CN111690211A - 一种耐水电缆护套料 - Google Patents
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Abstract
本发明涉及一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:90~118份;轻质氧化镁:4~13份;聚乙烯蜡:1~5份;稳定剂:1~4份;乙氧基三(2‑甲氧基乙氧基)硅烷:0.3~1.3份;β‑(3,5‑二叔丁基‑4‑羟基苯基)丙酸十八碳醇酯:0.5~1.8份;阻水剂:1~3份;滑石粉:70~90份;炭黑:16~25份;阻燃剂:2.2~6.5份;偏苯三酸三辛酯:16~28份;三羟甲基丙烷三甲基丙烯酸酯:0.8~2.2份;交联剂TAIC:0.8~2份;2,5‑二甲基‑2,5‑双‑(过氧化叔丁基)己烷:1.5~4份。该护套料制备的电缆护套具有优异的防水、耐水性能,可长期耐水。
Description
技术领域
本发明涉及电缆技术领域,尤其涉及一种耐水电缆护套料。
背景技术
电缆是一种电能或信号传输装置,通常是由几根或几组导线组成。电缆护套是电缆的最外层,如聚氯乙烯护套。作为电缆的外护套,必须具备耐紫外线辐射老化、耐热老化、耐磨、耐水等优点。其中耐水电缆可用于潜水泵及水深小于10m,水温低于40℃的类似水下工业的应用,也适用于干燥和潮湿环境的应用。因此,作为耐水电缆的外护套,除了具备优异的防水性能,还需要具备良好的耐水性能,能够长时间耐水。
市面上现有的耐水电缆的种类较多,例如专利号为201510346127.3的中国专利,提供了一种抗热耐水电缆料及其制备方法,该电缆料的配方中加入了石墨、硼砂和硅藻泥,其简单的通过这些疏水材料本身的疏水性能来起到防水耐水的作用,其耐水效果并不优异。
例如专利号为201710652969.0的中国专利,提供了一种耐水电缆护套,其并没有阐述各组分之间的协同作用,其耐水效果也有待商榷。
发明内容
解决的技术问题:针对现有的电缆在长时间耐水性能方面存在的缺陷,本发明提供一种耐水电缆护套料,该护套料制备的电缆护套具有优异的防水、耐水性能,符合耐水电缆对耐水性能的要求,可长期耐水,并且可作为H07RN8-F的电缆护套料。
技术方案:一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:90~118份;轻质氧化镁:4~13份;聚乙烯蜡:1~5份;稳定剂:1~4份;乙氧基三(2-甲氧基乙氧基)硅烷:0.3~1.3份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:0.5~1.8份;阻水剂:1~3份;滑石粉:70~90份;炭黑:16~25份;阻燃剂:2.2~6.5份;偏苯三酸三辛酯:16~28份;三羟甲基丙烷三甲基丙烯酸酯:0.8~2.2份;交联剂TAIC:0.8~2份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:1.5~4份。
上述所述的一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:95~108份;轻质氧化镁:6~10份;聚乙烯蜡:2~4份;稳定剂:1.5~3份;乙氧基三(2-甲氧基乙氧基)硅烷:0.5~1份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:0.7~1.3份;阻水剂:1.6~2.5份;滑石粉:76~84份;炭黑:18~23份;阻燃剂:3~5.2份;偏苯三酸三辛酯:19~25份;三羟甲基丙烷三甲基丙烯酸酯:1~2份;交联剂TAIC:1.2~1.8份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2~3份。
上述所述的一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:100份;轻质氧化镁:8份;聚乙烯蜡:3份;稳定剂:2份;乙氧基三(2-甲氧基乙氧基)硅烷:0.8份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:1份;阻水剂:2份;滑石粉:80份;炭黑:20份;阻燃剂:4份;偏苯三酸三辛酯:22份;三羟甲基丙烷三甲基丙烯酸酯:1.5份;交联剂TAIC:1.5份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2.5份。
上述所述的稳定剂为三盐基硫酸铅、二盐基亚磷酸铅、二盐基硬脂酸铅、硬脂酸稀土或水杨酸稀土盐中的一种或几种。
上述所述的阻燃剂为磷酸三丁酯、磷酸三(2,3-二溴丙基)酯、氯丹酸酐、三氯溴甲烷或二氯溴甲烷中的一种或几种。
