Wear-resistant thermoplastic elastomer material as well as preparation method and application thereof

Abstract

The invention discloses a wear-resistant thermoplastic elastomer material as well as a preparation method and application thereof, and relates to the technical field of cable sheaths. The wear-resistant thermoplastic elastomer material is prepared from the following components in parts by weight: 80-90 parts of thermoplastic polyurethane; 5-8 parts of polyethylene glycol; 8 to 15 parts of clay; 1-3 parts of a silane coupling agent; and 12-18 parts of an additive. The preparation method comprises the following steps: S1, preparing the additive; s2, mixing the materials; and S3, extruding and granulating. The cable sheath is applied to the field of cable sheaths. The polyethylene glycol improves the flexibility, plasticity, tensile strength, tear strength, wear resistance and the like of the material; the clay can effectively improve the strength, modulus and toughness of the material, so that internal gaps of the material become small, the barrier property is improved, and the wear resistance is improved through the unique layered structure of the clay; the polyethylene glycol and the clay are compounded, and the surface of the clay is rich in pores, so that hydroxyl groups at the ends of the polyethylene glycol penetrate into the pores, excellent interface bonding is provided, and the overall wear resistance of the material is improved.

Description

Technical Field

[0001] The present application relates to the technical field of cable sheaths, and in particular to wear-resistant thermoplastic elastomer materials and preparation methods and applications thereof. Background Art

[0002] The cable sheath is the outermost layer of the cable structure. It is an important barrier to protect the internal structure. Its main function is to protect the cable from external influences during and after installation, such as mechanical damage, moisture intrusion, chemical erosion, ultraviolet radiation, ozone effects, etc. Cable sheaths with different functions are used according to different usage environments.

[0003] In many usage scenarios, wear resistance is a very important aspect of cable sheaths. However, the flexibility, elongation at break, etc. of cable sheaths currently added with wear-resistant agents will be greatly affected. Therefore, it is necessary to develop a cable sheath material that does not affect the mechanical properties of the cable sheath and can improve its wear resistance. Summary of the invention

[0004] In order to solve at least one of the above technical problems, a material for cable sheath is developed that does not affect the mechanical properties of the cable sheath but can improve its wear resistance. The present application provides a wear-resistant thermoplastic elastomer material and a preparation method and application thereof.

[0005] On the one hand, the present application provides a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight:

[0006] 80-90 parts of thermoplastic polyurethane;

[0007] 5-8 parts of polyethylene glycol;

[0008] 8-15 parts of clay;

[0009] 1 to 3 parts of silane coupling agent;

[0010] 12 to 18 parts of additives.

[0011] Optionally, the particle size of the clay is no more than 0.2 μm.

[0012] Optionally, the weight ratio of the polyethylene glycol to the clay is 1:1.6-2.0.

[0013] Optionally, the clay is a combination of one or more of montmorillonite, illite and kaolinite.

[0014] Optionally, the additives include, by weight: 1 to 2 parts of ultraviolet absorber, 3 to 5 parts of light stabilizer, 3 to 8 parts of antioxidant, and 2 to 5 parts of heat stabilizer.

[0015] Optionally, the silane coupling agent is KH-550;

[0016] And / or, the light stabilizer is a hindered amine light stabilizer;

[0017] And / or, the ultraviolet absorber is one or more combinations of UV234, UV326 and UV328;

[0018] And / or, the antioxidant is a combination of one or more of antioxidant 168, antioxidant 1135 and antioxidant 1010;

[0019] And / or, the heat-resistant agent is one or more combinations of calcium oxide, magnesium oxide and aluminum oxide.

[0020] In a second aspect, the present application provides a method for preparing the above-mentioned wear-resistant thermoplastic elastomer material, comprising the following steps:

[0021] S1. Preparation of additives

[0022] respectively preparing ultraviolet absorbers, light stabilizers, heat stabilizers and antioxidant additives;

[0023] S2. Material mixing

[0024] The prepared ultraviolet absorber, light stabilizer, heat-resistant agent, antioxidant additive, thermoplastic polyurethane, clay, polyethylene glycol, and silane coupling agent are stirred and mixed uniformly to obtain a mixed material;

[0025] S3, extrusion granulation

[0026] The mixed material is extruded and granulated through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0027] In a third aspect, the present application provides application of the above-mentioned wear-resistant thermoplastic elastomer material in the field of cable sheath.

