Flame-retardant wallboard

Abstract

The flame-retardant wallboard comprises an SPC base material layer, an upper aluminum alloy layer and a lower aluminum alloy layer are arranged on the top face and the bottom face of the SPC base material layer respectively, a PVC color film layer is arranged on the top face of the upper aluminum alloy layer, a primer layer and a finish paint layer are sequentially arranged on the top face of the PVC color film layer from bottom to top, the primer layer is coated on the top face of the PVC color film layer, and the finish paint layer is coated on the top face of the PVC color film layer. The top surface of the primer layer is coated with the finish paint layer; according to the flame-retardant wallboard, the SPC base material layer, the upper aluminum alloy layer and the lower aluminum alloy layer are arranged, so that the flame-retardant wallboard has better fireproof and flame-retardant performance, and the safety coefficient is high.

Description

Technical Field

[0001] The utility model relates to the field of wall panels, in particular to a flame retardant wall panel. Background Art

[0002] Decorative wall panels are wall panels used for interior decoration. In recent years, as the country pays more attention to construction, people have higher and higher requirements for decorative wall panels. They are not only required to have a decorative and beautiful effect, but also to have a good fireproof effect, which can effectively reduce the harm caused by fire. However, most of the existing decorative wall panels have poor fire retardant properties.

[0003] Therefore, we need to design a flame retardant wall panel to solve the above problems. Utility Model Content

[0004] Aiming at the problem that the existing decorative wall panels have poor fireproof and flame retardant performance, the utility model aims to solve the above problem by providing a flame retardant wall panel.

[0005] According to one aspect of the utility model, a flame retardant wall panel is provided, including an SPC substrate layer, an upper aluminum alloy layer and a lower aluminum alloy layer are respectively provided on the top and bottom surfaces of the SPC substrate layer, a PVC color film layer is provided on the top surface of the upper aluminum alloy layer, a primer layer and a topcoat layer are provided on the top surface of the PVC color film layer in order from bottom to top, the primer layer is applied to the top surface of the PVC color film layer, and the topcoat layer is applied to the top surface of the primer layer. The utility model can ensure that the flame retardant wall panel has good fireproof and flame retardant properties and a high safety factor by providing an SPC substrate layer, an upper aluminum alloy layer and a lower aluminum alloy layer. The SPC substrate layer has fireproof and flame retardant functions, and the upper aluminum alloy layer and the lower aluminum alloy layer also have good fireproof and flame retardant effects; the PVC color film layer is provided to play a decorative role, which can beautify the flame retardant wall panel.

[0006] In certain embodiments, the SPC substrate layer is bonded and fixed to the upper aluminum alloy layer and the lower aluminum alloy layer by PUR glue.

[0007] In certain embodiments, the PVC color film layer is covered and fixed on the top surface of the upper aluminum alloy layer by a flat lamination process, thereby improving the structural stability of the flame retardant wallboard.

[0008] In some embodiments, the primer layer is a UV wear-resistant primer layer, thereby improving the wear resistance and service life of the flame retardant wallboard.

[0009] In some embodiments, the topcoat layer is a nano-silver antibacterial topcoat layer, thereby effectively inhibiting Escherichia coli and Staphylococcus aureus, and improving the sterilization performance and service life of the flame retardant wallboard.

[0010] In some embodiments, locking structures are provided on both sides of the SPC substrate layer, so that adjacent flame-retardant wallboards can be spliced ​​together during installation, making installation simple and convenient.

[0011] In some embodiments, the locking structure includes a groove and a projection, and the groove and the projection are adapted to each other, so that the projection can be inserted into the groove to achieve a fixed connection between adjacent flame retardant wallboards.

[0012] In certain embodiments, the SPC substrate layer has a thickness of 4 mm.

