Antimycotic polyurethane automotive seat leather
By introducing an innovative design that incorporates an anti-mold protective layer, a heat dissipation structural layer, and a flame-retardant layer into polyurethane automotive seat leather, the problem of mold growth has been solved, achieving a healthy, comfortable, and durable seat experience, while also improving the material's wear resistance and heat dissipation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGZHOU DERWINS PLASTICS TECH
- Filing Date
- 2025-05-16
- Publication Date
- 2026-05-26
AI Technical Summary
Polyurethane car seat leather is prone to mold growth in humid and high-temperature environments, which can affect the health and comfort of drivers and passengers.
It adopts a combination design of anti-mold protective layer, heat dissipation structure layer and flame retardant layer, and uses nano-level silver-based antibacterial agent, graphene micro flakes and carbon fiber materials, combined with air pores and anti-slip grooves to enhance antibacterial effect and heat dissipation performance.
It effectively inhibits mold growth, improves the health and comfort of seats, and enhances wear resistance and flame retardancy, adapting to complex in-vehicle environments.
Smart Images

Figure CN224276553U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive seat leather technology, specifically to an anti-mold polyurethane automotive seat leather. Background Technology
[0002] Polyurethane synthetic leather has advantages such as high strength, wear resistance, cold resistance, breathability, aging resistance, solvent resistance, soft texture, and beautiful appearance.
[0003] Currently, polyurethane car seat leather is used on the surface of car seats during the production process. However, polyurethane artificial leather may develop mold inside the polyurethane car seat leather due to humidity and high temperature during use, which cannot provide a healthier, more comfortable and durable seat experience for drivers and passengers.
[0004] Therefore, an anti-mold polyurethane automotive seat leather is proposed. Utility Model Content
[0005] The purpose of this invention is to provide an anti-mold polyurethane car seat leather to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an anti-mold polyurethane car seat leather, comprising an outer surface layer;
[0007] Below the outermost layer, there are an intermediate layer and a bottom layer, and the outermost layer, intermediate layer and bottom layer are all bonded together by adhesive.
[0008] The outer layer includes an anti-mold protective layer, and the middle layer includes a heat dissipation structural layer;
[0009] The anti-mold protective layer and the heat dissipation structure layer are internally interconnected, and the bottom layer includes a base fabric layer.
[0010] Preferably, the top surface of the anti-mold protective layer is uniformly provided with anti-slip grooves, the upper surface of the anti-mold protective layer is coated with a wear-resistant layer, and the wear-resistant layer and the anti-mold protective layer are vertically connected by a ventilation hole.
[0011] Preferably, the anti-mold protective layer is composed of a nano-scale silver-based antibacterial agent and a polyurethane resin, the thickness of the anti-mold protective layer is 0.1 mm, and the wear-resistant layer is made by coating micron-scale alumina onto the surface of the anti-mold protective layer.
[0012] Preferably, the top surface of the heat dissipation structure layer is uniformly provided with ventilation grooves, and the bottom surface of the ventilation grooves is vertically connected to the bottom surface of the heat dissipation structure layer with ventilation holes. The ventilation holes are connected to the corresponding ventilation grooves, and the top surface of the heat dissipation structure layer is bonded to the bottom surface of the anti-mildew protective layer.
[0013] Preferably, a buffer layer is provided below the heat dissipation structure layer, and a connecting layer is fixedly provided between the heat dissipation structure layer and the buffer layer, wherein the thickness of the heat dissipation structure layer is 0.6 mm.
[0014] Preferably, the heat dissipation structure layer is made of polyurethane matrix with added graphene microsheets and carbon fiber, the buffer layer is a highly elastic polyurethane foam material, and the connecting layer is an environmentally friendly hot melt adhesive material.
[0015] Preferably, a flame-retardant layer is fixedly disposed on the top surface of the base fabric layer, and the top surface of the flame-retardant layer is bonded to the bottom surface of the buffer layer.
[0016] Preferably, the base fabric layer is made of high-strength polyester fiber, and the flame retardant layer is composed of an intumescent flame retardant and an organosilicon quaternary ammonium salt antibacterial agent.
