High-performance modified polyurethane rubber
By setting a cushioning and shock-absorbing layer, a reinforcing layer, a weather-resistant stabilizing layer, and a corrosion-resistant protective layer on the surface of the modified polyurethane rubber layer, the problems of cushioning resistance, corrosion resistance, and oxidation resistance of the modified polyurethane rubber are solved, and the overall performance is improved.
Patent Information
- Application Number
- CN202422505547.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-16
AI Technical Summary
Existing modified polyurethane rubbers have poor cushioning performance during use, are easily damaged by external forces, have poor corrosion resistance, are easily oxidized, and are affected by ultraviolet rays, resulting in a decline in overall performance.
A buffer and shock-absorbing layer, a reinforcing layer, a weather-resistant stabilizing layer, and a corrosion-resistant protective layer are provided on the surface of the modified polyurethane rubber layer. The buffer and shock-absorbing layer is composed of hollow spheres, the reinforcing layer is composed of carbon fiber mesh, the weather-resistant stabilizing layer contains antioxidants and ultraviolet absorbers, and the corrosion-resistant protective layer is composed of polyurea coating.
It improves the cushioning and shock absorption effect of modified polyurethane rubber, enhances its strength and stiffness, inhibits oxidation and UV damage, enhances corrosion resistance, and protects the material from chemical erosion.
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Figure CN223590302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to modified polyurethane rubber technical field especially relates to a kind of high-performance modified polyurethane rubber. BACKGROUND
[0002] Polyurethane rubber is the series elastomer material containing more carbamate groups on polymer main chain, actually is polyurethane rubber, is called polyurethane rubber or urethane rubber or polyurethane elastomer for short.
[0003] Polymer chain contains carbamate groups, ester groups, ether groups, urea groups, aryl groups and fatty chains, etc., usually by oligomer polyol, polyisocyanate and chain extender are formed, polyurethane rubber is formed with different structure and variety type along with the difference of raw material and proportion, reaction mode and condition, modified polyurethane rubber is a kind of high molecular material with excellent performance, it is modified by traditional polyurethane rubber.
[0004] In daily work, it is found that the existing modified polyurethane rubber is relatively traditional and single in structure, and the anti-buffering effect of the modified polyurethane rubber is poor during use, and the phenomenon of being damaged by external force is arbitrary, the overall impact resistance is poor, the corrosion resistance is poor, and the overall service life is poor, which leads to the problem of poor overall performance of the existing modified polyurethane rubber. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the problem of poor overall performance of the existing modified polyurethane rubber in the prior art, and provides a kind of high-performance modified polyurethane rubber.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of high-performance modified polyurethane rubber, including modified polyurethane rubber layer and auxiliary device, the auxiliary device is arranged on the surface of modified polyurethane rubber layer, the auxiliary device includes buffer shock attenuation layer, the buffer shock attenuation layer is arranged on the surface of modified polyurethane rubber layer, the buffer shock attenuation layer is provided with reinforcing layer above, the reinforcing layer is provided with weather-resistant stable layer above, the weather-resistant stable layer is provided with corrosion-resistant protective layer above.
[0007] Preferably, the buffer shock attenuation layer includes an auxiliary rubber layer, the auxiliary rubber layer is bonded to the surface of the modified polyurethane rubber layer, and a plurality of hollow spheres are fixedly connected to the surface of the auxiliary rubber layer, the plurality of hollow sphere layers are arranged at equal intervals, the hollow spheres can be deformed when subjected to external force, so as to absorb and disperse impact force, thereby providing good buffer shock attenuation effect, and the auxiliary rubber layer can uniformly distribute and connect the plurality of hollow spheres.
[0008] Preferably, the reinforcing layer comprises a carbon fiber mesh with a diameter of about 10 microns and a spacing between fibers of 0.5 millimeters, which significantly improves the strength and stiffness of the modified polyurethane rubber layer through the above-mentioned components, enabling it to withstand greater external forces.
[0009] Preferably, an adhesive is provided between the carbon fiber mesh and the cushioning layer, and the carbon fiber mesh is adhered to the cushioning layer through the adhesive, which stably bonds the carbon fiber mesh to the cushioning layer through the adhesive, improving the stability of the carbon fiber mesh.
