Novel impregnated paper laminated veneer multilayer composite wooden floor

By introducing a stable material layer into the composite wood floor, the crisscrossing explosion-proof fibers reinforce the hiding and stability of the non-woven fabric, and through modified melamine glue bonding, the defects in the structural design of the existing composite wood floor are solved, achieving better moisture-proof performance and installation control.

CN222576026UActive Publication Date: 2025-03-07GUANGDONG NATURE HOME FURNISHING TECH RES CO LTD
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Patent Information

Application Number
CN202421198246.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-03-07
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing impregnated paper-laminated wood composite wood floors have defects such as bulging, cross-printing, indentation, deformation, etc. in structural design, and indicators such as water absorption thickness expansion are affected by the performance of ultra-thin fiberboard.

Method used

The new impregnated paper laminated finish multi-layer composite wood floor structure is adopted, including a plywood layer, a stable material layer and an impregnated paper layer. The stabilizing material layer is composed of a non-woven layer and an explosion-proof fiber layer. The explosion-proof fiber layer is formed by crisscrossing to improve the hiding power and stability of the non-woven fabric, and is bonded by modified melamine glue.

Benefits of technology

It improves the hiding power and stability of non-woven fabrics, reduces the possibility of glue opening and deformation, is not prone to cracking in northern floor heating environments, enhances moisture resistance, and is easier to control the plate shape of the product during copying, reducing bending and deformation.

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Abstract

The utility model discloses a novel impregnated paper laminated veneer multilayer composite wooden floor which comprises a plywood layer. The stable material layer is arranged on the outer side of the plywood layer, the stable material layer comprises a non-woven fabric layer, an anti-explosion fiber layer is arranged in the non-woven fabric layer, and the anti-explosion fiber layer is formed by anti-explosion fibers in a criss-cross mode and used for improving the covering power and stability of non-woven fabric; the utility model has the benefits as follows: the stable material layer is arranged, explosion-proof fibers are mixed in the non-woven fabrics in the stable material layer, and the explosion-proof fibers and the stable material layer are crisscrossed to form one layer; then, the non-woven fabric added with the explosion-proof fibers is bonded to the base material layer through modified melamine glue; the covering power and the stability of the non-woven fabric can be improved, and meanwhile the non-woven fabric is not prone to glue failure and does not crack in the northern floor heating environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of composite wooden floors, in particular to a novel impregnated paper laminated facing multi-layer composite wooden floor. Background Art

[0002] Impregnated paper laminated veneer composite wood flooring has the excellent properties of the wood itself and has a good decorative effect. At the same time, it has a stable structure and strong adaptability to the use environment. It is widely used in interior decoration and other fields.

[0003] However, there are two structures of conventional impregnated paper laminated solid wood composite wood flooring on the market today: one is that the impregnated paper is directly glued on the plywood. The products of this structure have very high requirements for the plywood, and the products of this structure are very prone to defects such as bulging and horizontal printing; the other is that the impregnated paper is first glued on the ultra-thin fiberboard of 1.0-1.5mm, and then glued together with the plywood. The products of this structure are prone to defects such as indentation and deformation. At the same time, indicators such as the water absorption thickness expansion rate of the product are affected by the performance of the ultra-thin fiberboard. Utility Model Content

[0004] The utility model aims to provide a novel multi-layer composite wood floor with impregnated paper laminated veneer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a novel impregnated paper laminated veneer multi-layer composite wood floor, comprising:

[0006] plywood layer;

[0007] A stabilizing material layer, the stabilizing material layer is placed on the outside of the plywood layer, the stabilizing material layer comprises a non-woven fabric layer, an explosion-proof fiber layer is arranged inside the non-woven fabric layer, the explosion-proof fiber layer is formed by crisscrossing explosion-proof fibers, and is used to improve the covering power and stability of the non-woven fabric;

[0008] An impregnated paper layer is disposed on the outer side of the stabilizing material layer.

[0009] Preferably, the plywood layer is formed by stacking and bonding multiple layers of veneer in a criss-cross pattern in the direction of the wood grain.

