CN107129627A - 一种用于光伏通信设备电缆绝缘层及其制备方法 - Google Patents

一种用于光伏通信设备电缆绝缘层及其制备方法 Download PDF

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CN107129627A
CN107129627A CN201710410592.8A CN201710410592A CN107129627A CN 107129627 A CN107129627 A CN 107129627A CN 201710410592 A CN201710410592 A CN 201710410592A CN 107129627 A CN107129627 A CN 107129627A
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parts
resin
communication equipment
temperature
cable insulation
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何飞
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Hefei Min Kui Electric Power Engineering Co Ltd
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Hefei Min Kui Electric Power Engineering Co Ltd
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Abstract

本发明公开了一种用于光伏通信设备的电缆绝缘层，其特征在于，按照质量份数包括以下组份：硬酸酯3~15份，氮化硼7~18份，偶联剂4~15份，硼酸4~7份，树脂8~19份，氮化硅6~19份，氧化聚乙烯酯7~11份，聚苯乙烯5~10份、EVA 8~16份，稳定剂7~18份，加工辅助剂3~14份，滑石粉6~19份。本发明所提供的一种用于光伏通信设备的电缆绝缘层，并制备出一种阻燃效果优良，并且没有对人体有害的卤系材料，其用途广泛，能够迅速将导体的热量迅速传递给散热设备，绝缘效果好，保证了通信设备使用安全。

