CN107337843A - 高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法 - Google Patents

高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法 Download PDF

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CN107337843A
CN107337843A CN201710325919.1A CN201710325919A CN107337843A CN 107337843 A CN107337843 A CN 107337843A CN 201710325919 A CN201710325919 A CN 201710325919A CN 107337843 A CN107337843 A CN 107337843A
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储文明
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Abstract

本发明涉及电缆技术领域，具体为高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法，EVM180、EVM 40L03、马来酸酐接枝改性相容剂、LLDPE SP0540、化学法氢氧化镁H5IV、硼酸锌、蒙脱土、乙烯基三甲氧基乙氧基硅烷、硬脂酸锌、硅酮母粒、防老剂RD、防老剂MB、防老剂1010、防老剂DLTP、防老剂300、防老剂412S、TAIC辐照交联敏化剂。本发明提供的高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法，通过改进辐照交联聚烯烃配方体系EVM树脂基材及多种高效防老剂的复配，制成一种在导体工作90℃可以使用70年寿命的辐照交联低烟无卤聚烯烃电缆料。

Description

高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法
技术领域
本发明涉及电缆技术领域，具体为高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法。
背景技术
目前辐照交联低烟无卤聚烯烃电缆料在最新颁布的《JGT 442-2014额定电压0.6/1KV双层共挤绝缘辐照交联无卤阻燃电力电缆》标准中要求在导体工作温度 70℃下电缆的使用寿命为70年，测试方法为《IEC 60216-1:2013电气绝缘材料耐热性第1部分：老化程序和试验结果的评定》，通过阿累尼乌斯曲线推导出辐照交联低烟无卤聚烯烃电缆料在70℃下的使用寿命。
标准《JGT 442-2014额定电压0.6/1KV双层共挤绝缘辐照交联无卤阻燃电力电缆》只是要求辐照交联低烟无卤聚烯烃电缆料在导体工作温度70℃下热寿命推导为70年，即使是第三代核电K1、K3辐照交联低烟无卤聚烯烃电缆料或化学交联橡皮电缆料也只是在导体工作温度90℃下热寿命推导为60年。
发明内容
本发明的目的是提供一种90℃使用温度下70年寿命辐照交联低烟无卤聚烯烃电缆料，具体的技术方案为：
高温耐久辐照交联低烟无卤聚烯烃电缆料，由以下原料按照重量份数组成：
该高温耐久辐照交联低烟无卤聚烯烃电缆料的制备方法，包括以下步骤：在高速混合缸内，将乙烯基三甲氧基乙氧基硅烷均匀地喷洒在硼酸锌、蒙脱土粉体中，当粉体改性温度达到110℃时候再和EVM180、EVM40L03、LLDPE SP0540、马来酸酐接枝相容剂、化学法氢氧化镁H5IV、硬脂酸锌、防老剂RD、防老剂 MB、防老剂1010、防老剂DLTP、防老剂300、防老剂412S、硅酮母粒、TAIC 辐照交联敏化剂，在密闭条件下混合均匀至150℃然后放出，通过双阶造粒机组在130～160℃工艺下造粒，即成高温耐久辐照交联低烟无卤聚烯烃电缆料。
本发明提供的高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法，通过改进辐照交联聚烯烃配方体系EVM树脂基材及多种高效防老剂的复配，制成一种在导体工作90℃可以使用70年寿命的辐照交联低烟无卤聚烯烃电缆料。
具体实施方式
下面结合实施例对本发明作进一步描述：
实施例1
高温耐久辐照交联低烟无卤聚烯烃电缆料，由以下组分组成，如表1所示：
表1
高温耐久辐照交联低烟无卤聚烯烃电缆料的制备方法，先利用高速混合缸将乙烯基三甲氧基乙氧基硅烷均匀地喷洒在硼酸锌、蒙脱土粉体中，当粉体改性温度达到110℃时候再和EVM180、EVM40L03、LLDPE SP0540、马来酸酐接枝相容剂、化学法氢氧化镁H5IV、硬脂酸锌、防老剂RD、防老剂MB、防老剂 1010、防老剂DLTP、防老剂300、防老剂412S、硅酮母粒、TAIC辐照交联敏化剂，在密闭的混合机中混合均匀至150℃然后放出，通过双阶造粒机组在130～ 160℃工艺下造粒，即成高温耐久辐照交联低烟无卤聚烯烃电缆料成品，经上海电缆研究所检测，结果如表2：
表2
表2是进行热寿命测试长期空气老化后伸长率的变化数值，后期的热寿命年限就是通过这个表格里面当伸长率保留率达到50％时候的老化时间按照半衰期阿累尼乌斯方程来计算出材料的热寿命时间的。
实施例2
高温耐久辐照交联低烟无卤聚烯烃电缆料，由以下组分组成，如表3所示：
表3
原材料名称及牌号 配方2
EVM180 15
EVM40L03 15
EVA-g-MAH相容剂 4
LLDPESP0540 5.8
雅宝氢氧化镁H5IV 60
硼酸锌 2
蒙脱土 0.3
乙烯基三甲氧基乙氧基硅烷 0.8
硬脂酸锌 0.8
硅酮母粒 0.8
防老剂RD 0.4
防老剂MB 2.5
防老剂300 2
防老剂1010 1
防老剂DLTP 0.5
防老剂412S 1
TAIC辐照交联敏化剂 1.2
合计： 113.1
制备方法，同实施例1，得到的高温耐久辐照交联低烟无卤聚烯烃电缆料成品，经上海电缆研究所检测，结果如表4：
表4
实施例3
高温耐久辐照交联低烟无卤聚烯烃电缆料，由以下组分组成，如表5所示：
表5
制备方法，同实施例1，得到的高温耐久辐照交联低烟无卤聚烯烃电缆料成品，经上海电缆研究所检测，结果如表6：
表6
从以上实施例各个检测表中性能可以看出，采用本发明生产的一种90℃使用温度下70年寿命辐照交联低烟无卤聚烯烃电缆料，可以满足导体在90℃工温度下使用寿命达到70年以上。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (2)

