Rubber material, preparation method thereof and application of rubber material in Bajin rubber mat

Abstract

The invention belongs to the technical field of high polymer materials, and particularly relates to a rubber material, a preparation method thereof and application of the rubber material in a Bajin rubber mat. The rubber material provided by the invention is prepared from the following raw materials: 100 parts of a rubber main body, 1-3 parts of asphalt, 15-40 parts of zinc oxide, 1-3 parts of stearic acid, 4-6 parts of an anti-aging agent, 4-6 parts of a softening agent, 80-120 parts of reinforcing filler, 10-35 parts of heat-resistant filler, 1-3 parts of a homogenizing agent, 1-4 parts of magnesium oxide, 2-5 parts of an accelerant, 0.1-1 part of an anti-reversion agent and 0.1-0.8 part of a vulcanizing agent. The reinforcing filler comprises one or more of carbon black, carbon fibers, carbon nanotubes and graphene; the heat-resistant filler comprises one or more of asbestos powder, argil and calcium carbonate. The rubber material provided by the invention has the advantages of excellent high-temperature resistance, durability and long service life, has the characteristics of high hardness, high elasticity and buckling resistance, and has excellent mechanical properties.

Description

Technical Field

[0001] The present invention belongs to the technical field of polymer materials, and particularly relates to a rubber material, a preparation method thereof, and an application in a Bakin rubber pad. Background Art

[0002] Sealing rubber is required in the tire production process. The sealing rubber used in the vulcanization process of the tire bladder is called Bakin rubber. One side of the Bakin rubber is in contact with the superheated water of the vulcanization medium, and the other side is stainless steel metal. The long-term working temperature is as high as 170°C, resulting in a serious decline in the sealing performance of the Bakin rubber during use, and leading to poor appearance quality problems in general tires.

[0003] At present, the improvements in related technologies for Bakin rubber cannot simultaneously take into account heat resistance and aging resistance and good mechanical properties. Summary of the Invention

[0004] The purpose of the present invention is to provide a rubber material, a preparation method thereof, and an application in a Bakin rubber pad. The rubber material provided by the present invention has both heat resistance and aging resistance and good mechanical properties. When used as a Bakin rubber pad in a high-temperature environment, it has good service performance.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] The present invention provides a rubber material, which comprises the following raw materials in parts by mass for preparation:

[0007] 100 parts of rubber matrix, 1-3 parts of asphalt, 15-40 parts of zinc oxide, 1-3 parts of stearic acid, 4-6 parts of antioxidant, 4-6 parts of softening agent, 80-120 parts of reinforcing filler, 10-35 parts of heat-resistant filler, 1-3 parts of homogenizer, 1-4 parts of magnesium oxide, 2-5 parts of accelerator, 0.1-1 part of anti-vulcanization reversion agent, 0.1-0.8 part of vulcanizing agent;

[0008] The reinforcing filler includes one or more of carbon black, carbon fiber, carbon nanotube and graphene;

[0009] The heat-resistant filler includes one or more of asbestos powder, clay and calcium carbonate.

[0010] Preferably, the rubber matrix includes one or more of natural rubber, butyl rubber, chlorinated butyl rubber, brominated butyl rubber, ethylene propylene diene monomer rubber and chloroprene rubber.

[0011] Preferably, the asphalt includes petroleum asphalt and / or coal tar pitch, and the petroleum asphalt includes one or more of No. 10 asphalt, No. 70 asphalt and No. 90 asphalt.

[0012] Preferably, the anti-aging agent includes one or more of anti-aging agent RD, anti-aging agent IPPD, anti-aging agent 4020, anti-aging agent 4010NA, anti-aging agent MB, anti-aging agent MBZ, anti-aging agent NBC, anti-aging agent 2246, anti-aging agent 2246S, anti-aging agent 246, anti-aging agent SP, anti-aging agent 6DDP, anti-aging agent UOP588, anti-aging agent UOP788, anti-aging agent DD, anti-aging agent AW, and anti-aging agent D.

[0013] Preferably, the softening agent includes one or more of aromatic oil, pine tar, and dioctyl phthalate.