[0028] In summary, in the technical solution of the present invention, the added polyethylene glycol can effectively improve the flexibility and plasticity of the material, improve the tensile strength, tear strength and wear resistance of the material, etc.; the added clay can effectively improve the strength, modulus and toughness of the material, and can make the internal gaps of the material smaller, improve the barrier properties of the material, and improve the wear resistance of the material through its unique layered structure; and polyethylene glycol can be compounded with clay, and through the rich pores on the surface of the clay, the terminal hydroxyl groups of polyethylene glycol can penetrate into it, providing excellent interface bonding, providing sufficient bonding force, and making the clay, polyethylene glycol and other components more firmly bonded; thereby improving the overall wear resistance of the material. DETAILED DESCRIPTION

[0029] The present application is further described in detail below with reference to the embodiments.

[0030] In the following examples of the present application, the main components involved, unless otherwise specified, were purchased from commercially available products.

[0031] in:

[0032] The clay is exemplarily montmorillonite, with a particle size of no more than 0.2 μm, purchased from Xiamen Zijin Mining and Metallurgy Technology Co., Ltd.;

[0033] The silane coupling agent is exemplarily KH-550;

[0034] The light stabilizer is exemplified by a hindered amine light stabilizer;

[0035] The ultraviolet absorber is exemplified by UV234;

[0036] The antioxidant is exemplified by antioxidant 168;

[0037] The heat-resistant agent is exemplified by magnesium oxide; Specific embodiments

[0039] Example 1

[0040] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 80 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 8 parts of clay; 1 part of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0041] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0042] Example 2

[0043] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 82 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 10 parts of clay; 1.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0044] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0045] Example 3

[0046] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 84 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 12 parts of clay; 2 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0047] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0048] Example 4

[0049] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 86 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 15 parts of clay; 3 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0050] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0051] Example 5

[0052] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 88 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 10 parts of clay; 1.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0053] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0054] Example 6

[0055] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 90 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 8 parts of clay; 1 part of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0056] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0057] Comparative Example 1

[0058] This comparative example is based on Example 2, except that clay is replaced with polyethylene glycol, as follows.

[0059] This comparative example is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 82 parts of thermoplastic polyurethane; 18 parts of polyethylene glycol; 1.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0060] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them with thermoplastic polyurethane, polyethylene glycol and silane coupling agent to obtain mixed material; extrude and granulate them through an extruder to obtain wear-resistant thermoplastic elastomer material.

[0061] Comparative Example 2

[0062] This comparative example is based on Example 2, except that polyethylene glycol is replaced by clay, as follows.

[0063] This comparative example is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 82 parts of thermoplastic polyurethane; 18 parts of clay; 1.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0064] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them with thermoplastic polyurethane, clay and silane coupling agent to obtain mixed material; extrude and granulate them through an extruder to obtain wear-resistant thermoplastic elastomer material.

[0065] Comparative Example 3

[0066] This comparative example is based on Example 2, except that only polyethylene glycol is added, as follows.

[0067] This comparative example is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 82 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 1.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0068] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them with thermoplastic polyurethane, polyethylene glycol and silane coupling agent to obtain mixed material; extrude and granulate them through an extruder to obtain wear-resistant thermoplastic elastomer material.

[0069] Comparative Example 4

[0070] This comparative example is based on Example 2, except that only clay is added, as shown below.

[0071] This comparative example is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 82 parts of thermoplastic polyurethane; 10 parts of clay; 1.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0072] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them with thermoplastic polyurethane, clay and silane coupling agent to obtain mixed material; extrude and granulate them through an extruder to obtain wear-resistant thermoplastic elastomer material.