[0010] Preferably, the plywood layer and the stabilizing material layer are bonded together by a glue layer.

[0011] Preferably, the glue layer is modified melamine glue.

[0012] Preferably, a longitudinal limiting protrusion is provided on one side of the plywood layer, and a transverse limiting protrusion is provided at the bottom of the longitudinal limiting protrusion.

[0013] Preferably, a transverse limiting groove cooperating with the longitudinal limiting protrusion is provided on the other side of the plywood layer, and a longitudinal limiting groove cooperating with the transverse limiting protrusion is provided inside the transverse limiting groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting a stabilizing material layer, the non-woven fabric in the stabilizing material layer is mixed with explosion-proof fibers, which are crisscrossed to form a layer, and then the layer of non-woven fabric with added explosion-proof fibers is bonded to the substrate layer through melamine glue; the covering power and stability of the non-woven fabric can be improved, and it is not easy to debond, and it will not crack in the northern floor heating environment; in addition, the treated non-woven fabric has better moisture-proof performance, and it is easier to control the plate shape of the product during re-pasting, and it is not easy to bend. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the stabilizing material layer of the utility model.

[0018] In the figure: 1. impregnated paper layer; 2. stabilizing material layer; 21. non-woven fabric layer; 22. explosion-proof fiber layer; 3. plywood layer; 4. longitudinal limiting protrusion; 7. transverse limiting protrusion; 8. transverse limiting groove; 9. longitudinal limiting groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , 2As shown in Figure 3, the utility model provides a technical solution: a new type of impregnated paper laminated veneer multi-layer composite wood floor, comprising: a plywood layer 3; a stabilizing material layer 2 bonded to the outside of the plywood layer 3, the stabilizing material layer 2 comprising a non-woven fabric layer 21, an explosion-proof fiber layer 22 is arranged inside the non-woven fabric layer 21, the explosion-proof fiber layer 22 is formed by explosion-proof fibers crisscrossing each other, and is used to improve the covering power and stability of the non-woven fabric, the non-woven fabric is mixed with explosion-proof fibers, which are crisscrossed with each other to form a layer, and then the non-woven fabric with the explosion-proof fibers added is bonded to the substrate layer through modified melamine glue; the covering power and stability of the non-woven fabric can be improved, and it is not easy to debond, and it will not crack in the northern floor heating environment; in addition, the moisture-proof performance of the treated non-woven fabric is also better, and it is easier to control the plate shape of the product during re-pasting, and it is not easy to bend; the impregnated paper layer 1 is placed on the outside of the stabilizing material layer 2.

[0021] It should be noted that when the utility model processes the above-mentioned multi-layer composite wood floor, it needs to be hot pressed, pasted, cut and produced as a finished product. Among them, the hot pressing process: first, a single-width single-layer hot press is used to hot press the impregnated paper and the stabilizing material layer at high temperature, wherein the hot pressing temperature is 200°C, the hot pressing time is 20S, the hot pressing pressure is 7MPa, and the product after hot pressing is aged for 3 days; pasting process: after the product of the hot pressing process is cured, it is pasted with plywood, and the glue is modified melamine glue, and first cold pressing is performed, the cold pressing pressure is 7MPa, and the time is 2h , and then use a multi-layer hot press for hot pressing, the hot pressing temperature is 100℃, the hot pressing time is 540S, the hot pressing pressure is 4MPa, and the large panels after hot pressing are cured for 12 days; cutting process: the large panels with sufficient curing period are cut, first fixed in length and then in width, and cut into strips of required specifications, using standard stacking racks and curing for 7 days; finished product production process: the strips after the curing period are produced as finished products, first the long and short sides are beveled, and the bottom and the willow position of the board are processed, including but not limited to wax sealing, oil sealing, and laminating operations, and then the product is packaged.

