, polycarbonate, etc.

[0067] In one embodiment, the finishing layer 101 includes melamine paper and density board stacked sequentially from top to bottom.

[0068] The melamine paper can be melamine colored pattern paper, thereby enriching the decorativeness of the floor pattern, or can be melamine wear-resistant paper, thereby improving the wear resistance of the floor.

[0069] A thin layer of density board, used as a decorative layer over the sound-absorbing material, also enhances product durability. Research has found that when melamine paper is applied to one side of the density board, the product is prone to warping, making subsequent cutting and fitting difficult. However, when melamine paper is applied to both sides of the density board, while warping is minimal, the production process is more complex.

[0070] Furthermore, the study found that increasing the thickness of the MDF reduces its soundproofing effect, but MDF that is too thin is prone to breakage and warping.

[0071] In one embodiment, a thinner decorative panel may be used, such as a density board of 1 mm, so that the decorative panel can withstand the impact of objects dropped from a height of 1 meter without being damaged, and is suitable for use in most ground environments.

[0072] One type of existing silent flooring employs a sound-absorbing material beneath a glass-magnesium layer. When shoes or other dropped objects collide with the flooring, the surface layer and base material are impacted, generating noise. The sound-absorbing material beneath the base material prevents the sound from propagating downward. However, the sound generated by the impact is not reduced in the space above the flooring, such as the room where the flooring is installed.

[0073] Therefore, the best sound attenuation performance is not achieved by reducing the transmitted sound, but by reducing the sound generated, in particular when the floor surface is excited by impact. By absorbing and converting the kinetic energy of the impact, a significant reduction in the amplitude and pitch of the generated sound can be achieved.

[0074] Therefore, in one embodiment of the present application, a sound-absorbing underlayment layer 102 is disposed between the glass magnesium layer and the finishing layer 101, that is, above the glass magnesium layer. When the panel is stepped on, the sound-absorbing underlayment layer 102 absorbs the kinetic energy of the impact, thereby reducing the sound. The sound-absorbing function of this product is achieved by using the elasticity or resilience of the sound-absorbing material to offset the impact sound caused by people walking, stepping on, and dropping objects.

[0075] When selecting a soundproof material, it must have a certain degree of resilience and load-bearing capacity. Therefore, the material of the soundproof cushion layer 102 can be EVA, IXPE, soundproof felt, non-woven fabric, flocking cloth, etc., or it can be a foam material from PE, PS, PP, PU or melamine, or cork, etc.

[0076] In one embodiment, EVA is used for the soundproofing cushion layer 102. EVA has better sound insulation performance than IXPE of the same thickness. Soundproofing felt is more expensive and has a lower sound insulation effect than EVA, so EVA can be used for the soundproofing cushion layer 102.

[0077] In this industry, in order to enable the silent material to absorb more of the kinetic energy generated by the impact of the silent board, a common practice is to use thicker silent materials, such as 2mm or thicker silent materials. However, due to the pressure molding process in the production process of the silent board of this embodiment, the thicker EVA is prone to problems such as no rebound (completely compressed) and large thickness deviation caused by inconsistent rebound during the pressurization process, thereby affecting the product's groove flatness and paving flatness. Therefore, in this embodiment, the thickness of EVA is selected to be 1.0-1.5mm, preferably, it can be 1.2mm, 1.3mm, etc. In this product, the thickness of EVA is comprehensively considered by the product usage scenario and production cost.

[0078] Since the present embodiment reduces the thickness of EVA, in order to make the silent pad layer 102 of the present embodiment still have better impact reduction performance after the compression molding process, the present embodiment should not use EVA with lower hardness. In the present embodiment, the Shore A hardness of EVA is 60-65, preferably, it can be 62, 64, etc. EVA with low hardness is also prone to problems such as no rebound (completely compressed) and large thickness deviation caused by inconsistent rebound during the pressurization process. Therefore, in the present embodiment, it is necessary to make the thickness of EVA not too thick, and the preferred EVA thickness is 1.0-1.5mm, and it is necessary to make the hardness of EVA not too low, and the preferred EVA hardness needs to meet the Shore A hardness of 60-65. The plate made at this time will not have the problems of large thickness deviation and low surface flatness caused by the silent material being too thick and the hardness being too low.

[0079] In the prior art, one type of silent board features low adhesion between the silent material and other layers, allowing for later replacement of the silent material. For example, Chinese patent CN219753815U discloses an easily assembled and reusable silent resilient floor. This solution utilizes thick non-woven fabrics, flocking fabrics, or other fabrics with minimal adhesive, making it easier to disassemble and recycle.

