CN112778655A - 一种户外电器用橡胶线绝缘层及其制备方法 - Google Patents

一种户外电器用橡胶线绝缘层及其制备方法 Download PDF

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CN112778655A
CN112778655A CN202011643399.7A CN202011643399A CN112778655A CN 112778655 A CN112778655 A CN 112778655A CN 202011643399 A CN202011643399 A CN 202011643399A CN 112778655 A CN112778655 A CN 112778655A
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insulating layer
rubber wire
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贾海峰
徐扬
毕见宁
宋夫玉
王文霞
张士明
孙晓
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Weihai Honglin Electric Power Technology Co ltd
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Abstract

本发明涉及一种户外电器用橡胶线绝缘层及其制备方法，含有CPE 10‑20份、POE 5‑15份、EPDM5‑15份、滑石粉35‑40份、碳酸钙10‑15份、氢氧化镁1‑10份、轻质氧化镁1‑10份、高岭土5‑15份、绝缘油1‑5份、交联助剂1‑5份、交联剂1‑5份、硬脂酸钙1‑5份、石蜡1‑5份、防老剂0.3‑2份、抗氧剂0.2‑2份、光引发剂1‑3份，所述份数为质量份数。本发明所述户外电器用橡胶线绝缘层机械性能优良，各项指标均高于美国UL 62标准。

Description

一种户外电器用橡胶线绝缘层及其制备方法
技术领域
本发明涉及一种户外电器用橡胶线绝缘层及其制备方法。
背景技术
目前市场上户外使用的电器所用的橡胶材质线缆，线缆普遍都有难闻气味，另在一些低温地区户外使用时线缆柔软度低，线缆僵硬，用户使用不便，体验感差。且长期在低温环境下使用后，有出现线缆爆皮，出现裂纹等现象。
传统的橡胶线生产方式多为高温蒸汽硫化，也有少部分采用电子辐照工艺。前者需要烧锅炉，污染环境，能耗也大，生产成本高。后者设备投入成本较高，目前国内也只有少数电缆企业拥有。
发明内容
发明目的：为解决市场现有产品中的困境，本发明提出了一种户外电器用橡胶线绝缘层及其制备方法，通过调配橡胶线绝缘材料的配方，制作出性能优良的户外电器用橡胶线绝缘层。
本发明还提供了该户外电器用橡胶线绝缘层的制备方法。
本发明采取的技术方案是：
一种户外电器用橡胶线绝缘层，其原料含有氯化聚乙烯(CPE)10-20份、POE 5-15份、三元乙丙橡胶(EPDM)5-15份、滑石粉35-40份、碳酸钙10-15份、氢氧化镁1-10份、轻质氧化镁1-10份、高岭土5-15份、绝缘油1-5份、交联助剂1-5份、交联剂1-5份、硬脂酸钙1-5份、石蜡1-5份、防老剂0.3-2份、抗氧剂0.2-2份、光引发剂1-3份。
进一步地，所述CPE为氯含量为33％～37％，门尼粘度(ML 1+4，121℃)为70～80的CPE；进一步地，所述POE为以下两种的混合物：POE 7467，门尼粘度(ML 1+4，250°F(121℃))19MU，熔融指数1.2g/10min；POE 8150,门尼粘度(ML 1+4，250°F(121℃))33MU，熔融指数0.5g/10min；
进一步地，所述EPDM为第三单体ENB含量0.8％～1.6％，乙烯含量68％～74％，门尼粘度(ML1+4，125℃)为16～28的三元乙丙胶2032PM；
进一步地，所述滑石粉为1250目，粒径50％分布在3～9μm，盐酸不溶物≥90％，氧化镁含量≥30％的滑石粉；
进一步地，所述碳酸钙为白度在96度以上，2μm粒径含量在38％以上的重质碳酸钙；
进一步地，所述氢氧化镁为白度在93度以上的氢氧化镁；
进一步地，所述高岭土为白度在90度以上，小于2μm的含量在85％以上的高岭土；
进一步地，所述绝缘油的主要成分为碳氢化合物；
进一步地，所述交联剂为BIPB；
进一步地，所述石蜡为58#半精炼石蜡；
进一步地，所述防老剂为防老剂RD；
进一步地，所述抗氧剂为1010型号抗氧剂；
进一步地，所述光引发剂为BPL；
进一步地，所述绝缘油选自烷烃、环烷族饱和烃、芳香族不饱和烃等化合物；
进一步地，所述交联助剂选自三烯丙基异氰脲酸酯(TAIC)；
进一步地，所述交联剂选自硫化剂BIPB；
进一步地，所述石蜡选自58#半精炼石蜡；
进一步地，所述防老剂选自防老剂RD，抗氧剂选自1010型号抗氧剂，光引发剂选自BPL。
一种制备上述户外电器用橡胶线绝缘层的方法，具体是原料按配比重量先后经过密炼机、开炼机、挤出机、紫外线交联机等设备后制成户外电器用橡胶线绝缘层。
一种户外电器用橡胶线绝缘层及其制备方法，其包括以下几步：
步骤1.按原材料投放比例称取各种原料，按先后顺序投放到密练锅里，投放后温度升温至60℃时，打开物料门，升起上顶栓，清扫一次，到达70℃、80℃时再各翻一次；
步骤2.然后设置好温度，待温度达到后，加入硫化剂，设定好硫化温度继续翻料；
步骤3.出料后再放入开炼机中混炼，加工薄片状胶条，然后再经过冷喂料挤出机寄出成型，其中冷喂料挤出机机头温度85～95℃，机身一段温度65～75℃，机身二段温度75～85℃，挤出速度85米/分钟；
步骤4.挤出成型后，再经过紫外线交联加工，得到户外电器用橡胶线绝缘层。
所用的原料中，CPE优先选择氯含量为33％～37％，门尼粘度(ML 1+4，121℃)为70～80的CPE，优选杭州科利化工的CM352J；
POE优先选择以下两种的混合物：POE 7467，门尼粘度(ML 1+4，250°F(121℃))19MU，熔融指数1.2g/10min，优选DOW的；POE 8150,门尼粘度(ML 1+4，250°F(121℃))33MU，熔融指数0.5g/10min，优选DOW的；
EPDM优先选择第三单体ENB含量0.8％～1.6％，乙烯含量68％～74％，门尼粘度(ML 1+4，125℃)为16～28，优选三井2032PM；
滑石粉优先选择1250目，粒径50％分布在3～9μm，盐酸不溶物≥90％，氧化镁含量≥30％的滑石粉；
碳酸钙优先选择白度在96度以上，2μm粒径含量在38％以上的重质碳酸钙；
氢氧化镁优先选择白度在93度以上的氢氧化镁，高岭土优先选择白度在90度以上，小于2μm的含量在85％以上的高岭土；
本发明的有益效果是：本发明制备的户外电器用橡胶线绝缘层的绝缘性能、机械性能优良，耐低温，耐老化，且产品无难闻气味。与传统橡胶线相比，本发明制备的橡胶线在低温地区户外使用时，无难闻气味，线缆柔软，使用便捷，用户体验极佳。且长时间在低温环境下使用也不会出现爆皮、裂纹等现象。
同时本发明的制备方法所用的交联设备为紫外线交联机，该设备成本相比电子辐照机价格低，加工原理与电子辐照相似，能耗更低，占地面积更小。
下面结合实施例对本发明的配方做进一步的说明：
实施例1：户外电器用橡胶线绝缘层的原料组成
原料 质量份
CPE 14.0
POE 1 4.0
POE 2 1.0
EPDM 5.0
滑石粉 40.0
碳酸钙 10.0
氢氧化镁 1.0
轻质氧化镁 10.0
高岭土 12.0
绝缘油 1.0
TAIC 5.0
BIPB 1.0
硬脂酸钙 1.0
石蜡 5.0
防老剂 2.0
抗氧剂 2.0
光引发剂 2.0
按说明书技术方案所述制备方法制备。
实施例2：户外电器用橡胶线绝缘层的原料组成
Figure BDA0002874260430000031
Figure BDA0002874260430000041
按说明书技术方案所述制备方法制备。
实施例3：户外电器用橡胶线绝缘层的原料组成
原料 质量份
CPE 20.0
POE 1 8.0
POE 2 7.0
EPDM 15.0
滑石粉 35.0
碳酸钙 12.0
氢氧化镁 4.0
轻质氧化镁 5.0
高岭土 15.0
绝缘油 1.2
TAIC 1.6
BIPB 1.3
硬脂酸钙 1.5
石蜡 2
防老剂 0.3
抗氧剂 0.4
光引发剂 1.0
按说明书技术方案所述制备方法制备。
对比例1：户外电器用橡胶线绝缘层的原料组成
原料 质量份
CPE 90
EPDM 10
滑石粉 15
碳酸钙 5
氢氧化镁 3
轻质氧化镁 10
高岭土 10
绝缘油 1.2
硬脂酸钙 1.5
石蜡 2
防老剂 0.4
抗氧剂 0.5
按说明书技术方案所述制备方法制备。
试验例1.根据《电绝缘橡胶板标准规范》GB11176，美国UL 62标准测量实施例1-3、对照例1产品的各项性能，结果记录于表1。
表1：户外电器用橡胶线绝缘层的性能
Figure BDA0002874260430000051
说明：(1)耐臭氧性能测定条件：据《电绝缘橡胶板标准规范》GB11176进行测定，40℃，3小时；臭氧浓度50±5pphm，使用20％伸长率。
(2)耐油性能体积变化率测定条件：据《电绝缘橡胶板标准规范》GB11176进行测定，2号标准油，23℃，24小时。
从表1中可以看出，用本发明实施例1-3产品，即配方经紫外线辐照交联工艺制成的户外电器用橡胶线绝缘层，与对比例1相比，产品无难闻气味，能够达到汽车行业6级气味标准要求，且具有更好的绝缘性能、机械性能，耐低温性能、耐磨性能及耐老化性能等。说明本发明技术方案所得产品实现了发明目的，POE1、POE2、TAIC、BIPB的加入，对本发明产品性能的提升起到了积极的作用。

