Polymeric crystalline silicon insulator material for direct-current power transmission as well as preparation method and application thereof
A technology for DC transmission and insulators, applied in organic insulators, plastic/resin/wax insulators, etc., can solve the problem that DC transmission insulators cannot have anti-fouling, electrical corrosion loss, corrosion resistance and anti-aging DC transmission insulators. Achieve the effect of improving processing flow properties and mold release properties, improving surface gloss, and reducing equipment wear
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[0027] Example 1:
[0028] Dilute 1kg of natural latex with water to a mass ratio of 60%, then pour it into 3kg of mature phenolic resin solution, stir to make it evenly mixed, and leave it at room temperature for 12 hours to prepare phenolic latex; take it after 60℃ for 24 hours 3kg of dried silicone, 0.3kg of UV absorber phenyl salicylate, 65kg of polyethylene and 15kg of polypropylene are blended with 0.2kg of phenolic latex and mixed with high-speed and high-temperature agitation to produce a mixture of raw materials. The mixing speed is 1500 rpm / Min, the temperature is 60°C, the weight average molecular weight of polypropylene and polyethylene are both 100,000 to 130,000, and the weight average molecular weight of silicone is 1,000-1200. Put the mixture raw materials into a clean drying barrel for drying, and the drying temperature is 70 ℃ into the dryer to dry for 5 minutes. Put the dried mixture into a granulator for extruding and granulating. The extrusion temperature i...
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[0029] Example 2:
[0030] Dilute 1.5 kg of natural latex with water to a mass ratio of 60%, then pour it into 3 kg of mature phenolic resin solution and stir to make it evenly mixed. Leave it at room temperature for 12 hours to obtain phenolic latex; 5.5kg of silicone, 0.45kg of ultraviolet light absorber UV-531, 72.5kg of polyethylene and 22.5kg of polypropylene and 0.5kg of phenolic latex, which have been dried for an hour, are blended with high-speed and high-temperature agitation to produce the mixture of raw materials. The mixing speed is 2000 revolutions per minute, temperature 85°C, the weight average molecular weight of polypropylene and polyethylene are both 140,000 to 180,000, and the weight average molecular weight of silicone is 1100-1400. Put the mixture raw materials into a clean drying barrel for drying, the drying temperature is 85 ℃ into the dryer to dry for 6.5 minutes. Put the dried mixture into a granulator for extruding and granulation. The extrusion temper...
Example Embodiment
[0031] Example 3:
[0032] Dilute 1.7 kg of natural latex with water to a mass ratio of 60%, then pour it into 3 kg of mature phenolic resin solution and stir to make it evenly mixed. Leave it at room temperature for 12 hours to obtain phenolic latex; 6.5kg of silicone, 0.5kg of ultraviolet light absorber UV-531, 78kg of polyethylene and 20kg of polypropylene and 0.7kg of phenolic latex, which have been dried for an hour, are blended with high-speed and high-temperature agitation to produce a mixture of raw materials. / Min, the temperature is 100°C, the weight average molecular weight of polypropylene and polyethylene is 120,000-150,000, and the weight average molecular weight of silicone is 1100-1400. Put the mixture raw materials into a clean drying barrel for drying, and the drying temperature is 80 ℃ into the dryer to dry for 8 minutes. Put the dried mixture into a granulator for extruding and granulating. The extrusion temperature is 200°C, the extrusion pressure is 20MPa, ...
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