Carbon fiber composite reinforced coverings based on dip coating processes and ultra-high strength conveyor belts

Abstract

The application discloses a carbon fiber composite reinforced cover layer based on a dip coating process, which comprises a base cover rubber layer and a carbon fiber composite layer, wherein the carbon fiber composite layer is obtained by dipping carbon fiber composite cloth in glue, air-drying, and vulcanization; the carbon fiber composite layer is adhered to the upper surface of the base cover rubber layer through vulcanization; and the base cover rubber layer comprises the following raw material components: 95 parts of natural rubber, 15 parts of butadiene rubber, 3-5 parts of nano zinc oxide, 1-3 parts of stearic acid, 1-2 parts of solid malon resin, 1-2 parts of antioxidant 4010NA, 1-2 parts of antioxidant BW-60, 1-2 parts of heat-resistant antioxidant RF, 1-2 parts of antioxidant RD, 1-2 parts of microcrystalline wax, 0.5-0.8 parts of anti-scorching agent CTP, 45-50 parts of carbon black N220, 1-3 parts of aromatic oil, 1-3 parts of sulfur, and 1-2 parts of accelerator CBS. The application further discloses an ultrahigh-strength conveying belt, wherein the upper cover rubber layer of the ultrahigh-strength conveying belt adopts the carbon fiber composite reinforced cover layer based on the dip coating process, and the ultrahigh-strength conveying belt has the performance of ultrahigh strength.

Description

Technical Field

[0001] This invention relates to the field of rubber conveyor belt manufacturing technology, specifically to carbon fiber composite reinforced cover layer and ultra-high strength conveyor belt based on dip coating process. Background Technology

[0002] Conveyor belts are widely used in various fields such as coal mines, power plants, cement plants, steel mills, chemicals, and ports. They are an important component of belt conveyors, serving to carry and transport materials. Due to the different types of materials, large conveying volumes, and significant drops, higher requirements are placed on the impact resistance, tear resistance, and strength of conveyor belts. Rubber conveyor belts generally consist of a skeleton layer, an upper cover rubber layer located on both sides of the skeleton layer, and a lower cover rubber layer. The cover layer located on the bearing surface is the upper cover rubber layer. During material conveying, the upper cover rubber layer directly contacts the material, and its performance directly affects the service life of the conveyor belt.

[0003] Carbon fiber is a popular emerging material with advantages such as high strength, high modulus, corrosion resistance, and good electrical conductivity. Using carbon fiber to modify and strengthen rubber conveyor belts is an ideal approach. However, its weak impact resistance and high production cost limit its industrial application. Aramid fiber has good ductility, wear resistance, and relatively low cost, making it widely used in industry. However, its strength is far inferior to that of carbon fiber. If the strengths of both materials could be combined to compensate for their weaknesses, it is hoped that the performance of rubber conveyor belts could be significantly improved, leading to wider adoption in the industry. Summary of the Invention

[0004] To overcome the shortcomings of the prior art, the present invention provides a carbon fiber composite reinforced cover layer based on dip coating process. This cover layer has a carbon fiber composite layer disposed on the upper surface of the base cover adhesive layer, which greatly improves the mechanical properties of the cover layer. At the same time, the present invention also provides an ultra-high strength conveyor belt, the upper cover adhesive layer of which adopts the carbon fiber composite reinforced cover layer based on dip coating process of the present invention.

[0005] For the cover layer, the present invention provides the following technical solution:

[0006] A carbon fiber composite reinforced cover layer based on a dip-coating process is provided. The cover layer includes a base cover adhesive layer and a carbon fiber composite layer. The carbon fiber composite layer is obtained by impregnating carbon fiber composite fabric with adhesive, air-drying it to obtain a carbon fiber composite impregnated fabric, and then vulcanizing it. The carbon fiber composite layer is bonded to the upper surface of the base cover adhesive layer by vulcanization. The raw material components of the base cover adhesive layer include: 95 parts natural rubber, 15 parts butadiene rubber, 3-5 parts nano zinc oxide, 1-3 parts stearic acid, 1-2 parts coumarin resin, 1-2 parts antioxidant 4010NA, 1-2 parts antioxidant BW-60, 1-2 parts heat oxidation resistant agent RF, 1-2 parts antioxidant RD, 1-2 parts microcrystalline wax, 0.5-0.8 parts scorch inhibitor CTP, 45-50 parts carbon black N220, 1-3 parts aromatic oil, 1-3 parts sulfur, and 1-2 parts accelerator CBS.

