Preparation method for rubber material applied to low-temperature protective sleeve with sponge used for oil inlet pipe of steering oil pump
A technology for steering oil pumps and sheath rubber materials, applied in the rubber field, can solve problems such as poor performance, easy aging, damage, etc., and achieve the effect of avoiding the use of anti-aging agents, excellent anti-oxidation performance and anti-aging performance
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Embodiment 1
[0014] The preparation method of a kind of sponge low-temperature sheath compound for oil inlet pipe of steering oil pump described in this embodiment, the specific steps are as follows: weigh each component according to the formula quantity, wherein: 100 parts by mass of nitrile rubber, 45 parts by mass of ethylene-propylene rubber , 68 parts by mass of reinforcing agent, 0.23 parts by mass of sulfur, 1.6 parts by mass of accelerator, 3.3 parts by mass of silane coupling agent, 12 parts by mass of plasticizer, 2.6 parts by mass of antioxidant; Plasticizing, then mixing and adding reinforcing agent for kneading to obtain blended rubber, adding sulfur, accelerator, silane coupling agent, plasticizer and antioxidant to the blended rubber and then vulcanizing, after vulcanizing, the desired Gum.
[0015] The vulcanization process is divided into two stages. In the first stage, the pressure is controlled at 23MPa, the temperature is 175°C, and the time is 13 minutes; the pressure ...
Embodiment 2
[0023] The preparation method of a kind of sponge low-temperature sheath compound for oil inlet pipe of steering oil pump described in this embodiment, the specific steps are as follows: weigh each component according to the formula quantity, wherein: 100 parts by mass of nitrile rubber, 56 parts by mass of ethylene-propylene rubber , 90 parts by mass of reinforcing agent, 0.22 parts by mass of sulfur, 1.6 parts by mass of accelerator, 4.2 parts by mass of silane coupling agent, 14 parts by mass of plasticizer, 3.5 parts by mass of antioxidant; Plasticizing, then mixing and adding reinforcing agent for kneading to obtain blended rubber, adding sulfur, accelerator, silane coupling agent, plasticizer and antioxidant to the blended rubber and then vulcanizing, after vulcanizing, the desired Gum.
[0024] The vulcanization process is divided into two stages. In the first stage, the control pressure is 24MPa, the temperature is 183°C, and the time is 14min; the pressure of the seco...
Embodiment 3
[0032] The preparation method of a kind of sponge low-temperature sheath compound for oil inlet pipe of steering oil pump described in this embodiment, the specific steps are as follows: weigh each component according to the formula quantity, wherein: 100 parts by mass of nitrile rubber, 45 parts by mass of ethylene-propylene rubber , 88 parts by mass of reinforcing agent, 0.28 parts by mass of sulfur, 1.2 parts by mass of accelerator, 4.8 parts by mass of silane coupling agent, 14 parts by mass of plasticizer, 2.2 parts by mass of antioxidant; Plasticizing, then mixing and adding reinforcing agent for kneading to obtain blended rubber, adding sulfur, accelerator, silane coupling agent, plasticizer and antioxidant to the blended rubber and then vulcanizing, after vulcanizing, the desired Gum.
[0033] The vulcanization process is divided into two stages. In the first stage, the pressure is controlled at 24MPa, the temperature is 172°C, and the time is 11 minutes; the pressure ...
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Abstract
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