Environment change self-adaptive high-performance vehicle rubber material

Abstract

The invention discloses a high-performance vehicle rubber material self-adaptive to environmental change, and belongs to the technical field of rubber materials. The vehicle rubber material is prepared from the following raw materials in parts by weight: 130 to 150 parts of natural rubber, 50 to 70 parts of nitrile rubber, 30 to 50 parts of composite filler, 15 to 30 parts of ethylene propylene diene monomer, 12 to 20 parts of auxiliaries, 1 to 5 parts of vulcanizing agent, 1 to 5 parts of accelerant, 1 to 3 parts of activating agent and 0.01 to 0.1 part of initiator. By introducing the composite filler, the rubber material for the vehicle can still keep good wear resistance, aging resistance, mechanical properties and the like in high and low temperature environments, and is adaptive to environmental changes; the auxiliary agent contains a diaryl secondary amine structure, chitosan and phosphorus-nitrogen flame-retardant elements, and the auxiliary agent serves as a bridge to connect the composite filler and the ethylene propylene diene monomer, so that the vehicle rubber material has excellent and stable mechanical properties, peculiar smell adsorption performance, flame retardance, aging resistance, wear resistance, antibacterial property and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of rubber materials, and in particular relates to a high-performance automotive rubber material that is adaptive to environmental changes. Background Art

[0002] In addition to tires, cars also have 200-300 kinds of rubber parts or sub-parts. Therefore, rubber materials are an important part of cars and play a vital role in ensuring the performance and safety of cars. There are many types of automotive rubber materials, mainly including nitrile rubber, chloroprene rubber, acrylic rubber, silicone rubber, fluororubber, butyl rubber, natural rubber and styrene-butadiene rubber.

[0003] Chinese patent CN118994800A discloses a rubber material for automobiles and a preparation method thereof. The raw materials of the rubber material for automobiles include, by weight, 60-70 parts of EPDM rubber, 6-10 parts of methyl vinyl phenyl silicone rubber, 30-40 parts of natural rubber, 8-10 parts of epoxidized natural rubber, 2-4 parts of antioxidant, 2-4 parts of sulfur, 2-4 parts of lignin, 2-4 parts of pretreated plant fibers, 10-20 parts of seaweed extract, 5-10 parts of bamboo leaf extract, 1-2 parts of nano zinc oxide, 1-2 parts of activated carbon, 10-30 parts of modified bentonite and 1-3 parts of carbon black. The rubber material for automobiles has good heat resistance, aging resistance, flame retardancy and wear resistance, and has a small irritating odor, so it has good comprehensive performance. However, since the raw materials for preparing the rubber material are simply physically mixed without chemical reaction, the pungent smell of the material will become more and more obvious as the use time increases, and its heat resistance, anti-aging, flame retardancy and wear resistance will become increasingly unstable, and its adaptability to the environment will become increasingly poor. Therefore, it is urgent to solve the above problems to meet the higher demands in the field of automotive rubber material technology. Summary of the invention

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a high-performance automotive rubber material that is self-adaptive to environmental changes.

[0005] The purpose of the present invention can be achieved by the following technical solutions: A high-performance automotive rubber material capable of self-adapting to environmental changes comprises the following raw materials in parts by weight: 130-150 parts of natural rubber, 50-70 parts of nitrile rubber, 30-50 parts of composite filler, 15-30 parts of EPDM rubber, 12-20 parts of auxiliary agent, 1-5 parts of vulcanizer, 1-5 parts of accelerator, 1-3 parts of activator and 0.01-0.1 parts of initiator.

[0006] Furthermore, the composite filler is prepared by the following steps: The inorganic filler was dispersed in a mixed solution of anhydrous ethanol and deionized water, and the coupling agent was slowly added after stirring evenly. After the addition was completed, the temperature was raised to 65°C, stirred for 2 hours, the filtrate was filtered to remove the filtrate, and the filter residue was dried at 100°C for 12 hours to obtain a composite filler; the mass ratio of the inorganic filler to the coupling agent was 15:1.