[0013] In certain embodiments, the thickness of the upper aluminum alloy layer and the lower aluminum alloy layer are both 0.2 mm.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model can ensure that the flame retardant wallboard has good fire retardant performance and high safety factor by setting the SPC substrate layer, the upper aluminum alloy layer and the lower aluminum alloy layer. The SPC substrate layer has the function of fire retardant, and the upper aluminum alloy layer and the lower aluminum alloy layer also have good fire retardant effect; by setting the PVC color film layer to play a decorative role, the flame retardant wallboard can beautify.

[0016] 2. The utility model can improve the wear resistance and service life of the flame retardant wallboard by providing a UV wear-resistant primer layer; and can improve the sterilization performance and service life of the flame retardant wallboard by providing a nano silver antibacterial topcoat layer.

[0017] 3. The utility model is simple and convenient to install by setting a locking structure; and the flame retardant wall panel is light and thin without losing strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] In the figure: 1, lower aluminum alloy layer; 2, SPC substrate layer; 3, upper aluminum alloy layer; 4, PVC color film layer; 5, primer layer; 6, topcoat layer; 7, groove; 8, bump. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below in conjunction with the accompanying drawings.

[0021] The following describes the utility model and its implementation methods, which are not restrictive and the actual implementation methods are not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

[0022] refer to Figure 1 The utility model provides a flame retardant wall panel, including an SPC substrate layer 2, an upper aluminum alloy layer 3 and a lower aluminum alloy layer 1 are respectively arranged on the top and bottom surfaces of the SPC substrate layer 2, a PVC color film layer 4 is arranged on the top surface of the upper aluminum alloy layer 3, and a primer layer 5 and a topcoat layer 6 are arranged on the top surface of the PVC color film layer 4 from bottom to top, the primer layer 5 is applied on the top surface of the PVC color film layer 4, and the topcoat layer 6 is applied on the top surface of the primer layer 5. The utility model can ensure that the flame retardant wall panel has good fireproof and flame retardant properties and a high safety factor by arranging the SPC substrate layer 2, the upper aluminum alloy layer 3 and the lower aluminum alloy layer 1. The SPC substrate layer 2 has the function of fireproof and flame retardant, and the upper aluminum alloy layer 3 and the lower aluminum alloy layer 1 also have good fireproof and flame retardant effects; the PVC color film layer 4 is arranged to play a decorative role, which can beautify the flame retardant wall panel.

[0023] The fireproof grade of the SPC substrate layer 2 can reach the B1 standard, which is unmatched by the solid wood substrate layer. The SPC substrate layer 2 also has the characteristics of waterproof and moisture-proof, high strength, formaldehyde-free and environmentally friendly. The total thickness of the flame-retardant wallboard is about 4.5mm, of which the thickness of the SPC substrate layer 2 is 4mm, and the thickness of the upper aluminum alloy layer 3 and the lower aluminum alloy layer 1 are both 0.2mm. The flame-retardant wallboard is thin and light without losing strength.

[0024] The SPC substrate layer 2 is bonded and fixed to the upper aluminum alloy layer 3 and the lower aluminum alloy layer 1 by PUR glue, and the PUR glue material is transparent and has good adhesion. The PVC color film layer 4 is covered and fixed on the top surface of the upper aluminum alloy layer 3 by a flat pasting process, and the flat pasting coating process can improve the structural stability of the flame retardant wallboard. The primer layer 5 is a UV wear-resistant primer layer, and the UV wear-resistant primer layer can improve the wear resistance and service life of the flame retardant wallboard. The topcoat layer 6 is a nano silver antibacterial topcoat layer, and the nano silver antibacterial topcoat layer is made by mixing, stirring, grinding, adjusting the pH and adding a thickener with water, a dispersant, a defoaming agent, a molding aid, a leveling agent, ultrafine aluminum silicate, lead powder, light calcium carbonate, talcum powder, heavy calcium carbonate, wollastonite powder, titanium dioxide and nano silver antibacterial materials. The nano silver particle size in the nano silver antibacterial topcoat layer is between 25 and 50 nm. The nano silver antibacterial topcoat layer can effectively inhibit Escherichia coli and Staphylococcus aureus. The provision of the topcoat layer 6 can effectively improve the sterilization performance and service life of the flame retardant wallboard.

