Crosslinking polyethylene insulating plastic for electric power cable
A cross-linked polyethylene and power cable technology, applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problem that polyethylene does not have processing fluidity
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Embodiment 1
[0019] Plastic formulation: (parts by weight)
[0020] Polyethylene 100 parts;
[0021] 1 part of 2,5-dimethyl-2,5 bis(tert-butylperoxy)hexyne;
[0022] Dilauryl thiodipropionate 2 parts;
[0023] Clay 20 parts.
[0024] The polyethylene resin is pretreated and dried to a water content of less than 500ppm, then fully mixed with 2,5-dimethyl-2,5 bis(tert-butylperoxy)hexyne, dilauryl thiodipropionate, and clay, and then put into extrusion The extruder is extruded and granulated at 100°C, and the finished product after granulation is dried until the moisture content is less than 200ppm, and stored in a purified packaging bag.
[0025] serial number
[0026] The above data meet the requirements of GB / T11017 2002 for insulating materials.
Embodiment 2
[0028] Polyethylene 100 parts;
[0029] 1.2 parts of 2,5-dimethyl-2,5 bis(tert-butylperoxy)hexane;
[0030] 2 parts of distearyl thiodipropionate;
[0031] Talcum powder 8 parts.
[0032] The filler is ultrafine talcum powder (less than 50nm, treated with coupling agent), polyethylene resin is pretreated and dried to a moisture content of less than 500ppm, and then mixed with 2,5-dimethyl-2,5 bis(tert-butyl peroxy ) hexane, distearyl thiodipropionate, and talcum powder are fully mixed, and then enter the extruder to extrude and granulate at 140°C. After granulation, the finished product is dried until the moisture content is less than 200ppm, and stored in a purified packaging bag Inside.
[0033] serial number
[0034] The above data meet the requirements of GB / T11017 2002 for insulating materials.
Embodiment 3
[0036] Polyethylene 100 parts;
[0037] 1.2 parts of 2,5-dimethyl-2,5 bis(tert-butylperoxy)hexane;
[0038] 2 parts of distearyl thiodipropionate;
[0039] The filler is ultrafine talcum powder (less than 50nm, treated with coupling agent), polyethylene resin is pretreated and dried to a moisture content of less than 500ppm, and then mixed with 2,5-dimethyl-2,5 bis(tert-butyl peroxy ) hexane, distearyl thiodipropionate, and talcum powder are fully mixed, and then enter the extruder to extrude and granulate at 140°C. After granulation, the finished product is dried until the moisture content is less than 200ppm, and stored in a purified packaging bag Inside.
[0040] serial number
[0041] The above data meet the requirements of GB / T11017 2002 for insulating materials.
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Abstract
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