有益效果:本发明提供的一种耐水电缆护套料,具有以下有益效果:
1.配方中加入了阻水剂这个组分,改变了传统配方的选材思路,大大降低了电缆护套的吸水性;
2.配方中加入了乙氧基三(2-甲氧基乙氧基)硅烷,与其他组分配和后,有效封堵了电缆护套配方中低分子材料由内而外迁移形成的微观通道,阻止了水分的渗入同时也阻止了电子的移动,在降低了吸水性的同时也提高了电性能;
3.配方中的对交联体系采用了三羟甲基丙烷三甲基丙烯酸酯,发挥了交联体系的协同效应,改善了交联密度,提高了抗水性,也改善了电缆护套的物理性能、电气性能与老化性能;
4.配方中稳定剂与其他组分配合后,制备得到的护套料的绝缘性能、耐候性能、耐老化性能都有很好的提高,并且可以使护套料塑化均匀,提高塑化速率,改善流动性,便于挤出加工,并且质量稳定;
5.配方中的阻燃剂与其他各组分经过加工配合后,当电缆料受到外界火源攻击时,能够有效地阻止、延缓或终止火焰的传播,从而起到阻燃的作用;
6.本发明的配方中各必备材料体系中同类材料进行反复调换对比,最后筛选出的各组分相互协同,使得制备得到的电缆护套料具有优异的疏水性能,耐水时间长。
具体实施方式
以下实施例中使用的阻水剂购自日本协和。
以下实施例1-5中的电缆护套料的制备步骤如下:先将氯化聚乙烯橡胶、轻质氧化镁、聚乙烯蜡、滑石粉、炭黑在高速混合机中搅拌均匀,控制搅拌速度为600~800r/min;接着向高速混合机中加入稳定剂、乙氧基三(2-甲氧基乙氧基)硅烷、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯、阻水剂、阻燃剂、偏苯三酸三辛酯、三羟甲基丙烷三甲基丙烯酸酯、交联剂TAIC、2,5-二甲基-2,5-双-(过氧化叔丁基)己烷,控制搅拌速度为400~600r/min,搅拌混合均匀;最后将高速混合机中的物料通过双螺杆挤出机挤出造粒,即得到电缆护套料。
实施例1
本实施例提供一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:90份;轻质氧化镁:4份;聚乙烯蜡:1份;二盐基硬脂酸铅:1份;乙氧基三(2-甲氧基乙氧基)硅烷:0.3份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:0.5份;阻水剂:1份;滑石粉:70份;炭黑:16份;磷酸三丁酯:2.2份;偏苯三酸三辛酯:16份;三羟甲基丙烷三甲基丙烯酸酯:0.8份;交联剂TAIC:0.8份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:1.5份。
实施例2
本实施例提供一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:95份;轻质氧化镁:6份;聚乙烯蜡:2份;二盐基硬脂酸铅:1.5份;乙氧基三(2-甲氧基乙氧基)硅烷:0.5份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:0.7份;阻水剂:1.6份;滑石粉:76份;炭黑:18份;磷酸三丁酯:3份;偏苯三酸三辛酯:19份;三羟甲基丙烷三甲基丙烯酸酯:1份;交联剂TAIC:1.2份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2份。
实施例3
本实施例提供一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:108份;轻质氧化镁:10份;聚乙烯蜡:4份;二盐基硬脂酸铅:3份;乙氧基三(2-甲氧基乙氧基)硅烷:1份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:1.3份;阻水剂:2.5份;滑石粉:84份;炭黑:23份;磷酸三丁酯:5.2份;偏苯三酸三辛酯:25份;三羟甲基丙烷三甲基丙烯酸酯:2份;交联剂TAIC:1.8份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:3份。
实施例4
本实施例提供一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:100份;轻质氧化镁:8份;聚乙烯蜡:3份;二盐基硬脂酸铅:2.5份;乙氧基三(2-甲氧基乙氧基)硅烷:0.5份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:1份;阻水剂:1.5份;滑石粉:80份;炭黑:20份;磷酸三丁酯:4份;偏苯三酸三辛酯:22份;三羟甲基丙烷三甲基丙烯酸酯:1.5份;交联剂TAIC:1.5份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2.5份。
实施例5