[0007] Furthermore, as an optimization, in the aforementioned carbon fiber composite reinforced cover layer based on dip coating process, the raw material components of the base cover adhesive layer include: 95 parts natural rubber, 15 parts butadiene rubber, 4 parts nano zinc oxide, 2 parts stearic acid, 1.5 parts coumarin resin, 1 part antioxidant 4010NA, 1 part antioxidant BW-60, 1 part heat oxidation resistant agent RF, 1 part antioxidant RD, 1.5 parts microcrystalline wax, 0.6 parts scorch resistant agent CTP, 48 parts carbon black N220, 2 parts aromatic oil, 2 parts sulfur, and 1.5 parts accelerator CBS.

[0008] Furthermore, as an optimization, in the aforementioned carbon fiber composite reinforced cover layer based on dip coating process, the carbon fiber composite fabric is woven from carbon fiber cords and aramid fiber cords, with multi-strand combination cords of carbon fiber and aramid fiber used in the warp direction and aramid fiber cords used in the weft direction.

[0009] Furthermore, as an optimization, in the aforementioned carbon fiber composite reinforced cover layer based on dip coating process, the radial density of the carbon fiber composite fabric is 45±5 strands / 10cm, the weft density is 50±5 strands / 10cm, and the thickness is 0.6mm±0.05.

[0010] Furthermore, as an optimization, in the aforementioned carbon fiber composite reinforced cover layer based on dip coating process, the raw material components of the dip coating solution include, by weight: 80-90 parts of styrene-butadiene rubber latex, 8-11 parts of phenolic resin, 15-20 parts of silica, 4-6 parts of rosin, 1-2 parts of antioxidant MB, 3-5 parts of adhesive RC, 0.4-0.7 parts of accelerator CBS, and 1-2 parts of sulfur.

[0011] Furthermore, as an optimization, in the aforementioned carbon fiber composite reinforced cover layer based on dip coating process, the raw material components of the dip coating liquid include, by weight: 83 parts styrene-butadiene rubber latex, 10 parts phenolic resin, 17 parts silica, 5 parts rosin, 1 part antioxidant MB, 4 parts adhesive RC, 0.6 parts accelerator CBS, and 1 part sulfur.

[0012] Furthermore, as an optimized solution, in the aforementioned carbon fiber composite reinforced cover layer based on dip-coating process, the carbon fiber composite reinforced cover layer is prepared by the following steps:

[0013] S1. Put natural rubber and butadiene rubber into a mixer and plasticize for 100-120 seconds. Then add nano zinc oxide, stearic acid, coumarin resin, antioxidant, heat oxidation resistant agent, microcrystalline wax, anti-scorching agent, carbon black and aromatic oil and mix for 2-3 minutes. Control the temperature to 110-120℃ and discharge the rubber. Sheet and cool for more than 12 hours to obtain compound A.

[0014] S2, mix compound A, accelerator CBS and sulfur, feed into open mill, mix and sheet, control the thickness 2.0±0.2mm, cool for 24 hours to obtain base cover rubber compound, for later use.

[0015] S3, mix styrene-butadiene rubber latex, phenolic resin, silica, rosin, antioxidant MB, adhesive RC, accelerator CBS, and sulfur, stir evenly to obtain impregnation solution;

[0016] S4. Immerse the carbon fiber composite fabric in the impregnation solution, remove it after impregnation and air dry it to obtain the carbon fiber composite impregnated fabric for later use.