[0080] In the above-mentioned prior art solutions, the adhesion between the sound-absorbing material and the other layers is relatively low. However, if the internal bonding strength between the sound-absorbing material and the other layers is low, on the one hand, the bonding between the sound-absorbing pad layer 102 and the other layers will easily break after long-term use, resulting in bulging and edge warping. On the other hand, the low internal bonding strength will prevent the finishing layer 101 from being constantly subjected to the tensile force from the glass magnesium layer, and the board will still suffer from severe warping after a long time.

[0081] In one embodiment of the present application, the sound-absorbing cushion layer 102 is EVA that has been corona-treated on both sides. After the corona treatment, the EVA surface is endowed with abundant polar groups, which is conducive to the attachment of foreign objects, thereby increasing the bonding strength of the EVA with other layers through glue.

[0082] Therefore, the EVA treated with corona has higher internal bonding strength than the EVA without corona treatment. The specific test records are shown in the following table:

[0083] This shows that corona-treated EVA has a higher internal bonding strength than untreated EVA. This higher internal bonding strength allows the tension from the base material layer to continuously act on the finishing layer 101. This prevents the sound-absorbing pad 102 from breaking apart at the joints with other layers over time. Maintaining this high internal bonding strength also ensures that the finishing layer 101 is consistently subjected to the tension from the glass magnesium layer, thereby reducing warping of the board.

[0084] In one embodiment, the upper and lower surfaces of the sound-absorbing underlay are bonded to the finishing layer 102 and the doping layer 103, respectively, using polyurethane adhesive. Specifically, the EVA is bonded to the MDF and sanded surfaces of the doping layer, respectively, using polyurethane adhesive. Bonding to the sanded surface of the doping layer is chosen because the sanded surface is relatively rough, resulting in a stronger bond with the EVA after adhesive application. Research has shown that polyurethane adhesive is more suitable for bonding EVA to MDF and doping layers than other adhesives.

[0085] When using Taiwan Nanbao hot melt adhesive to bond non-corona EVA, the test results are shown in the following table:

[0086] When using Taiwan Nanbao hot-melt adhesive to bond EVA, after boiling for three hours, no adhesive layer peeled. After cooling, it could be peeled off by hand. The average internal bond strength tested was 0.37 MPa, and the adhesive layer peeled off. Comparing the test data of the polyurethane adhesive bonded to uncorona-treated EVA, the internal bond strength of the hot-melt adhesive bonded EVA is significantly lower than that of the polyurethane adhesive bonded EVA.

[0087] The internal factor causing product warping is uneven stress distribution. The factors causing uneven or changing stress distribution may be moisture changes in the adhesive layer, temperature changes, insufficient adhesion, etc. In this embodiment, in order to ensure that the adhesion between EVA and the density board and the sanded surface of the doping layer meets the requirements, the polyurethane adhesive coating amount is 100-110g / m 2 , thus avoiding the warping problem caused by insufficient bonding force.

[0088] In the prior art, the substrate material is uniform and has a symmetrical structure. When a sound-absorbing layer or surface layer is attached to one side of the uniform substrate, this side of the substrate becomes "closed." When the board deforms due to moisture absorption or other reasons, the "unclosed side" of the substrate deforms more significantly, while the "closed side" of the substrate deforms less significantly. The side with the larger deformation will warp toward the side with the smaller deformation, and thus the substrate will warp toward the "closed side." This not only fails to solve the problem of the surface layer warping upward, but instead makes the overall upward warping problem of the board even more serious. Therefore, when the glass magnesium layer is a material with a uniform material and a symmetrical structure, the warping problem of thin decorative panels cannot be reduced. This was also verified through trial production products, that is, when the glass magnesium layer is a material with a uniform and symmetrical structure, the product will have a serious upward warping problem.

[0089] To address this issue, existing technologies require adding a balancing layer to the underside of a uniform substrate, effectively sealing both the upper and lower surfaces. This only suppresses the upward warping of the substrate, but doesn't address the warping of the veneer. Furthermore, adhesive is used to bond the underside of the substrate to the balancing layer. When using adhesive to bond two layers of dissimilar materials, choosing the right adhesive that consistently maintains good bonding strength between the two layers presents a challenge.

[0090] In one embodiment of the present application, the panel comprises a finishing layer 101, a sound-absorbing underlayment layer 102, and a glass magnesium layer stacked sequentially from top to bottom. The glass magnesium layer is primarily formed by a composite of a substrate layer 105 and a doping layer 103. Doping layer 103 is located between substrate layer 105 and sound-absorbing underlayment layer 102. In one embodiment, the temperature-humidity deformation of doping layer 103 is greater than that of substrate layer 105; in another embodiment, the density of doping layer 103 is less than that of substrate layer 105.

[0091] The glass magnesium layer includes a substrate layer 105 and a doping layer 103 formed by filling a material above the substrate layer 105 with lightweight fibers. The substrate layer 105 and the doping layer 103 form an asymmetric structure.