1.高温耐久辐照交联低烟无卤聚烯烃电缆料，其特征在于，由以下原料按照重量份数组成：
EVM180 15~30份；
EVM 40L03 2 ~4份；
马来酸酐接枝改性相容剂 2 ~4份；
LLDPE SP0540 8~15份；
化学法氢氧化镁 H5IV 50 ~60份；
硼酸锌 2 ~4份；
蒙脱土 0.1 ~1份；
乙烯基三甲氧基乙氧基硅烷 0.1 ~1.5份；
硬脂酸锌 0.1 ~0.5份；
硅酮母粒 0.3~0.8份；
防老剂RD 0.2 ~0.4份；
防老剂MB 1.5 ~3.5份；
防老剂1010 1 ~1.5份；
防老剂DLTP 0.5 ~1.5份；
防老剂300 2 ~3.5份；
防老剂412S 1 ~1.5份；
TAIC辐照交联敏化剂 0.5 ~1.5份。
2.根据权利要求1所述的高温耐久辐照交联低烟无卤聚烯烃电缆料的制备方法，其特征在于，包括以下步骤：在高速混合缸内，将乙烯基三甲氧基乙氧基硅烷均匀地喷洒在硼酸锌、蒙脱土粉体中，当粉体改性温度达到110℃时候再和EVM180、EVM40L03、LLDPE SP0540、马来酸酐接枝相容剂、化学法氢氧化镁H5IV、硬脂酸锌、防老剂RD、防老剂MB、防老剂1010、防老剂DLTP、防老剂300、防老剂412S、硅酮母粒、TAIC辐照交联敏化剂，在密闭条件下混合均匀至150℃然后放出，通过双阶造粒机组在130～160℃工艺下造粒，即成高温耐久辐照交联低烟无卤聚烯烃电缆料。
CN201710325919.1A 2017-05-10 2017-05-10 高温耐久辐照交联低烟无卤聚烯烃电缆料及其制备方法 Pending CN107337843A (zh)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN112466536A (zh) * 2020-12-01 2021-03-09 扬州市缆讯电气技术服务有限公司 海上石油平台用耐喷射火焰和碳氢火焰中压电缆及其制造方法
CN116285357A (zh) * 2021-12-13 2023-06-23 国网湖南省电力有限公司 基于电子束辐射交联的蒙脱土/硅橡胶复合材料及其制备方法和应用

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