CN108503965A - 一种高绝缘性氯化聚乙烯轨道电缆绝缘料及其制备方法 - Google Patents
一种高绝缘性氯化聚乙烯轨道电缆绝缘料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种高绝缘性氯化聚乙烯轨道电缆绝缘料及其制备方法。其中一种高绝缘性氯化聚乙烯轨道电缆绝缘料,原料按如下重量份组成:氯化聚乙烯40~50份、三元乙丙胶40~50份、硬脂酸钙10~15份、硅酸铝3~5份、氧化镁3~5份、氧化锡8~10份、增塑剂3~5份、重钙10~15份、润滑剂2~5份、稳定剂4~6份、抗氧化剂1~3份。本发明生产出的电缆料具有良好的电气性能和机械物理性能,良好的耐候性和耐高温性能。
Description
技术领域
本发明属于轨道电缆领域,具体涉及一种高绝缘性氯化聚乙烯轨道电缆绝缘料及其制备方法。
背景技术
电线电缆是通用的输电材料,在使用过程中均要求具有一定的绝缘性能。电线电缆常用的绝缘材料有热塑性弹性体(TPE)、聚氯乙烯(PVC)、低密度聚乙烯(LDPE)、交联合成聚合物(XL)、氯化聚乙烯(CPE)及三元乙丙橡胶等。其中,氯化聚乙烯(CPE)是由高密度聚乙烯(HDPE)经氯化取代反应制得的高分子材料。
CPE具有优良的耐侯性、耐臭氧、耐化学药品及耐老化性能,耐油性、阻燃性能好,与PVC,PE和SR等其他高分子材料可以以不同比例混容,综合性能优良。在氯化聚乙烯用于电线电缆方面中,早前为了保证电线的绝缘性能,多使用三元乙丙橡胶制作,由于三元乙丙胶价格很高,后来发展到采用氯化聚乙烯橡胶与三元乙丙按一定比例混用,如何在配方体系中更多的使用低价的氯化聚乙烯橡胶或者完全使用氯化聚乙烯橡胶以降低整体成本就是一个很重要的议题,氯化聚乙烯橡胶在配方中的比例由其电绝缘性能决定,电绝缘性能越好比例就可以越大甚至完全取代。氯化聚乙烯的绝缘性与其生产工艺有一定的关系。目前氯化聚乙烯(CPE)生产工艺主要有水相悬浮法和酸相悬浮法,传统的水相悬浮法要经过脱酸、中和、脱碱等过程,会带来较多的导电离子,且这些导电离子无法完全去除,对电气性能有较大影响。另外,采用酸相悬浮法由于产品含酸的浓度较高(约28%),后续所用的真空过滤机、离心机、干燥机等设备均需要采用耐酸性非常好的材料制作,投资费用很高,而且该方法制得的物料粒子比较粗,需要对其进行研磨,需要耗费较多的电能,加之其生产要采用专用的去离子水,因此,其整个生产成本也很高,经济价值不明显。
发明内容
本发明提供了一种高绝缘性氯化聚乙烯轨道电缆绝缘料及其制备方法,以解决上述技术问题。
为了解决上述技术问题,本发明采用的技术方案是:
一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:氯化聚乙烯40~50份、三元乙丙胶40~50份、硬脂酸钙10~15份、硅酸铝3~ 5份、氧化镁3~5份、氧化锡8~10份、增塑剂3~5份、重钙10~15份、润滑剂2~5份、稳定剂4~6份、抗氧化剂1~3份。
优选的,一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:氯化聚乙烯40份、三元乙丙胶40份、硬脂酸钙10份、硅酸铝3份、氧化镁3份、氧化锡8份、增塑剂3份、重钙10份、润滑剂2份、稳定剂4 份、抗氧化剂1份。
优选的,一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:氯化聚乙烯45份、三元乙丙胶45份、硬脂酸钙12.5份、硅酸铝4份、氧化镁4份、氧化锡9份、增塑剂4份、重钙12.5份、润滑剂3.5份、稳定剂5份、抗氧化剂2份。