[0092] In one embodiment, the substrate layer 105 is made of a pure slurry for forming a glass magnesium board.

[0093] In one embodiment, the thickness of doped layer 103 is greater than that of substrate layer 105, thereby forming an asymmetric structure. Furthermore, the hardness of substrate layer 105 is greater than that of doped layer 103, resulting in a denser structure than that of doped layer 103. This means that the glassy magnesium layer has a non-uniform structure. Specifically, compared to doped layer 103, substrate layer 105 has a higher density and hardness, absorbs water more slowly, and deforms less.

[0094] Since the base material layer 105 has high density, high hardness, slow water absorption and small deformation, it is used as the lower layer. When the doping layer 103 is deformed due to water absorption or other reasons, its deformation is greater than that of the base material layer 105. Therefore, at this time, the doping layer 103 will warp toward the side of the base material layer 105, forming an "n"-shaped warp. Since the finishing layer 101 and the silent pad layer 102 are bonded to the doping layer 103, the finishing layer 101 will be subjected to the tension from the doping layer 103 at this time. At this time, the "U"-shaped warp of the finishing layer 101 will be alleviated, thereby alleviating the overall warping of the board.

[0095] Because the lower surface of substrate layer 105 serves as the formwork surface, it is smooth and fine, free of wood fibers, and offers a distinct mesh texture, visible through the surface fiberglass mesh. This smooth and fine lower surface ensures a pleasant appearance before installation, and is less susceptible to chipping and dusting. Furthermore, substrate layer 105 boasts high density, high hardness, and slow water absorption, making it more durable and ideally suited for use as the "outer layer" beneath.

[0096] The upper surface of the doping layer 103 is sanded, with obvious sanding marks and obvious wood fiber on the surface, but no grid texture. The upper surface of the doping layer 103 is sanded using a sanding process to ensure the uniformity of thickness between batches of substrates. After bonding the sound-absorbing pad layer 102 and the finishing layer 101, the overall flatness of the board is also high. Since approximately 0.5-1.0 mm of the doping layer 103 needs to be removed during the sanding process, the thicker doping layer 103 is more suitable for placement on the upper layer, that is, on the side in contact with the sound-absorbing pad layer 102.

[0097] In one embodiment, the doping layer 103 is formed by adding one or more lightweight fiber powders selected from wood powder, bamboo powder, straw powder, and rice husk powder to the pure material forming the glass magnesium board. For example, wood fiber powder can be added. Light fiber powders such as wood powder, bamboo powder, straw powder, and rice husk powder have a density lower than that of the material forming the base material layer.

[0098] It should be noted that the aforementioned fiber powder can be doped only in the doping layer 103, while the base layer 105 is entirely made of the pure slurry for forming the glass magnesium board. Alternatively, the aforementioned fiber powder can be doped in the doping layer 103, while the base layer 105 is made by adding other powders to the pure slurry for forming the glass magnesium board. Alternatively, both the doping layer 103 and the base layer 105 can be doped with the aforementioned fiber powder, with the fiber powder content in the base layer 105 being lower, so that the glass magnesium layer still has a non-uniform and asymmetric structure.

[0099] In one embodiment, at least one second anti-stretching mesh layer 104, such as one second anti-stretching mesh layer 104, is provided within the doping layer 103. The second anti-stretching mesh layer 104 is provided with a mesh, which is used to connect the materials forming the doping layers on both sides of the second anti-stretching mesh layer 104 through the mesh. When the doping layer 103 is formed by adding filler fibers to pure material, the strength of the doping layer 103 is relatively low. To enhance its strength, the second anti-stretching mesh layer 104 is provided within the doping layer 103.

[0100] It should be noted that the second anti-stretching mesh layer 104 not only increases the strength of the doped layer 103 but also has its own anti-stretching effect. By adjusting the position of the second anti-stretching mesh layer 104 closer to the substrate layer 105, the upper portion of the doped layer 103 can be made more easily deformed, thereby causing a greater degree of warping toward the lower side of the glass magnesium layer, thereby achieving the effect of adjusting the overall warping of the board. The adjustment direction is shown in Figure 3. Therefore, in this embodiment, the upward warping problem of the board caused by the thinner decorative panel can be offset by adjusting the position of the second anti-stretching mesh layer 104.

[0101] In one embodiment, at least one first stretch-resistant mesh layer 106, such as a single first stretch-resistant mesh layer 106, is provided within the substrate layer 105. The first stretch-resistant mesh layer 106 is provided with a mesh that allows the materials forming the substrate layers on both sides of the first stretch-resistant mesh layer 106 to form a connection structure through the mesh. By providing the first stretch-resistant mesh layer 106 within the substrate layer 105, the substrate layer 105 can be made stronger and less susceptible to deformation, thereby making it easier for the upper portion of the doped layer 104 to warp toward the substrate layer 105 after deformation, i.e., to warp downward.

