Oil-proof rubber sheathing material for cable and preparation method thereof
A technology of oil-resistant rubber and sheath material, which is applied in the direction of insulating cables, rubber insulators, cables, etc., can solve the problems of not being able to meet market demand, poor flex resistance, etc., and achieve excellent oil resistance, good flame retardant effect, and smoke emission little effect
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Embodiment 1
[0024] The present invention provides an oil-resistant rubber sheath material for cables, the raw materials of which comprise in parts by weight:
[0025]
[0026] The preparation method of composite filler is as follows:
[0027] a. Weigh the white clay, pulverize and ball mill for 10 hours, then dry at 130°C, then calcinate at 550°C for 1 hour, cool to room temperature, add an appropriate amount of water to make a slurry with a concentration of 40-50%, and then add Adjust the pH of the slurry with a concentration of 10-15% hydrochloric acid solution to 4.0-5.0, then adjust the pH of the slurry with a concentration of 15-20% sodium hydroxide solution to neutral, and then add 2-3% sodium hexametaphosphate by weight of the slurry , 3-5% polyacrylic acid, 2-3% water-soluble silica sol, 1-2% hydroxyethyl cellulose and 0.5-1% ethylene glycol butyl ether acetate, high-speed grinding for 20-30 minutes, drying Dry, go through a 200-300 mesh sieve;
[0028] b. Add 1-2% of nano aluminum nit...
Embodiment 2
[0034] The present invention provides an oil-resistant rubber sheath material for cables, the raw materials of which comprise in parts by weight:
[0035]
[0036]
[0037] The preparation method of composite filler is as follows:
[0038] a. Weigh the white clay, pulverize and ball mill for 10 hours, then dry at 130°C, then calcinate at 550°C for 1 hour, cool to room temperature, add an appropriate amount of water to make a slurry with a concentration of 40-50%, and then add Adjust the pH of the slurry with a concentration of 10-15% hydrochloric acid solution to 4.0-5.0, then adjust the pH of the slurry with a concentration of 15-20% sodium hydroxide solution to neutral, and then add 2-3% sodium hexametaphosphate by weight of the slurry , 3-5% polyacrylic acid, 2-3% water-soluble silica sol, 1-2% hydroxyethyl cellulose and 0.5-1% ethylene glycol butyl ether acetate, high-speed grinding for 20-30 minutes, drying Dry, go through a 200-300 mesh sieve;
[0039] b. Add 1-2% of nano alu...
Embodiment 3
[0045] The present invention provides an oil-resistant rubber sheath material for cables, the raw materials of which comprise in parts by weight:
[0046]
[0047] The preparation method of composite filler is as follows:
[0048] a. Weigh the white clay, pulverize and ball mill for 10 hours, then dry at 130°C, then calcinate at 550°C for 1 hour, cool to room temperature, add an appropriate amount of water to make a slurry with a concentration of 40-50%, and then add Adjust the pH of the slurry with a concentration of 10-15% hydrochloric acid solution to 4.0-5.0, then adjust the pH of the slurry with a concentration of 15-20% sodium hydroxide solution to neutral, and then add 2-3% sodium hexametaphosphate by weight of the slurry , 3-5% polyacrylic acid, 2-3% water-soluble silica sol, 1-2% hydroxyethyl cellulose and 0.5-1% ethylene glycol butyl ether acetate, high-speed grinding for 20-30 minutes, drying Dry, go through a 200-300 mesh sieve;
[0049] b. Add 1-2% of nano aluminum nit...
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Abstract
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