[0010] Preferably, the weather-resistant stabilizing layer comprises an antioxidant and an ultraviolet light absorber, which are applied to the reinforcing layer in a coating manner, and the antioxidant can inhibit the oxidation reaction of the material with oxygen in the air during long-term use, preventing the material from aging, hardening, and becoming brittle, and the ultraviolet light absorber can absorb ultraviolet light in sunlight, preventing damage to the material caused by ultraviolet light, which can cause the polyurethane rubber molecular chain to break, resulting in a decrease in material performance.
[0011] Preferably, the corrosion-resistant protective layer comprises a polyurea coating applied to the weather-resistant stabilizing layer, which has excellent corrosion resistance and can resist the corrosion of various chemicals such as acids, bases, and salts, effectively protecting the material from corrosion.
[0012] Compared with the prior art, the advantages and positive effects of the present application are as follows:
[0013] 1. In the present application, the auxiliary device is provided with a cushioning layer, which can provide good cushioning effect, and the reinforcing layer can improve the strength and stiffness of the modified polyurethane rubber layer, and the weather-resistant stabilizing layer can inhibit the oxidation reaction of the material with oxygen in the air during long-term use and reduce the damage to the material caused by ultraviolet light, and the corrosion-resistant protective layer can improve the overall corrosion resistance, resist the corrosion of various chemicals such as acids, bases, and salts, and effectively protect the material from corrosion, thereby improving the overall performance of the modified polyurethane rubber. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A three-dimensional structure diagram of a high-performance modified polyurethane rubber is provided for the present application;
[0015] Figure 2 A cushioning layer structure diagram of a high-performance modified polyurethane rubber is provided for the present application;
[0016] Figure 3 A reinforcing layer structure diagram of a high-performance modified polyurethane rubber is provided for the present application;
[0017] Figure 4 The utility model provides a kind of weather-resistant stable layer structure schematic diagram of high-performance modified polyurethane rubber.
[0018] Legend:
[0019] 1, modified polyurethane rubber layer;2, auxiliary device;21, buffer shock-absorbing layer;211, hollow sphere;212, auxiliary rubber layer;22, reinforcing layer;221, carbon fiber net;222, adhesive;23, weather-resistant stable layer;231, antioxidant;232, ultraviolet absorber;24, corrosion-resistant protective layer;241, polyurea coating. Specific embodiments
[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of high-performance modified polyurethane rubber, including modified polyurethane rubber layer 1 and auxiliary device 2, auxiliary device 2 is set on the surface of modified polyurethane rubber layer 1, auxiliary device 2 includes buffer shock-absorbing layer 21, buffer shock-absorbing layer 21 is set on the surface of modified polyurethane rubber layer 1, the top of buffer shock-absorbing layer 21 is provided with reinforcing layer 22, the top of reinforcing layer 22 is provided with weather-resistant stable layer 23, the top of weather-resistant stable layer 23 is provided with corrosion-resistant protective layer 24.
[0021] In the embodiment: by setting auxiliary device 2, by buffer shock-absorbing layer 21, good buffer shock-absorbing effect can be provided, by reinforcing layer 22, the strength and rigidity of modified polyurethane rubber layer 1 can be improved, by weather-resistant stable layer, oxidation reaction of material with oxygen in air in long-term use process can be inhibited, and the damage of ultraviolet to material is reduced, by setting corrosion-resistant protective layer 24, the overall corrosion resistance effect can be improved, can resist the erosion of various chemical substances such as acid, alkali, salt, can effectively protect material from corrosion.
[0022] Specifically, buffer shock-absorbing layer 21 includes auxiliary rubber layer 212, auxiliary rubber layer 212 is bonded on the surface of modified polyurethane rubber layer 1, the surface of auxiliary rubber layer 212 is fixedly connected with multiple hollow spheres 211, and multiple hollow spheres 211 are arranged at equal intervals.
[0023] In the embodiment: hollow sphere 211 can be deformed when subjected to external force, absorbs and disperses impact force, thereby providing good buffer shock-absorbing effect, and auxiliary rubber layer 212 can uniformly distribute and connect multiple hollow spheres 211.
[0024] Specifically, reinforcing layer 22 includes carbon fiber net 221, the diameter of carbon fiber net 221 is about 10 microns, and the spacing between fibers is 0.5 mm.
[0025] In this embodiment: the carbon fiber net 221 significantly improves the strength and stiffness of the modified polyurethane rubber layer 1, so that it can withstand greater external force.
