Heat-resistant high-temperature vulcanized silicone rubber and preparation method thereof
A high-temperature vulcanization and high-temperature-resistant technology, which is applied in the field of silicone rubber compounds, can solve the problems of low comprehensive performance of rubber compounds, and achieve the effects of easy universal production and promotion, easy availability of raw materials, and low aging attenuation
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[0025] Example 1
[0026] Take 100 parts of raw rubber, 4 parts of hydroxy silicone oil, 0.4 parts of stearic acid, 2 parts of vinyl methyl dimethoxy silane, 20 parts of specific surface area of 150m 2 / g of white carbon black, after mixing uniformly, after heat treatment at 150℃ for 30min, add 5 parts of nanometer iron oxide, 15 parts of micron iron hydroxide, 2 parts of methyl phenyl silicone resin, 1 part of diphenyl silicon Diol, after banburying uniformly, heat treatment at 200℃ for 40min, vacuum for 1h, remove low molecular weight, and cool and discharge.
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[0027] Example 2
[0028] The previous steps are the same as in Example 1. After heat treatment, add 5 parts of nano-scale iron oxide, 10 parts of micron iron hydroxide, 2 parts of phenyl MQ silicone resin, 1 part of phenyl triethoxy silane, and heat treatment at 150°C after mixing uniformly 40min, vacuum for 1h, remove low molecules, cool and discharge.
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[0029] Example 3
[0030] The previous steps are the same as in Example 1. After heat treatment, add 5 parts of nano-sized cerium oxide, 15 parts of micro-sized silicon powder, 2 parts of phenyl MQ silicone resin, 1 part of phenyl triethoxysilane, and heat treatment at 150°C after banburying evenly. 40min, vacuum for 1h, remove low molecules, cool and discharge.
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