[0102] Specifically, as shown in Figure 2, the distance between the first anti-stretching mesh layer 106 and the lower surface of the substrate layer 105 is H1, with a value range of 0.3-1.0 mm; the distance between the second anti-stretching mesh layer 104 and the upper surface of the doped layer 103 is H2, with a value range of 1.5-3.0 mm. If the distance between the first anti-stretching mesh layer 106 and the lower surface of the substrate layer 105 is too small, or the distance between the second anti-stretching mesh layer 104 and the upper surface of the doped layer 103 is too small, the anti-stretching mesh layer may be exposed due to powder shedding.

[0103] In one embodiment of the present application, the thickness of the substrate layer 105 is 0.3-1.0 mm, and the thickness of the glass magnesium layer is greater than 8 mm. The glass magnesium layer should not be too thin, as this will reduce its strength. However, if the substrate layer 105 is too thick, due to its greater density, greater hardness, and smaller deformation, the doped layer 103 will be less likely to warp downward after warping toward the substrate layer 105, making it difficult to solve the warping problem of the finishing layer 101.

[0104] In one embodiment of the present application, the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 are arranged in a flat manner, that is, when the glass magnesium layer is in the shape of a flat plate, the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 are laid on a plane formed by the length direction and the width direction of the flat plate, so that the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 are approximately perpendicular to the height direction of the flat plate.

[0105] Due to the limitations of the processing technology, it is difficult for the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 to be arranged in the glass magnesium layer in a completely flat posture. Therefore, the wavy curling of the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 within a slight range also belongs to the flat arrangement described in this embodiment.

[0106] It should be noted that the first and second stretch-resistant mesh layers 106, 104 have mesh holes connecting their upper and lower sides. This means that the first and second stretch-resistant mesh layers 106, 104 do not completely isolate the sheet material above and below them. During the production of the glass magnesium layer, the slurry forming the sheet material above and below the first and second stretch-resistant mesh layers 106, 104 can be connected through the mesh holes provided in the first and second stretch-resistant mesh layers 106, 104, thereby achieving a grid-like embedding of the first and second stretch-resistant mesh layers 106, 104 within the sheet material.

[0107] In one embodiment, the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 are both neutral glass fiber mesh or alkali-free glass fiber mesh, wherein the weight of the glass fiber mesh is greater than 100-200 g / m 2 For example, the weight of glass fiber mesh is 150g / m 2 The mesh size of the fiberglass mesh can be 5*5mm or 4*4mm. The mesh size should not be too small. If the mesh size is too small, the slurry on the upper and lower sides of the fiberglass mesh may not be able to fill the mesh, thus forming voids in the mesh. When the board is formed, it may collapse in the voids, resulting in pits on the surface of the board. The mesh size should not be too large either. Too large a mesh size means that the filling density of the fiberglass mesh is low, and the tensile strength it provides is small, which affects the mechanical properties and is not conducive to reducing warping.

[0108] In one embodiment of the present application, a board material is further provided, comprising a veneer veneer and a glass magnesium layer stacked in sequence from top to bottom. The glass magnesium layer is primarily formed by a composite of a substrate layer and a doping layer. The doping layer is located between the substrate layer and the soundproofing cushion layer, and the temperature and humidity deformation of the doping layer is greater than that of the substrate layer. The doping layer is provided with at least one second anti-tensile mesh layer, the second anti-tensile mesh layer being provided with a mesh, and the doping layer materials on both sides of the second anti-tensile mesh layer forming a connection structure through the mesh. The glass magnesium layer of this embodiment can adopt the glass magnesium layer of the above-mentioned embodiment.

[0109] The warping of the veneer veneer is different from that of the veneer panels mentioned in the above embodiments in that the warping direction of the veneer veneer is irregular, i.e., it may warp upward or downward. Moreover, the warping problem of the veneer veneer is difficult to control.

[0110] In this embodiment, a veneer veneer is provided on a single surface of the glass magnesium layer, and this glass magnesium layer is primarily formed by a composite of a substrate layer and a doping layer. The doping layer is located between the substrate layer and the sound-absorbing cushion layer, and the doping layer exhibits a greater deformation under temperature and humidity than the substrate layer. In this embodiment, because the doping layer deforms more than the substrate layer, the doping layer is warped toward the substrate layer, that is, downward, thereby guiding the veneer veneer to warp only downward. If warping of the veneer veneer cannot be suppressed, by guiding it to warp only downward, a better user experience is provided.

