High-strength anti-deformation environment-friendly PU artificial leather

Abstract

The utility model relates to the technical field of artificial leather, in particular to high-strength deformation-resistant environment-friendly PU (polyurethane) artificial leather which comprises a base cloth layer and a hydrophobic layer arranged on the base cloth layer, and further comprises a deformation-resistant layer which adopts a screen frame and is arranged below the base cloth layer; and the wear-resistant layer is arranged below the anti-deformation layer. According to the high-strength anti-deformation environment-friendly PU artificial leather, the anti-deformation layer of the screen frame structure is adopted, the overall strength of the artificial leather can be effectively enhanced, and the artificial leather is not prone to deformation. Due to the design of the regular hexagonal inner holes, the artificial leather has good stability and uniform stress characteristics while the strength is guaranteed, when the artificial leather is subjected to external force, stress can be better dispersed, wrinkles are reduced, and the problems that the surface of traditional artificial leather is prone to wrinkles and is difficult to smooth are solved.

Description

Technical Field

[0001] This utility model relates to the field of artificial leather technology, specifically a high-strength, deformation-resistant, environmentally friendly PU artificial leather. Background Technology

[0002] Environmentally friendly PU artificial leather is artificial leather made from polyurethane resin as the main raw material through a series of processing techniques. It is widely used in the automotive interior field. Traditional artificial leather is prone to wrinkles on the surface, which are difficult to smooth out and are inconvenient to use, especially its edges, which are prone to curling and wear. Utility Model Content

[0003] Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a high-strength, deformation-resistant, and environmentally friendly PU artificial leather.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-strength, deformation-resistant, environmentally friendly PU artificial leather, comprising a base fabric layer and a hydrophobic layer, wherein the hydrophobic layer is disposed on the base fabric layer, and further comprising:

[0007] An anti-deformation layer, wherein the anti-deformation layer is a mesh frame and is disposed below the base fabric layer;

[0008] A wear-resistant layer is disposed below the deformation-resistant layer.

[0009] Preferably, a number of flanges are provided below the wear-resistant layer.

[0010] Preferably, the flange is hemispherical.

[0011] Preferably, the hydrophobic layer, the base fabric layer, the deformation-resistant layer, and the wear-resistant layer are covered with a covering strip on their outer sides.

[0012] Preferably, the outer side of the covering strip is provided with several sets of reinforcing ribs, the reinforcing ribs are C-shaped, and the bottom wall of the reinforcing ribs is flush with the bottom wall of the flange.

[0013] Preferably, the inner hole of the deformation-resistant layer is a regular hexagon.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a high-strength, deformation-resistant, and environmentally friendly PU artificial leather, which has the following beneficial effects:

[0016] This high-strength, deformation-resistant, and environmentally friendly PU artificial leather features a mesh frame structure for its anti-deformation layer, effectively enhancing the overall strength of the leather and making it less prone to deformation. The hexagonal inner hole design ensures strength while also providing excellent stability and uniform stress distribution. When the artificial leather is subjected to external forces, it better disperses stress, reducing wrinkles and solving the problem of traditional artificial leather surfaces being prone to wrinkling and difficult to smooth. Attached Figure Description

[0017] Fig. 1 This is a schematic diagram of the main structure of this utility model;

[0018] Fig. 2 This is a bottom view of the structure of this utility model;

[0019] Fig. 3 This is an exploded view of the structure of this utility model.

[0020] In the diagram: 1. Base fabric layer; 2. Hydrophobic layer; 3. Deformation-resistant layer; 4. Wear-resistant layer; 5. Flange; 6. Covering strip; 7. Reinforcing rib. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figs. 1-3 A high-strength, deformation-resistant, environmentally friendly PU artificial leather includes a base fabric layer 1 and a hydrophobic layer 2. The hydrophobic layer 2 is disposed on the base fabric layer 1. It also includes an anti-deformation layer 3, which is a mesh frame structure disposed below the base fabric layer 1. The anti-deformation layer 3 adopts a mesh frame structure with hexagonal inner holes. The hexagonal structure has high stability; when the artificial leather is subjected to external pressure, tension, or other external forces, the force is evenly distributed along the edges and corners of the hexagon. Compared to other shapes, the hexagon can more effectively distribute stress throughout the entire anti-deformation layer 3, avoiding localized stress concentration. This enhances the overall resistance to deformation of the artificial leather, making it less prone to wrinkles. Even after being subjected to a certain degree of compression or stretching, it can quickly return to its original shape after the external force is removed.

[0023] The wear-resistant layer 4 is disposed below the anti-deformation layer 3 and comes into direct contact with external objects that may cause friction. When the artificial leather is subjected to friction during use, the wear-resistant layer 4 is the first to bear the frictional force. Its material properties and structure effectively resist this friction, reducing damage to the base fabric layer 1 and other internal structures, thereby extending the service life of the artificial leather. Especially at the edges of the artificial leather, where friction with external objects is more likely, the wear-resistant layer 4 provides crucial protection against edge wear.