[0017] Compared with the prior art, the beneficial effects of this utility model are: the anti-mold polyurethane car seat leather,
[0018] 1) By using polyurethane as the base material and applying innovative anti-mold technology, this product fundamentally solves the problems of traditional car seat leather being susceptible to mold erosion, odor growth, and health impact. This product not only possesses the wear-resistant, scratch-resistant, and easy-to-clean properties of polyurethane material itself, but also effectively inhibits mold growth in complex in-vehicle environments such as humidity and high temperatures, providing a healthier, more comfortable, and durable seat experience for drivers and passengers. It also meets the urgent needs of the automotive industry for high-quality and environmentally friendly interior materials.
[0019] 2) By adding antibacterial agents inside the outer anti-mold protective layer, mold growth can be effectively inhibited; anti-slip grooves are set on the surface of the anti-mold protective layer to form an uneven micro-texture, which increases surface friction to prevent passengers from sliding on the one hand; and increases the specific surface area on the other hand, so that the antibacterial agent can play a better role.
[0020] 3) By setting up a heat dissipation structure layer in the middle layer, and adding graphene microsheets and carbon fibers to the polyurethane matrix, the thermal conductivity of this layer is greatly improved compared with traditional polyurethane materials, which can effectively reduce the overall temperature of the seat leather. Attached Figure Description
[0021] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a three-dimensional schematic diagram of a partial structure of the present invention;
[0023] Figure 3 This is a three-dimensional schematic diagram of the heat dissipation structure layer of this utility model.
[0024] In the diagram: 1 Outer layer, 11 Anti-mildew protective layer, 12 Anti-slip groove, 13 Wear-resistant layer, 14 Ventilation hole one, 2 Intermediate layer, 21 Heat dissipation structure layer, 22 Buffer layer, 23 Connecting layer, 24 Ventilation groove, 25 Ventilation hole two, 3 Bottom layer, 31 Base fabric layer, 32 Flame retardant layer. Detailed Implementation
[0025] 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. Example
[0026] Please see Figures 1-3 This utility model provides a technical solution: an anti-mold polyurethane car seat leather, including an outer surface layer 1;
[0027] Below the outermost layer 1, there are an intermediate layer 2 and a bottom layer 3, which are all bonded together by adhesive.
[0028] The outer layer 1 includes an anti-mold protective layer 11, and the middle layer 2 includes a heat dissipation structure layer 21;
[0029] The anti-mold protective layer 11 and the heat dissipation structure layer 21 are internally interconnected, and the bottom layer 3 includes a base fabric layer 31;
[0030] The top surface of the anti-mold protective layer 11 is uniformly provided with anti-slip grooves 12. The upper surface of the anti-mold protective layer 11 is coated with a wear-resistant layer 13. The wear-resistant layer 13 and the anti-mold protective layer 11 are vertically connected and have ventilation holes 14. The anti-mold protective layer 11 is composed of nano-level silver-based antibacterial agent and polyurethane resin. The thickness of the anti-mold protective layer 11 is 0.1 mm. The wear-resistant layer 13 is made by coating micron-level alumina on the surface of the anti-mold protective layer 11.
[0031] Furthermore, in this embodiment, by adding an antibacterial agent inside the anti-mold protective layer 11 of the outer surface layer 1, mold growth can be effectively inhibited; anti-slip grooves 12 are provided on the surface of the anti-mold protective layer 11 to form an uneven micro-texture, which on the one hand increases the surface friction to prevent passengers from sliding; on the other hand, increases the specific surface area so that the antibacterial agent can play a better role. Example
[0032] Please see Figures 1-3Furthermore, based on Embodiment 1, the following is obtained: the top surface of the heat dissipation structure layer 21 is uniformly provided with ventilation grooves 24, the bottom surface of the ventilation grooves 24 is vertically connected to the heat dissipation structure layer 21 and ventilation holes 25 are provided, ventilation holes 14 are connected to the corresponding ventilation grooves 24, and the top surface of the heat dissipation structure layer 21 is bonded to the bottom surface of the anti-mildew protective layer 11.
[0033] A buffer layer 22 is provided below the heat dissipation structure layer 21, and a connecting layer 23 is fixedly provided between the heat dissipation structure layer 21 and the buffer layer 22. The thickness of the heat dissipation structure layer 21 is 0.6mm. The heat dissipation structure layer 21 is made of polyurethane matrix with added graphene micro flakes and carbon fiber. The buffer layer 22 is a high elastic polyurethane foam material, and the connecting layer 23 is an environmentally friendly hot melt adhesive material.
