CN109082100B - High-performance generator shock pad and preparation method thereof - Google Patents
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Abstract
The invention discloses a high-performance generator shock pad, which relates to the technical field of electric generator shock absorption and is prepared from the following raw materials in parts by weight: 40-50 parts of nitrile rubber, 40-50 parts of polyurethane rubber, 1-3 parts of stearic acid, 1-3 parts of dioctyl adipate, 2-6 parts of zinc oxide, 1-2 parts of carbon fiber, 6-10 parts of diatomite, 8-12 parts of microcrystalline cellulose, 6-10 parts of white carbon black, 2-4 parts of a vulcanizing agent, 3-5 parts of palm wax, 2-5 parts of microcrystalline wax and 2-4 parts of an anti-aging agent. The product prepared by the formula has excellent mechanical property, wear resistance, aging resistance and long service life.
Description
Technical Field
The invention relates to the technical field of electric power generator damping, in particular to a high-performance generator damping pad and a preparation method thereof.
Background
Because the power of the generator adopted at present is bigger, vibration and noise are also very big, and the use of shock pad is indispensable, and the shock absorber that generator damping material utilized rubber material and framework material complex to make or special rubber viscoelasticity high damping material dispels the vibration impact and the absorbed noise of vibration source at present, because the generator work produces the heat great, require that the shock pad of generator is with rubber extremely has high strength, high elongation, high wear resistance, high temperature resistant. The prior art improves the shock absorption pad material to improve the shock absorption performance and the service life of the material.
Chinese patent publication No. CN105367832B discloses a rubber for a generator shock pad, which comprises the following raw materials: natural rubber, DBD, 100-mesh zinc oxide, stearic acid, CTP, spray carbon black, DCP, bismaleimide, TMTD and CZ, m-phenylenediamine and bisphenol A type epoxy resin; said system
The preparation process comprises premixing, mixing and vulcanizing, wherein the rubber material is fully activated by mixing, the heat resistance, aging resistance and deformation resistance of the rubber material are improved, m-phenylenediamine and bismaleimide are premixed before vulcanization, the toughness of the bismaleimide is increased, then bisphenol A type epoxy resin is added to the m-phenylenediamine to be compatible and penetrated, the shear strength and the aging resistance of the rubber are improved, the vulcanization speed and the scorch resistance are further improved by adding CZ and TMTD, and finally the obtained rubber has good breaking strength, breaking elongation and proper hardness, excellent high temperature resistance and good damping effect. Chinese patent publication No. CN106995537A discloses a generator rubber shock pad and a preparation method thereof. The shock pad is prepared from the following raw materials in parts by weight: 60-70 parts of natural rubber, 20-30 parts of ethylene propylene diene monomer, 10-20 parts of tetrafluoroethylene-hexafluoropropylene copolymer, 5-10 parts of boron fiber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 1-3 parts of anti-aging agent RD, 1-3 parts of anti-aging agent 4010NA, 10-15 parts of white carbon black, 10-15 parts of attapulgite, 30-50 parts of light calcium carbonate, 3-6 parts of chlorinated paraffin, 20-30 parts of liquid coumarone, 1-3 parts of bis-penta vulcanizing agent, 2-8 parts of silane coupling agent, 0.1-1 part of accelerator TBTD and 0.2-0.5 part of accelerator M.
In both the two inventions, natural rubber is compounded with other rubber, and other additives are added to improve various performances of the rubber, but the mechanical performance and the heat resistance of the natural rubber are lower, and the improvement effect after compounding is not ideal.
Disclosure of Invention
In view of the above, the invention aims to provide a high-performance generator damping pad, aiming at the defects of the prior art, and the prepared product has excellent mechanical properties, wear resistance and aging resistance by improving the formula and the preparation method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-performance generator shock pad is prepared from the following raw materials in parts by weight: 40-50 parts of nitrile rubber, 40-50 parts of polyurethane rubber, 1-3 parts of stearic acid, 1-3 parts of dioctyl adipate, 2-6 parts of zinc oxide, 1-2 parts of carbon fiber, 6-10 parts of diatomite, 8-12 parts of microcrystalline cellulose, 6-10 parts of white carbon black, 2-4 parts of a vulcanizing agent, 3-5 parts of palm wax, 2-5 parts of microcrystalline wax and 2-4 parts of an anti-aging agent.
