A semi-conductive silicone rubber shielding material for mobile cables and its preparation method
A technology of shielding materials and silicone rubber, which is applied in the field of semi-conductive silicone rubber shielding materials for mobile cables and its preparation, cable shielding materials and its preparation, and can solve problems such as unstable product quality, high cost of shielding materials, and easy cracking , to avoid threats to health, prevent powder from flying, and reduce dosage
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Embodiment 1
[0047] A semi-conductive silicone rubber shielding material for mobile cables, comprising the following raw material components in parts by weight:
[0048] Silicone rubber 100 parts
[0049] Conductive carbon black 15 parts
[0050]White carbon black 3 parts
[0051] Dicumyl peroxide 0.5 parts
[0052] 5 parts of hydroxyl silicone oil;
[0053] The silicone rubber is methyl vinyl silicone rubber, dimethyl silicone rubber or methylphenyl vinyl silicone rubber; the conductive carbon black has an average particle size of less than 20nm and a specific resistance of 0.35Ω·cm.
Embodiment 2
[0055] A semi-conductive silicone rubber shielding material for mobile cables, comprising the following raw material components in parts by weight:
[0056] Silicone rubber 100 parts
[0057] Conductive carbon black 30 parts
[0058] White carbon black 8 parts
[0059] 2 parts dicumyl peroxide
[0060] 15 parts of hydroxyl silicone oil;
[0061] The silicone rubber is methyl vinyl silicone rubber, dimethyl silicone rubber or methylphenyl vinyl silicone rubber; the conductive carbon black has an average particle size of less than 20nm and a specific resistance of 0.50Ω·cm.
Embodiment 3
[0063] A semi-conductive silicone rubber shielding material for mobile cables, comprising the following raw material components in parts by weight:
[0064] Silicone rubber 100 parts
[0065] Conductive carbon black 22.5 parts
[0066] White carbon black 5.5 parts
[0067] Dicumyl peroxide 1.25 parts
[0068] 10 parts of hydroxyl silicone oil;
[0069] The silicone rubber is methyl vinyl silicone rubber, dimethyl silicone rubber or methylphenyl vinyl silicone rubber; the conductive carbon black has an average particle size of less than 20nm and a specific resistance of 0.425Ω·cm.
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