[0111] In one embodiment, the method for making the glass magnesium layer is: adding pure slurry to form a glass magnesium board on a pad, then laying a first anti-stretching mesh layer, and adjusting the sinking depth of the first anti-stretching mesh layer; then adding pure slurry to form a glass magnesium board mixed with lightweight fibers, then laying a second anti-stretching mesh layer, and then adding pure slurry to form a glass magnesium board mixed with filling fibers to cover the second anti-stretching mesh layer.

[0112] Specifically, pure material for forming the glass magnesium board is added to the pad, the first layer of glass fiber cloth is laid, the first layer of glass fiber cloth is sunk into the interior of the substrate layer, and then pure material mixed with filling fiber, that is, the slurry of the doping layer is added, and then the second layer of glass fiber cloth is laid, and then pure material mixed with filling fiber is added, and then the exposed glass fiber cloth is cut, and then placed on the drying rack, cured at a temperature of 70-80 degrees Celsius for 2-3 days, and then transferred to room temperature curing for 7-10 days. After determining the length and width, the template surface is polished, and finally the sanded surface is sanded through a sanding process to ensure the thickness uniformity between batches of substrates.

[0113] By controlling the second anti-stretching mesh layer 104 in the doping layer 103 to move toward the template surface during processing, that is, increasing the distance between the second anti-stretching mesh layer 104 and the upper surface of the doping layer 103 during processing, the product will produce warping at both ends toward the template surface, that is, "n"-shaped warping, thereby controlling the overall warping of the product and reducing the bending deformation caused by the thin decorative panel.

[0114] As an optional implementation, the lower surface of the glass magnesium layer can also be provided with a wear-resistant sheet. The glass magnesium layer and the wear-resistant sheet are bonded with PUR, and the PUR coating amount is 40-50g / m 2 .

[0115] In one embodiment of the present application, a method for manufacturing a plate is also proposed, which mainly includes material preparation and structural assembly.

[0116] Specifically, when preparing the finishing layer 101, a layer of melamine paper needs to be laid on the surface of the 1mm density board, and then sent to a hot press to be hot pressed into the finishing layer; a five-layer hot press can be used, and during hot pressing, the pressure is 13-16MPa, the temperature is 135-145℃, and the time is 13-13.5 minutes.

[0117] When preparing the sound-proof cushion layer 102, the EVA coil or sheet is subjected to double-sided corona treatment using a corona machine at a current of 0.5-1.0 A and a speed of 10 m / min.

[0118] When preparing the adhesive, use a two-component polyurethane cold-pressed adhesive, that is, component A is the resin and component B is the curing agent, with a ratio of A:B=4:1.

[0119] When the structure is assembled, the product is composed of a finishing layer 101, a glue layer, a soundproofing cushion layer 102, a glue layer, and a glass magnesium layer from top to bottom.

[0120] Specifically, the sanded surface of the doping layer 103 is coated with adhesive at an ambient temperature below 25° C. The adhesive is polyurethane adhesive with a coating amount of 100-110 g / m 2 The coating amount should be such that there is a slight overflow of adhesive during pre-pressing. The ambient temperature during the coating process should be controlled below 25°C to prevent the adhesive from solidifying. If the adhesive or the rubber roller becomes sticky during the process, the rubber roller needs to be cleaned and replaced with new adhesive.

[0121] Apply double-sided corona-treated EVA to the adhesive-coated surface. Roll and flatten appropriately. Add pads for stacking. Align the sheets vertically. It is recommended to stack less than 30 sheets. Add a cover for pre-pressing. The pre-pressing pressure should be 2-5MPa, and the pre-pressing time should be no less than 40 minutes.

[0122] Then press again, and the pressure during re-pressing is 2-5MPa. When the ambient temperature is greater than 25°C, the re-pressing time is not less than 2 hours, and when the ambient temperature is not greater than 25°C, the re-pressing time is not less than 4 hours.

[0123] The pressure is set at 2-5 MPa to avoid the elastic structure of EVA from being destroyed.

[0124] After re-pressing, the products are stacked individually and cured for 48 hours to allow the adhesive to fully cure.

[0125] Next, a second gluing process is performed, that is, the gluing machine is adjusted, the configured adhesive is applied, the adhesive is applied to the un-glued surface of the EVA at an ambient temperature below 25°C, and a finishing layer is attached, wherein the density board is in contact with the adhesive.

[0126] The adhesive is polyurethane adhesive, and the coating amount is 100-110g / m 2 The coating amount should be such that there is a slight overflow of glue during pre-pressing.

[0127] During the coating process, the ambient temperature should be controlled below 25°C to prevent the adhesive from solidifying. If the adhesive or the rubber roller becomes sticky during the process, the rubber roller needs to be cleaned and replaced with new adhesive.

