Automobile leather with good stain resistance
By introducing a combination of non-woven fabric layer, nylon fiber layer, latex layer, nano silver layer, modified polyurethane layer, and silica particles into automotive leather, the problems of stain resistance and antibacterial properties of automotive leather are solved, and the waterproofness, abrasion resistance, and comfort of the leather are improved.
Patent Information
- Application Number
- CN202422682970.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing automotive leather has poor stain resistance and is prone to bacterial accumulation in the enclosed interior of a car.
It adopts a combination structure of leather non-woven fabric layer, leather nylon fiber layer, leather latex layer, leather nano silver layer, fluorine modified polyurethane layer and silica particles. The stain resistance of fluorine modified polyurethane layer and the microstructure of silica particles improve water resistance and hardness, the cushioning performance of leather latex layer and the antibacterial performance of leather nano silver layer are combined.
It improves the leather's water resistance, stain resistance, antibacterial properties, and comfort, inhibits bacterial growth, and enhances the leather's abrasion resistance and UV resistance.
Smart Images

Figure CN223507846U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile leather, especially to a good automobile leather of dirt resistance. BACKGROUND
[0002] The automobile leather is a material commonly used in the interior decoration of the automobile, which is mainly composed of a surface layer, an intermediate layer and a bottom layer. The surface layer of the automobile leather is mainly animal leather, the intermediate layer usually uses fiber material, and the bottom layer generally adopts non-woven material.
[0003] In the prior art, the automobile leather has poor dirt resistance. Dirt often adheres to the outer wall of the leather during daily use. Since the automobile leather is used in the interior of the automobile, the interior of the automobile is often in a closed state, which easily causes an increase in bacteria inside the automobile leather. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of automobile leather of dirt resistance, to solve the problem that the automobile leather of dirt resistance is poor in the above background technology, dirt often adheres to the outer wall of the leather during daily use, since the automobile leather is used in the interior of the automobile, the interior of the automobile is often in a closed state, which easily causes an increase in bacteria inside the automobile leather.
[0005] To achieve the above object, the utility model adopts the following technical scheme: including: leather non-woven fabric layer, the top of the leather non-woven fabric layer is fixedly connected with the bottom of leather nylon fiber layer, the top of the leather nylon fiber layer is fixedly connected with the bottom of leather latex layer, the top of the leather latex layer is fixedly connected with the bottom of leather nanometer silver layer, the top of the leather nanometer silver layer is fixedly connected with the bottom of leather surface layer, the top of the leather surface layer is fixedly connected with the bottom of fluorine modified polyurethane layer, and silica particles are mixed in the interior of the fluorine modified polyurethane layer.
[0006] As a preferred embodiment, the top of the leather non-woven fabric layer is glued to the bottom of the leather nylon fiber layer.
[0007] As a preferred embodiment, the top of the leather nylon fiber layer is glued to the bottom of the leather latex layer.
[0008] As a preferred embodiment, the top of the leather nanometer silver layer is coated on the leather latex layer.
[0009] As a preferred embodiment, the fluorine modified polyurethane layer is coated on the outer wall of the leather surface layer.
[0010] As a preferred embodiment, the fluorine modified polyurethane layer is coated on the outer wall of the leather surface layer.
[0011] As a preferred embodiment, the silica particles are uniformly dispersed in the fluorine-modified polyurethane layer.
[0012] Compared with the prior art, the utility model has the advantages and positive effects that:
[0013] 1、The utility model discloses a fluorine-modified polyurethane layer and silica particles are coated on the surface of the leather surface layer, when stains are encountered, can avoid the stains to adhere to the surface of the leather surface layer, through the excellent weather resistance, chemical resistance and low surface energy characteristics of polyurethane, improve the waterproofness and stain resistance of leather, through the uniform dispersion of silica particles in the fluorine-modified polyurethane layer, form a special microstructure, and then increase the hardness, wear resistance and ultraviolet resistance of the fluorine-modified polyurethane layer.
[0014] 2、The utility model discloses a leather when using, through the leather latex layer buffering the force of pressing down, when bacteria enter the inside of leather, through the leather nanometer silver layer inhibiting the growth of bacteria, through the setting of leather latex layer increases the cushioning performance of leather, promotes the comfort degree, through the inhibition of the growth of bacteria of leather nanometer silver layer, improves the sanitary performance of leather. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is a structure schematic view of the automobile leather with good stain resistance provided by the utility model;
[0016] Fig. 2 is a partial sectional view of the automobile leather with good stain resistance provided by the utility model;
[0017] Fig. 3 is a fluorine-modified polyurethane layer sectional view of the automobile leather with good stain resistance provided by the utility model.
