Automobile engine fluorosilicone seal ring sizing material and preparation method thereof
A technology for automotive engines and sealing rings, applied in the field of synthetic rubber, can solve problems such as high labor intensity, low production efficiency, tearing and poor oil resistance, and achieve the effects of improving overall performance, reducing production costs, and improving production efficiency
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[0020] To prepare the fluorosilicone seal rubber compound for automobile engines, first weigh 75kg of fluorosilicone rubber, 22kg of styrene butadiene rubber, 5kg of methyl vinyl silicone rubber, 0.6kg of di-n-octyltin di-isooctyl mercaptoacetate, 5kg of zinc oxide, and hard Zinc fatty acid 0.8kg, triethylene glycol diisocaprylate 7kg, hydroxyfluorosilicone 0.6kg, paraffin 0.4kg, silane coupling agent KH-550 1.5kg, antioxidant AW 1.5kg, antioxidant 4010NA 0.2kg, modified Sepiolite 14kg, carbon black N330 35kg, modified iron tailings 15kg, rapeseed oil 22kg, vulcanizing agent BP0.6kg, accelerator TMTD0.6kg, accelerator M0.3kg, ferrocene 1.5kg, fatty alcohol polyoxygen 0.9kg of sodium vinyl ether sulfate, 0.9kg of diethanolamide,
[0021] The preparation method includes the following steps:
[0022] (1) Preparation of modified sepiolite:
[0023] First soak the sepiolite with 15-20% hydrochloric acid for 1-2 hours, wash with water until it is neutral, after drying, add the titanate...
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