[0128] On the glue-coated surface, place the veneer on the surface with the base material facing downwards and aligned with the glue-coated surface. Because the veneer is warped, each sheet needs to be stacked with a pad. When stacking, align the sheets up and down. It is recommended to stack less than 30 sheets. Then add a cover sheet for pre-compression.

[0129] During pre-pressing, the pressure should be 2-5MPa and the pre-pressing time should not be less than 40 minutes. During pre-pressing, it is best to have a slight glue overflow around the board.

[0130] Then re-pressing is performed, and the pressure during re-pressing is 2-5MPa. When the ambient temperature is greater than 25°C, the re-pressing time is not less than 2 hours, and when the ambient temperature is not greater than 25°C, the re-pressing time is not less than 4 hours.

[0131] The pressure is set at 2-5 MPa to avoid the elastic structure of EVA from being destroyed.

[0132] After re-pressing, the products are stacked individually and allowed to cure for 48 hours to allow the adhesive to fully cure.

[0133] After trial-producing the product according to the above production method, the product is tested.

[0134] In a constant temperature and humidity chamber at 50°C and 20% humidity, the warpage test record of the board made of the finishing layer 101, the mute cushion layer 102, and the glass magnesium layer stacked in sequence from top to bottom is as follows:

[0135] Under normal sunlight conditions, the warpage of the product was recorded at 8:00 am and 3:00 pm every day. The test records of the board made of the finishing layer 101, the silent cushion layer 102, and the glass magnesium layer stacked in sequence from top to bottom are as follows:

[0136] It can be seen from the above table that the warpage of the plate produced by the technical solution of this embodiment meets the requirements.

[0137] After applying 1.5MPa pressure to the plate for three hours, the results of the thickness rebound test of the silent pad 102 are shown in the following table:

[0138] In one embodiment, a soundproof floor is provided, comprising the plate material of the above embodiment. Specifically, in this embodiment, the soundproof floor is processed from the plate material of the above embodiment. Specifically, a connecting portion is provided on at least one side of the glass magnesium layer, and a mating portion adapted to the connecting portion is provided on the other side opposite the glass magnesium layer.

[0139] In one embodiment, when the plate is cut into a rectangular shape, a connecting portion can be processed at one long side of the glass magnesium layer, and a matching portion adapted to the connecting portion can be processed at the other corresponding long side.

[0140] The connection parts and matching parts here have been widely disclosed in the prior art, and their shapes can adopt the connection parts and matching parts used in the floor in the prior art, which will not be described in detail here.

[0141] It should be noted that the glass magnesium layer needs to be of a certain thickness to facilitate the processing of the connecting and mating parts, thereby enabling convenient installation. If the glass magnesium layer is less than 8mm thick, the locking strength of adjacent silent floor panels will be weakened when the connecting and mating parts are adapted to achieve connection. Therefore, in this embodiment, the glass magnesium layer is thicker than 8mm.

[0142] It is also important to note that in order to solve the warping problem that may occur when melamine paper is pasted on one side of a thin density board, when the thickness of the glass magnesium layer is greater than 8 mm, the distance between the first anti-stretching mesh layer 106 and the second anti-stretching mesh layer 104 is greater than 4 mm.

[0143] In one embodiment, a method for manufacturing a soundproof floor is also provided, including material preparation, structural assembly, cutting and dividing the panels, and grooving.

[0144] Specifically, the method includes the following steps: adding pure slurry for forming a glass magnesium board onto a backing plate, then laying a first anti-stretching mesh layer, and adjusting the sinking depth of the first anti-stretching mesh layer; then adding pure slurry for forming a glass magnesium board mixed with lightweight fibers, then laying a second anti-stretching mesh layer, and then adding pure slurry for forming a glass magnesium board mixed with filling fibers to cover the second anti-stretching mesh layer; after curing and solidification, processing the board to make its thickness uniform; bonding the finishing layer to the sound-proof pad layer, and bonding the sound-proof pad layer to the glass magnesium layer; processing a connecting portion on at least one side of the glass magnesium layer, and processing a matching portion adapted to the connecting portion on the other side opposite to the side.

[0145] Specifically, when preparing the finishing layer 101, a layer of melamine paper needs to be laid on the surface of the 1mm density board, and then sent to a hot press to be hot pressed into the finishing layer; a five-layer hot press can be used, and during hot pressing, the pressure is 13-16MPa, the temperature is 135-145℃, and the time is 13-13.5 minutes.

[0146] When preparing the sound-proof cushion layer 102, the EVA coil or sheet is subjected to double-sided corona treatment using a corona machine at a current of 0.5-1.0 A and a speed of 10 m / min.

[0147] When preparing the adhesive, use a two-component polyurethane cold-pressed adhesive, that is, component A is the resin and component B is the curing agent, with a ratio of A:B=4:1.

[0148] When the structure is assembled, the product is composed of a finishing layer 101, a glue layer, a soundproofing cushion layer 102, a glue layer, and a glass magnesium layer from top to bottom.

[0149] Specifically, the sanded surface of the doping layer is coated with adhesive at an ambient temperature below 25°C. The adhesive is polyurethane adhesive and the coating amount is 100-110 g / m 2 The coating amount should be such that there is a slight overflow of adhesive during pre-pressing. The ambient temperature during the coating process should be controlled below 25°C to prevent the adhesive from solidifying. If the adhesive or the rubber roller becomes sticky during the process, the rubber roller needs to be cleaned and replaced with new adhesive.

[0150] Apply double-sided corona-treated EVA to the adhesive-coated surface. Roll and flatten appropriately. Add pads for stacking. Align the sheets vertically. It is recommended to stack less than 30 sheets. Add a cover for pre-pressing. The pre-pressing pressure should be 2-5MPa, and the pre-pressing time should be no less than 40 minutes.

[0151] Then press again, and the pressure during re-pressing is 2-5MPa. When the ambient temperature is greater than 25°C, the re-pressing time is not less than 2 hours, and when the ambient temperature is not greater than 25°C, the re-pressing time is not less than 4 hours.

[0152] The pressure is set at 2-5 MPa to avoid the elastic structure of EVA from being destroyed.

[0153] After re-pressing, the products are stacked individually and cured for 48 hours to allow the adhesive to fully cure.

[0154] Next, a second gluing process is performed, that is, the gluing machine is adjusted, the configured adhesive is applied, the adhesive is applied to the un-glued surface of the EVA at an ambient temperature below 25°C, and a finishing layer is attached, wherein the density board is in contact with the adhesive.

[0155] The adhesive is polyurethane adhesive, and the coating amount is 100-110g / m 2 The coating amount should be such that there is a slight overflow of glue during pre-pressing.

[0156] During the coating process, the ambient temperature should be controlled below 25°C to prevent the adhesive from solidifying. If the adhesive or the rubber roller becomes sticky during the process, the rubber roller needs to be cleaned and replaced with new adhesive.

[0157] On the glue-coated surface, place the veneer on the surface with the base material facing downwards and aligned with the glue-coated surface. Because the veneer is warped, each sheet needs to be stacked with a pad. When stacking, align the sheets up and down. It is recommended to stack less than 30 sheets. Then add a cover sheet for pre-compression.

[0158] During pre-pressing, the pressure should be 2-5MPa and the pre-pressing time should not be less than 40 minutes. During pre-pressing, it is best to have a slight glue overflow around the board.

[0159] Then re-pressing is performed, and the pressure during re-pressing is 2-5MPa. When the ambient temperature is greater than 25°C, the re-pressing time is not less than 2 hours, and when the ambient temperature is not greater than 25°C, the re-pressing time is not less than 4 hours.

[0160] The pressure is set at 2-5 MPa to avoid the elastic structure of EVA from being destroyed.

[0161] After re-pressing, the products are stacked individually and allowed to cure for 48 hours to allow the adhesive to fully cure.

[0162] When cutting and dividing the product, the cutting and dividing should be carried out according to the principle of maximizing the material yield. First, the short sides are milled as the reference edges, and then the long sides are divided. The placement direction is distinguished, and the stacking is transparent. The stacking height is recommended to be less than 1 meter.

[0163] The stacked small pieces of depanel are cured and tested for warpage and EVA rebound performance to ensure that the product thickness is uniform, there is no banana shape, and the warpage meets the requirements.

[0164] When grooving, the grooves are cut according to the special mouth shape of the glass magnesium layer, and the connecting parts and matching parts are compared with the standard template to ensure that the gap, tightness, net size, etc. meet the requirements. The process can be checked for assembly gaps, assembly height differences, etc.

[0165] After grooving, 6 pieces of products were randomly selected to test the warpage. The test results of the silent floor made of the finishing layer 101, the silent cushion layer 102, and the glass magnesium layer stacked in sequence from top to bottom are shown in the following table:

[0166] This shows that the warping degree of the soundproof floor manufactured in this embodiment meets the requirements.

[0167] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs a structure and embodiment similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A plate, characterized in that: It includes a finishing layer, a soundproof cushion layer, and a glass magnesium layer stacked in sequence from top to bottom; The glass magnesium layer is mainly formed by a composite of a substrate layer and a doping layer; the doping layer is located between the substrate layer and the mute pad layer, and the temperature and humidity deformation of the doping layer is greater than that of the substrate layer; At least one second anti-stretching mesh layer is arranged in the doping layer, and meshes are arranged on the second anti-stretching mesh layer. The doping layer materials on both sides of the second anti-stretching mesh layer form a connection structure through the meshes.