[0024] The hemispherical flanges 5 located beneath the wear-resistant layer 4 form multiple support points between the artificial leather and the contact surface. These flanges 5 increase the friction with the contact surface, providing an anti-slip effect and making the laid artificial leather more stable and less prone to slipping in car seats, interior panels, and other locations. At the same time, when subjected to external impact, the hemispherical flanges 5 also provide a certain degree of cushioning, reducing the impact force on the deformation layer 3 and the base fabric layer 1.

[0025] A covering strip 6 tightly wraps around the edges of the artificial leather, covering the outer sides of the hydrophobic layer 2, base fabric layer 1, anti-deformation layer 3, and abrasion-resistant layer 4. The covering strip 6 prevents moisture, dust, and other impurities from entering the artificial leather, avoiding edge curling due to moisture or contamination. C-shaped reinforcing ribs 7 on the outer side of the covering strip 6 further enhance the edge strength; the C-shaped structure better resists external forces that pull and abrade the edges. The bottom wall of the reinforcing rib 7 is flush with the bottom wall of the flange 5, making the bottom of the artificial leather more flat and stable overall, protecting the edges of the artificial leather from multiple angles and preventing curling and wear.

[0026] Its specific preparation process includes:

[0027] Based on the intended use and performance requirements of the artificial leather, select a suitable base fabric material, such as woven or non-woven fabric made of polyester fiber, nylon fiber, etc. The base fabric needs to have a certain strength and flexibility to provide a stable supporting structure for the artificial leather;

[0028] Select materials suitable for making the mesh frame structure, such as high-strength polyurethane elastomer or other polymer materials with good mechanical properties.

[0029] A frame-shaped anti-deformation layer with hexagonal inner holes is produced by injection molding or extrusion molding.

[0030] Select polyurethane materials with excellent wear resistance, or polyurethane composite materials with added wear-resistant fillers (such as ceramic micro powder, carbon fiber, etc.) as the wear-resistant layer 4 material.

[0031] The hemispherical flange 5 can be manufactured using injection molding. A suitable rubber or elastic plastic material is selected, and the hemispherical flange 5 is formed using a mold.

[0032] After the wear-resistant layer 4 is coated but not yet fully cured, the fabricated hemispherical flanges 5 are evenly arranged and fixed below the wear-resistant layer 4 according to the design requirements. Hot pressing or chemical bonding can be used to ensure that the flanges 5 are tightly bonded to the wear-resistant layer 4 and will not fall off during use;

[0033] Select materials with good hydrophobic properties, such as polytetrafluoroethylene (PTFE), and formulate them into solutions or slurries suitable for coating. Add appropriate dispersants, leveling agents, and other additives to improve the coating performance of the material and ensure the formation of a uniform hydrophobic layer.

[0034] A covering strip 6, made from a material with a certain degree of flexibility and wear resistance, such as rubber or plastic, is formed to fit the edge of the product. The covering strip 6 can be produced in specific shapes and sizes through extrusion molding.

[0035] C-shaped reinforcing ribs 7 are manufactured using injection molding or compression molding methods;

[0036] After the fabrication and assembly of each layer are completed, the artificial leather is cured and dried.

[0037] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0038] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-strength, deformation-resistant, environmentally friendly PU artificial leather, comprising a base fabric layer (1) and a hydrophobic layer (2), wherein the hydrophobic layer (2) is disposed on the base fabric layer (1), characterized in that, Also includes: An anti-deformation layer (3) is provided, wherein the anti-deformation layer (3) is a mesh frame and is disposed below the base fabric layer (1); Wear-resistant layer (4) is disposed below the anti-deformation layer (3).

2. The high-strength, deformation-resistant, environmentally friendly PU artificial leather according to claim 1, characterized in that, Several sets of flanges (5) are also provided below the wear-resistant layer (4).

3. The high-strength, deformation-resistant, environmentally friendly PU artificial leather according to claim 2, characterized in that, The flange (5) is hemispherical.

4. The high-strength, deformation-resistant, environmentally friendly PU artificial leather according to claim 3, characterized in that, The hydrophobic layer (2), the base fabric layer (1), the deformation-resistant layer (3) and the wear-resistant layer (4) are covered with a covering strip (6).

5. The high-strength, deformation-resistant, environmentally friendly PU artificial leather according to claim 4, characterized in that, The outer side of the covering strip (6) is provided with several sets of reinforcing ribs (7), the reinforcing ribs (7) are C-shaped, and the bottom wall of the reinforcing ribs (7) is flush with the bottom wall of the flange (5).

6. The high-strength, deformation-resistant, environmentally friendly PU artificial leather according to claim 5, characterized in that, The inner hole of the anti-deformation layer (3) is a regular hexagon.

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