A kind of oil-resistant rubber sealing ring material and preparation method thereof
A rubber sealing ring, oil-resistant technology, applied in the field of oil-resistant rubber sealing ring materials and its preparation, can solve the problems of short service life, low heat-resistant tensile strength, low heat generation, etc., and achieve low price, good oil resistance, The effect of enhancing the internal binding force
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Embodiment 1
[0017] Embodiment 1: oil-resistant rubber sealing ring material, the weight parts (kg) of its composition raw materials are: chloroprene rubber CR244298, light carbon black AB77025, antioxidant MB3.5, dicumyl peroxide 1.0, phenyl triphenyl Ethoxysilane 3.8, antioxidant 10352.0, modified iron ore tailings 5.0, propylene glycol sebacate polyester 1.2, and flat plus O2.5.
[0018] The preparation method of oil-resistant rubber sealing ring material comprises the following steps:
[0019] (1) Preparation of modified iron ore tailings:
[0020] a: Weigh 12kg of iron ore tailings, 4.0kg of clay, 2.5kg of aluminum nitride powder, 4.5kg of attapulgite, and 7kg of zinc oxide, mix them evenly and sinter for 1-2 hours, control the temperature at 620°C, and pulverize for use;
[0021] b: Add the pulverized mixture in the above step (a) to soak in absolute ethanol solution for 3 hours, remove it, and dry it at 50°C;
[0022] c: Add 3.0kg of aminopropyltriethoxysilane, 4.5kg of terephthal...
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