[0022] See also Figure 2 As shown, the plywood layer 3 is formed by stacking and bonding multiple layers of veneer in a crisscross pattern in the direction of the wood grain. The plywood layer 3 and the stabilizing material layer 2 are bonded together by a glue layer, and the glue layer is modified melamine glue.

[0023] It should be noted that the modified melamine glue of the utility model can ensure the close bonding between the floor layers and reduce the possibility of debonding due to its excellent bonding performance and high temperature resistance. The specially treated non-woven fabric not only enhances the moisture resistance, but also makes it easier to control the shape of the floor during the construction and pasting process, reducing the risk of bending and deformation.

[0024] See also Figure 1 , 2As shown, a longitudinal limiting protrusion 4 is provided on one side of the plywood layer 3, a transverse limiting protrusion 7 is provided at the bottom of the longitudinal limiting protrusion 4, a transverse limiting groove 8 cooperating with the longitudinal limiting protrusion 4 is provided on the other side of the plywood layer 3, and a longitudinal limiting groove 9 cooperating with the transverse limiting protrusion 7 is provided inside the transverse limiting groove 8.

[0025] It should be noted that the longitudinal limiting protrusion 4 of the utility model is located on one side of the plywood layer, which is used to provide longitudinal limiting and alignment functions when the floor is installed, ensuring a stable connection between adjacent floors; the transverse limiting protrusion 7 is arranged at the bottom of the longitudinal limiting protrusion 4, providing a transverse limiting function, further enhancing the stability of the floor installation, and preventing the floor from being displaced in the transverse direction; the transverse limiting groove 8 ensures that the floor can be accurately aligned during installation, improving the installation accuracy and stability; the longitudinal limiting groove 9 cooperates with the transverse limiting protrusion 7; enhances the stability of the floor connection, ensures that the floor can be tightly combined in both the longitudinal and transverse directions, and prevents loosening and displacement; aligns the longitudinal limiting protrusion 4 of one floor with the transverse limiting groove 8 of the adjacent floor; ensures that the transverse limiting protrusion 7 and the longitudinal limiting groove 9 are accurately engaged; slide the longitudinal limiting protrusion 4 from one end of the transverse limiting groove 8 into the transverse limiting groove 8, so that all limiting structures are tightly combined to complete a firm installation.

[0026] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel multi-layer composite wood floor with impregnated paper laminated veneer, characterized in that: include: Plywood layer (3); A stabilizing material layer (2), the stabilizing material layer (2) being disposed on the outside of the plywood layer (3), the stabilizing material layer (2) comprising a non-woven fabric layer (21), an explosion-proof fiber layer (22) being arranged inside the non-woven fabric layer (21), the explosion-proof fiber layer (22) being formed by explosion-proof fibers crisscrossing each other, and being used to improve the covering power and stability of the non-woven fabric; An impregnated paper layer (1) is placed on the outside of the stabilizing material layer (2).

2. The novel impregnated paper laminated veneer multi-layer composite wood floor according to claim 1, characterized in that: The plywood layer (3) is formed by stacking and bonding multiple layers of veneer in a crisscross pattern in the direction of the wood grain.

3. The novel impregnated paper laminated veneer multi-layer composite wood floor according to claim 2, characterized in that: The plywood layer (3) and the stabilizing material layer (2) are bonded together via a glue layer.

4. The novel impregnated paper laminated veneer multi-layer composite wood floor according to claim 3, characterized in that: The glue layer is modified melamine glue.

5. The novel impregnated paper laminated veneer multi-layer composite wood floor according to claim 1, characterized in that: A longitudinal limiting protrusion (4) is provided on one side of the plywood layer (3), and a transverse limiting protrusion (7) is provided at the bottom of the longitudinal limiting protrusion (4).

6. The novel impregnated paper laminated veneer multi-layer composite wood floor according to claim 2, characterized in that: The other side of the plywood layer (3) is provided with a transverse limiting groove (8) cooperating with the longitudinal limiting protrusion (4), and the interior of the transverse limiting groove (8) is provided with a longitudinal limiting groove (9) cooperating with the transverse limiting protrusion (7).