[0026] Specifically, an adhesive 222 is arranged between the carbon fiber net 221 and the buffer damping layer 21, and the carbon fiber net 221 is adhered to the buffer damping layer 21 through the adhesive 222. The adhesive 222 can stably bond the carbon fiber net 221 to the buffer damping layer 21, thereby improving the stability of the carbon fiber net 221.
[0027] Specifically, the weather-resistant stable layer 23 includes an antioxidant 231 and an ultraviolet absorber 232, which are applied to the reinforcing layer 22.
[0028] In this embodiment: the antioxidant 231 can inhibit the oxidation reaction of the material with oxygen in the air during long-term use, prevent the material from aging, hardening, and becoming brittle, the ultraviolet absorber 232 can absorb ultraviolet rays in sunlight, prevent the damage of ultraviolet rays to the material, and the ultraviolet rays can cause the molecular chain of polyurethane rubber to break, resulting in a decrease in the performance of the material.
[0029] Specifically, the corrosion-resistant protective layer 24 includes a polyurea coating 241, which is applied to the weather-resistant stable layer 23. The polyurea coating 241 has excellent corrosion resistance and can resist the corrosion of various chemicals such as acid, alkali, and salt, thereby effectively protecting the material from corrosion.
[0030] Working principle: By arranging the buffer damping layer 21, when the modified polyurethane rubber layer 1 is subjected to external force, the multiple hollow spheres 211 in the buffer damping layer 21 can absorb and disperse the impact force, thereby providing good buffer damping effect. By bonding the carbon fiber net 221 to the buffer damping layer 21 through the adhesive 222, the stability of the carbon fiber net 221 is ensured, thereby the carbon fiber net 221 can improve the strength and stiffness of the modified polyurethane rubber layer 1, so that it can withstand greater external force. By applying the antioxidant 231 and the ultraviolet absorber 232 to the reinforcing layer 22, the antioxidant 231 can inhibit the oxidation reaction of the material with oxygen in the air during long-term use, prevent the material from aging, hardening, and becoming brittle, the ultraviolet absorber 232 can absorb ultraviolet rays in sunlight, prevent the damage of ultraviolet rays to the material, and the ultraviolet rays can cause the molecular chain of polyurethane rubber to break, resulting in a decrease in the performance of the material. By applying the polyurea coating 241, the overall corrosion resistance is improved, which can resist the corrosion of various chemicals such as acid, alkali, and salt, thereby effectively protecting the material from corrosion.
Claims
1. A high-performance modified polyurethane rubber, comprising a modified polyurethane rubber layer (1) and an auxiliary device (2), characterized in that: The auxiliary device (2) is arranged on the surface of the modified polyurethane rubber layer (1), the auxiliary device (2) comprises a buffer damping layer (21), the buffer damping layer (21) is arranged on the surface of the modified polyurethane rubber layer (1), the buffer damping layer (21) is provided with a reinforcing layer (22) above, the reinforcing layer (22) is provided with a weather-resistant stable layer (23) above, the weather-resistant stable layer (23) is provided with a corrosion-resistant protective layer (24) above.
2. The high performance modified polyurethane rubber according to claim 1, characterized in that: The buffer damping layer (21) comprises an auxiliary rubber layer (212), the auxiliary rubber layer (212) is bonded on the surface of the modified polyurethane rubber layer (1), a plurality of hollow spheres (211) are fixedly connected to the surface of the auxiliary rubber layer (212), and the plurality of hollow spheres (211) are arranged at equal intervals.
3. The high performance modified polyurethane rubber according to claim 1, characterized in that: The reinforcing layer (22) comprises a carbon fiber net (221), the diameter of the carbon fiber net (221) is about 10 microns, and the spacing between fibers is 0.5 mm.
4. The high performance modified polyurethane rubber according to claim 3, characterized in that: An adhesive (222) is arranged between the carbon fiber net (221) and the buffer damping layer (21), and the carbon fiber net (221) is adhered to the buffer damping layer (21) through the adhesive (222).
5. The high performance modified polyurethane rubber according to claim 1, characterized in that: The weather-resistant stable layer (23) comprises an antioxidant (231) and an ultraviolet absorber (232), and the antioxidant (231) and the ultraviolet absorber (232) are applied on the reinforcing layer (22) in a coating manner.
6. The high performance modified polyurethane rubber according to claim 1, characterized in that: The corrosion-resistant protective layer (24) comprises a polyurea coating layer (241), and the polyurea coating layer (241) is applied on the weather-resistant stable layer (23).