[0017] S5, the basic cover adhesive layer compound obtained in step S2 and the carbon fiber composite layer impregnated cloth obtained in step S4 are bonded together by cold pressing to form a whole, and then vulcanized to obtain the carbon fiber composite reinforced cover layer.

[0018] Compared with the prior art, the cover layer of the present invention achieves the following beneficial technical effects:

[0019] (1) Good mechanical properties; This invention uses natural rubber and butadiene rubber as raw materials, and adds specific compounding agents to make a base cover rubber layer, which has good mechanical strength; A carbon fiber composite layer is bonded to the surface of the base cover rubber layer. The carbon fiber composite layer is woven together by carbon fiber rope and aramid fiber rope. Carbon fiber material has the advantages of high strength and high modulus, and aramid fiber has good extensibility. The two are woven together. The warp direction uses multi-strand combination rope of carbon fiber and aramid fiber, and the weft direction uses aramid fiber rope, so that the carbon fiber composite layer has good tear resistance and impact resistance while having high strength, which further improves the mechanical properties of the cover rubber layer.

[0020] (2) Production costs are controllable; the carbon fiber and aramid fiber in this invention are mixed and woven into carbon fiber composite fabric at a specific weaving density. The amount of carbon fiber material used is small, which not only ensures the high strength performance of the covering layer, but also effectively controls the production cost.

[0021] (3) The carbon fiber composite layer is firmly bonded to the base cover adhesive layer; the carbon fiber composite layer of the present invention adopts an impregnation process and uses a specific formula of impregnation liquid, which increases the adhesive performance of the carbon fiber composite layer, making it firmly bonded to the base cover adhesive layer and reducing the possibility of cracking and delamination.

[0022] For conveyor belts, the present invention provides the following technical solution:

[0023] The ultra-high strength conveyor belt includes a skeleton layer, and an upper cover adhesive layer and a lower cover adhesive layer respectively disposed on both sides of the skeleton layer. The upper cover adhesive layer adopts the aforementioned carbon fiber composite reinforced cover layer based on the dip coating process.

[0024] Compared with the prior art, the conveyor belt of the present invention adopts the aforementioned carbon fiber composite reinforced cover layer based on dip coating process, which has ultra-high mechanical properties, can adapt to the high-intensity transportation work of conveyor belts, increases service life, and effectively controls costs, which is conducive to industrialization. Attached Figure Description

[0025] Figure 1 This is a cross-sectional view of the rubber conveyor belt according to an embodiment of the present invention;

[0026] Explanation of reference numerals in the attached drawings: 1-Upper cover adhesive layer; 101-Carbon fiber composite layer; 102-Base cover adhesive layer; 2-Skeleton layer; 3-Lower cover adhesive layer. Detailed Implementation

[0027] The technical solution of the present invention will be further described in detail below through specific embodiments. In the present invention, unless otherwise specified, the raw materials and equipment used can be purchased from the market or are commonly used in the art. Unless otherwise specified, the methods and equipment in the following embodiments are conventional methods and equipment in the art.

[0028] Example 1

[0029] In this embodiment, the carbon fiber composite reinforced cover layer is based on a dip-coating process. The cover layer includes a base cover adhesive layer 102 and a carbon fiber composite layer 101. The carbon fiber composite layer 101 is obtained by impregnating carbon fiber composite fabric with adhesive, air-drying it, and then vulcanizing it. The carbon fiber composite layer 101 is bonded to the upper surface of the base cover adhesive layer 102 by vulcanization. The raw material components of the base cover adhesive layer include: 95 parts of natural rubber, 15 parts of butadiene rubber, 4 parts of nano zinc oxide, 2 parts of stearic acid, 1.5 parts of coumarin resin, 1 part of antioxidant 4010NA, 1 part of antioxidant BW-60, 1 part of heat oxidation resistant agent RF, 1 part of antioxidant RD, 1.5 parts of microcrystalline wax, 0.6 parts of scorch resistant agent CTP, 48 parts of carbon black N220, 2 parts of aromatic oil, 2 parts of sulfur, and 1.5 parts of accelerator CBS.

[0030] In this embodiment, the carbon fiber composite fabric is woven from carbon fiber cords and aramid fiber cords. The warp direction uses multi-strand combination cords of carbon fiber and aramid fiber, and the weft direction uses aramid fiber cords. The radial density is 45 cords / 10cm, the weft density is 50 cords / 10cm, and the thickness is 0.6mm.

[0031] In this embodiment, the raw material components of the impregnation solution include, by weight: 83 parts of styrene-butadiene rubber latex, 10 parts of phenolic resin, 17 parts of silica, 5 parts of rosin, 1 part of antioxidant MB, 4 parts of adhesive RC, 0.6 parts of accelerator CBS, and 1 part of sulfur.

[0032] In this embodiment, the carbon fiber composite reinforced cover layer is prepared by the following steps:

[0033] S1. Natural rubber and butadiene rubber are put into a mixer and plasticized for 110 seconds. Then, nano zinc oxide, stearic acid, quorum resin, antioxidant, heat antioxidant, microcrystalline wax, anti-scorching agent, carbon black and aromatic oil are added and mixed for 3 minutes. When the temperature is controlled to 110℃, the rubber is discharged and the sheet is cooled for more than 12 hours to obtain compound A.

[0034] S2, mix compound A, accelerator CBS and sulfur, feed into open mill, mix and sheet, control the thickness to 2.0mm, cool for 24 hours to obtain base cover rubber compound, for later use.

[0035] S3, mix styrene-butadiene rubber latex, phenolic resin, silica, rosin, antioxidant MB, adhesive RC, accelerator CBS, and sulfur, stir evenly to obtain impregnation solution;

[0036] S4. Immerse the carbon fiber composite fabric in the impregnation solution, remove it after impregnation and air dry it to obtain the carbon fiber composite impregnated fabric for later use.

[0037] S5, the basic cover adhesive layer compound obtained in step S2 and the carbon fiber composite layer impregnated cloth obtained in step S4 are bonded together by cold pressing to form a whole, and then vulcanized to obtain the carbon fiber composite reinforced cover layer.

[0038] In this embodiment, the upper cover adhesive layer of the ultra-high strength conveyor belt adopts the carbon fiber composite reinforced cover layer based on the above-mentioned dip coating process.

[0039] Example 2

[0040] In this embodiment: a carbon fiber composite reinforced cover layer based on a dip-coating process, characterized in that the cover layer includes a base cover adhesive layer 102 and a carbon fiber composite layer 101. The carbon fiber composite layer 101 is obtained by impregnating carbon fiber composite fabric with adhesive and then air-drying it to obtain a carbon fiber composite impregnated fabric, followed by vulcanization. The carbon fiber composite layer 101 is bonded to the upper surface of the base cover adhesive layer 102 by vulcanization. The raw material components of the base cover adhesive layer include: 95 parts of natural rubber, 15 parts of butadiene rubber, 3 parts of nano zinc oxide, 1 part of stearic acid, 1 part of coumarin resin, 1 part of antioxidant 4010NA, 1 part of antioxidant BW-60, 1 part of heat oxidation resistant agent RF, 1 part of antioxidant RD, 1 part of microcrystalline wax, 0.5 parts of scorch resistant agent CTP, 45 parts of carbon black N220, 1 part of aromatic oil, 1 part of sulfur, and 1 part of accelerator CBS.

[0041] In this embodiment, the carbon fiber composite fabric is woven from carbon fiber cords and aramid fiber cords. The warp direction uses multi-strand combination cords of carbon fiber and aramid fiber, and the weft direction uses aramid fiber cords. The radial density is 45 cords / 10cm, the weft density is 50 cords / 10cm, and the thickness is 0.6mm.

[0042] In this embodiment, the raw material components of the impregnation solution include, by weight: 80 parts of styrene-butadiene rubber latex, 8 parts of phenolic resin, 15 parts of silica, 4 parts of rosin, 1 part of antioxidant MB, 3 parts of adhesive RC, 0.4 parts of accelerator CBS, and 1 part of sulfur.

[0043] In this embodiment, the carbon fiber composite reinforced cover layer is prepared by the following steps:

[0044] S1. Natural rubber and butadiene rubber are put into a mixer and plasticized for 110 seconds. Then, nano zinc oxide, stearic acid, quorum resin, antioxidant, heat antioxidant, microcrystalline wax, anti-scorching agent, carbon black and aromatic oil are added and mixed for 3 minutes. When the temperature is controlled to 110℃, the rubber is discharged and the sheet is cooled for more than 12 hours to obtain compound A.

[0045] S2, mix compound A, accelerator CBS and sulfur, feed into open mill, mix and sheet, control the thickness to 2.0mm, cool for 24 hours to obtain base cover rubber compound, for later use.

[0046] S3, mix styrene-butadiene rubber latex, phenolic resin, silica, rosin, antioxidant MB, adhesive RC, accelerator CBS, and sulfur, stir evenly to obtain impregnation solution;

[0047] S4. Immerse the carbon fiber composite fabric in the impregnation solution, remove it after impregnation and air dry it to obtain the carbon fiber composite impregnated fabric for later use.

[0048] S5, the basic cover adhesive layer compound obtained in step S2 and the carbon fiber composite layer impregnated cloth obtained in step S4 are bonded together by cold pressing to form a whole, and then vulcanized to obtain the carbon fiber composite reinforced cover layer.

[0049] In this embodiment, the upper cover adhesive layer of the ultra-high strength conveyor belt adopts the carbon fiber composite reinforced cover layer based on the above-mentioned dip coating process.

[0050] Example 3

[0051] In this embodiment: a carbon fiber composite reinforced cover layer based on a dip-coating process, characterized in that the cover layer includes a base cover adhesive layer 102 and a carbon fiber composite layer 101. The carbon fiber composite layer 101 is obtained by impregnating carbon fiber composite fabric with adhesive and then air-drying it to obtain a carbon fiber composite impregnated fabric, followed by vulcanization. The carbon fiber composite layer 101 is bonded to the upper surface of the base cover adhesive layer 102 by vulcanization. The raw material components of the base cover adhesive layer include: 95 parts of natural rubber, 15 parts of butadiene rubber, 5 parts of nano zinc oxide, 3 parts of stearic acid, 2 parts of coumarin resin, 2 parts of antioxidant 4010NA, 2 parts of antioxidant BW-60, 2 parts of heat oxidation resistant agent RF, 2 parts of antioxidant RD, 2 parts of microcrystalline wax, 0.8 parts of anti-scorching agent CTP, 50 parts of carbon black N220, 3 parts of aromatic oil, 3 parts of sulfur, and 2 parts of accelerator CBS.

[0052] In this embodiment, the carbon fiber composite fabric is woven from carbon fiber cords and aramid fiber cords. The warp direction uses multi-strand combination cords of carbon fiber and aramid fiber, and the weft direction uses aramid fiber cords. The radial density of the carbon fiber composite fabric is 45 cords / 10cm, the weft density is 50 cords / 10cm, and the thickness is 0.6mm.

[0053] In this embodiment, the raw material components of the impregnation solution include, by weight: 90 parts of styrene-butadiene rubber latex, 11 parts of phenolic resin, 20 parts of silica, 6 parts of rosin, 2 parts of antioxidant MB, 5 parts of adhesive RC, 0.7 parts of accelerator CBS, and 2 parts of sulfur.

[0054] In this embodiment, the carbon fiber composite reinforced cover layer is prepared by the following steps:

[0055] S1. Natural rubber and butadiene rubber are put into a mixer and plasticized for 110 seconds. Then, nano zinc oxide, stearic acid, quorum resin, antioxidant, heat antioxidant, microcrystalline wax, anti-scorching agent, carbon black and aromatic oil are added and mixed for 3 minutes. When the temperature is controlled to 110℃, the rubber is discharged and the sheet is cooled for more than 12 hours to obtain compound A.