[0025] The SPC substrate layer 2 is provided with a locking structure on both sides, and the locking structure includes a groove 7 and a protrusion 8, and the groove 7 and the protrusion 8 are adapted. The groove 7 and the protrusion 8 are respectively the connecting parts between adjacent flame-retardant wallboards, and the adjacent flame-retardant wallboards are locked and fixed by the locking structure. During installation, the protrusion 8 is inserted into the groove 7 to achieve a fixed connection between adjacent flame-retardant wallboards. The flame-retardant wallboard is installed with a locking structure, and the installation is simple and convenient.

[0026] The method for preparing the flame retardant wallboard comprises the following steps:

[0027] (1) Making SPC substrate: uniformly mix PVC resin, calcium carbonate powder, flame retardant, etc. and then melt-extrude them;

[0028] (2) Veneer: After the SPC substrate obtained in step (1) is coated with PUR adhesive on both sides, aluminum alloy plates are laminated on the top and bottom, and then placed in a cold press for 4 hours;

[0029] (3) Laminating: The plain board obtained in step (2) is subjected to a flat laminating process, and after the whole board is flatly laminated with PVC color film, it is left to cure for 72 hours;

[0030] (4) Slicing and slotting: Cut the plate obtained in step (3) into the required size, and use a slotting machine to cut out the locking grooves to make a plate with a locking structure;

[0031] (5) Painting: First spray a layer of UV wear-resistant paint on the surface of the plate with the locking structure, and then spray a layer of nano-silver antibacterial paint.

[0032] When used, the flame retardant wallboard can be used as a decorative wallboard for indoor decoration occasions, which can meet the fire retardant requirements of customers. The flame retardant wallboard also has the advantages of antibacterial, light and thin, high strength, and long service life.

Claims

1. A flame retardant wallboard, characterized in that: The invention comprises an SPC substrate layer (2), wherein an upper aluminum alloy layer (3) and a lower aluminum alloy layer (1) are respectively arranged on the top and bottom surfaces of the SPC substrate layer, a PVC color film layer (4) is arranged on the top surface of the upper aluminum alloy layer, a primer layer (5) and a topcoat layer (6) are arranged on the top surface of the PVC color film layer (4) in order from bottom to top, the primer layer (5) is applied on the top surface of the PVC color film layer (4), and the topcoat layer (6) is applied on the top surface of the primer layer (5).

2. The flame retardant wallboard according to claim 1, characterized in that: The SPC substrate layer (2) is bonded and fixed to the upper aluminum alloy layer (3) and the lower aluminum alloy layer (1) by using PUR glue.

3. The flame retardant wallboard according to claim 1, characterized in that: The PVC color film layer (4) is covered and fixed on the top surface of the upper aluminum alloy layer (3) through a flat lamination process.

4. The flame retardant wallboard according to claim 1, characterized in that: The primer layer (5) is a UV wear-resistant primer layer.

5. The flame retardant wallboard according to claim 1, characterized in that: The topcoat layer (6) is a nano-silver antibacterial topcoat layer.

6. The flame retardant wallboard according to claim 1, characterized in that: Locking structures are provided on both sides of the SPC substrate layer (2).

7. The flame retardant wallboard according to claim 6, characterized in that: The locking structure comprises a groove (7) and a protrusion (8), and the groove (7) and the protrusion (8) are adapted to each other.

8. The flame retardant wallboard according to claim 1, characterized in that: The thickness of the SPC substrate layer (2) is 4 mm.

9. The flame retardant wallboard according to claim 1, characterized in that: The thickness of the upper aluminum alloy layer (3) and the lower aluminum alloy layer (1) are both 0.2 mm.

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