[0018] LEGEND:
[0019] 1, leather non -woven fabric layer;2, leather nylon fiber layer;3, leather latex layer;4, leather nanometer silver layer;5, leather surface layer;6, fluorine-modified polyurethane layer;7, silica particles. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model.
[0021] Obviously, the described embodiments are only a part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Please refer to Fig. 1- Figure 3The utility model provides a technical scheme: include: leather non -woven fabric layer 1, leather non -woven fabric layer 1's top with leather nylon fibre layer 2's bottom fixed connection, leather nylon fibre layer 2's top with leather latex layer 3's bottom fixed connection, leather latex layer 3's top with leather nanometer silver layer 4's bottom fixed connection, leather nanometer silver layer 4's top with leather surface layer 5's bottom fixed connection, leather surface layer 5's top with fluorine modified polyurethane layer 6's bottom fixed connection, the inside mixing of fluorine modified polyurethane layer 6 has silica particle 7.
[0023] In one embodiment, the top of the leather non-woven fabric layer 1 is glued to the bottom of the leather nylon fiber layer 2.
[0024] Specifically, the leather non-woven fabric layer 1 plays a supporting and fixing role.
[0025] In one embodiment, the top of the leather nylon fiber layer 2 is glued to the bottom of the leather latex layer 3.
[0026] Specifically, the leather nylon fiber layer 2 increases the strength and toughness of the leather.
[0027] In one embodiment, the leather nanometer silver layer 4 is coated on the top of the leather latex layer 3.
[0028] Specifically, the leather latex layer 3 is provided to increase the buffering performance of the leather, and the leather nanometer silver layer 4 inhibits the growth of bacteria to improve the hygiene performance of the leather.
[0029] In one embodiment, the fluorine modified polyurethane layer 6 is coated on the outer wall of the leather surface layer 5.
[0030] Specifically, the polyurethane has excellent weather resistance, chemical resistance and low surface energy characteristics, which improves the waterproofness and stain resistance of the leather.
[0031] In one embodiment, the silica particles 7 are evenly distributed in the fluorine modified polyurethane layer 6.
[0032] Specifically, the silica particles 7 are evenly distributed in the fluorine modified polyurethane layer 6, forming a special microstructure, which further increases the hardness, wear resistance and ultraviolet resistance of the fluorine modified polyurethane layer 6.
[0033]
[0034] Working principle: the fluorine modified polyurethane layer 6 and the silica particles 7 are coated on the surface of the leather surface layer 5, when encountering stains, the stains can be prevented from adhering to the surface of the leather surface layer 5, when the leather is used, the force of pressing is buffered through the leather latex layer 3, and when bacteria enter the inside of the leather, the growth of the bacteria is inhibited through the leather nano-silver layer 4.
[0035] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belong to the protection scope of the technical scheme of the present application.
Claims
1. A type of automotive leather with good stain resistance, characterized in that, The utility model relates to a leather non -woven fabric layer (1), leather nylon fiber layer (2) of top of leather non -woven fabric layer (1) with the bottom fixed connection of leather, the bottom fixed connection of leather latex layer (3) of leather nylon fiber layer (2) with the top of leather latex layer (3), the bottom fixed connection of leather nanometer silver layer (4) of leather latex layer (3) with the top of leather nanometer silver layer (4), the bottom fixed connection of leather surface layer (5) of leather nanometer silver layer (4) with the top of leather surface layer (5), the bottom fixed connection of fluorine modified polyurethane layer (6) of leather surface layer (5) with the top of fluorine modified polyurethane layer (6), the inside mixed with silica particle (7) of fluorine modified polyurethane layer (6). The top of the leather non-woven fabric layer (1) is glued to the bottom of the leather nylon fiber layer (2).
2. The automobile leather with good stain resistance according to claim 1, characterized in that: The top of the leather nylon fiber layer (2) is glued to the bottom of the leather latex layer (3).
3. The automobile leather with good stain resistance according to claim 1, characterized in that: The leather nanometer silver layer (4) is coated on the top of the leather latex layer (3).
4. The automobile leather with good stain resistance according to claim 1, characterized in that: The fluorine modified polyurethane layer (6) is coated on the outer wall of the leather surface layer (5).
5. The automobile leather with good stain resistance according to claim 1, characterized in that: The silica particles (7) are evenly distributed in the body of the fluorine modified polyurethane layer (6).
6. The automobile leather with good stain resistance according to claim 1, characterized in that: