CN103865156A - 一种软性交联聚乙烯绝缘电缆料及其制备方法 - Google Patents

一种软性交联聚乙烯绝缘电缆料及其制备方法 Download PDF

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CN103865156A
CN103865156A CN201410117888.7A CN201410117888A CN103865156A CN 103865156 A CN103865156 A CN 103865156A CN 201410117888 A CN201410117888 A CN 201410117888A CN 103865156 A CN103865156 A CN 103865156A
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赵兵
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Abstract

本发明公开了一种软性交联聚乙烯绝缘电缆料，其特征在于，由下列重量份的原料制成：低密度聚乙烯50-55、聚异丁烯3-4、EVA20-23、HPS12-14、四氧化三铁1-2、硼化铬4-6、抗氧剂10101-2、海泡石粉23-26、烟片胶2-3、等规聚丙烯8-10、硼化二钨2-3、氮化铝14-17、异氰脲酸三缩水甘油酯3-4、乙酰柠檬酸三乙酯14-18、丙酸乙烯酯3-4、交联剂TAC1-2、助剂6-8；本发明的电缆绝缘料具有良好的柔软性，耐磨、耐腐蚀，用本发明材料制成的电缆其传输介质引起的功率损耗小。

Description

一种软性交联聚乙烯绝缘电缆料及其制备方法
技术领域
本发明涉及高分子材料领域，特别是一种软性交联聚乙烯绝缘电缆料及其制备方法。
背景技术
由于中压电缆用的传统交联聚乙烯材料为刚硬体，难于弯曲和绕线、嵌线，故目前是以额定电压20kV级乙丙胶(EPR)绝缘电缆代替。但是乙丙胶(EPR)的四大电气参数(介电强度Ekp、绝缘电阻ρv、介电常数ε和介质损耗角正切tgδ)明显较差，易引起电缆、电机、变压器过度发热，功率损耗很大。现在就需要针对额定电压20kV固定敷设电力电缆用传统交联聚乙烯绝缘料进行改性，在保障电缆基本电气性能的基础上改进该电缆的柔软性和使用便利性。
发明内容
本发明的目的是提供一种软性交联聚乙烯绝缘电缆料及其制备方法。
为了实现本发明的目的，本发明通过以下方案实施：
一种软性交联聚乙烯绝缘电缆料，由下列重量份的原料制成：低密度聚乙烯50-55、聚异丁烯3-4、EVA20-23、HPS12-14、四氧化三铁1-2、硼化铬4-6、抗氧剂10101-2、海泡石粉23-26、烟片胶2-3、等规聚丙烯8-10、硼化二钨2-3、氮化铝14-17、异氰脲酸三缩水甘油酯3-4、乙酰柠檬酸三乙酯14-18、丙酸乙烯酯3-4、交联剂TAC1-2、助剂6-8；
所述助剂由下列重量份的原料制成：硅藻土10-12、二缩三丙二醇二丙烯酸酯2-3、氧化锌5-6、玉石粉4-5、3-氨丙基三甲氧基硅烷2-3、交联剂TAC1-2、葡萄糖酸锌1-2、硬脂酸锌1-2、硝酸镁7-9、丁香油1-2、玫瑰精油0.1-0.2；制备方法是将硅藻土粉送入煅烧炉中在700-730℃下煅烧3-4小时，取出，送入10-15%盐酸中浸泡1-2小时，过滤得滤渣，用清水洗涤，烘干，粉碎成200-250目粉末，再将烘干的粉体与二缩三丙二醇二丙烯酸酯、氧化锌、交联剂TAC混合，研磨1-2小时，再加入其它剩余成分，混合研磨1-2小时，即得。
本发明所述软性交联聚乙烯绝缘电缆料，由以下具体步骤制成：（1）将低密度聚乙烯、聚异丁烯、EVA、等规聚丙烯加热至熔融状态，加入四氧化三铁、硼化铬、抗氧剂1010、海泡石粉、烟片胶、丙酸乙烯酯、交联剂TAC、助剂，搅拌捏合15-25分钟，送入双螺杆挤出机造粒，得到A料；
（2）将HPS加热至熔融状态，加入其它剩余成分，搅拌6-10分钟，送入双螺杆挤出机上熔融挤出造粒，得到B料；
（3）将A、B料混合均匀后，在双螺杆挤出机上熔融挤出造粒，即得。
本发明的优异效果是：本发明的电缆绝缘料具有良好的柔软性，耐磨、耐腐蚀，用本发明材料制成的电缆其传输介质引起的功率损耗小。
具体实施方式
下面通过具体实例对本发明进行详细说明。
一种软性交联聚乙烯绝缘电缆料，由下列重量份（公斤）的原料制成：低密度聚乙烯50、聚异丁烯3、EVA20、HPS12、四氧化三铁1、硼化铬4、抗氧剂10101、海泡石粉23、烟片胶2、等规聚丙烯8、硼化二钨2、氮化铝14、异氰脲酸三缩水甘油酯3、乙酰柠檬酸三乙酯14、丙酸乙烯酯3、交联剂TAC1、助剂6；
所述助剂由下列重量份（公斤）的原料制成：硅藻土10、二缩三丙二醇二丙烯酸酯3、氧化锌5、玉石粉4、3-氨丙基三甲氧基硅烷2、交联剂TAC2、葡萄糖酸锌1、硬脂酸锌2、硝酸镁9、丁香油2、玫瑰精油0.1；制备方法是将硅藻土送入煅烧炉中在700-730℃下煅烧3-4小时，取出，送入10-15%盐酸中浸泡1-2小时，过滤得滤渣，用清水洗涤，烘干，粉碎成200-250目粉末，再将烘干的粉体与二缩三丙二醇二丙烯酸酯、氧化锌、交联剂TAC混合，研磨1-2小时，再加入其它剩余成分，混合研磨1-2小时，即得。
本发明所述软性交联聚乙烯绝缘电缆料，由以下具体步骤制成：（1）将低密度聚乙烯、聚异丁烯、EVA、等规聚丙烯加热至熔融状态，加入四氧化三铁、硼化铬、抗氧剂1010、海泡石粉、烟片胶、丙酸乙烯酯、交联剂TAC、助剂，搅拌捏合15-25分钟，送入双螺杆挤出机造粒，得到A料；
（2）将HPS加热至熔融状态，加入其它剩余成分，搅拌6-10分钟，送入双螺杆挤出机上熔融挤出造粒，得到B料；
（3）将A、B料混合均匀后，在双螺杆挤出机上熔融挤出造粒，即得。
对本发明材料进行了性能测试，主要情况如下：
Figure BDA0000482159820000031

Claims (2)

1.一种软性交联聚乙烯绝缘电缆料，其特征在于，由下列重量份的原料制成：低密度聚乙烯50-55、聚异丁烯3-4、EVA20-23、HPS12-14、四氧化三铁1-2、硼化铬4-6、抗氧剂1010 1-2、海泡石粉23-26、烟片胶2-3、等规聚丙烯8-10、硼化二钨2-3、氮化铝14-17、异氰脲酸三缩水甘油酯3-4、乙酰柠檬酸三乙酯14-18、丙酸乙烯酯3-4、交联剂TAC1-2、助剂6-8；
所述助剂由下列重量份的原料制成：硅藻土10-12、二缩三丙二醇二丙烯酸酯2-3、氧化锌5-6、玉石粉4-5、3-氨丙基三甲氧基硅烷2-3、交联剂TAC1-2、葡萄糖酸锌1-2、硬脂酸锌1-2、硝酸镁7-9、丁香油1-2、玫瑰精油0.1-0.2；制备方法是将硅藻土粉送入煅烧炉中在700-730℃下煅烧3-4小时，取出，送入10-15%盐酸中浸泡1-2小时，过滤得滤渣，用清水洗涤，烘干，粉碎成200-250目粉末，再将烘干的粉体与二缩三丙二醇二丙烯酸酯、氧化锌、交联剂TAC混合，研磨1-2小时，再加入其它剩余成分，混合研磨1-2小时，即得。
2.根据权利要求1所述软性交联聚乙烯绝缘电缆料，其特征在于，由以下具体步骤制成：（1）将低密度聚乙烯、聚异丁烯、EVA、等规聚丙烯加热至熔融状态，加入四氧化三铁、硼化铬、抗氧剂1010、海泡石粉、烟片胶、丙酸乙烯酯、交联剂TAC、助剂，搅拌捏合15-25分钟，送入双螺杆挤出机造粒，得到A料；
（2）将HPS加热至熔融状态，加入其它剩余成分，搅拌6-10分钟，送入双螺杆挤出机上熔融挤出造粒，得到B料；
（3）将A、B料混合均匀后，在双螺杆挤出机上熔融挤出造粒，即得。
CN201410117888.7A 2014-03-26 2014-03-26 一种软性交联聚乙烯绝缘电缆料及其制备方法 Expired - Fee Related CN103865156B (zh)

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CN105037942A (zh) * 2015-08-17 2015-11-11 清华大学 可回收的热塑性高压交流电缆绝缘材料的制备方法
CN105482227A (zh) * 2016-01-04 2016-04-13 安徽瑞侃电缆科技有限公司 一种热稳定性好且具有优异力学性能的电缆用绝缘层材料

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105037942A (zh) * 2015-08-17 2015-11-11 清华大学 可回收的热塑性高压交流电缆绝缘材料的制备方法
CN105482227A (zh) * 2016-01-04 2016-04-13 安徽瑞侃电缆科技有限公司 一种热稳定性好且具有优异力学性能的电缆用绝缘层材料

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