CN106317604A - 光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法 - Google Patents

光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法 Download PDF

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CN106317604A
CN106317604A CN201610847858.0A CN201610847858A CN106317604A CN 106317604 A CN106317604 A CN 106317604A CN 201610847858 A CN201610847858 A CN 201610847858A CN 106317604 A CN106317604 A CN 106317604A
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高团结
李万敏
沈劲松
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Abstract

光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，通过前处理、密练、双螺杆挤出、单螺杆挤出造粒、风冷、包装工艺，制备光伏电缆用无卤低烟阻燃交联聚烯烃护套料。本发明产品具有耐酸耐碱功能，符合125℃无卤低烟阻燃交联聚烯烃护套料性能。

Description

光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法
技术领域
本发明属于高分子材料改性领域，尤其是涉及到一种光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法。
背景技术
国家大力推行绿色能源，光伏发电等绿色能源产业得到蓬勃发展，但是，光伏电缆因长期暴露在室外，在使用过程中，会遇到各种恶劣的自然环境，包括大昼夜温差变化、日光照射、风化、潮湿、酸雨、冰冻和海水等，这些自然环境会严重影响充电电缆的寿命和使用性能，甚至可靠性和安全性，造成财产损失和人身伤害。 光伏电缆，因使用灵活，难免会存在人为弯曲、扭曲、拖拽甚至拉伸等现象，极易对充电电缆造成机械损伤；同时，充电电缆可能会受到人为造成的酸碱溶液的浸泡，影响电缆材料的性能，对电缆造成损伤。 需要电缆具有耐酸、耐碱功能。
发明内容
本发明的目的在于提供一种能够解决上述技术问题的光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法。
光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，其特征在于，由包括以下重量份数组分制成：PE为10-15，EVA为15-20，POE为10-15（树脂总量为40），阻燃硅烷：1-2，氢氧化铝30-50，氢氧化镁0-10，液体交联剂3-5，交联助剂0.2-0.5，抗氧剂0.2-0.3，其它加工助剂1-2。 光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，通过前处理、密炼、双螺杆机挤出、单螺杆机挤出造粒、风冷、包装工艺，制备光伏电缆用无卤低烟阻燃交联聚烯烃护套料。 所述的PE为HDPE，EVA为VA含量为28的EVA。 所述的硅烷为带有阻燃功能的硅烷，交联剂为液体交联剂。 将氢氧化铝、氢氧化镁，通过高速搅拌，加入2%的阻燃硅烷到140℃作为前处理工序，增加阻燃硅烷的量是无机阻燃材料表面包裹一层耐油性阻燃硅烷，提高无机材料的剂耐酸、耐碱性。 采用液体阻燃剂和无机阻燃剂进行协同阻燃，减少无机阻燃剂的用量，提高产品的辐照的交联度。 所述的交联剂采用液体交联剂，在生产过程中保证交联剂分散均匀，提高产品的辐照的交联度。 所述的加工助剂全部为高分子助剂，分子不低于2000。 所述密炼是将原材料按照配方，其它加工助剂一起投入到密炼机，密炼到温度110-120℃，液体阻燃硅烷和液体阻燃剂一起加入。 所述的双螺杆机挤出是将密炼好的混合料加入到双螺杆机挤出，双螺杆机6段温度设定为100-110℃、105-115℃、110-120℃、110-120℃、110-120℃、105-115℃。所述的单螺杆机挤出是将双螺杆机挤出的料加入到单螺杆机挤出，单螺杆机4段温度设定为110-120℃、120-130℃、130-140℃、130-140℃。 本发明制备出来的光伏电缆用无卤低烟阻燃交联聚烯烃护套料，客户生产完电缆后进行辐照，交联剂量11-14焦耳/千克，根据电线电缆产品的厚度和结构确定。本发明具带来的有益效果：本发明添加阻燃硅烷和液体交联剂，提高了交联度。
具体实施方式
下面结合实施例对本发明作进一步说明，但不作为对本发明的限制：
光伏电缆用无卤低烟阻燃交联聚烯烃护套料，由包括以下重量份数组分制成：PE为10-15，EVA为15-20，POE为10-15（树脂总量为40），阻燃硅烷：1-2，氢氧化铝30-50，氢氧化镁0-10，液体交联剂3-5，交联助剂0.2-0.5，抗氧剂0.2-0.3，其它加工助剂1-2。 光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，包括以下操作步骤：
（1）前处理：氢氧化铝、氢氧化镁，加入2%的阻燃硅烷高速搅拌到140℃作为前处理工序； （2）密炼：将原材料密炼到110-120℃； （3）双螺杆机挤出：双螺杆机挤出对材料进行塑化； （4）单螺杆机挤出造粒：对塑化后材料进行挤出造粒； （5）风冷：将高温颗粒通过震动筛，利用冷风进行冷却； （6）包装。 所述的PE为HDPE，EVA为VA含量为28的EVA；所述的硅烷为带有阻燃功能的硅烷，交联剂为液体交联剂；将氢氧化铝、氢氧化镁，通过高速搅拌，加入2%的阻燃硅烷到140℃作为前处理工序，增加阻燃硅烷的量是无机阻燃材料表面包裹一层耐油性阻燃硅烷，提高无机材料的剂耐酸、耐碱性；采用液体阻燃剂和无机阻燃剂进行协同阻燃，减少无机阻燃剂的用量，提高产品的辐照的交联度；所述的交联剂采用液体交联剂，在生产过程中保证交联剂分散均匀，提高产品的辐照的交联度；所述的加工助剂全部为高分子助剂，分子不低于2000。 本发明的优点：采用液体阻燃剂和无机阻燃剂进行协同阻燃，减少无机阻燃剂的用量，提高产品的辐照的交联度；交联剂采用液体交联剂，在生产过程中保证交联剂分散均匀，提高产品的辐照的交联度；本发明产品具有耐酸耐碱功能，符合125℃无卤低烟阻燃交联聚烯烃护套料性能。本发明的上述实施例，仅仅是清楚地说明本发明所做的举例，但不用来限制本发明的保护范围，所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由各项权利要求限定。