[0014] Preferably, the accelerator includes one or more of accelerator MBT, accelerator TMTD, accelerator NOBS, and accelerator MBS.

[0015] Preferably, the vulcanizing agent includes sulfur and / or peroxide vulcanizing agent.

[0016] Preferably, the homogenizer is 40MSF; the anti-reversion agent is WK-901.

[0017] The present invention provides a method for preparing the rubber material described in the above technical solution, including the following steps:

[0018] Mix the rubber matrix, asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant filler, reinforcing filler, softening agent, anti-aging agent, and homogenizer in a mixer to obtain a mixed material;

[0019] Mix the mixed material, accelerator, vulcanizing agent, and anti-reversion agent to obtain a mixed rubber;

[0020] Vulcanize the mixed rubber to obtain the rubber material.

[0021] The present invention provides the application of the rubber material described in the above technical solution or the rubber material prepared by the preparation method described in the above technical solution in the Bakelite rubber pad.

[0022] The present invention provides a rubber material, which comprises the following raw materials in parts by mass for preparation: 100 parts of a rubber matrix, 1 - 3 parts of asphalt, 15 - 40 parts of zinc oxide, 1 - 3 parts of stearic acid, 4 - 6 parts of an antioxidant, 4 - 6 parts of a softening agent, 80 - 120 parts of a reinforcing filler, 10 - 35 parts of a heat-resistant filler, 1 - 3 parts of a homogenizer, 1 - 4 parts of magnesium oxide, 2 - 5 parts of an accelerator, 0.1 - 1 part of an anti-vulcanization reversion agent, and 0.1 - 0.8 part of a vulcanizing agent; the reinforcing filler includes one or more of carbon black, carbon fiber, carbon nanotube, and graphene; the heat-resistant filler includes one or more of asbestos powder, clay, and calcium carbonate. By reasonably selecting the types of the heat-resistant filler and the reinforcing filler, the present invention realizes the simultaneous improvement of the high-temperature resistance and mechanical strength of the rubber material. Meanwhile, through the homogenizer, the heat-resistant filler and the reinforcing filler can be uniformly dispersed and filled in the rubber material; adding an anti-vulcanization reversion agent to the rubber can slow down the breakage of rubber molecular chains and increase the stability of the rubber; in addition, the low-sulfur and high-accelerator vulcanization system enables the rubber to vulcanize quickly when vulcanized, and the accelerator provides free sulfur at high temperature. Moreover, by adopting the "low-sulfur and high-accelerator" vulcanization system in the rubber material, by reducing the mass fraction of the vulcanizing agent and increasing the mass fraction of the accelerator, it can be realized that the vulcanization degree of the rubber material shows an increasing trend at high temperature. In summary, the rubber material provided by the present invention has the advantages of high high-temperature resistance, durability, and long service life. As can be seen from the results of the examples, the rubber material provided by the present invention can effectively work for more than 500 h at a high temperature of 150 - 170 °C. Meanwhile, the rubber material provided by the present invention has high hardness, high elasticity, and anti-buckling characteristics, and excellent mechanical properties.

[0023] The present invention provides a preparation method of the rubber material as described in the above technical solution, which comprises the following steps: mixing the rubber matrix, asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant filler, reinforcing filler, softening agent, antioxidant, and homogenizer for internal mixing to obtain an internally mixed material; mixing the internally mixed material, accelerator, vulcanizing agent, and anti-vulcanization reversion agent for mixing to obtain a mixed rubber; and vulcanizing the mixed rubber to obtain the rubber material. The preparation method provided by the present invention is simple in operation, and the raw materials are common raw materials, which is suitable for industrial application. Description of the Drawings

[0024] Figure 1 It is an assembly drawing of a Bakin rubber pad;

[0025] Figure 2 It is a cross-sectional view of a Bakin rubber pad;

[0026] In the figure: 1 is a circular hole, and 2 is a Bakin rubber pad. Detailed Embodiments

[0027] The present invention provides a rubber material, which comprises the following raw materials in parts by mass for preparation:

[0028] 100 parts of rubber matrix, 1 - 3 parts of asphalt, 15 - 40 parts of zinc oxide, 1 - 3 parts of stearic acid, 4 - 6 parts of antioxidant, 4 - 6 parts of softening agent, 80 - 120 parts of reinforcing filler, 10 - 35 parts of heat-resistant filler, 1 - 3 parts of homogenizer, 1 - 4 parts of magnesium oxide, 2 - 5 parts of accelerator, 0.1 - 1 part of anti-vulcanization reversion agent, 0.1 - 0.8 part of vulcanizing agent;

[0029] The reinforcing filler includes one or more of carbon black, carbon fiber, carbon nanotube and graphene;

[0030] The heat-resistant filler includes one or more of asbestos powder, clay and calcium carbonate.