Claims (10)

1.一种户外电器用橡胶线绝缘层，含有CPE 10-20份、POE 5-15份、EPDM5-15份、滑石粉35-40份、碳酸钙10-15份、氢氧化镁1-10份、轻质氧化镁1-10份、高岭土5-15份、绝缘油1-5份、交联助剂1-5份、交联剂1-5份、硬脂酸钙1-5份、石蜡1-5份、防老剂0.3-2份、抗氧剂0.2-2份、光引发剂1-3份。
2.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述CPE为氯含量为33％～37％，门尼粘度(ML 1+4，121℃)为70～80的CPE。
3.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述POE为以下两种的混合物：POE 7467，门尼粘度(ML 1+4，250°F(121℃))19MU，熔融指数1.2g/10min；POE8150,门尼粘度(ML 1+4，250°F(121℃))33MU，熔融指数0.5g/10min。
4.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述EPDM为第三单体ENB含量0.8％～1.6％，乙烯含量68％～74％，门尼粘度(ML 1+4，125℃)为16～28的三元乙丙胶2032PM。
5.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述滑石粉为1250目，粒径50％分布在3～9μm，盐酸不溶物≥90％，氧化镁含量≥30％的滑石粉。
6.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述碳酸钙为白度在96度以上，2μm粒径含量在38％以上的重质碳酸钙。
7.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述交联助剂为TAIC。
8.根据权利要求1所述户外电器用橡胶线绝缘层，其特征在于，所述交联剂为BIPB。
9.权利要求1所述户外电器用橡胶线绝缘层的制备方法，其特征在于，原料按配比重量先后经过密炼机、开炼机、挤出机、紫外线交联机等设备后制成户外电器用橡胶线绝缘层。
10.根据权利要求9所述户外电器用橡胶线绝缘层的制备方法，其特征在于，包括以下步骤：
步骤1.按原材料投放比例称取各种原料，按先后顺序投放到密练锅里，投放后温度升温至60℃时，打开物料门，升起上顶栓，清扫一次，到达70℃、80℃时再各翻一次；
步骤2.然后设置好温度，待温度达到后，加入硫化剂，设定好硫化温度继续翻料；
步骤3.出料后再放入开炼机中混炼，加工薄片状胶条，然后再经过冷喂料挤出机寄出成型，其中冷喂料挤出机机头温度85～95℃，机身一段温度65～75℃，机身二段温度75～85℃，挤出速度85米/分钟；
步骤4.挤出成型后，再经过紫外线交联加工，得到户外电器用橡胶线绝缘层。
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CN103242568A (zh) * 2013-05-21 2013-08-14 王磊 一种橡胶坝袋表层保护层材料
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CN110643118A (zh) * 2019-10-12 2020-01-03 航天瑞奇电缆有限公司 一种高性能通用橡套绝缘胶料及其制备方法

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CN103242568A (zh) * 2013-05-21 2013-08-14 王磊 一种橡胶坝袋表层保护层材料
CN103319793A (zh) * 2013-07-15 2013-09-25 扬州华声电子实业有限公司 一种低气味电线电缆用绝缘橡胶及其制备方法
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Application publication date: 20210511