[0034] A flame-retardant layer 32 is fixedly provided on the top surface of the base fabric layer 31. The top surface of the flame-retardant layer 32 is bonded to the bottom surface of the buffer layer 22. The base fabric layer 31 is made of high-strength polyester fiber and the flame-retardant layer 32 is composed of an intumescent flame retardant and an organosilicon quaternary ammonium salt antibacterial agent.
[0035] Furthermore, in this embodiment, by setting a heat dissipation structure layer 21 in the intermediate layer 2, graphene microsheets and carbon fibers are added to the polyurethane matrix, which greatly improves the thermal conductivity of this layer compared with traditional polyurethane materials, and can effectively reduce the overall temperature of the seat leather.
[0036] In use, the addition of antibacterial agents to the anti-mold protective layer 11 of the outermost layer 1 effectively inhibits mold growth. Anti-slip grooves 12 are set on the surface of the anti-mold protective layer 11 to form an uneven micro-texture, which increases surface friction to prevent passengers from sliding and increases the specific surface area so that the antibacterial agent can play a better role. By setting the heat dissipation structure layer 21 of the middle layer 2, graphene micro-sheets and carbon fibers are added to the polyurethane matrix, the thermal conductivity of this layer is greatly improved compared with traditional polyurethane materials. A flame retardant layer 32 is set. The intumescent flame retardant expands to form a carbonized layer when exposed to high temperature, preventing heat transfer and flame spread, and improving the flame retardant performance of the seat leather.
[0037] 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 the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An antifungal polyurethane car seat leather, comprising an outer surface layer (1); characterized in that Below the outer layer (1), there are an intermediate layer (2) and a bottom layer (3) in sequence, and the outer layer (1), intermediate layer (2) and bottom layer (3) are all bonded together by adhesive. The outer layer (1) includes an anti-mold protective layer (11), and the middle layer (2) includes a heat dissipation structure layer (21). The anti-mold protective layer (11) and the heat dissipation structure layer (21) are internally connected, and the bottom layer (3) includes a base fabric layer (31).
2. The anti-mold polyurethane automotive seat leather according to claim 1, characterized in that: The top surface of the anti-mold protective layer (11) is uniformly provided with anti-slip grooves (12), the upper surface of the anti-mold protective layer (11) is coated with a wear-resistant layer (13), and the wear-resistant layer (13) and the anti-mold protective layer (11) are vertically connected with a ventilation hole (14).
3. The anti-mold polyurethane automotive seat leather according to claim 2, characterized in that: The anti-mold protective layer (11) has a thickness of 0.1 mm, and the wear-resistant layer (13) is made by coating micron-sized alumina onto the surface of the anti-mold protective layer (11).
4. The anti-mold polyurethane automotive seat cover leather according to claim 3, characterized in that: The top surface of the heat dissipation structure layer (21) is uniformly provided with ventilation grooves (24), and the bottom surface of the ventilation grooves (24) is vertically connected to the heat dissipation structure layer (21) with ventilation holes (25). The ventilation holes (14) are connected to the corresponding ventilation grooves (24), and the top surface of the heat dissipation structure layer (21) is bonded to the bottom surface of the anti-mildew protective layer (11).
5. The anti-mold polyurethane automotive seat cover leather according to claim 4, characterized in that: A buffer layer (22) is provided below the heat dissipation structure layer (21), and a connecting layer (23) is fixedly provided between the heat dissipation structure layer (21) and the buffer layer (22). The thickness of the heat dissipation structure layer (21) is 0.6 mm.
6. The anti-mold polyurethane automotive seat cover leather according to claim 5, characterized in that: The buffer layer (22) is a highly elastic polyurethane foam material, and the connecting layer (23) is an environmentally friendly hot melt adhesive material.
7. The anti-mold polyurethane automotive seat cover leather according to claim 6, characterized in that: A flame-retardant layer (32) is fixedly provided on the top surface of the base fabric layer (31), and the top surface of the flame-retardant layer (32) is bonded to the bottom surface of the buffer layer (22).
8. The antifungal polyurethane automotive seat leather according to claim 7, characterized in that: The base fabric layer (31) is made of high-strength polyester fiber.