Silicon rubber insulation composite material, preparation method and purpose thereof
A technology of silicone rubber insulation and composite materials, which is applied in the direction of rubber insulators, insulators, organic insulators, etc., which can solve the problems of inability to balance electrical and mechanical properties, and failure to improve electrical properties such as arc resistance and breakdown resistance of silicone rubber materials.
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Embodiment 1
[0058] This embodiment provides a silicone rubber insulating composite material, including the following raw material components in parts by weight:
[0059] 100 parts of methyl vinyl silicone rubber, [Ca 0.8 Fe 0.17 Ce 0.03 (OH) 2 ](NO 3 ) 0.2 0.1H 2 30 parts of O, 10 parts of nano silicon spheres, 2 parts of vinyltrimethoxysilane, 1 part of 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane, 5 parts of methyl silicone oil , 4 parts of hydroxyl silicone oil and 1 part of hydrogen-containing silicone oil;
[0060] Among them, the methyl vinyl silicone rubber is composed of 50 parts of methyl vinyl silicone rubber with a vinyl molar content of 0.07% and 50 parts of methyl vinyl silicone rubber with a vinyl molar content of 0.30%; 50 The particle size is 50nm.
[0061] The preparation method of above-mentioned silicone rubber insulation composite material is as follows:
[0062] (1) Add silicone rubber, nano silicon balls and vinyl silane coupling agent into the internal mixe...
Embodiment 2
[0066] This embodiment provides a silicone rubber insulating composite material, including the following raw material components in parts by weight:
[0067] 105 parts of methyl vinyl silicone rubber, [Ca 0.8 Fe 0.17 Ce 0.03 (OH) 2 ](NO3 ) 0.2 0.1H 2 25 parts of O, 15 parts of nano silicon spheres, 1.5 parts of vinyltrimethoxysilane, 0.8 parts of 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane, 5 parts of methyl silicone oil , 4 parts of hydroxyl silicone oil and 1 part of hydrogen-containing silicone oil;
[0068] Among them, the methyl vinyl silicone rubber is composed of 35 parts of methyl vinyl silicone rubber with a vinyl molar content of 0.03% and 70 parts of methyl vinyl silicone rubber with a vinyl molar content of 0.2%; 50 The particle size is 30nm.
[0069] The preparation method of above-mentioned silicone rubber insulation composite material is as follows:
[0070] (1) Add silicone rubber, nano silicon balls and vinyl silane coupling agent into the kneader acc...
Embodiment 3
[0074] This embodiment provides a silicone rubber insulating composite material, including the following raw material components in parts by weight:
[0075] 115 parts of methyl vinyl silicone rubber, [Ca 0.8 Fe 0.17 Ce 0.03 (OH) 2 ](NO 3 ) 0.2 0.1H 2 35 parts of O, 5 parts of nano silicon spheres, 2.5 parts of vinyltrimethoxysilane, 1.5 parts of 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane, 5 parts of methyl silicone oil , 4 parts of hydroxyl silicone oil and 1 part of hydrogen-containing silicone oil;
[0076] Among them, the vinyl molar content of methyl vinyl silicone rubber is 0.25%; 50 The particle size is 100nm.
[0077] The preparation method of above-mentioned silicone rubber insulation composite material is as follows:
[0078] (1) Add silicone rubber, nano silicon balls and vinyl silane coupling agent into the internal mixer according to the formula, and mix at room temperature for 15 minutes;
[0079] (2) Add layered inorganic particles, vulcanizing agent...
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