[0056] S2, mix compound A, accelerator CBS and sulfur, feed into open mill, mix and sheet, control the thickness to 2.0mm, cool for 24 hours to obtain base cover rubber compound, for later use.

[0057] S3, mix styrene-butadiene rubber latex, phenolic resin, silica, rosin, antioxidant MB, adhesive RC, accelerator CBS, and sulfur, stir evenly to obtain impregnation solution;

[0058] S4. Immerse the carbon fiber composite fabric in the impregnation solution, remove it after impregnation and air dry it to obtain the carbon fiber composite impregnated fabric for later use.

[0059] S5, the basic cover adhesive layer compound obtained in step S2 and the carbon fiber composite layer impregnated cloth obtained in step S4 are bonded together by cold pressing to form a whole, and then vulcanized to obtain the carbon fiber composite reinforced cover layer.

[0060] In this embodiment, the upper cover adhesive layer of the ultra-high strength conveyor belt adopts the carbon fiber composite reinforced cover layer based on the above-mentioned dip coating process.

[0061] The carbon fiber and aramid fiber multi-strand composite cord described in all embodiments of this application is made by twisting one strand of carbon fiber and one strand of aramid fiber; the carbon fiber specification is 12K and the aramid fiber specification is 400D.

[0062] Comparative Example 1

[0063] In this comparative example, the raw material components of the conveyor belt cover layer include: 95 parts natural rubber, 15 parts butadiene rubber, 4 parts nano zinc oxide, 2 parts stearic acid, 1.5 parts coumarin resin, 1 part antioxidant 4010NA, 1 part antioxidant BW-60, 1 part heat and oxidation resistant agent RF, 1 part antioxidant RD, 1.5 parts microcrystalline wax, 0.6 parts anti-scorching agent CTP, 48 parts carbon black N220, 2 parts aromatic oil, 2 parts sulfur, and 1.5 parts accelerator CBS.

[0064] In this comparative example, the covering layer is prepared by the following steps:

[0065] S1. Natural rubber and butadiene rubber are put into a mixer and plasticized for 110 seconds. Then, nano zinc oxide, stearic acid, quorum resin, antioxidant, heat antioxidant, microcrystalline wax, anti-scorching agent, carbon black and aromatic oil are added and mixed for 3 minutes. When the temperature is controlled to 110℃, the rubber is discharged and the sheet is cooled for more than 12 hours to obtain compound A.

[0066] S2, mix compound A, accelerator CBS and sulfur, feed into open mill, mix and produce sheet, control the thickness to 2.0 mm, cool for 24 hours, vulcanize to obtain the coating layer.

[0067] Experiments show that the composite coatings obtained in Examples 1-3 can all achieve the objectives of this invention. Relatively speaking, Example 1 is the optimal embodiment, and the carbon fiber composite reinforced coating based on the dip-coating process obtained therefrom has the best mechanical properties. The upper cover adhesive layer of the ultra-high strength conveyor belt adopts the above-mentioned carbon fiber composite reinforced coating based on the dip-coating process, which has ultra-high strength properties and increases service life. The specific performance indicators of Examples 1-3 and Comparative Example 1 are shown in the table below.

[0068] The tensile strength of the embodiments in this application was tested according to GB / T 33525-2017; the adhesive strength was determined according to HG / T 3052-2022.

[0069] Overlay performance test results:

[0070]

[0071] The foregoing general description of the invention and its specific embodiments should not be construed as limiting the technical solution of the invention. Those skilled in the art, based on the disclosure of this application, can add, reduce, or combine the disclosed technical features in the foregoing general description and / or embodiments without departing from the constituent elements of the invention, to form other technical solutions within the scope of protection of this application.

