Rubber sheath for automobiles
A technology for rubber sheaths and automobiles, applied in the field of sealing materials, can solve the problems of rubber sheaths such as aging, deformation, and damage, and achieve the effects of good elasticity, long service life, and low production costs
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Embodiment 1
[0016] The automobile rubber sheath of this embodiment is prepared from the following raw materials in parts by weight: 60 parts of natural rubber, 16 parts of stearic acid, 5 parts of antioxidant, 2 parts of polyvinyl chloride, 15 parts of methyl silicone oil, 3 parts of carbon black 5 parts, 5 parts of pine tar, 1 part of triethanolamine, 3 parts of nanometer titanium dioxide; The mass ratio to p-phenylenediamine is 1:1.
[0017] The preparation method is as follows: Weigh each raw material according to the above parts by weight, mix natural rubber, stearic acid, anti-aging agent, methyl silicone oil, carbon black, pine tar, and nano-titanium dioxide evenly, control the temperature at 80°C, and perform a mixing 20 minutes, then transfer to an open mill, add triethanolamine, control the temperature at 60°C, and knead for 5 minutes for the second time, lamination and glue out to obtain a finished product.
Embodiment 2
[0019] The rubber sheath for automobiles in this embodiment is prepared from the following raw materials in parts by weight: 70 parts of natural rubber, 13 parts of stearic acid, 10 parts of anti-aging agent, 5 parts of polyvinyl chloride, 10 parts of methyl silicone oil, and 7 parts of carbon black 8 parts, 8 parts of pine tar, 3 parts of triethanolamine, 6 parts of nano-titanium dioxide; The mass ratio to p-phenylenediamine is 1:1.
[0020] The preparation method is as follows: Weigh the raw materials according to the above parts by weight, mix the natural rubber, stearic acid, anti-aging agent, methyl silicone oil, carbon black, pine tar, and nano-titanium dioxide evenly, control the temperature at 85°C, and perform a mixing 15 minutes, then transfer to an open mill, add triethanolamine, control the temperature at 65°C, and knead for 3 minutes for the second time, and laminate the sheets to get the finished product.
Embodiment 3
[0022] The automobile rubber sheath of this embodiment is prepared from the following raw materials in parts by weight: 80 parts of natural rubber, 10 parts of stearic acid, 15 parts of anti-aging agent, 8 parts of polyvinyl chloride, 20 parts of methyl silicone oil, and 12 parts of carbon black. 12 parts, 12 parts of pine tar, 5 parts of triethanolamine, 1 part of nanometer titanium dioxide; The mass ratio to p-phenylenediamine is 1:1.
[0023] The preparation method is as follows: Weigh the raw materials according to the above parts by weight, mix the natural rubber, stearic acid, anti-aging agent, methyl silicone oil, carbon black, pine tar, and nano-titanium dioxide evenly, control the temperature at 78°C, and perform a mixing 20 minutes, then transfer to an open mill, add triethanolamine, control the temperature at 65°C, and knead for a second time for 5 minutes, lamination and glue out to obtain a finished product.
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