Wear-resistant and scratch-resistant leather
By installing a nano-silica coating, flame retardant layer and wear-resistant layer on the leather, combined with polyurethane resin and silicone coating, the problem of insufficient wear resistance and scratch resistance of the leather is solved, and the wear resistance of the leather is improved and flame retardant properties, extend service life and reduce fire risk.
Patent Information
- Application Number
- CN202421108447.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing leather has poor wear resistance, low scratch resistance, and insufficient flame retardant effect, which can easily increase fire risk and reduce the service life and practicality of the leather.
Using a structure composed of leather base layer, nano-silica coating, flame retardant layer and wear-resistant layer, the nano-silica coating is embedded with alumina particles, and the polyurethane connecting layer is equipped with a silver ion antibacterial coating away from the leather base layer, which is wear-resistant The layer includes polyurethane resin and silicone coating, with micro grooves on the leather base layer for enhanced connection stability.
It improves the wear resistance and scratch resistance of leather, extends service life, enhances flame retardant effect, reduces fire risk, and improves the practicality and aesthetics of leather.
Smart Images

Figure CN222291202U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to leather-related fields, in particular to wear-resistant and scratch-resistant leather. Background Art
[0002] Leather is a denatured and non-perishable animal skin obtained through physical and chemical processing such as depilation and tanning. Leather is composed of natural protein fibers tightly woven in three-dimensional space. Its surface has a special grain layer with natural grain and luster and feels comfortable. The leather industry covers main industries such as leather making, shoemaking, leather clothing, leather goods, fur and its products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. It has a high degree of correlation between upstream and downstream, relies on market pull, has evergreen products, and integrates the characteristics of earning foreign exchange, enriching the people, and providing employment.
[0003] The existing leather has poor wear resistance and is easily worn by external friction, thereby reducing the service life of the leather. The existing leather also has low scratch resistance, and leather products are easily scratched, which affects the aesthetics of the product. The existing leather has insufficient flame retardant effect, which easily increases the fire risk of the leather during transportation and storage, reducing the practicality of the leather. Summary of the invention
[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a wear-resistant and scratch-resistant leather to solve the above-mentioned technical problems.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wear-resistant and scratch-resistant leather, comprising a leather base layer, the outer side of which is provided with a nano-silicon dioxide coating, a flame retardant layer and a wear-resistant layer in sequence from bottom to top, and the inner side of the leather base layer is coated with a polyurethane connecting layer;
[0006] A plurality of aluminum oxide particles are embedded in the nano silicon dioxide coating;
[0007] The polyurethane connecting layer is provided with a silver ion antibacterial coating at one end away from the leather base layer;
[0008] The wear-resistant layer includes a polyurethane resin coating layer coated on the flame-retardant layer and a silicone coating layer coated on the polyurethane resin coating layer.
[0009] Preferably, the flame retardant layer is a phosphate flame retardant.
[0010] Preferably, micro grooves are provided on the leather base layer, and the interior of the micro grooves is filled with extensions provided on the polyurethane connecting layer.
[0011] Preferably, two or more micro grooves are provided on the inner side of the leather base layer.
[0012] Preferably, the nano-silicon dioxide coating completely wraps and covers the aluminum oxide particles.
[0013] Beneficial effects of the utility model:
[0014] The utility model provides a wear-resistant layer, a nano-silicon dioxide coating and a flame-retardant layer. The wear-resistant layer composed of a polyurethane resin coating and a silicone coating improves the wear resistance of the leather, reduces the wear of the leather due to friction, and increases the service life of the leather. The nano-silicon dioxide coating improves the scratch resistance of the leather, making it difficult for the leather product to be scratched, which is beneficial to ensuring the aesthetics of the leather product. The flame-retardant layer made of a phosphate flame retardant improves the flame-retardant effect of the leather, reduces the fire risk of the leather during transportation and storage, and is beneficial to improving the practicality of the leather. 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 wear-resistant layer structure of the utility model.
[0017] Among them: leather base layer-1, nano-silicon dioxide coating-2, flame retardant layer-3, wear-resistant layer-4, polyurethane connecting layer-5, silver ion antibacterial coating-6, extension body-7, micro grooves-8, aluminum oxide particles-9, polyurethane resin coating-41, silicone coating-42. DETAILED DESCRIPTION
[0018] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.