本实施例提供一种耐水电缆护套料,以质量份计含有以下成分:氯化聚乙烯橡胶:100份;轻质氧化镁:8份;聚乙烯蜡:3份;二盐基硬脂酸铅:2份;乙氧基三(2-甲氧基乙氧基)硅烷:1份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:1份;阻水剂:2份;滑石粉:80份;炭黑:20份;磷酸三丁酯:4份;偏苯三酸三辛酯:22份;三羟甲基丙烷三甲基丙烯酸酯:1.5份;交联剂TAIC:1.5份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2.5份。
接着对实施例1~实施例5制备得到的电缆护套料进行性能检测,具体检测如下:
1.泡水电气性能测试
采用上述实施例1~实施例5制备得到的电缆护套料制备H07RN8-F3*1.5电缆护套,制备得到的电缆护套的平均厚度为1.6mm,最薄厚度为1.26mm,将采用实施例1~实施例5制备得到的电缆护套制备H07RN-F3*1.5电缆,标记为样品1、样品2、样品3、样品4、样品5,每个样品长度为25m,选择3组样品进行试验。
将3组样品分别浸泡在(50±2)℃的饮用自来水中分别浸泡24小时、14天和30天,在这期间对电线导体和水体之间施加1千伏的交流电压,3组样品均不允许出现耐压击穿。浸泡完之后,根据EN 50395的第8.1章,在(50±2)℃下进行绝缘电阻测试。测试结果依据EN50395的附录A,测量得到体积电阻值的数据如下:
2.泡水机械性能测试
采用上述实施例1~实施例5制备得到的电缆护套料制备H07RN8-F3*1.5电缆护套,制备得到的电缆护套的平均厚度为1.6mm,最薄厚度为1.26mm,将采用实施例1~实施例5制备得到的电缆护套标记为样品a、样品b、样品c、样品d、样品e,每个样品重量为10.00g,选择两组样品进行试验,分别将两组样品在(50±2)℃的饮用自来水中浸泡28天和100天后,进行抗张强度和断裂延伸率测试以及称重,得到的数据如下:
以上对本发明实施例进行了详细介绍,对于本领域的一般技术人员,依据本发明实施例的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。
Claims (5)
1.一种耐水电缆护套料,其特征在于以质量份计含有以下成分:氯化聚乙烯橡胶:90~118份;轻质氧化镁:4~13份;聚乙烯蜡:1~5份;稳定剂:1~4份;乙氧基三(2-甲氧基乙氧基)硅烷:0.3~1.3份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:0.5~1.8份;阻水剂:1~3份;滑石粉:70~90份;炭黑:16~25份;阻燃剂:2.2~6.5份;偏苯三酸三辛酯:16~28份;三羟甲基丙烷三甲基丙烯酸酯:0.8~2.2份;交联剂TAIC:0.8~2份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:1.5~4份。
2.根据权利要求1所述的一种耐水电缆护套料,其特征在于以质量份计含有以下成分:氯化聚乙烯橡胶:95~108份;轻质氧化镁:6~10份;聚乙烯蜡:2~4份;稳定剂:1.5~3份;乙氧基三(2-甲氧基乙氧基)硅烷:0.5~1份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:0.7~1.3份;阻水剂:1.6~2.5份;滑石粉:76~84份;炭黑:18~23份;阻燃剂:3~5.2份;偏苯三酸三辛酯:19~25份;三羟甲基丙烷三甲基丙烯酸酯:1~2份;交联剂TAIC:1.2~1.8份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2~3份。
3.根据权利要求1所述的一种耐水电缆护套料,其特征在于以质量份计含有以下成分:氯化聚乙烯橡胶:100份;轻质氧化镁:8份;聚乙烯蜡:3份;稳定剂:2份;乙氧基三(2-甲氧基乙氧基)硅烷:0.8份;β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯:1份;阻水剂:2份;滑石粉:80份;炭黑:20份;阻燃剂:4份;偏苯三酸三辛酯:22份;三羟甲基丙烷三甲基丙烯酸酯:1.5份;交联剂TAIC:1.5份;2,5-二甲基-2,5-双-(过氧化叔丁基)己烷:2.5份。
4.根据权利要求1所述的一种耐水电缆护套料,其特征在于:所述稳定剂为三盐基硫酸铅、二盐基亚磷酸铅、二盐基硬脂酸铅、硬脂酸稀土或水杨酸稀土盐中的一种或几种。
5.根据权利要求1所述的一种耐水电缆护套料,其特征在于:所述阻燃剂为磷酸三丁酯、磷酸三(2,3-二溴丙基)酯、氯丹酸酐、三氯溴甲烷或二氯溴甲烷中的一种或几种。
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