[0031] In the present invention, without special instructions, all preparation raw materials / components are commercially available products well-known to those skilled in the art.

[0032] By mass, the rubber material provided by the present invention includes 100 parts of rubber matrix. In the present invention, the rubber matrix preferably includes one or more of natural rubber, butyl rubber, chlorinated butyl rubber, brominated butyl rubber, ethylene propylene diene monomer (EPDM) rubber and chloroprene rubber, and more preferably includes at least natural rubber and chlorinated butyl rubber. The natural rubber can specifically be No. 1 smoked sheet rubber. The rubber matrix most preferably includes natural rubber and chlorinated butyl rubber, or the rubber matrix most preferably includes natural rubber, chlorinated butyl rubber and EPDM rubber. When the rubber matrix includes natural rubber and chlorinated butyl rubber, the mass ratio of natural rubber to chlorinated butyl rubber in the rubber matrix is preferably (4 - 6):(2 - 6), specifically 4:4, 4:2, 4:6, 6:4 or 5:5 in the examples. When the rubber matrix includes natural rubber, chlorinated butyl rubber and EPDM rubber, the mass ratio of natural rubber, chlorinated butyl rubber and EPDM rubber is preferably 4:(2 - 4):(2 - 4), and can be 4:4:2 or 4:2:4 in the examples. The rubber matrix used in the rubber material provided by the present invention is compounded with natural rubber and chlorinated butyl rubber, and has the characteristics of oil resistance, tear resistance and heat-oxygen aging resistance.

[0033] Based on the mass of the rubber matrix, the rubber material provided by the present invention includes 1 - 3 parts of asphalt, preferably 1.5 - 2.5 parts, and can be 2 parts in the examples. In the present invention, the asphalt includes petroleum asphalt and / or coal tar asphalt. The petroleum asphalt preferably includes one or more of No. 10 asphalt, No. 70 asphalt and No. 90 asphalt. By adding asphalt, the present invention improves the high-temperature resistance and mechanical strength of the rubber material.

[0034] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 15 - 40 parts of zinc oxide, preferably 15 - 35 parts, and may be 35 parts, 15 parts or 25 parts in the examples.

[0035] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 1 - 3 parts of stearic acid, preferably 1.5 - 2.5 parts, and may be 2 parts in the examples.

[0036] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 4 - 6 parts of antioxidant, preferably 4 - 5 parts, and may be 4 parts in the examples. In the present invention, the antioxidant preferably comprises one or more of antioxidant RD, antioxidant IPPD, antioxidant 4020, antioxidant 4010NA, antioxidant MB, antioxidant MBZ, antioxidant NBC, antioxidant 2246, antioxidant 2246S, antioxidant 246, antioxidant SP, antioxidant 6DDP, antioxidant UOP588, antioxidant UOP788, antioxidant DD, antioxidant AW and antioxidant D, and more preferably comprises antioxidant RD and / or antioxidant IPPD. When the antioxidant comprises antioxidant RD and antioxidant IPPD, the mass ratio of antioxidant RD to antioxidant IPPD is 2 - 2.5:1 - 1.5, and may be 2.5:1.5 in the examples.

[0037] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 4 - 6 parts of softening agent, preferably 4.5 - 5.5 parts, and may be 5 parts in the examples. In the present invention, the softening agent preferably comprises one or more of aromatic oil, pine tar and dioctyl phthalate, and may be aromatic oil in the examples.