Description

一种用于光伏通信设备电缆绝缘层及其制备方法
技术领域
本发明属于通信设备领域，具体涉及一种用于光伏通信设备电缆绝缘层及其制备方法。
背景技术
电线电缆主要包括裸电线、布电线及电气设备用电力电缆、交联电缆与通信光缆。
根据近几年来的运行分析看来，尤其是在经济高速发展中的上海浦东，现相当多的电缆故障都是由于机械损伤引起的。比如：电线敷设安装时不规范施工，容易造成机械损伤；在直埋电缆上搞土建施工也极易将运行中的电缆损伤等，如果损伤不严重的，要几个月甚至几年才会导致损伤部位彻底击穿形成故障，有时破坏严重的，直接影响电力设备或者一些企业的安全生产。
目前电缆广泛应用于通信设备，有线通信是指通信设备传输间需要经过线缆连接，即利用架空线缆、同轴线缆、光纤、音频线缆等传输介质传输信息方式。
有线通信设备最大优势就是抗干扰性强，稳定性高，具备一定的保密性，传输速率快，带宽能够无限大；但有线通信受环境影响较大，扩展性较弱，有衰减，施工难度大，移动性差，费用高。
长时间超负荷运行时，过高的温度会加速绝缘的老化，导致绝缘被击穿，尤其是在炎热的夏季，电缆的温升常常导致电缆绝缘薄弱处首先被击穿，因此在夏季，电缆的故障也就特别多。此外，电缆接头故障是电缆线路中最薄弱的环节，由人员直接过失或者施工不良引发的电缆接头故障常有发生，施工人员在制作电缆接头的过程中，如果有接头压接不紧、加热不充分等原因，都会导致电缆接头绝缘性降低，从而引发事故。
因此，有必要对低烟无卤电线绝缘层及制备方法进行改进。
发明内容
针对上述问题，本发明要解决的技术问题是提供一种用于光伏通信设备电缆绝缘层及其制备方法，易加工成型，对人体无害。
为实现上述目的，本发明的技术方案为：一种用于光伏通信设备的电缆绝缘层，按照质量份数包括以下组份：硬酸酯3~15份，氮化硼7~18份，偶联剂4~15份，硼酸4~7份，树脂8~19份，氮化硅6~19份，氧化聚乙烯酯7~11份，聚苯乙烯5~10份、EVA 8~16份，稳定剂7~18份，加工辅助剂3~14份，滑石粉6~19份。
优选地，按照质量份数包括以下组份：硬酸酯3份，氮化硼7份，偶联剂4份，硼酸4份，树脂8份，氮化硅6份，氧化聚乙烯酯7份，聚苯乙烯5份、EVA 8份，稳定剂7份，加工辅助剂3份，滑石粉6份。
优选地，所述EVA中VA的含量为15~35%，优选17%。
优选地，所述树脂为为酚醛树脂、聚酯树脂、聚酰胺树脂、聚酰亚胺树脂及聚酰亚胺树脂基复合材料、聚苯乙烯树脂、聚氯乙烯树脂、ABS树脂、聚四氟乙烯树脂、聚甲醛树脂、聚醚树脂、聚乙烯树脂中的一种或者多种。
优选地，所述加工辅剂选自氢氧化镁、氢氧化铝、红磷、可膨胀石墨和聚磷酸铵中的一种或者它们的组合物。
一种用于光伏通信设备的电缆绝缘层的制备方法，主要包括以下步骤：
步骤1：预混合，将原料组分按照配比量加入到高压混合机中进行预混合，混合的气压为800~1000MPa，混合的时间为2~20min；
步骤2：挤出造粒，将预混合过后的混合料加入到单螺杆挤出机中，挤出前单螺杆挤出机各段温度为100~250℃，螺杆的转速为300~600rpm，最终将混合料熔化并挤出造粒，造得的颗粒粒径为0.15~1.35mm。
优选地，所述步骤2中的各段温度包括预热段的温度、熔融段的温度和均匀段的温度，所述预热段的温度保持在100~120℃，所述熔融段的温度保持在180~255℃，所述均匀段的温度保持在160~200℃。
优选地，所述步骤1中的高压混合机内设有搅拌装置，该搅拌装置的转速为80~100r/min。
本发明的有益效果在于：本发明所提供的一种用于光伏通信设备的电缆绝缘层，并制备出一种阻燃效果优良，并且没有对人体有害的卤系材料，其用途广泛，能够迅速将导体的热量迅速传递给散热设备，绝缘效果好，保证了通信设备使用安全；采用了如氢氧化镁、氢氧化铝等无卤阻燃剂，避免了危害人类健康的溴系阻燃剂，无卤阻燃及低烟无毒且成本较低。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合实施例，对本发明进行进一步的详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不限定本发明。
实施例1
一种用于光伏通信设备的电缆绝缘层，按照质量份数包括以下组份：硬酸酯3份，氮化硼7份，偶联剂4份，硼酸4份，树脂8份，氮化硅6份，氧化聚乙烯酯7份，聚苯乙烯5份、EVA 8份，稳定剂7份，加工辅助剂3份，滑石粉6份。
所述EVA中VA的含量为15%。
所述树脂为为酚醛树脂、聚酯树脂、聚酰胺树脂、聚酰亚胺树脂及聚酰亚胺树脂基复合材料、聚苯乙烯树脂、聚氯乙烯树脂、ABS树脂、聚四氟乙烯树脂、聚甲醛树脂、聚醚树脂、聚乙烯树脂中的一种或者多种。
所述加工辅剂选自氢氧化镁、氢氧化铝、红磷、可膨胀石墨和聚磷酸铵中的一种或者它们的组合物。
一种用于光伏通信设备的电缆绝缘层的制备方法，主要包括以下步骤：
步骤1：预混合，将原料组分按照配比量加入到高压混合机中进行预混合，混合的气压为800MPa，混合的时间为2min；
步骤2：挤出造粒，将预混合过后的混合料加入到单螺杆挤出机中，挤出前单螺杆挤出机各段温度为100℃，螺杆的转速为300rpm，最终将混合料熔化并挤出造粒，造得的颗粒粒径为0.15mm。
所述步骤2中的各段温度包括预热段的温度、熔融段的温度和均匀段的温度，所述预热段的温度保持在100℃，所述熔融段的温度保持在180℃，所述均匀段的温度保持在160℃。