[0007] Furthermore, the inorganic filler is a mixture of white carbon black, carbon black, light calcium carbonate and zinc oxide in a mass ratio of (1-2):3:(1-2):2.

[0008] Furthermore, the coupling agent is 3-(2,3-epoxypropoxy)propyltrimethoxysilane.

[0009] White carbon black can enhance the mechanical properties of automotive rubber materials, improve their wear resistance and anti-aging properties. Light calcium carbonate mainly plays the role of filling, reinforcing, improving processing performance, improving the mechanical properties of rubber and adjusting rubber properties in automotive rubber materials, while effectively reducing production costs. Carbon black can enhance the strength and hardness of automotive rubber materials, making them have better wear resistance and aging resistance; it can also enhance the oil resistance, chemical resistance, tear resistance, compression resistance, shear resistance and other mechanical properties of automotive rubber materials; in addition, carbon black, as a UV absorber, can prevent rubber products from aging due to long-term exposure to sunlight; in addition, carbon black can improve the heat resistance and cold resistance of rubber, so that it can still maintain good performance in high or low temperature environments, and thus the rubber material of the present invention has high environmental adaptability.

[0010] Zinc oxide can not only improve the mechanical properties such as tensile strength, tear strength and wear resistance as well as heat resistance of automotive rubber materials, but also directly participate in the cross-linking reaction of rubber molecular chains to form a three-dimensional network structure, thereby improving the performance of rubber, making it more durable and extending its service life.

[0011] Furthermore, the auxiliary agent is prepared by the following steps: S1. Under nitrogen protection, tri(2-chloropropyl) phosphate, triethylamine and toluene were added into a three-necked flask, stirred to dissolve, and then N-methyl-4-pentene-1-amine was slowly added. After the addition was completed, the temperature was raised to 70° C. and stirred to react for 5 h. After the reaction was completed, the mixture was cooled to room temperature and distilled under reduced pressure to obtain intermediate 1; the amount ratio of tri(2-chloropropyl) phosphate, N-methyl-4-pentene-1-amine, triethylamine and toluene was 38 mL:30.5 g:44 mL:200 mL; Triethylamine is used as an acid binding agent, and the molar ratio of tris(2-chloropropyl) phosphate and N-methyl-4-penten-1-amine is controlled to be 1:2.0-2.1. The -Cl of tris(2-chloropropyl) phosphate and the -NH- of N-methyl-4-penten-1-amine undergo a di-substitution reaction. The reaction process is as follows:

[0012] S2. Under nitrogen protection, add intermediate 1, pyridine and dimethyl sulfoxide into a three-necked flask, stir and dissolve, then slowly add 2-amino-4,6-dichloro-S-triazine, stir and react at room temperature for 3 hours after the addition is complete, and distill under reduced pressure after the reaction is completed to obtain intermediate 2; the amount ratio of intermediate 1, 2-amino-4,6-dichloro-S-triazine, pyridine and dimethyl sulfoxide is 56.4g:19.8g:11.6mL:240mL; Pyridine is used as an acid binding agent, and the molar ratio of intermediate 1 to 2-amino-4,6-dichloro-S-triazine is controlled to be 1.0-1.05:1. The -Cl of intermediate 1 and the -NH2 of 2-amino-4,6-dichloro-S-triazine undergo a substitution reaction. The reaction process is as follows:

[0013] S3, under nitrogen protection, add intermediate 2, pyridine and dimethyl sulfoxide into a three-necked flask, stir to dissolve, then slowly add p-aminodiphenylamine, stir and react at room temperature for 3 hours after the addition is complete, and distill under reduced pressure after the reaction is completed to obtain intermediate 3; the amount ratio of intermediate 2, p-aminodiphenylamine, pyridine and dimethyl sulfoxide is 58g:18.3mL:9.3mL:250mL; Pyridine is used as an acid-binding agent, and the molar ratio of intermediate 2 to p-aminodiphenylamine is controlled to be 1:1.05-1.1. The -Cl of intermediate 2 undergoes a substitution reaction with the -NH2 of p-aminodiphenylamine. The reaction process is as follows:

[0014] S4. Dissolve chitosan in DMF (N,N-dimethylformamide) under nitrogen protection, add the mixed solution of intermediate 3 and DMF after stirring evenly, and then heat to 50°C and stir to react for 6 hours. During this period, adjust the pH value of the system to 7 with 10wt% sodium carbonate solution. After the reaction is completed, cool to room temperature, wash with deionized water by centrifugation for 3 times, then wash with anhydrous ethanol by centrifugation for 3 times, and finally dry at 80°C for 12 hours to obtain an auxiliary agent; the amount ratio of chitosan to intermediate 3 is 6g:3g.

[0015] Under heating conditions, the -OH of chitosan and the -Cl of intermediate 3 undergo substitution reaction, and the reaction process is as follows:

[0016] The auxiliary agent contains chitosan, and the chitosan molecular structure contains a large number of amino and carboxyl functional groups. These functional groups can interact with odor molecules to form a polymer film, thereby changing the permeability of odor molecules and achieving the effect of absorbing odor. Adding the auxiliary agent containing chitosan into the automotive rubber material can enhance the ability of the automotive rubber material to absorb odor. In addition, chitosan is a deacetylated product of the natural polysaccharide chitin, with rich amino groups on the surface, and has broad-spectrum antibacterial properties. Chitosan mainly interacts with the cell wall of bacteria to cause the destruction of the cell membrane, thereby killing bacteria. Therefore, the automotive rubber material of the present invention also has certain antibacterial properties.

[0017] The additives are rich in phosphorus and nitrogen, both of which are halogen-free flame retardant elements. They can work together to give the additives excellent flame retardant and smoke suppression properties. When heated, the additives containing phosphorus and nitrogen synergistic flame retardant elements will undergo endothermic reactions, such as dehydration reactions and esterification reactions. These reactions will absorb a large amount of heat, thereby reducing the temperature of the rubber material and slowing down its thermal decomposition rate; under high temperature conditions, the additives containing phosphorus and nitrogen synergistic flame retardant elements will generate a porous carbon layer, which can isolate air and heat, prevent further cracking of the rubber material and the generation of flammable gases; during the reaction process, the additives containing phosphorus and nitrogen synergistic flame retardant elements will produce non-flammable gases such as water vapor and nitrogen, which can dilute the oxygen and flammable gases around the material, reduce their concentration, and thus prevent combustion; during the reaction process, the steam and non-flammable gases produced by the additives containing phosphorus and nitrogen synergistic flame retardant elements cause the molten system to expand and foam, forming a porous carbon layer. This foam layer has good heat insulation, oxygen isolation and smoke suppression functions, further enhancing the flame retardant effect.

[0018] The additive contains a diaryl secondary amine structure, which contains an active amine group. The amine group can react with the active oxygen free radicals in the rubber material to generate a stable compound, thereby preventing the oxidative degradation of the rubber material. In addition, the structure also has the characteristics of a hydrogen atom donor and a free radical capture, which can improve the heat resistance and weather resistance of the rubber material. Therefore, the application of additives containing diaryl secondary amine structures in automotive rubber materials can effectively improve the protective performance of the rubber material against ozone cracking and flex fatigue.

[0019] The additive contains carbon-carbon double bonds, which can react chemically with the carbon-carbon double bonds of the side chain of EPDM rubber under the action of the initiator, so that the additive can stably exist in the rubber material and give full play to the effects of odor absorption, flame retardancy, anti-aging and antibacterial. In addition, the additive contains terminal amino and hydroxyl groups, which can react chemically with the epoxy groups on the surface of the composite filler, so that the additive acts as a bridge to connect the composite filler and EPDM rubber, so that the dispersion and stability of the composite filler are greatly improved, and the composite material can also give full play to its role, effectively protecting the rubber material, so that it can still maintain good wear resistance, aging resistance and mechanical properties in high or low temperature environments, and can adapt to environmental changes.

[0020] Furthermore, the vulcanizing agent is sulfur.

[0021] Furthermore, the accelerator is one or more of 2,2'-dibenzothiazole disulfide, tetramethylthiuram disulfide, 2-benzothiazolyl-N-morpholinyl sulfide, 2-mercaptobenzothiazole, and zinc diethyldithiocarbamate.

[0022] Furthermore, the activator is stearic acid.

[0023] Furthermore, the initiator is one or both of dicumyl peroxide and dibenzoyl peroxide.

[0024] Beneficial effects of the present invention: 1. The introduction of composite fillers can enable automotive rubber materials to maintain good wear resistance, aging resistance and mechanical properties in high or low temperature environments, and adapt to environmental changes; 2. The prepared auxiliary agent contains diaryl secondary amine structure, chitosan and rich phosphorus and nitrogen halogen-free flame retardant elements, and the auxiliary agent acts as a bridge to connect the composite filler and EPDM rubber. Therefore, the automotive rubber material of the present invention has excellent and stable mechanical properties, odor absorption performance, flame retardancy, aging resistance, wear resistance and antibacterial properties, etc., has excellent comprehensive performance and has broad market prospects. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example 1: Preparation of composite filler, the preparation steps are as follows: Disperse 3g of white carbon black, 9g of carbon black, 3g of light calcium carbonate and 6g of zinc oxide in a mixed solution of 140mL of anhydrous ethanol and 60mL of deionized water, stir evenly and slowly add 1.4g of 3-(2,3-epoxypropoxy)propyltrimethoxysilane. After the addition is completed, heat to 65°C and stir for 2h. Filter to remove the filtrate and dry the residue at 100°C for 12h to obtain a composite filler.

[0027] Example 2: Preparation of composite filler, the preparation steps are as follows: Disperse 4.5 g of white carbon black, 9 g of carbon black, 4.5 g of light calcium carbonate and 6 g of zinc oxide in a mixed solution of 140 mL of anhydrous ethanol and 60 mL of deionized water, stir evenly and slowly add 1.6 g of 3-(2,3-epoxypropoxy)propyltrimethoxysilane. After the addition is completed, heat to 65 ° C, stir for 2 h, filter to remove the filtrate, and dry the residue at 100 ° C for 12 h to obtain a composite filler.

[0028] Example 3: Preparation of composite filler, the preparation steps are as follows: Disperse 6g of white carbon black, 9g of carbon black, 6g of light calcium carbonate and 6g of zinc oxide in a mixed solution of 140mL of anhydrous ethanol and 60mL of deionized water, stir evenly and slowly add 1.8g of 3-(2,3-epoxypropoxy)propyltrimethoxysilane. After the addition is completed, heat to 65°C and stir for 2h. Filter and remove the filtrate, and dry the residue at 100°C for 12h to obtain a composite filler.

[0029] Example 4, preparation of auxiliary agent, the specific steps are as follows: S1. Under nitrogen protection, add 38 mL of tri(2-chloropropyl) phosphate, 44 mL of triethylamine and 200 mL of toluene into a 500 mL three-necked flask, stir to dissolve, then slowly add 30.5 g of N-methyl-4-penten-1-amine. After the addition is complete, heat to 70 ° C and stir to react for 5 h. After the reaction is completed, cool to room temperature and distill under reduced pressure to obtain intermediate 1; S2, under nitrogen protection, add 56.4g of intermediate 1, 11.6mL of pyridine and 240mL of dimethyl sulfoxide into a 500mL three-necked flask, stir to dissolve, then slowly add 19.8g of 2-amino-4,6-dichloro-S-triazine, stir and react at room temperature for 3h after the addition is complete, and distill under reduced pressure after the reaction is completed to obtain intermediate 2; S3, under nitrogen protection, add 58g of intermediate 2, 9.3mL of pyridine and 250mL of dimethyl sulfoxide into a 500mL three-necked flask, stir to dissolve, then slowly add 18.3mL of p-aminodiphenylamine, stir and react at room temperature for 3h after the addition is complete, and distill under reduced pressure after the reaction is completed to obtain intermediate 3; S4. Under nitrogen protection, 6 g of chitosan was dissolved in 100 mL of DMF. After stirring evenly, a mixed solution of 3 g of intermediate 3 and 20 mL of DMF was added, and the temperature was raised to 50 °C and stirred for 6 h. During this period, the pH value of the system was adjusted to 7 with 10 wt% sodium carbonate solution. After the reaction was completed, it was cooled to room temperature, first washed by centrifugation with deionized water for 3 times, then washed by centrifugation with anhydrous ethanol for 3 times, and finally dried at 80 °C for 12 h to obtain an auxiliary agent.