[0038] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 80 - 120 parts of reinforcing filler, preferably 90 - 110 parts, and may be 100 parts in the examples. In the present invention, the reinforcing filler comprises one or more of carbon black, carbon fiber, carbon nanotube and graphene, and more preferably carbon black. The carbon black preferably comprises N330 carbon black and N660 carbon black, and the mass ratio of N330 carbon black to N660 carbon black is preferably 1:1.

[0039] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 10 to 35 parts of heat-resistant filler, preferably 15 to 30 parts, and in the examples, it can be 15 parts, 20 parts, 25 parts or 30 parts. In the present invention, the heat-resistant filler comprises one or more of asbestos powder, clay and calcium carbonate, more preferably comprises asbestos powder and / or clay, and most preferably is asbestos powder and clay. The mass ratio of the clay to the asbestos powder is preferably (5 to 20):(5 to 20), and in the examples, it can be 10:5, 5:10, 10:10, 10:15, 15:15, 10:20, 20:10 or 20:5. The present invention preferably uses the clay and asbestos powder as the heat-resistant filler in the rubber material, which can be uniformly filled in the rubber material, so that the crosslinked rubber after vulcanization forms a high heat-resistant body.

[0040] In the present invention, the reinforcing filler is preferably carbon black, and the heat-resistant filler is preferably clay and asbestos powder. Through the compounding of carbon black, clay and asbestos powder, the obtained rubber material has high hardness, high elasticity and anti-buckling properties.

[0041] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 1 to 3 parts of homogenizer, preferably 1.5 to 2 parts, and in the examples, it can be 1.5 parts. In the present invention, the homogenizer is preferably 40MSF.

[0042] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 1 to 4 parts of magnesium oxide, preferably 1.5 to 3.5 parts, and in the examples, it can be 2 parts or 3 parts. In the present invention, the magnesium oxide can endow the rubber material with excellent anti-scorching properties.

[0043] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 2 to 5 parts of accelerator, preferably 2.5 to 4 parts, and in the examples, it can be 2.8 parts. In the present invention, the accelerator comprises one or more of accelerator MBT, accelerator TMTD, accelerator NOBS and accelerator MBS, more preferably comprises accelerator MBT and / or accelerator TMTD. When the accelerator is preferably accelerator MBT and accelerator TMTD, the mass ratio of the accelerator TMTD to the accelerator MBT is preferably 2:0.8.

[0044] Based on the parts by mass of the rubber main body, the rubber material provided by the present invention comprises 0.1 to 1 part of anti-vulcanization reversion agent, preferably 0.5 to 1 part, and in the examples, it can be 0.8 part. In the present invention, the anti-vulcanization reversion agent is WK-901. The present invention can improve the anti-vulcanization reversion performance of the rubber material by adding the anti-vulcanization reversion agent and prevent the rubber material from over-vulcanizing during high-temperature use.

[0045] Based on the parts by mass of the rubber matrix, the rubber material provided by the present invention comprises 0.1 - 0.8 parts by mass of a vulcanizing agent, preferably 0.2 - 0.6 parts by mass, and may be 0.5 parts by mass in the examples. In the present invention, the vulcanizing agent comprises sulfur and / or a peroxide vulcanizing agent, specifically sulfur in the examples. The mass fraction of the vulcanizing agent in the present invention is 0.1 - 0.8 parts by mass. The rubber material provided by the present invention does not require the addition of a large amount of vulcanizing agent, and only a small amount of vulcanizing agent is added to accelerate the scorch speed.

[0046] The present invention provides a method for preparing the rubber material described in the above technical solution, comprising the following steps:

[0047] Mix the rubber matrix, asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant filler, reinforcing filler, softening agent, anti-aging agent and homogenizing agent for internal mixing to obtain an internally mixed material;

[0048] Mix the internally mixed material, accelerator, vulcanizing agent and anti-reversion agent for mixing to obtain a mixed rubber;

[0049] Vulcanize the mixed rubber to obtain the rubber material.

[0050] In the present invention, the rubber matrix, asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant filler, reinforcing filler, softening agent, anti-aging agent and homogenizing agent are mixed for internal mixing to obtain an internally mixed material. In the present invention, the internal mixing is preferably carried out in an internal mixer, and the internal mixing is preferably carried out under stirring conditions. The internal mixing comprises the following steps: subject the rubber matrix, asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant filler, reinforcing filler and softening agent to first internal mixing to obtain a first internally mixed material; subject the first internally mixed material, anti-aging agent and homogenizing agent to second internal mixing to obtain the internally mixed material. The temperature of the first internally mixed material is preferably 110°C, and the first internally mixed material is preferably kept warm and stirred and mixed for 10 - 15 min and then subjected to second internal mixing with the anti-aging agent and homogenizing agent. The temperature of the internally mixed material is preferably room temperature.

[0051] After obtaining the internally mixed material, in the present invention, the internally mixed material, accelerator, vulcanizing agent and anti-reversion agent are mixed for mixing to obtain a mixed rubber. In the present invention, the mixing is carried out on a two-roll mill.

[0052] After obtaining the mixed rubber, in the present invention, the mixed rubber is vulcanized to obtain the rubber material. In the present invention, the vulcanization is preferably compression molding vulcanization. The compression molding vulcanization preferably includes: the vulcanization temperature is preferably 120 - 180°C, more preferably 145°C ± 5°C, the time is preferably 2 - 30 min, more preferably 20 ± 5 min, and the pressure is preferably 0.2 - 1.0 MPa, and may be 0.5 MPa in the examples.

[0053] The present invention provides the application of the rubber material described in the above technical solution or the rubber material prepared by the preparation method described in the above technical solution in a Bakelite rubber pad.

[0054] In the present invention, the application is preferably: using the rubber material as a Bakelite rubber pad. In the present invention, the preparation method of the Bakelite rubber pad is preferably the same as the preparation method of the above-mentioned rubber material, and the mold used in the vulcanization process preferably has the shape of a Bakelite rubber pad.

[0055] To further illustrate the present invention, the technical solutions provided by the present invention will be described in detail below with reference to embodiments, but they should not be construed as limiting the protection scope of the present invention.

[0056] Examples 1 to 8 and Comparative Examples 1 to 3

[0057] The mass parts of the respective preparation raw materials in the rubber materials provided by Examples 1 to 8 and Comparative Examples 1 to 3 are shown in Table 1.

[0058] Table 1 Raw material formula of examples and comparative examples (mass parts)

[0059]

[0060]

[0061] The preparation methods of the rubber materials provided by Examples 1 to 8 and Comparative Examples 1 to 3 include the following steps:

[0062] Weigh the raw materials according to the mass parts of the respective preparation raw materials in the rubber material formula provided in Table 1, and then put the rubber matrix (natural rubber (1# smoked sheet rubber), chlorinated butyl rubber, ethylene propylene diene monomer rubber), asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant fillers (kaolin and asbestos powder), reinforcing fillers (N330 carbon black and N660 carbon black) and softening agent (aromatic oil) into a Banbury mixer, stir evenly, heat to 110 °C and stir for 10 min, then add antioxidant (antioxidant RD and antioxidant IPPD, mass ratio 2.5:1.5) and homogenizer (40MSF) and mix evenly, then discharge and cool to room temperature and set aside. Put the obtained cooled rubber compound into a two-roll mill for mixing, add accelerator (TMTD and MBT), accelerator MBT and vulcanizing agent sulfur, anti-vulcanization reversion agent (WK-901) and mix evenly, and then carry out mold pressing vulcanization. The mold used is in the shape of a Bakelite rubber pad as shown in Figure 1 and Figure 2 shown, and the vulcanization conditions are 145 °C × 20 min, pressure 0.5 MPa, to obtain a Bakelite rubber pad.

[0063] Test Example

[0064] The test results of the performance of the Bakelite rubber pads prepared in Examples 1-8 and Comparative Examples 1-3 are shown in Table 2. It can be seen from the results in Table 2 that the Bakelite rubber pads prepared in Examples 1-8 have good heat resistance and aging resistance, and excellent comprehensive performance.