[0073] Using the wear-resistant thermoplastic elastomer materials in the above Examples 1 to 6 and Comparative Examples 1 to 4 as raw materials, cable sheaths were prepared, and the performance of the cable sheaths was tested. The results are shown in Table 1.

[0074] Table 1

[0075]

[0076]

[0077] It can be seen from Examples 1 to 6, Comparative Examples 1 to 4 and Table 1 that the tensile strength and elongation at break of the wear-resistant thermoplastic elastomer material prepared by the technical scheme of the present application are significantly improved compared with those of Comparative Examples 1 to 4, indicating that the mechanical properties of the wear-resistant thermoplastic elastomer material of the technical scheme of the present application are better than those of Comparative Examples 1 to 4; and the wear volume is significantly reduced compared with that of Comparative Examples 1 to 3, indicating that the wear resistance of the wear-resistant thermoplastic elastomer material of the technical scheme of the present application is better than that of Comparative Examples 1 to 4.

[0078] The inventors found that the wear-resistant thermoplastic elastomer materials prepared in Examples 1 / 4 / 5 were better than those in other examples, and therefore the following Examples 7 to 14 were prepared to further analyze the effects of the amounts of polyethylene glycol and clay added on the properties of the prepared wear-resistant thermoplastic elastomer materials.

[0079] Examples 7 to 10 are based on Example 1, but the amount of clay added is changed as follows.

[0080] Example 7

[0081] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 80 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 9 parts of clay; 1 part of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0082] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0083] Example 8

[0084] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 80 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 10 parts of clay; 1 part of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0085] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0086] Example 9

[0087] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 80 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 11 parts of clay; 1 part of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0088] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0089] Example 10

[0090] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 80 parts of thermoplastic polyurethane; 5 parts of polyethylene glycol; 12 parts of clay; 1 part of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0091] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0092] The wear-resistant thermoplastic elastomer materials in Examples 7 to 10 above were used as raw materials to prepare cable sheaths, and the performance of the cable sheaths was tested. The results are shown in Table 2.

[0093] Table 2

[0094] Cable sheath Polyethylene glycol clay Weight Ratio Tensile strength / MPa Elongation at break <![CDATA[Wear volume / mm 3 > Example 1 5 8 1:1.6 35.4 413 37 Example 7 8 9 1:1.8 35.6 415 36 Example 8 5 10 1:2.0 35.2 406 39 Example 9 8 11 1:2.2 34.1 395 43 Example 10 5 12 1:2.4 33.7 387 46

[0095] It can be seen from Examples 1, 7 to 10 and Table 2 that in the technical solution of the present application, the weight ratio of polyethylene glycol to clay addition is 1:1.6 to 2.0, and the mechanical properties of the wear-resistant thermoplastic elastomer material prepared are relatively better, the tensile strength can reach more than 35 MPa, the elongation at break reaches more than 400%, the wear resistance is also significantly improved, and the wear volume is reduced to 40 mm 3 the following.

[0096] The following Examples 11 to 14 are based on Example 6, but the amount of clay added is changed as follows.

[0097] Embodiment 11

[0098] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 90 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 12 parts of clay; 2 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0099] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0100] Example 12

[0101] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 90 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 13 parts of clay; 2 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0102] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0103] Embodiment 13

[0104] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 90 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 14 parts of clay; 2.5 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0105] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0106] Embodiment 14

[0107] This embodiment is used to prepare a wear-resistant thermoplastic elastomer material, which is prepared from the following components in parts by weight: 90 parts of thermoplastic polyurethane; 8 parts of polyethylene glycol; 15 parts of clay; 3 parts of silane coupling agent; 1 part of ultraviolet absorber; 4 parts of light stabilizer; 5 parts of antioxidant; and 3 parts of heat-resistant agent.

[0108] Preparation method: prepare ultraviolet absorber, light stabilizer, heat-resistant agent and antioxidant additive respectively; stir and mix them evenly with thermoplastic polyurethane, clay, polyethylene glycol and silane coupling agent to obtain a mixed material; extrude and granulate them through an extruder to obtain a wear-resistant thermoplastic elastomer material.