Claims (8)

1.光伏电缆用无卤低烟阻燃交联聚烯烃护套料，其特征在于，由包括以下重量份数组分制成：PE为10-15，EVA为15-20,POE为10-15，阻燃硅烷：1-2，氢氧化铝30-50，氢氧化镁0-10，液体交联剂3-5，交联助剂0.2-0.5，抗氧剂0.2-0.3，其它加工助剂1-2。
2.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，其特征在于：通过前处理、密炼、双螺杆机挤出、单螺杆机挤出造粒、风冷、包装工艺，制备光伏电缆用无卤低烟阻燃交联聚烯烃护套料。
3.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料，其特征在于，所述的PE为HDPE，EVA为VA含量为28的EVA。
4.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料，其特征在于，所述的硅烷为带有阻燃功能的硅烷，交联剂为液体交联剂。
5.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，其特征在于，将氢氧化铝、氢氧化镁，通过高速搅拌，加入2%的阻燃硅烷到140℃作为前处理工序。
6.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法，其特征在于：采用液体阻燃剂和无机阻燃剂进行协同阻燃，减少无机阻燃剂的用量，提高产品的辐照的交联度。
7.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料，其特征在于：所述的交联剂采用液体交联剂，在生产过程中保证交联剂分散均匀，提高产品的辐照的交联度。
8.根据权利要求1所述的光伏电缆用无卤低烟阻燃交联聚烯烃护套料，其特征在于：所述的加工助剂全部为高分子助剂，分子不低于2000。
CN201610847858.0A 2016-09-26 2016-09-26 光伏电缆用无卤低烟阻燃交联聚烯烃护套料的制备方法 Pending CN106317604A (zh)

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CN107043485A (zh) * 2017-02-04 2017-08-15 扬州市好年华高分子材料有限公司 一种光伏电缆用125℃辐照交联改性低烟无卤阻燃聚烯烃电缆料及其制备方法

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Application publication date: 20170111