[0030] Example 5, preparing a rubber material for a vehicle, the specific steps are as follows: 13 parts of natural rubber, 50 parts of nitrile rubber and 15 parts of EPDM rubber were added to an open mill for the first mixing. After the mixing was completed, 30 parts of the composite filler prepared in Example 1, 12 parts of the additives prepared in Example 4 and 0.01 parts of diisopropylbenzene peroxide were added for the second mixing. After the mixing was completed, it was put into a flat vulcanizer and 1 part of sulfur, 1 part of 2,2'-dibenzothiazole disulfide and 1 part of stearic acid were added for vulcanization. After the vulcanization was completed, a rubber material for a vehicle was obtained.

[0031] Example 6, preparing a rubber material for a vehicle, the specific steps are as follows: 140 parts of natural rubber, 60 parts of nitrile rubber and 20 parts of EPDM rubber were added to an open mill for the first mixing. After the mixing was completed, 40 parts of the composite filler prepared in Example 2, 17 parts of the additives prepared in Example 4 and 0.07 parts of dibenzoyl peroxide were added for the second mixing. After the mixing was completed, it was put into a flat vulcanizer and 3 parts of sulfur, 2 parts of tetramethylthiuram disulfide, 1 part of 2-benzothiazolyl-N-morpholinyl sulfide and 2 parts of stearic acid were added for vulcanization. After the vulcanization was completed, a rubber material for a vehicle was obtained.

[0032] Example 7, preparing a rubber material for a vehicle, the specific steps are as follows: 150 parts of natural rubber, 70 parts of nitrile rubber and 30 parts of EPDM rubber were added to an open mill for the first mixing. After the mixing was completed, 50 parts of the composite filler prepared in Example 3, 20 parts of the additives prepared in Example 4 and 0.1 parts of dibenzoyl peroxide were added for the second mixing. After the mixing was completed, it was put into a flat vulcanizer and 5 parts of sulfur, 2 parts of 2-mercaptobenzothiazole, 3 parts of zinc diethyldithiocarbamate and 3 parts of stearic acid were added for vulcanization. After the vulcanization was completed, a rubber material for a vehicle was obtained.

[0033] Comparative Example 1, preparing a rubber material for a vehicle, the specific steps are as follows: The remaining steps remained unchanged, except that the additives in Example 5 were replaced by 2 parts of antioxidant 4020, 2 parts of flame retardant FRC-2, and 8 parts of chitosan to prepare a rubber material for automobiles.

[0034] Comparative Example 2, preparing a rubber material for a vehicle, the specific steps are as follows: The remaining steps remained unchanged, except that the composite filler in Example 5 was replaced by 4.3 parts of white carbon black, 12.8 parts of carbon black, 4.3 parts of light calcium carbonate, and 8.6 parts of zinc oxide to prepare a rubber material for a vehicle.

[0035] Performance Testing The vehicle rubber materials prepared in Examples 5-7 and Comparative Examples 1-2 were made into corresponding shapes according to different standards, and the following performance tests were performed: The tensile strength was determined according to the national standard GB / T 528-2009 "Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber"; the tensile strength of the aged sample was then determined according to the national standard GB / T 3512-2001 "Hot air accelerated aging and heat resistance test of vulcanized rubber or thermoplastic rubber"; The limiting oxygen index of the sample was measured according to the national standard GB / T 10707-2008 "Determination of Rubber Combustion Performance"; the vehicle rubber materials prepared in Examples 5-7 and Comparative Examples 1-2 were left to stand at room temperature for 200 days and then the limiting oxygen index was measured again; The test results of all items are shown in the following table:

[0036] In the description of the specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above contents are merely examples and explanations of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the invention or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A high-performance automotive rubber material that is adaptive to environmental changes, characterized in that: The invention comprises the following raw materials in parts by weight: 130-150 parts of natural rubber, 50-70 parts of nitrile rubber, 30-50 parts of composite filler, 15-30 parts of EPDM rubber, 12-20 parts of additives, 1-5 parts of vulcanizing agent, 1-5 parts of accelerator, 1-3 parts of activator and 0.01-0.1 parts of initiator; Wherein, the composite filler is prepared by the following steps: The inorganic filler is dispersed in a mixed solution of anhydrous ethanol and deionized water, and a coupling agent is added after stirring. After the addition is completed, the temperature is raised to 65° C., stirred for 2 hours, the filtrate is removed by filtration, and the filter residue is dried at 100° C. for 12 hours to obtain a composite filler; the mass ratio of the inorganic filler to the coupling agent is 15:1; The auxiliary agent is prepared by the following steps: S1. Tris(2-chloropropyl) phosphate, triethylamine and toluene were added into a flask under nitrogen protection, stirred, and N-methyl-4-penten-1-amine was added. The temperature was raised to 70° C. and stirred for 5 h. The mixture was cooled and distilled under reduced pressure to obtain intermediate 1. S2. Under nitrogen protection, add intermediate 1, pyridine and dimethyl sulfoxide into a flask, stir, add 2-amino-4,6-dichloro-S-triazine, stir and react at room temperature for 3 hours, and distill under reduced pressure to obtain intermediate 2; S3, under nitrogen protection, add intermediate 2, pyridine and dimethyl sulfoxide into a flask, stir, add p-aminodiphenylamine, stir and react at room temperature for 3 hours, and distill under reduced pressure to obtain intermediate 3; S4. Dissolve chitosan in DMF under nitrogen protection, add the mixed solution of intermediate 3 and DMF after stirring, heat to 50°C and stir for 6 hours, during which the pH value of the system is adjusted to 7 by 10wt% sodium carbonate solution. After the reaction is completed, cool to room temperature, wash with deionized water for 3 times by centrifugation, then wash with anhydrous ethanol for 3 times by centrifugation, and dry to obtain an auxiliary agent.

2. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The usage ratio of tris(2-chloropropyl) phosphate, N-methyl-4-penten-1-amine, triethylamine and toluene in step S1 is 38 mL:30.5 g:44 mL:200 mL.

3. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The usage ratio of the intermediate 1, 2-amino-4,6-dichloro-S-triazine, pyridine and dimethyl sulfoxide in step S2 is 56.4 g:19.8 g:11.6 mL:240 mL.

4. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The usage ratio of the intermediate 2, p-aminodiphenylamine, pyridine and dimethyl sulfoxide in step S3 is 58 g: 18.3 mL: 9.3 mL: 250 mL.

5. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The usage ratio of chitosan and intermediate 3 in step S4 is 6g:3g.

6. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The inorganic filler is a mixture of white carbon black, carbon black, light calcium carbonate and zinc oxide in a mass ratio of (1-2):3:(1-2):

2.

7. The high-performance automotive rubber material capable of self-adapting to environmental changes according to claim 1, characterized in that: The coupling agent is 3-(2,3-epoxypropoxy)propyltrimethoxysilane.

8. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The vulcanizing agent is sulfur.

9. The high-performance automotive rubber material capable of self-adapting to environmental changes according to claim 1, characterized in that: The accelerator is one or more of 2,2'-dibenzothiazole disulfide, tetramethylthiuram disulfide, 2-benzothiazolyl-N-morpholinyl sulfide, 2-mercaptobenzothiazole, and zinc diethyldithiocarbamate.

10. The high-performance automotive rubber material that is adaptive to environmental changes according to claim 1, characterized in that: The activator is stearic acid; the initiator is one or both of dicumyl peroxide and dibenzoyl peroxide.

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