所述步骤1中的高压混合机内设有搅拌装置，该搅拌装置的转速为80r/min。
实施例2
一种用于光伏通信设备的电缆绝缘层，按照质量份数包括以下组份：硬酸酯10份，氮化硼14份，偶联剂10份，硼酸6份，树脂10份，氮化硅12份，氧化聚乙烯酯9份，聚苯乙烯8份、EVA12份，稳定剂13份，加工辅助剂9份，滑石粉12份。
所述EVA中VA的含量为25%。
所述树脂为为酚醛树脂、聚酯树脂、聚酰胺树脂、聚酰亚胺树脂及聚酰亚胺树脂基复合材料、聚苯乙烯树脂、聚氯乙烯树脂、ABS树脂、聚四氟乙烯树脂、聚甲醛树脂、聚醚树脂、聚乙烯树脂中的一种或者多种。
所述加工辅剂选自氢氧化镁、氢氧化铝、红磷、可膨胀石墨和聚磷酸铵中的一种或者它们的组合物。
一种用于光伏通信设备的电缆绝缘层的制备方法，主要包括以下步骤：
步骤1：预混合，将原料组分按照配比量加入到高压混合机中进行预混合，混合的气压为900MPa，混合的时间为10min；
步骤2：挤出造粒，将预混合过后的混合料加入到单螺杆挤出机中，挤出前单螺杆挤出机各段温度为200℃，螺杆的转速为500rpm，最终将混合料熔化并挤出造粒，造得的颗粒粒径为1.00mm。
所述步骤2中的各段温度包括预热段的温度、熔融段的温度和均匀段的温度，所述预热段的温度保持在110℃，所述熔融段的温度保持在220℃，所述均匀段的温度保持在180℃。
所述步骤1中的高压混合机内设有搅拌装置，该搅拌装置的转速为90r/min。
实施例3
一种用于光伏通信设备的电缆绝缘层，按照质量份数包括以下组份：硬酸酯15份，氮化硼18份，偶联剂15份，硼酸7份，树脂19份，氮化硅19份，氧化聚乙烯酯11份，聚苯乙烯10份、EVA 16份，稳定剂18份，加工辅助剂14份，滑石粉19份。
所述EVA中VA的含量为35%。
所述树脂为为酚醛树脂、聚酯树脂、聚酰胺树脂、聚酰亚胺树脂及聚酰亚胺树脂基复合材料、聚苯乙烯树脂、聚氯乙烯树脂、ABS树脂、聚四氟乙烯树脂、聚甲醛树脂、聚醚树脂、聚乙烯树脂中的一种或者多种。
所述加工辅剂选自氢氧化镁、氢氧化铝、红磷、可膨胀石墨和聚磷酸铵中的一种或者它们的组合物。
一种用于光伏通信设备的电缆绝缘层的制备方法，主要包括以下步骤：
步骤1：预混合，将原料组分按照配比量加入到高压混合机中进行预混合，混合的气压为1000MPa，混合的时间为20min；
步骤2：挤出造粒，将预混合过后的混合料加入到单螺杆挤出机中，挤出前单螺杆挤出机各段温度为250℃，螺杆的转速为600rpm，最终将混合料熔化并挤出造粒，造得的颗粒粒径为1.35mm。
所述步骤2中的各段温度包括预热段的温度、熔融段的温度和均匀段的温度，所述预热段的温度保持在100~120℃，所述熔融段的温度保持在255℃，所述均匀段的温度保持在200℃。
所述步骤1中的高压混合机内设有搅拌装置，该搅拌装置的转速为100r/min。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种用于光伏通信设备的电缆绝缘层，其特征在于，按照质量份数包括以下组份：硬酸酯3~15份，氮化硼7~18份，偶联剂4~15份，硼酸4~7份，树脂8~19份，氮化硅6~19份，氧化聚乙烯酯7~11份，聚苯乙烯5~10份、EVA 8~16份，稳定剂7~18份，加工辅助剂3~14份，滑石粉6~19份。
2.根据权利要求1所述的一种用于光伏通信设备的电缆绝缘层，其特征在于，按照质量份数包括以下组份：硬酸酯3份，氮化硼7份，偶联剂4份，硼酸4份，树脂8份，氮化硅6份，氧化聚乙烯酯7份，聚苯乙烯5份、EVA 8份，稳定剂7份，加工辅助剂3份，滑石粉6份。
3.根据权利要求1所述的一种用于光伏通信设备的电缆绝缘层，其特征在于，所述EVA中VA的含量为15~35%，优选17%。
4.根据权利要求1所述的一种用于光伏通信设备的电缆绝缘层，其特征在于，所述树脂为为酚醛树脂、聚酯树脂、聚酰胺树脂、聚酰亚胺树脂及聚酰亚胺树脂基复合材料、聚苯乙烯树脂、聚氯乙烯树脂、ABS树脂、聚四氟乙烯树脂、聚甲醛树脂、聚醚树脂、聚乙烯树脂中的一种或者多种。
5.根据权利要求1所述的一种用于光伏通信设备的电缆绝缘层，其特征在于，所述加工辅剂选自氢氧化镁、氢氧化铝、红磷、可膨胀石墨和聚磷酸铵中的一种或者它们的组合物。
6.一种用于光伏通信设备的电缆绝缘层的制备方法，其特征在于，主要包括以下步骤：
步骤1：预混合，将原料组分按照配比量加入到高压混合机中进行预混合，混合的气压为800~1000MPa，混合的时间为2~20min；
步骤2：挤出造粒，将预混合过后的混合料加入到单螺杆挤出机中，挤出前单螺杆挤出机各段温度为100~250℃，螺杆的转速为300~600rpm，最终将混合料熔化并挤出造粒，造得的颗粒粒径为0.15~1.35mm。
7.根据权利要求6所述的用于光伏通信设备的电缆绝缘层的制备方法，其特征在于，所述步骤2中的各段温度包括预热段的温度、熔融段的温度和均匀段的温度，所述预热段的温度保持在100~120℃，所述熔融段的温度保持在180~255℃，所述均匀段的温度保持在160~200℃。
8.根据权利要求6所述的用于光伏通信设备的电缆绝缘层的制备方法，其特征在于，所述步骤1中的高压混合机内设有搅拌装置，该搅拌装置的转速为80~100r/min。
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