[0019] like Figure 1 As shown, the utility model provides a wear-resistant and scratch-resistant leather, comprising a leather base layer 1, the leather base layer 1 is natural leather, which has good air permeability, and the clothes made therefrom are more comfortable to wear;
[0020] like Figure 1 and Figure 2 As shown, in this embodiment, the outer side of the leather base layer 1 is provided with a nano silicon dioxide coating 2, a flame retardant layer 3 and a wear-resistant layer 4 in sequence from bottom to top, and the inner side of the leather base layer 1 is coated with a polyurethane connecting layer 5;
[0021] A plurality of aluminum oxide particles 9 are fixedly embedded in the nano-silicon dioxide coating 2. The aluminum oxide particles 9 have high strength, which can further improve the scratch resistance of the nano-silicon dioxide coating 2, and is conducive to further improving the scratch resistance of the leather.
[0022] A silver ion antibacterial coating 6 is provided at one end of the polyurethane connecting layer 5 away from the leather base layer 1, so as to improve the antibacterial ability of the leather;
[0023] The wear-resistant layer 4 includes a polyurethane resin coating 41 coated on the flame-retardant layer 3 and a silicone coating 42 coated on the polyurethane resin coating 41;
[0024] In this embodiment, the flame retardant layer 3 is a phosphate flame retardant, which can effectively increase the thermal stability of the leather and reduce the flammability, thereby reducing the fire risk of the leather during transportation and storage;
[0025] In this embodiment, the nano-silicon dioxide coating 2 completely covers the aluminum oxide particles 9, thereby improving the stability of the aluminum oxide particles 9 and reducing the shedding of the aluminum oxide particles 9;
[0026] In this embodiment, a micro groove 8 is formed on the leather base layer 1, and the interior of the micro groove 8 is filled with an extension body 7 provided on the polyurethane connecting layer 5. The extension body 7 cooperates with the groove 8 to improve the stability of the polyurethane connecting layer 5 connecting to the leather base layer 1.
[0027] Furthermore, two or more micro grooves 8 are evenly spaced inside the leather base layer 1, and the extension body 7 fills the multiple micro grooves 8, which is beneficial to further improve the stability of the polyurethane connecting layer 5 connecting the leather base layer 1;
[0028] Specifically, when the leather is in use, the polyurethane resin coating 41 provided on the leather enhances the wear resistance and tear resistance of the leather, while the silicone coating 42 can significantly improve the smoothness and wear resistance of the leather, and the silicone coating 42 also has excellent waterproof performance, so that the silicone coating 42 cooperates with the polyurethane resin coating 41 to provide more effective anti-wear protection for the leather base layer 1, and the silver ion antibacterial coating 6 enhances the antibacterial ability of the leather, and the provided polyurethane connecting layer 5 enhances the bonding force between the silver ion antibacterial coating 6 and the leather base layer 1, and improves the stability of the silver ion antibacterial coating 6;
[0029] Furthermore, the nano-silicon dioxide coating 2 provides anti-scratch protection for the leather, and the addition of aluminum oxide particles 9 increases the strength of the nano-silicon dioxide coating 2, which is beneficial to further enhance the anti-scratch ability of the leather, thereby helping to increase the service life of the leather.
[0030] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A wear-resistant and scratch-resistant leather, comprising a leather base layer (1); It is characterized in that The outer side of the leather base layer (1) is provided with a nano silicon dioxide coating (2), a flame retardant layer (3) and a wear-resistant layer (4) in order from bottom to top, and the inner side of the leather base layer (1) is coated with a polyurethane connecting layer (5); A plurality of aluminum oxide particles (9) are embedded in the nano silicon dioxide coating (2); The polyurethane connecting layer (5) is provided with a silver ion antibacterial coating (6) at one end away from the leather base layer (1); The wear-resistant layer (4) comprises a polyurethane resin coating (41) coated on the flame-retardant layer (3) and a silicone coating (42) coated on the polyurethane resin coating (41).
2. The wear-resistant and scratch-resistant leather according to claim 1, characterized in that: The flame retardant layer (3) is a phosphate flame retardant.
3. The wear-resistant and scratch-resistant leather according to claim 1, characterized in that: The leather base layer (1) is provided with a micro groove (8), and the interior of the micro groove (8) is filled with an extension body (7) provided on the polyurethane connecting layer (5).
4. The wear-resistant and scratch-resistant leather according to claim 3, characterized in that: The inner side of the leather base layer (1) is provided with more than two micro grooves (8).
5. The wear-resistant and scratch-resistant leather according to claim 1, characterized in that: The nano silicon dioxide coating (2) completely wraps and covers the aluminum oxide particles (9).