[0065] Table 2 Test results of the Bakelite rubber pads prepared in the examples and comparative examples

[0066]

[0067] As can be seen from the above examples, the rubber material provided by the present invention is compounded with asbestos powder and kaolin. Asbestos powder and kaolin, as heat-resistant fillers, can be evenly filled in the rubber material, so that a high heat-resistant body is formed after vulcanization of the cross-linked rubber; by adding magnesium oxide, it has excellent anti-scorch characteristics; by adding carbon black, kaolin and asbestos powder, it has high hardness, high elasticity and anti-buckling characteristics; by adding a homogenizer, the heat-resistant filler and the reinforcing filler can be evenly filled in the rubber; by adding an anti-reversion agent, the breakage of the rubber molecular chain can be slowed down as much as possible, the anti-reversion performance is improved, the stability of the rubber is increased, and over-vulcanization during high-temperature use of the rubber material is prevented; finally, the vulcanization system of the rubber material provided by the present invention is a low-sulfur high-accelerator system, and a large amount of sulfides do not need to be added. The accelerator provides free sulfur at high temperature, so that the rubber material speeds up the sulfur-taking speed at high temperature, and the degree of vulcanization shows an increasing trend. In summary, the rubber material provided by the present invention has the advantages of high temperature resistance, durability and long service life, and can effectively work for more than 500 h at a high temperature of 150-170 °C.

[0068] Although the above embodiments have described the present invention in detail, they are only a part of the embodiments of the present invention, not all of them. Other embodiments can also be obtained according to these embodiments without creative work, and these embodiments all fall within the protection scope of the present invention.

Claims

1. A rubber material, characterized in that: The preparation comprises the following raw materials in parts by weight: 100 parts of rubber body, 1-3 parts of asphalt, 15-40 parts of zinc oxide, 1-3 parts of stearic acid, 4-6 parts of antioxidant, 4-6 parts of softener, 80-120 parts of reinforcing filler, 10-35 parts of heat-resistant filler, 1-3 parts of leveling agent, 1-4 parts of magnesium oxide, 2-5 parts of accelerator, 0.1-1 parts of anti-reversion agent, 0.1-0.8 parts of vulcanizing agent; The reinforcing filler includes one or more of carbon black, carbon fiber, carbon nanotube and graphene; The heat-resistant filler includes one or more of asbestos powder, clay and calcium carbonate.

2. The rubber material according to claim 1, characterized in that: The rubber body includes one or more of natural rubber, butyl rubber, chlorinated butyl rubber, brominated butyl rubber, EPDM rubber and chloroprene rubber.

3. The rubber material according to claim 1, characterized in that: The asphalt includes petroleum asphalt and / or coal tar asphalt, and the petroleum asphalt includes one or more of No. 10 asphalt, No. 70 asphalt and No. 90 asphalt.

4. The rubber material according to claim 1, characterized in that: The antioxidant includes one or more of antioxidant RD, antioxidant IPPD, antioxidant 4020, antioxidant 4010NA, antioxidant MB, antioxidant MBZ, antioxidant NBC, antioxidant 2246, antioxidant 2246S, antioxidant 246, antioxidant SP, antioxidant 6DDP, antioxidant UOP588, antioxidant UOP788, antioxidant DD, antioxidant AW and antioxidant D.

5. The rubber material according to claim 1, characterized in that: The softener includes one or more of aromatic oil, pine tar oil and dioctyl phthalate.

6. The rubber material according to claim 1, characterized in that: The accelerator includes one or more of accelerator MBT, accelerator TMTD, accelerator NOBS and accelerator MBS.

7. The rubber material according to claim 1, characterized in that: The vulcanizing agent includes sulfur and / or peroxide vulcanizing agents.

8. The rubber material according to claim 1, characterized in that: The leveling agent is 40MSF; the anti-reversion agent is WK-901.

9. The method for preparing the rubber material according to any one of claims 1 to 8, characterized in that: The following steps are involved: The rubber body, asphalt, zinc oxide, stearic acid, magnesium oxide, heat-resistant filler, reinforcing filler, softener, antioxidant and homogenizer are mixed and kneaded to obtain a kneaded material; The mixing material, accelerator, vulcanizing agent and anti-reversion agent are mixed and kneaded to obtain a rubber compound; The mixed rubber is vulcanized to obtain the rubber material.

10. Use of the rubber material according to any one of claims 1 to 8 or the rubber material prepared by the preparation method according to claim 9 in a Barking rubber pad.

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