Rubber compound for anti-fatigue gas diaphragm and production method of rubber compound

Abstract

The invention relates to the technical field of rubber, in particular to a rubber compound for an anti-fatigue gas diaphragm and a production method of the rubber compound. The rubber compound material is prepared from the following raw materials in parts by weight: 90 to 110 parts of nitrile rubber, 15 to 30 parts of trans-1, 4-polyisoprene rubber, 5 to 15 parts of dioctyl phthalate, 50 to 80 parts of a reinforcing agent, 3 to 5 parts of an active agent, 5 to 8 parts of a processing aid, 1.5 to 2.5 parts of an anti-aging agent, 0.5 to 2.5 parts of an accelerant, 0.5 to 1.5 parts of a vulcanizing agent and 2 to 3 parts of a functional additive; the functional additive prepared by the invention can effectively delay the aging rate of the rubber compound for the fuel gas diaphragm, so that the rubber compound has better mechanical properties and fatigue resistance in a quite long period of time, the service life of the rubber compound is prolonged to a certain extent, and the quality of the rubber compound is also ensured; in addition, the prepared rubber compound material also has important application in the aspects of manufacturing of long-life dynamic fatigue products, giant engineering tires, large thick products and the like.

Description

Technical Field

[0001] The invention relates to the technical field of rubber, in particular to a rubber compound for an anti-fatigue gas diaphragm and a production method thereof. Background Art

[0002] The diaphragm gas meter is a volumetric mechanical instrument, which consists of a metering system consisting of two containers (metering boxes). Each container is divided into two complementary metering chambers by a concave gas diaphragm across the middle. The driving force of the gas diaphragm movement depends on the gas pressure difference at the inlet and outlet of the gas meter. Under the action of the pressure difference, the gas diaphragm produces continuous alternating movement, pushing the two sets of slide valves to continuously separate the gas filled in the metering chamber into a single metering volume (circulation volume) and discharge it to the outlet, and then connected to the counter through a mechanical transmission mechanism to count the single metering volume, thereby measuring the total amount of gas flowing through the pipeline.

[0003] Since the measurement of the diaphragm gas meter is determined by the moving volume of the gas diaphragm, and the gas diaphragm is generally made of rubber material, when the gas diaphragm ages, it may cause it to rupture easily, thereby causing measurement errors, and failures such as fast meter, slow meter or blockage. It can be seen that the quality of the anti-aging performance of the gas diaphragm directly affects the accuracy level and stability of the gas meter. Therefore, the present invention provides a fatigue-resistant gas diaphragm rubber compound and a production method thereof to solve the above-mentioned technical problems! Summary of the invention

[0004] The purpose of the present invention is to provide a rubber compound for anti-fatigue gas diaphragm and a production method thereof. The prepared functional additive can effectively delay the aging rate of the rubber compound for gas diaphragm, so that it has good mechanical properties and anti-fatigue properties for a considerable period of time, prolongs its service life to a certain extent, and ensures its quality; in addition, the rubber compound material prepared by the present invention also has important applications in the manufacture of long-life dynamic fatigue products, giant engineering tires, and large thick products.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A rubber compound for an anti-fatigue gas diaphragm is composed of the following raw materials in parts by weight: 90-110 parts of nitrile rubber, 15-30 parts of trans-1,4-polyisoprene rubber, 5-15 parts of dioctyl phthalate, 50-80 parts of a reinforcing agent, 3-5 parts of an activator, 5-8 parts of a processing aid, 1.5-2.5 parts of an antioxidant, 0.5-2.5 parts of an accelerator, 0.5-1.5 parts of a vulcanizing agent and 2-3 parts of a functional additive.

[0007] Furthermore, the reinforcing agent is compounded by spray carbon black, N330 carbon black and N550 carbon black in a mass ratio of 1:0.2-0.3:0.3-0.5.

[0008] Furthermore, the active agent is selected from any one of zinc oxide, magnesium oxide, zinc stearate, and zinc p-toluenesulfinate.

[0009] Furthermore, the processing aid is selected from any one of wax powder, oleamide, erucamide, and ethylene bisstearamide.

[0010] Furthermore, the antioxidant is selected from any one of antioxidant RD, antioxidant 4020, antioxidant DNP, and antioxidant MB.

[0011] Furthermore, the accelerator is selected from any one of accelerator CZ, accelerator TMTD, accelerator DM and accelerator DZ.

[0012] Furthermore, the vulcanizing agent is selected from any one of benzoyl peroxide and sulfur.

[0013] Furthermore, the preparation method of the functional additive comprises the following steps:

[0014] Step 1, add γ-(2,3-epoxypropoxy)propyltrimethoxysilane and N-isopropyl-N'-phenyl-p-phenylenediamine into a reaction device at a mass ratio of 1:1.5-2.0, and keep the reaction at a temperature of 90-120°C for 3-6 hours; after the reaction is completed, naturally cool the resulting components to 30-40°C, and then add an ethanol aqueous solution with a mass of 3-5 times that of γ-(2,3-epoxypropoxy)propyltrimethoxysilane and a concentration of 80-90%, mix and stir evenly, raise the temperature to 50-60°C, and mechanically stir for 20-30 hours to obtain a mixed solution;

[0015] Step 2: Add the inorganic carrier into a mixed solution at a temperature of 60 to 70° C. at a solid-liquid ratio of 0.02 to 0.05 g / mL, add 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone in an amount of 0.06 to 0.1 times the mass of the mixed solution, mix and stir evenly, and then mechanically stir the mixture at a rate of 200 to 350 r / min under the protection of nitrogen for 5 to 8 hours; after the reaction is completed, separate the obtained product components into solid and liquid, transfer the obtained filter cake into a vacuum drying device, and perform vacuum drying treatment on the filter cake at a temperature of 60 to 80° C., and the final product is a functional additive.

[0016] Furthermore, the preparation method of the inorganic carrier is as follows: zinc acetate is added into N,N-dimethylformamide at a dosage ratio of 3 to 5 mol / L, ultrasonically dispersed for 10 to 20 minutes to evenly disperse the zinc acetate, and then N-(2-hydroxyethyl)piperazine-N'-2-ethane sulfonic acid is added in a molar amount of 1 to 2 times that of zinc acetate, mixed and stirred evenly, and then the resulting mixed solution is transferred to a hydrothermal reactor, and kept warm at a temperature of 140 to 160° C. for reaction for 5 to 8 hours. After the reaction is completed, the resulting components are centrifuged and washed, and then the solid material obtained after washing is transferred to a vacuum drying oven and vacuum dried at a temperature of 60 to 70° C. for 20 to 25 hours; after drying is completed, it is naturally cooled to room temperature, and the final product is the inorganic carrier.

[0017] A method for producing a rubber compound for an anti-fatigue gas diaphragm comprises the following steps:

[0018] Step 1, accurately weigh each raw material according to the formula amount, set the temperature of the internal mixer to 120-125° C., then add nitrile rubber, trans-1,4-polyisoprene rubber, dioctyl phthalate, reinforcing agent, activator, processing aid, antioxidant and functional additives thereto in sequence, mix for 7-12 minutes and then discharge the material, and the obtained mixed rubber material is stored and reserved;

[0019] Step 2: Put the mixed rubber obtained in step 1 into an open mixer, refine for 4 to 7 minutes, and cool the sheet for 20 to 25 hours; after cooling, put it into an internal mixer and knead it at 95 to 100° C. for 60 to 100 seconds;

[0020] Step 3: After kneading is completed, add the remaining raw materials into the internal mixer, continue to knead for 3 to 5 minutes, and finally calender out sheets to obtain the mixed rubber for anti-fatigue gas diaphragm.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention firstly puts zinc acetate into N,N-dimethylformamide, uniformly disperses it by ultrasonication, then adds N-(2-hydroxyethyl)piperazine-N'-2-ethane sulfonic acid thereto, mixes and stirs evenly, and then conducts a heat preservation reaction. The resulting components are successively centrifuged and washed and vacuum dried to obtain an inorganic carrier with a porous spherical structure. Then, γ-(2,3-epoxypropoxy)propyltrimethoxysilane and N-isopropyl-N'-phenyl-p-phenylenediamine are mixed and then subjected to a heat preservation reaction. After the reaction is completed, the resulting components are cooled, and then an ethanol aqueous solution is added thereto, and then mixed and stirred evenly to obtain a mixed solution. The obtained inorganic carrier is put into the mixed liquid, and after mixing and stirring evenly, nitrogen is introduced to drive out the air. After stirring and reacting, γ-(2,3-epoxypropoxy)propyltrimethoxysilane and the active groups on the surface of the inorganic carrier react chemically to form a bond, and then N-isopropyl-N'-phenyl-p-phenylenediamine is effectively grafted on the surface of the inorganic substrate under the mediation of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, and finally a relatively dense three-dimensional envelope layer is formed on the surface of the inorganic substrate. The existence of the three-dimensional network layer can not only play a good antioxidant role, but also play a good binding role on the 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone adsorbed on the porous structure of the inorganic carrier surface, and can reduce the probability of migration of 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone to a certain extent.

[0023] Finally, the anti-aging performance of the functional additive was significantly improved under the synergy of the inorganic carrier, N-isopropyl-N'-phenyl-p-phenylenediamine and 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone. The prepared functional additive can effectively delay the aging rate of the mixed rubber for gas diaphragm, so that it has good mechanical properties and fatigue resistance for a considerable period of time, and prolongs its service life to a certain extent. In addition, the mixed rubber material prepared by the present invention also has important applications in the manufacture of long-life dynamic fatigue products, giant engineering tires, and large thick products. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

[0025] Example 1

[0026] A rubber compound for an anti-fatigue gas diaphragm is composed of the following raw materials in parts by weight: 90-110 parts of nitrile rubber, 15-30 parts of trans-1,4-polyisoprene rubber, 5-15 parts of dioctyl phthalate, 50-80 parts of a reinforcing agent, 3-5 parts of zinc oxide, 5-8 parts of wax powder, 1.5-2.5 parts of an antioxidant RD, 0.5-2.5 parts of an accelerator CZ, 0.5-1.5 parts of benzoyl peroxide and 2-3 parts of a functional additive; wherein the reinforcing agent is compounded from spray carbon black, N330 carbon black and N550 carbon black in a mass ratio of 1:0.2:0.3.

[0027] The preparation method of the functional additive comprises the following steps:

[0028] Step 1, add γ-(2,3-epoxypropoxy)propyltrimethoxysilane and N-isopropyl-N'-phenyl-p-phenylenediamine into a reaction device at a mass ratio of 1:1.5, and keep the reaction at a temperature of 90°C for 3 hours; after the reaction is completed, naturally cool the resulting components to 30°C, and then add an ethanol aqueous solution with a mass of 3 times that of γ-(2,3-epoxypropoxy)propyltrimethoxysilane and a concentration of 80%, mix and stir evenly, then raise the temperature to 50°C, and mechanically stir for 20 hours to obtain a mixed solution;

[0029] Step 2: Add the inorganic carrier into the mixed solution at a temperature of 60°C at a solid-liquid ratio of 0.02 g / mL, add 2-hydroxy-4-methoxy-5-sulfonic acid dibenzophenone in an amount of 0.06 times the mass of the mixed solution, mix and stir evenly, and then mechanically stir at a rate of 200 r / min for 5 hours under the protection of nitrogen; after the reaction is completed, separate the solid-liquid components of the obtained product, transfer the obtained filter cake into a vacuum drying equipment, and vacuum dry it at a temperature of 60°C, and the final product is the functional additive.

[0030] The preparation method of the inorganic carrier is as follows: zinc acetate is added into N,N-dimethylformamide at a dosage ratio of 3 mol / L, and the zinc acetate is evenly dispersed by ultrasonic dispersion for 10 minutes, and then N-(2-hydroxyethyl)piperazine-N'-2-ethane sulfonic acid in an amount equal to that of zinc acetate is added, and after mixing and stirring evenly, the resulting mixed solution is transferred into a hydrothermal reactor, and kept warm for reaction at a temperature of 140°C for 5 hours. After the reaction is completed, the resulting components are centrifuged and washed, and then the solid material obtained after washing is transferred into a vacuum drying oven and vacuum dried at a temperature of 60°C for 20 hours; after drying is completed, it is naturally cooled to room temperature, and the final product is the inorganic carrier.

[0031] A method for producing a rubber compound for an anti-fatigue gas diaphragm comprises the following steps:

[0032] Step 1, accurately weigh each raw material according to the formula amount, set the temperature of the internal mixer to 120°C, and then add nitrile rubber, trans-1,4-polyisoprene rubber, dioctyl phthalate, reinforcing agent, activator, processing aid, antioxidant and functional additives thereto in sequence, mix for 7 minutes and then discharge the material, and the obtained mixed rubber material is stored and reserved;

[0033] Step 2: Put the mixed rubber obtained in step 1 into an open mixer, refine for 4 minutes, and cool for 20 hours; after cooling, put it into an internal mixer and knead it at 95°C for 60 seconds;

[0034] Step 3: After kneading is completed, add the remaining raw materials into the internal mixer, continue to knead for 3 minutes, and finally calender out sheets to obtain the mixed rubber for anti-fatigue gas diaphragm.

[0035] Example 2

[0036] The production method of a rubber compound for an anti-fatigue gas diaphragm provided in this embodiment is basically the same as that in Example 1, except that the specific composition of the raw materials used and the preparation method of the functional additives are not completely the same, and the specific composition of the raw materials used in this embodiment and the preparation method of the functional additives are as follows:

[0037] A rubber compound for an anti-fatigue gas diaphragm is composed of the following raw materials in parts by weight: 100 parts of nitrile rubber, 20 parts of trans-1,4-polyisoprene rubber, 10 parts of dioctyl phthalate, 60 parts of a reinforcing agent, 4 parts of magnesium oxide, 6 parts of oleamide, 2.0 parts of an antioxidant 4020, 1.5 parts of an accelerator TMTD, 1.0 part of sulfur and 2.5 parts of a functional additive; wherein the reinforcing agent is compounded from spray carbon black, N330 carbon black and N550 carbon black in a mass ratio of 1:0.25:0.4.

[0038] The preparation method of the functional additive comprises the following steps:

[0039] Step 1, add γ-(2,3-epoxypropoxy)propyltrimethoxysilane and N-isopropyl-N'-phenyl-p-phenylenediamine into a reaction device at a mass ratio of 1:1.5, and keep the reaction at a temperature of 100°C for 5 hours; after the reaction is completed, naturally cool the resulting component to 35°C, and then add an ethanol aqueous solution with a mass of 4 times that of γ-(2,3-epoxypropoxy)propyltrimethoxysilane and a concentration of 85%, mix and stir evenly, then raise the temperature to 55°C, and mechanically stir for 25 hours to obtain a mixed solution;

[0040] Step 2: Add the inorganic carrier into the mixed solution at a temperature of 65°C at a solid-liquid ratio of 0.03 g / mL, add 2-hydroxy-4-methoxy-5-sulfonic acid dibenzophenone in an amount of 0.08 times the mass of the mixed solution, mix and stir evenly, and then mechanically stir at a rate of 300 r / min under the protection of nitrogen for 6 hours; after the reaction is completed, separate the obtained product components into solid and liquid, transfer the obtained filter cake into a vacuum drying device, and vacuum dry it at a temperature of 70°C, and the final product is a functional additive.

[0041] The preparation method of the inorganic carrier is as follows: zinc acetate is added into N,N-dimethylformamide at a dosage ratio of 4 mol / L, and the zinc acetate is evenly dispersed by ultrasonic dispersion for 15 minutes, and then N-(2-hydroxyethyl)piperazine-N'-2-ethane sulfonic acid with a molar amount of 1.5 times that of zinc acetate is added, and after mixing and stirring evenly, the obtained mixed solution is transferred to a hydrothermal reactor, and kept warm for reaction at a temperature of 150°C for 6 hours. After the reaction is completed, the obtained product components are centrifuged and washed, and then the solid material obtained after washing is transferred to a vacuum drying oven and vacuum dried at a temperature of 65°C for 20 hours; after drying is completed, it is naturally cooled to room temperature, and the final product is the inorganic carrier.

[0042] Example 3

[0043] The production method of a rubber compound for an anti-fatigue gas diaphragm provided in this embodiment is basically the same as that in Example 1, except that the specific composition of the raw materials used and the preparation method of the functional additives are not completely the same, and the specific composition of the raw materials used in this embodiment and the preparation method of the functional additives are as follows:

[0044] A rubber compound for an anti-fatigue gas diaphragm is composed of the following raw materials in parts by weight: 110 parts of nitrile rubber, 30 parts of trans-1,4-polyisoprene rubber, 15 parts of dioctyl phthalate, 80 parts of a reinforcing agent, 5 parts of zinc stearate, 8 parts of erucamide, 2.5 parts of an antioxidant DNP, 2.5 parts of an accelerator DM, 1.5 parts of benzoyl peroxide and 3 parts of a functional additive; wherein the reinforcing agent is compounded from spray carbon black, N330 carbon black and N550 carbon black in a mass ratio of 1:0.3:0.5.

[0045] The preparation method of the functional additive comprises the following steps:

[0046] Step 1, add γ-(2,3-epoxypropoxy)propyltrimethoxysilane and N-isopropyl-N'-phenyl-p-phenylenediamine into a reaction device at a mass ratio of 1:2.0, and keep the reaction at a temperature of 120°C for 6 hours; after the reaction is completed, naturally cool the resulting components to 40°C, and then add an ethanol aqueous solution with a mass of 5 times that of γ-(2,3-epoxypropoxy)propyltrimethoxysilane and a concentration of 90%, mix and stir evenly, then raise the temperature to 60°C, and mechanically stir for 30 hours to obtain a mixed solution;

[0047] Step 2: Add the inorganic carrier into the mixed solution at a temperature of 70°C at a solid-liquid ratio of 0.05g / mL, add 2-hydroxy-4-methoxy-5-sulfonic acid dibenzophenone in an amount 0.1 times the mass of the mixed solution, mix and stir evenly, and then mechanically stir at a rate of 350r / min for 8h under the protection of nitrogen; after the reaction is completed, separate the obtained product components into solid and liquid, transfer the obtained filter cake into a vacuum drying device, and vacuum dry it at a temperature of 80°C, and the final product is the functional additive.

[0048] The preparation method of the inorganic carrier is as follows: zinc acetate is added into N,N-dimethylformamide at a dosage ratio of 5 mol / L, and the zinc acetate is evenly dispersed by ultrasonic dispersion for 20 minutes, and then N-(2-hydroxyethyl)piperazine-N'-2-ethane sulfonic acid is added in a molar amount that is twice that of zinc acetate, and after mixing and stirring evenly, the resulting mixed solution is transferred into a hydrothermal reactor, and kept warm for reaction at a temperature of 160°C for 8 hours. After the reaction is completed, the resulting components are centrifuged and washed, and then the solid material obtained after washing is transferred into a vacuum drying oven and vacuum dried at a temperature of 70°C for 25 hours; after drying is completed, it is naturally cooled to room temperature, and the final product is the inorganic carrier.

[0049] Comparative Example 1: The main difference between this example and Example 1 is that an equal amount of inorganic carrier is used to replace the functional additive in this example.

[0050] Comparative Example 2: The main difference between this example and Example 1 is that in this example, 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone is not used in the process of preparing the functional additive.

[0051] Performance Testing

[0052] The relevant properties of the mixed rubber material samples produced in Examples 1 to 3 and Comparative Examples 1 to 2 were tested respectively, and the obtained test data were recorded in the following table:

[0053]

[0054]

[0055] By comparing and analyzing the relevant data in the table, it can be seen that the functional additive prepared by the present invention can effectively slow down the aging rate of the rubber compound for gas diaphragm, so that it has good mechanical properties and fatigue resistance for a considerable period of time, prolongs its service life to a certain extent, and also ensures its quality. In addition, the rubber compound material prepared by the present invention also has important applications in the manufacture of long-life dynamic fatigue products, giant engineering tires, and large thick products. This shows that the rubber compound for anti-fatigue gas diaphragm and its production method provided by the present invention have a broader market prospect and are more suitable for promotion.

[0056] In the description of this 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.

[0057] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rubber compound for anti-fatigue gas diaphragm, characterized in that: The invention is composed of the following raw materials in parts by weight: 90-110 parts of nitrile rubber, 15-30 parts of trans-1,4-polyisoprene rubber, 5-15 parts of dioctyl phthalate, 50-80 parts of reinforcing agent, 3-5 parts of activating agent, 5-8 parts of processing aid, 1.5-2.5 parts of antioxidant, 0.5-2.5 parts of accelerator, 0.5-1.5 parts of vulcanizing agent and 2-3 parts of functional additives.

2. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The reinforcing agent is compounded by spray carbon black, N330 carbon black and N550 carbon black in a mass ratio of 1:0.2-0.3:0.3-0.

5.

3. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The active agent is selected from any one of zinc oxide, magnesium oxide, zinc stearate, and zinc p-toluenesulfinate.

4. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The processing aid is selected from any one of wax powder, oleamide, erucamide, and ethylene bisstearamide.

5. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The antioxidant is selected from any one of antioxidant RD, antioxidant 4020, antioxidant DNP, and antioxidant MB.

6. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The accelerator is selected from any one of accelerator CZ, accelerator TMTD, accelerator DM and accelerator DZ.

7. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The vulcanizing agent is selected from any one of benzoyl peroxide and sulfur.

8. The rubber compound for anti-fatigue gas diaphragm according to claim 1, characterized in that: The preparation method of the functional additive comprises the following steps: Step 1, add γ-(2,3-epoxypropoxy)propyltrimethoxysilane and N-isopropyl-N'-phenyl-p-phenylenediamine into a reaction device at a mass ratio of 1:1.5-2.0, and keep the reaction at a temperature of 90-120°C for 3-6 hours; after the reaction is completed, naturally cool the resulting components to 30-40°C, and then add an ethanol aqueous solution with a mass of 3-5 times that of γ-(2,3-epoxypropoxy)propyltrimethoxysilane and a concentration of 80-90%, mix and stir evenly, raise the temperature to 50-60°C, and mechanically stir for 20-30 hours to obtain a mixed solution; Step 2: Add the inorganic carrier into a mixed solution at a temperature of 60 to 70° C. at a solid-liquid ratio of 0.02 to 0.05 g / mL, add 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone in an amount of 0.06 to 0.1 times the mass of the mixed solution, mix and stir evenly, and then mechanically stir the mixture at a rate of 200 to 350 r / min under the protection of nitrogen for 5 to 8 hours; after the reaction is completed, separate the obtained product components into solid and liquid, transfer the obtained filter cake into a vacuum drying device, and perform vacuum drying treatment on the filter cake at a temperature of 60 to 80° C., and the final product is a functional additive.

9. The rubber compound for anti-fatigue gas diaphragm according to claim 8, characterized in that: The preparation method of the inorganic carrier is as follows: zinc acetate is added into N,N-dimethylformamide at a dosage ratio of 3-5 mol / L, ultrasonically dispersed for 10-20 minutes to evenly disperse the zinc acetate, then N-(2-hydroxyethyl)piperazine-N'-2-ethane sulfonic acid is added in a molar amount of 1-2 times that of zinc acetate, mixed and stirred evenly, and then the obtained mixed solution is transferred into a hydrothermal reactor, and kept warm at a temperature of 140-160° C. for reaction for 5-8 hours, after the reaction is completed, the obtained product components are centrifuged and washed, and then the solid material obtained after washing is transferred into a vacuum drying oven, and vacuum dried at a temperature of 60-70° C. for 20-25 hours; after drying is completed, it is naturally cooled to room temperature, and the final product is the inorganic carrier.

10. A method for producing a rubber compound for an anti-fatigue gas diaphragm according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1, accurately weigh each raw material according to the formula amount, set the temperature of the internal mixer to 120-125° C., then add nitrile rubber, trans-1,4-polyisoprene rubber, dioctyl phthalate, reinforcing agent, activator, processing aid, antioxidant and functional additives thereto in sequence, mix for 7-12 minutes and then discharge the material, and the obtained mixed rubber material is stored and reserved; Step 2: Put the mixed rubber obtained in step 1 into an open mixer, refine for 4 to 7 minutes, and cool the sheet for 20 to 25 hours; after cooling, put it into an internal mixer and knead it at 95 to 100° C. for 60 to 100 seconds; Step 3: After kneading is completed, add the remaining raw materials into the internal mixer, continue to knead for 3 to 5 minutes, and finally calender out sheets to obtain the mixed rubber for anti-fatigue gas diaphragm.

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