Further, the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tert-butyl-2-benzothiazole sulfonamide according to the weight ratio of 2-3: 1: 1 are compounded.
Further, the anti-aging agent is an anti-aging agent MB and an anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
Further, the shockproof pad is prepared from the following raw materials in parts by weight: 45 parts of nitrile rubber, 45 parts of polyurethane rubber, 2 parts of stearic acid, 2.0 parts of dioctyl adipate, 4 parts of zinc oxide, 1.5 parts of carbon fiber, 9 parts of diatomite, 11 parts of microcrystalline cellulose, 7 parts of white carbon black, 3 parts of vulcanizing agent, 3 parts of palm wax, 3 parts of microcrystalline wax and 3.5 parts of anti-aging agent.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 10-15min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 3-5min, and then adding an anti-aging agent for internal mixing for 3-5min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed materials in an open mill, carrying out hot refining for 3-5min, then adding a vulcanizing agent, continuing to carry out hot refining for 3-5min, thinly passing for 3-5 times, and taking out the mixed materials;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Further, the banburying temperature in the step (1) is 100-120 ℃.
Further, the temperature of the hot refining in the step (2) is 70-80 ℃.
Furthermore, the vulcanization temperature in the step (3) is 150-.
The invention has the beneficial effects that:
1. the invention discloses a high-performance generator shock pad, and the prepared product has the Shore hardness of 65-76 degrees, the tensile strength of 21-29MPa, the elongation at break of 635-650 percent, and the wear resistance and abrasion value of 0.07-0.13cm through improving the formula and the preparation method31.61Km, and after passing through hot air at 150 ℃ for 500h, the performance is relatively stable, namely the product has excellent mechanical performance, wear resistance, aging resistance and long service life.
2. The shockproof pad provided by the invention is prepared by mixing nitrile rubber and polyurethane rubber, wherein the nitrile rubber has better oil resistance, wear resistance and heat resistance, and strong bonding force, but the elasticity is low; the rubber is blended with polyurethane rubber, so that the elasticity of the product can be improved, the shock resistance can be improved, and the wear resistance and the aging resistance can be further improved.
3. Stearic acid, dioctyl adipate and zinc oxide are used as composite activators, so that the crosslinking degree and heat resistance of rubber are facilitated to be provided; the diatomite, the microcrystalline cellulose, the white carbon black and the carbon fiber are added as reinforcing materials, the carbon fiber can greatly enhance the crosslinking strength of the rubber, the specific surface area of the diatomite and the microcrystalline cellulose is large, the heat resistance of the product can be improved, and the white carbon black with high activity can be crosslinked and combined with the rubber to improve the oil resistance.
The palm wax and the microcrystalline wax are also added, and can migrate to the surface of the rubber during mixing to form a protective film, so that the protective film has the functions of protection and ageing resistance; in addition, the vulcanizing agent is a dicumyl peroxide, tetramethylthiuram disulfide and N-tert-butyl-2-benzothiazole sulfonamide composite vulcanizing agent, and the product has high crosslinking density and excellent mechanical property. The anti-aging agent is the anti-aging agent MB and the anti-aging agent 445 which are used in a matching way, and the advantages are complementary, so that the vulcanized rubber has better air heat aging resistance.
4. According to the method, the adding sequence of the raw materials is limited during banburying, so that the rubber material can be dispersed more uniformly in the banburying process, and the mechanical property of a final product is improved.
Detailed Description
The invention is further described with reference to specific examples.
Example 1
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 40 parts of nitrile rubber, 50 parts of polyurethane rubber, 1 part of stearic acid, 3 parts of dioctyl adipate, 2 parts of zinc oxide, 2 parts of carbon fiber, 6 parts of diatomite, 8 parts of microcrystalline cellulose, 10 parts of white carbon black, 2 parts of a vulcanizing agent, 5 parts of palm wax, 2 parts of microcrystalline wax and 2 parts of an anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 2: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 10min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 3min, and then adding an anti-aging agent for internal mixing for 5min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 4min, then adding a vulcanizing agent, continuing to carry out hot refining for 4min, thinly passing for 4 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 100 ℃; the smelting temperature in the step (2) is 70 ℃; the vulcanization temperature in the step (3) is 150 ℃, the pressure is 25MPa, and the vulcanization time is 7 min.
Example 2
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 42 parts of nitrile rubber, 48 parts of polyurethane rubber, 1.5 parts of stearic acid, 2.8 parts of dioctyl adipate, 2.5 parts of zinc oxide, 1.8 parts of carbon fiber, 7 parts of diatomite, 9 parts of microcrystalline cellulose, 9 parts of white carbon black, 2.5 parts of vulcanizing agent, 4.5 parts of palm wax, 3 parts of microcrystalline wax and 2.5 parts of anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 2.2: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 11min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 3min, and then adding an anti-aging agent for internal mixing for 5min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 3min, then adding a vulcanizing agent, continuing to carry out hot refining for 3min, thinly passing for 3 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 100 ℃; the smelting temperature in the step (2) is 70 ℃; the vulcanization temperature in the step (3) is 150 ℃, the pressure is 22MPa, and the vulcanization time is 8 min.
Example 3
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 43 parts of nitrile rubber, 46 parts of polyurethane rubber, 2 parts of stearic acid, 2.5 parts of dioctyl adipate, 3 parts of zinc oxide, 1.6 parts of carbon fiber, 8 parts of diatomite, 10 parts of microcrystalline cellulose, 8 parts of white carbon black, 3 parts of vulcanizing agent, 4 parts of palm wax, 4 parts of microcrystalline wax and 3 parts of anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 2.5: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 12min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 3min, and then adding an anti-aging agent for internal mixing for 5min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 3min, then adding a vulcanizing agent, continuing to carry out hot refining for 5min, thinly passing for 3 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 100 ℃; the smelting temperature in the step (2) is 70 ℃; the vulcanization temperature in the step (3) is 150 ℃, the pressure is 22MPa, and the vulcanization time is 9 min.
Example 4
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 45 parts of nitrile rubber, 45 parts of polyurethane rubber, 2.5 parts of stearic acid, 2.0 parts of dioctyl adipate, 3.5 parts of zinc oxide, 1.5 parts of carbon fiber, 9 parts of diatomite, 11 parts of microcrystalline cellulose, 7 parts of white carbon black, 3 parts of vulcanizing agent, 3 parts of palm wax, 4 parts of microcrystalline wax and 3.5 parts of anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 2.5: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 13min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 4min, and then adding an anti-aging agent for internal mixing for 4min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 4min, then adding a vulcanizing agent, continuing to carry out hot refining for 5min, thinly passing for 4 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 110 ℃; the smelting temperature in the step (2) is 75 ℃; the vulcanization temperature in the step (3) is 155 ℃, the pressure is 20MPa, and the vulcanization time is 10 min.
Example 5
Example 5 differs from example 4 in that:
a high-performance generator shock pad is prepared from the following raw materials in parts by weight: 45 parts of nitrile rubber, 45 parts of polyurethane rubber, 2 parts of stearic acid, 2.0 parts of dioctyl adipate, 4 parts of zinc oxide, 1.5 parts of carbon fiber, 9 parts of diatomite, 11 parts of microcrystalline cellulose, 7 parts of white carbon black, 3 parts of vulcanizing agent, 3 parts of palm wax, 3 parts of microcrystalline wax and 3.5 parts of anti-aging agent.
That is, in example 5, the weight ratio of stearic acid, dioctyl adipate and zinc oxide is 1: 1: 2, the weight ratio of the palm wax to the microcrystalline wax is 1: 1.
example 6
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 46 parts of nitrile rubber, 42 parts of polyurethane rubber, 3 parts of stearic acid, 1.8 parts of dioctyl adipate, 5 parts of zinc oxide, 1 part of carbon fiber, 10 parts of diatomite, 12 parts of microcrystalline cellulose, 6 parts of white carbon black, 3.5 parts of a vulcanizing agent, 3 parts of palm wax, 5 parts of microcrystalline wax and 4 parts of an anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 2: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 14min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 4min, and then adding an anti-aging agent for internal mixing for 3min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 3min, then adding a vulcanizing agent, continuing to carry out hot refining for 5min, thinly passing for 4 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 110 ℃; the smelting temperature in the step (2) is 75 ℃; the vulcanization temperature in the step (3) is 155 ℃, the pressure is 18MPa, and the vulcanization time is 11 min.
Example 7
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 48 parts of nitrile rubber, 40 parts of polyurethane rubber, 2.5 parts of stearic acid, 1.5 parts of dioctyl adipate, 6 parts of zinc oxide, 1.5 parts of carbon fiber, 6 parts of diatomite, 8 parts of microcrystalline cellulose, 6 parts of white carbon black, 4 parts of vulcanizing agent, 4 parts of palm wax, 2 parts of microcrystalline wax and 2 parts of anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 3: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 15min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 5min, and then adding an anti-aging agent for internal mixing for 3min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 5min, then adding a vulcanizing agent, continuing to carry out hot refining for 5min, thinly passing for 4 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 120 ℃; the smelting temperature in the step (2) is 80 ℃; the vulcanization temperature in the step (3) is 160 ℃, the pressure is 16MPa, and the vulcanization time is 7 min.
Example 8
A high-performance generator shock pad is prepared from the following raw materials in parts by weight: 50 parts of nitrile rubber, 45 parts of polyurethane rubber, 3 parts of stearic acid, 1 part of dioctyl adipate, 4 parts of zinc oxide, 1 part of carbon fiber, 7 parts of diatomite, 9 parts of microcrystalline cellulose, 10 parts of white carbon black, 4 parts of a vulcanizing agent, 5 parts of palm wax, 3 parts of microcrystalline wax and 3 parts of an anti-aging agent.
Wherein the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tertiary butyl-2-benzothiazole sulfonamide according to the weight ratio of 2: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
A preparation method of a high-performance generator shock pad comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 15min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 5min, and then adding an anti-aging agent for internal mixing for 5min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed material in an open mill, carrying out hot refining for 3min, then adding a vulcanizing agent, continuing to carry out hot refining for 3min, thinly passing for 4 times, and discharging;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
Wherein the banburying temperature in the step (1) is 120 ℃; the smelting temperature in the step (2) is 80 ℃; the vulcanization temperature in the step (3) is 160 ℃, the pressure is 15MPa, and the vulcanization time is 8 min.
Comparative example 1
Comparative example 1 is substantially the same as example 8 except that: the dioctyl adipate and the zinc oxide in example 8 were both replaced by stearic acid as follows:
a high-performance generator shock pad is prepared from the following raw materials in parts by weight: 50 parts of nitrile rubber, 45 parts of polyurethane rubber, 8 parts of stearic acid, 1 part of carbon fiber, 7 parts of diatomite, 9 parts of microcrystalline cellulose, 10 parts of white carbon black, 4 parts of a vulcanizing agent, 5 parts of palm wax, 3 parts of microcrystalline wax and 3 parts of an anti-aging agent.
Comparative example 2
Comparative example 2 differs from example 8 in that: the vulcanizing agent in the embodiment is dicumyl peroxide, and other raw materials and processes are the same as those in the embodiment 8.
Performance detection
The physical properties of the products prepared in examples 1-8 and comparative examples 1-2 were tested, wherein tensile properties and hardness were determined according to GB/T528-2009 and GB/T531.1-2008, respectively, and abrasion resistance was characterized by the Akron abrasion value, and the test results are shown in Table 1.
Table 1 performance test data
The products prepared in the embodiments 1-8 of the invention have the Shore hardness of 65-76 degrees, the tensile strength of 21-29MPa, the elongation at break of 635-650 percent and the wear resistance and abrasion value of 0.07-0.13cm3The tensile elongation and tensile strength change less after passing through hot air at 150 ℃ for 500h, which shows that the product prepared by the method has excellent wear resistance and aging resistance.
Example 5 differs from example 4 in that the weight ratio of stearic acid, dioctyl adipate and zinc oxide in example 5 is 1: 1: 2, the weight ratio of the palm wax to the microcrystalline wax is 1: 1, the other formulation and process are the same as those of example 4, and the performance of example 5 is better than that of example 4, which shows that the ratio of the activator and the ratio of the palm wax and the microcrystalline wax are better in example 5.
In comparative example 1, dioctyl adipate and zinc oxide in example 8 are replaced by stearic acid, in comparative example 2, a vulcanizing agent is dicumyl peroxide, and in other formula and processes, the performance of the vulcanizing agent is the same as that of example 8, but in comparative examples 1 and 2, the performance is lower than that of example 8, and the fact that the vulcanizing agent and the activator adopted in the application can synergistically improve the performance of the product is demonstrated.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a high performance generator shock pad which characterized in that: the feed is prepared from the following raw materials in parts by weight: 40-50 parts of nitrile rubber, 40-50 parts of polyurethane rubber, 1-3 parts of stearic acid, 1-3 parts of dioctyl adipate, 2-6 parts of zinc oxide, 1-2 parts of carbon fiber, 6-10 parts of diatomite, 8-12 parts of microcrystalline cellulose, 6-10 parts of white carbon black, 2-4 parts of a vulcanizing agent, 3-5 parts of palm wax, 2-5 parts of microcrystalline wax and 2-4 parts of an anti-aging agent;
the vulcanizing agent is dicumyl peroxide, tetramethyl thiuram disulfide and N-tert-butyl-2-benzothiazole sulfonamide according to the weight ratio of 2-3: 1: 1, compounding; the anti-aging agent is prepared from anti-aging agent MB and anti-aging agent 445 in a weight ratio of 1: 1 are mixed.
2. The high performance generator snubber pad of claim 1, wherein: the shockproof pad is prepared from the following raw materials in parts by weight: 45 parts of nitrile rubber, 45 parts of polyurethane rubber, 2 parts of stearic acid, 2.0 parts of dioctyl adipate, 4 parts of zinc oxide, 1.5 parts of carbon fiber, 9 parts of diatomite, 11 parts of microcrystalline cellulose, 7 parts of white carbon black, 3 parts of vulcanizing agent, 3 parts of palm wax, 3 parts of microcrystalline wax and 3.5 parts of anti-aging agent.
3. The preparation method of the high-performance generator shock pad of claim 1, wherein the method comprises the following steps: the method comprises the following steps:
(1) adding nitrile rubber, polyurethane rubber, stearic acid, dioctyl adipate and zinc oxide into an internal mixer for internal mixing for 10-15min, then adding carbon fiber, diatomite, microcrystalline cellulose and white carbon black for internal mixing for 3-5min, and then adding an anti-aging agent for internal mixing for 3-5min to obtain a mixed material;
(2) adding the palm wax and the microcrystalline wax into the mixed materials in an open mill, carrying out hot refining for 3-5min, then adding a vulcanizing agent, continuing to carry out hot refining for 3-5min, thinly passing for 3-5 times, and taking out the mixed materials;
(3) and vulcanizing and molding the rubber sheet on a vulcanizing agent to obtain the product.
4. The preparation method of the high-performance generator damping pad according to claim 3, wherein the preparation method comprises the following steps: the banburying temperature in the step (1) is 100-120 ℃.
5. The preparation method of the high-performance generator damping pad according to claim 3, wherein the preparation method comprises the following steps: the temperature of the hot refining in the step (2) is 70-80 ℃.
6. The preparation method of the high-performance generator damping pad according to claim 3, wherein the preparation method comprises the following steps: the vulcanization temperature in the step (3) is 150-.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376723A (en) * | 1988-10-07 | 1994-12-27 | Firma Carl Freudenberg | Thermoplastic polyurethane elastomer blend and process for its manufacture |
| CN104086980A (en) * | 2014-06-20 | 2014-10-08 | 广州机械科学研究院有限公司 | Oil-resistant low-temperature-resistant weather-proof rubber sealing material and preparation method and application thereof |
| CN106674644A (en) * | 2016-11-24 | 2017-05-17 | 中国科学院长春应用化学研究所 | Super wear-resistant water-lubricated bearing composite material and preparation method thereof |
| CN107033412A (en) * | 2017-05-27 | 2017-08-11 | 安徽誉林汽车部件有限公司 | A kind of damper top glue formula |
-
2018
- 2018-06-29 CN CN201810698217.2A patent/CN109082100B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376723A (en) * | 1988-10-07 | 1994-12-27 | Firma Carl Freudenberg | Thermoplastic polyurethane elastomer blend and process for its manufacture |
| CN104086980A (en) * | 2014-06-20 | 2014-10-08 | 广州机械科学研究院有限公司 | Oil-resistant low-temperature-resistant weather-proof rubber sealing material and preparation method and application thereof |
| CN106674644A (en) * | 2016-11-24 | 2017-05-17 | 中国科学院长春应用化学研究所 | Super wear-resistant water-lubricated bearing composite material and preparation method thereof |
| CN107033412A (en) * | 2017-05-27 | 2017-08-11 | 安徽誉林汽车部件有限公司 | A kind of damper top glue formula |
Non-Patent Citations (1)
| Title |
|---|
| 耐热性橡胶配合技巧（上）;陆迎赓等;《橡塑技术与装备》;20050831;第31卷(第8期);第13-18页 * |
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