[0109] The wear-resistant thermoplastic elastomer materials in Examples 11 to 14 above were used as raw materials to prepare cable sheaths, and the performance of the cable sheaths was tested. The results are shown in Table 3.

[0110] Table 3

[0111] Cable sheath Polyethylene glycol clay Weight Ratio Tensile strength / MPa Elongation at break <![CDATA[Wear volume / mm 3 > Example 6 5 8 1:1.0 34.3 396 40 Embodiment 11 8 12 1:1.2 34.8 384 42 Example 12 5 13 1:1.3 35.3 401 38 Embodiment 13 8 14 1:1.4 35.6 407 35 Embodiment 14 5 15 1:1.5 35.2 403 37

[0112] It can be seen from Examples 6, 11 to 14 and Table 3 that in the technical solution of the present application, the weight ratio of polyethylene glycol to clay addition is 1:1.6 to 1.9, and the mechanical properties of the wear-resistant thermoplastic elastomer material prepared are relatively better, the tensile strength can reach more than 35 MPa, the elongation at break reaches more than 400%, the wear resistance is also significantly improved, and the wear volume is reduced to 40 mm 3 the following.

[0113] Comprehensive examples 1 to 14, Tables 1 to 3 show that in the technical solution of the present application, the weight ratio of polyethylene glycol to clay addition is 1:1.6 to 2.0, and the mechanical properties of the wear-resistant thermoplastic elastomer material prepared are relatively better, the tensile strength can reach more than 35MPa, the elongation at break can reach more than 400%, the wear resistance is also significantly improved, and the wear volume is reduced to 40mm 3 the following.

[0114] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wear-resistant thermoplastic elastomer material, characterized in that: Prepared from the following components by weight: 80-90 parts of thermoplastic polyurethane; 5-8 parts of polyethylene glycol; 8-15 parts of clay; 1 to 3 parts of silane coupling agent; 12 to 18 parts of additives.

2. The wear-resistant thermoplastic elastomer material according to claim 1, characterized in that: The particle size of the clay is no more than 0.2 μm.

3. The wear-resistant thermoplastic elastomer material according to claim 1, characterized in that: The weight ratio of the polyethylene glycol to the clay is 1:1.6-2.

0.

4. The wear-resistant thermoplastic elastomer material according to claim 1, characterized in that: The clay is one or more of montmorillonite, illite and kaolinite.

5. The wear-resistant thermoplastic elastomer material according to claim 1, characterized in that: The additives include, by weight: 1 to 2 parts of ultraviolet absorber, 3 to 5 parts of light stabilizer, 3 to 8 parts of antioxidant, and 2 to 5 parts of heat-resistant agent.

6. The wear-resistant thermoplastic elastomer material according to claim 1, characterized in that: The silane coupling agent is KH-550; And / or, the light stabilizer is a hindered amine light stabilizer; And / or, the ultraviolet absorber is one or more combinations of UV234, UV326 and UV328; And / or, the antioxidant is a combination of one or more of antioxidant 168, antioxidant 1135 and antioxidant 1010; And / or, the heat-resistant agent is one or more combinations of calcium oxide, magnesium oxide and aluminum oxide.

7. A method for preparing the wear-resistant thermoplastic elastomer material according to claim 1, characterized in that: The following steps are involved: S1. Preparation of additives respectively preparing ultraviolet absorbers, light stabilizers, heat stabilizers and antioxidant additives; S2. Material mixing The prepared ultraviolet absorber, light stabilizer, heat-resistant agent, antioxidant additive, thermoplastic polyurethane, clay, polyethylene glycol, and silane coupling agent are stirred and mixed uniformly to obtain a mixed material; S3, extrusion granulation The mixed material is extruded and granulated through an extruder to obtain a wear-resistant thermoplastic elastomer material.

8. Use of the wear-resistant thermoplastic elastomer material according to claim 1 in the field of cable sheaths.

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