2. The plate material according to claim 1, characterized in that: The thickness of the doping layer is greater than that of the substrate layer, and the density of the substrate layer is higher than that of the doping layer.

3. The plate material according to claim 2, characterized in that: At least one first anti-stretching mesh layer is arranged in the substrate layer, and meshes are arranged on the first anti-stretching mesh layer. The meshes are used to form a connection structure through which materials forming the substrate layers on both sides of the first anti-stretching mesh layer pass.

4. The plate material according to claim 3, characterized in that: The distance between the first anti-stretching mesh layer and the lower surface of the substrate layer is H1, and the value range of H1 is 0.3-1.0 mm; The distance between the second anti-stretching mesh layer and the upper surface of the doping layer is H2, and the value range of H2 is 1.5-3.0 mm; The distance between the first anti-stretching mesh layer and the second anti-stretching mesh layer is greater than 4 mm.

5. The sheet material according to claim 3, characterized in that: The first anti-stretching mesh layer and the second anti-stretching mesh layer are neutral glass fiber mesh cloth or alkali-free glass fiber mesh cloth.

6. The sheet material according to claim 5, characterized in that: Neutral glass fiber mesh cloth or alkali-free glass fiber mesh cloth has a grammage greater than 100-200g / m 2 .

7. A plate material, characterized in that: It includes a finishing layer, a soundproof cushion layer, and a glass magnesium layer stacked in sequence from top to bottom; The glass magnesium layer is mainly formed by a composite of a substrate layer and a doping layer; the doping layer is located between the substrate layer and the mute pad layer, and the doping layer is mixed with lightweight fibers relative to the substrate layer, so that the density of the doping layer is less than that of the substrate layer; At least one second anti-stretching mesh layer is arranged in the doping layer, and meshes are arranged on the second anti-stretching mesh layer. The doping layer materials on both sides of the second anti-stretching mesh layer form a connection structure through the meshes.

8. The plate material according to claim 7, characterized in that: The light fiber added to the doping layer includes one or more of wood powder, bamboo powder, straw powder, and husk powder; The density of the lightweight fibers is lower than the density of the material forming the substrate layer.

9. The plate material according to claim 7, characterized in that: The hardness of the doping layer is less than that of the substrate layer.

10. The sheet material according to any one of claims 1 to 9, characterized in that: The sound-proof cushion layer is EVA, and the EVA is subjected to double-sided corona treatment.

11. The plate material according to claim 10, characterized in that: The EVA has a thickness of 1.0-1.5 mm and a Shore A hardness of 60-65.

12. The sheet material according to claim 10, characterized in that: The upper and lower surfaces of the soundproof cushion layer are respectively bonded to the finishing layer and the doping layer by polyurethane adhesive; Among them, the coating amount of polyurethane glue is 100-110g / m 2 .

13. The sheet material according to any one of claims 1 to 9, characterized in that: The facing layer includes melamine paper and density board stacked in sequence from top to bottom; the thickness of the glass magnesium layer is greater than 8mm.

14. A plate material, characterized in that: It includes wood veneer veneer and glass magnesium layer stacked from top to bottom; The glass magnesium layer is mainly formed by a composite of a substrate layer and a doping layer; the doping layer is located between the substrate layer and the mute pad layer, and the temperature and humidity deformation of the doping layer is greater than that of the substrate layer; At least one second anti-stretching mesh layer is arranged in the doping layer, and meshes are arranged on the second anti-stretching mesh layer. The doping layer materials on both sides of the second anti-stretching mesh layer form a connection structure through the meshes.

15. A plate material according to claim 14, characterized in that: The glass magnesium layer adopts the glass magnesium layer structure described in any one of claims 2 to 13.

16. A soundproof floor, characterized in that: A plate material comprising any one of claims 1 to 13; At least one side of the glass magnesium layer is provided with a connecting portion, and the other side opposite to the side is provided with a matching portion matched with the connecting portion.

17. A method for manufacturing a soundproof floor as claimed in claim 16, characterized in that: The following steps are involved: Add pure slurry for forming glass magnesium board on the pad, then lay the first anti-stretching mesh layer, and adjust the sinking depth of the first anti-stretching mesh layer; Then, pure slurry mixed with light fiber to form a glass magnesium board is added, and then the second anti-stretching mesh layer is laid, and then pure slurry mixed with filling fiber to form a glass magnesium board is added to cover the second anti-stretching mesh layer; After curing, the plate is processed to make it uniform in thickness; Bonding the facing layer to the soundproof cushion layer, and bonding the soundproof cushion layer to the glass magnesium layer; A connecting portion is processed on at least one side of the glass magnesium layer, and a matching portion matched with the connecting portion is processed on the other side opposite to the side.

Images