Claims

1. An ultra-high strength conveyor belt, comprising a skeleton layer (2), and an upper cover rubber layer (1) and a lower cover rubber layer (3) disposed on both sides of the skeleton layer; characterized in that: The upper cover adhesive layer (1) is a carbon fiber composite reinforced cover layer based on dip coating process, including a basic cover adhesive layer (102) and a carbon fiber composite layer (101). The carbon fiber composite layer (101) is obtained by impregnating carbon fiber composite cloth with adhesive and then air drying it, and then vulcanizing it. The carbon fiber composite layer (101) is bonded to the upper surface of the base cover adhesive layer (102) by vulcanization; The basic cover adhesive layer raw material components include: 95 parts natural rubber, 15 parts butadiene rubber, 3-5 parts nano zinc oxide, 1-3 parts stearic acid, 1-2 parts coumarin resin, 1-2 parts antioxidant 4010NA, 1-2 parts antioxidant BW-60, 1-2 parts heat and oxidation resistant agent RF, 1-2 parts antioxidant RD, 1-2 parts microcrystalline wax, 0.5-0.8 parts scorch resistant agent CTP, 45-50 parts carbon black N220, 1-3 parts aromatic oil, 1-3 parts sulfur, and 1-2 parts accelerator CBS; The carbon fiber composite fabric is woven from carbon fiber cords and aramid fiber cords, with multi-strand combination cords of carbon fiber and aramid fiber used in the warp direction and aramid fiber cords used in the weft direction. The carbon fiber composite fabric has a radial density of 45±5 fibers / 10cm, a weft density of 50±5 fibers / 10cm, and a thickness of 0.6mm±0.05mm. The raw material components of the impregnation solution, by weight, include: 80-90 parts of styrene-butadiene rubber latex, 8-11 parts of phenolic resin, 15-20 parts of silica, 4-6 parts of rosin, 1-2 parts of antioxidant MB, 3-5 parts of adhesive RC, 0.4-0.7 parts of accelerator CBS, and 1-2 parts of sulfur.

2. The ultra-high strength conveyor belt according to claim 1, characterized in that, The basic cover adhesive layer raw material components include: 95 parts natural rubber, 15 parts butadiene rubber, 4 parts nano zinc oxide, 2 parts stearic acid, 1.5 parts coumarin resin, 1 part antioxidant 4010NA, 1 part antioxidant BW-60, 1 part heat oxidation resistant agent RF, 1 part antioxidant RD, 1.5 parts microcrystalline wax, 0.6 parts anti-scorching agent CTP, 48 parts carbon black N220, 2 parts aromatic oil, 2 parts sulfur, and 1.5 parts accelerator CBS.

3. The ultra-high strength conveyor belt according to claim 1, characterized in that, The raw material components of the impregnation solution, by weight, include: 83 parts styrene-butadiene rubber latex, 10 parts phenolic resin, 17 parts silica, 5 parts rosin, 1 part antioxidant MB, 4 parts adhesive RC, 0.6 parts accelerator CBS, and 1 part sulfur.

4. The ultra-high strength conveyor belt according to any one of claims 1-3, characterized in that, The carbon fiber composite reinforced capping layer is prepared by the following steps: S1. Put natural rubber and butadiene rubber into a mixer and plasticize for 100-120 seconds. Then add nano zinc oxide, stearic acid, coumarin resin, antioxidant, heat oxidation resistant agent, microcrystalline wax, anti-scorching agent, carbon black and aromatic oil and mix for 2-3 minutes. Control the temperature to 110-120℃ and discharge the rubber. Sheet and cool for more than 12 hours to obtain compound A. S2, mix compound A, accelerator CBS and sulfur, feed into open mill, mix and sheet, control the thickness 2.0±0.2mm, cool for 24 hours to obtain base cover rubber compound, for later use. S3, mix styrene-butadiene rubber latex, phenolic resin, silica, rosin, antioxidant MB, adhesive RC, accelerator CBS, and sulfur, stir evenly to obtain impregnation solution; S4. Immerse the carbon fiber composite fabric in the impregnation solution, remove it after impregnation and air dry it to obtain the carbon fiber composite impregnated fabric for later use. S5, the basic cover adhesive layer compound obtained in step S2 and the carbon fiber composite layer impregnated cloth obtained in step S4 are bonded together by cold pressing to form a whole, and then vulcanized to obtain the carbon fiber composite reinforced cover layer.

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