Black aerial insulated cable and preparing method thereof
一种架空绝缘电缆、绝缘电缆的技术,应用在绝缘电缆、绝缘导体、缆等方向,能够解决差距大等问题,达到绝缘电阻高、改进耐环境应力龟裂与耐热老化性能、保持电气性能的效果
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Embodiment 1
[0040] Insulating material for black overhead insulated cables, the insulating material is prepared from the following components by weight percentage:
[0041]
[0042] The two-step method for preparing insulating materials for black overhead insulated cables mainly consists of two parts, one is the preparation of catalyst masterbatch, and the other is the preparation of finished products.
[0043] 1) Preparation of catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, antioxidant DLTP, fluororubber masterbatch, black masterbatch;
[0044] Stir the above materials in the mixer, first stir at low speed for 1 minute and then at high speed for 3 minutes, then release and pour into the hopper of the extruder. After being blown dry by a fan, the pellets are cut into pellets. The pellets are dried in a drying tower at 80°C for more than 2 hours, and then packed in vacuum aluminum-plastic bags for temporary storage.
[0045] 2) Finished product prepara...
Embodiment 2
[0055] Insulating material for black overhead insulated cables, the insulating material is prepared from the following components by weight percentage:
[0056]
[0057] The insulating material mentioned above was prepared by the two-step method of Example 1.
Embodiment 3
[0059] Insulating material for black overhead insulated cables, the insulating material is prepared from the following components by weight percentage:
[0060]
[0061]
[0062] The invention discloses a method for preparing insulating material for black overhead insulated cables in one step. It mainly consists of two parts, one is the preparation of catalyst masterbatch, and the other is the preparation of finished products.
[0063] 1) Preparation of catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, antioxidant DLTP, fluororubber masterbatch, black masterbatch;
[0064] Stir the above materials in the mixer, first stir at low speed for 1 minute and then at high speed for 3 minutes, then release and pour into the hopper of the extruder. After being blown dry by a fan, the pellets are cut into pellets. The pellets are dried in a drying tower at 80°C for more than 2 hours, and then packed in vacuum aluminum-plastic bags for temporary stora...
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