Insulating-layer semiconductive shielding material for ethylene propylene rubber cable
A technology of ethylene propylene rubber and shielding material, which is applied in the field of cable shielding material and insulating layer semi-conductive shielding material for ethylene propylene rubber cable, can solve the problem that the insulating shielding layer has no peelability, poor ozone aging resistance, and chemical resistance. Poor performance and other problems, to achieve the effect of improving anti-reversion performance, good shielding performance and shortening mixing time
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Embodiment 1
[0029] Embodiment 1: according to the raw materials involved in the active ingredient of this ethylene-propylene rubber cable insulation layer semi-conductive shielding material formula and the proportioning by weight, get nitrile rubber, 60 parts, chlorinated polyethylene rubber, 40 parts, cable powder , 30 parts, magnesium oxide, 6 parts, acetylene carbon black, 50 parts, high wear-resistant carbon black, 15 parts, paraffin wax, 2.0 parts, antioxidant, 3 parts, dioctyl phthalate, 25 parts, rubber dispersion Agent, 0.6 parts, stearic acid, 3 parts, vulcanizing agent, 5 parts. After mixing the obtained nitrile rubber and chlorinated polyethylene rubber, enter the internal mixer for masticating, masticate for 3-4 minutes, add magnesium oxide, anti-aging agent, stearic acid, stearic acid, rubber dispersant for mixing , then add cable powder, acetylene carbon black, and high wear-resistant carbon black for mixing, then add dioctyl phthalate (added after fillers and reinforcing ag...
Embodiment 2
[0030] Embodiment 2: according to the raw material involved in the active ingredient of this ethylene-propylene rubber cable insulation layer semi-conductive shielding material formula and the proportioning by weight, get nitrile rubber, 65 parts, chlorinated polyethylene rubber, 35 parts, cable powder , 35 parts, magnesium oxide, 7 parts, acetylene carbon black, 60 parts, high wear-resistant carbon black, 20 parts, paraffin wax, 3.0 parts, antioxidant, 5 parts, dioctyl phthalate, 20 parts, polyethylene Wax 410P, 0.8 parts, stearic acid, 3.5 parts, vulcanizing agent, 6 parts. After mixing the nitrile rubber and chlorinated polyethylene rubber, put them into the internal mixer for mastication, mastication for 3-4 minutes, add magnesium oxide, anti-aging agent, stearic acid, stearic acid, polyethylene wax 410P for Mix, then add cable powder, acetylene carbon black, high wear-resistant carbon black for mixing, then add dioctyl phthalate (added after filler and reinforcing agent) ...
Embodiment 3
[0031] Embodiment 3: according to the raw material involved in the active ingredient of this ethylene-propylene rubber cable insulating layer semi-conductive shielding material formula and the weight ratio, get nitrile rubber N220S, 70 parts, chlorinated polyethylene rubber, 30 parts, cable Powder, 45 parts, magnesium oxide, 6.5 parts, acetylene carbon black, 55 parts, high wear-resistant carbon black, 25 parts, paraffin wax, 3.5 parts, antioxidant, 7 parts, dioctyl phthalate, 25 parts, poly Ethylene wax, 0.8 parts, stearic acid, 4 parts, vulcanizing agent, 6.5 parts. After mixing the obtained nitrile rubber N220S and chlorinated polyethylene rubber, enter the internal mixer for mastication, masticate for 3-4 minutes, add magnesium oxide, anti-aging agent, stearic acid, stearic acid, polyethylene wax for Mix, then add cable powder, acetylene carbon black, high wear-resistant carbon black for mixing, then add dioctyl phthalate (added after filler and reinforcing agent) for mixi...
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