优选的,一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:氯化聚乙烯50份、三元乙丙胶50份、硬脂酸钙15份、硅酸铝5份、氧化镁5份、氧化锡10份、增塑剂5份、重钙15份、润滑剂5份、稳定剂6 份、抗氧化剂3份。
一种高绝缘性氯化聚乙烯轨道电缆绝缘料的制备方法,其特征在于,包括以下步骤:
(1)按重量份取上述原料中的各个组分,并均匀混合;
(2)将步骤(1)中所得的原料通过捏合机捏合处理;
(3)将步骤(2)中所得的原料投入双螺杆挤出机进行挤出造粒;
(4)将步骤(3)中所得的造粒经风冷、筛选磁选、计量、包装,即得所需的高绝缘性氯化聚乙烯轨道电缆绝缘料。
本发明的有益效果:
本发明提供一种高绝缘性氯化聚乙烯轨道电缆绝缘料及其制备方法,生产出的电缆料具有良好的电气性能和机械物理性能,良好的耐候性和耐高温性能。
具体实施方式
以下对本发明的实施例进行详细说明,但是本发明可以由权利要求限定和覆盖的多种不同方式实施。
实施例1
一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:
氯化聚乙烯40份、三元乙丙胶40份、硬脂酸钙10份、硅酸铝3份、氧化镁3份、氧化锡8份、增塑剂3份、重钙10份、润滑剂2份、稳定剂4份、抗氧化剂1份。
一种高绝缘性氯化聚乙烯轨道电缆绝缘料的制备方法,包括以下步骤:
(1)按重量份取上述原料中的各个组分,并均匀混合;
(2)将步骤(1)中所得的原料通过捏合机捏合处理;
(3)将步骤(2)中所得的原料投入双螺杆挤出机进行挤出造粒;
(4)将步骤(3)中所得的造粒经风冷、筛选磁选、计量、包装,即得所需的高绝缘性氯化聚乙烯轨道电缆绝缘料。
以下各实施例与实施例1的区别仅在于:
实施例2
一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:
氯化聚乙烯45份、三元乙丙胶45份、硬脂酸钙12.5份、硅酸铝4份、氧化镁4份、氧化锡9份、增塑剂4份、重钙12.5份、润滑剂3.5份、稳定剂5份、抗氧化剂2份。
实施例3
一种高绝缘性氯化聚乙烯轨道电缆绝缘料,由以下原料按重量份组成:
氯化聚乙烯50份、三元乙丙胶50份、硬脂酸钙15份、硅酸铝5份、氧化镁5份、氧化锡10份、增塑剂5份、重钙15份、润滑剂5份、稳定剂6 份、抗氧化剂3份。
以上所述的本发明实施方式,并不构成对本发明保护范围的限定,任何在本发明的精神和原则之内所作的修改、等同替换和改进等,均应包含在本发明的权利要求保护范围之内。
Claims (5)
1.一种高绝缘性氯化聚乙烯轨道电缆绝缘料,其特征在于,由以下原料按重量份组成:氯化聚乙烯40~50份、三元乙丙胶40~50份、硬脂酸钙10~15份、硅酸铝3~5份、氧化镁3~5份、氧化锡8~10份、增塑剂3~5份、重钙10~15份、润滑剂2~5份、稳定剂4~6份、抗氧化剂1~3份。
2.根据权利要求1所述的高绝缘性氯化聚乙烯轨道电缆绝缘料,其特征在于,由以下原料按重量份组成:氯化聚乙烯40份、三元乙丙胶40份、硬脂酸钙10份、硅酸铝3份、氧化镁3份、氧化锡8份、增塑剂3份、重钙10份、润滑剂2份、稳定剂4份、抗氧化剂1份。
3.根据权利要求1所述的高绝缘性氯化聚乙烯轨道电缆绝缘料,其特征在于,由以下原料按重量份组成:氯化聚乙烯45份、三元乙丙胶45份、硬脂酸钙12.5份、硅酸铝4份、氧化镁4份、氧化锡9份、增塑剂4份、重钙12.5份、润滑剂3.5份、稳定剂5份、抗氧化剂2份。
4.根据权利要求1所述的高绝缘性氯化聚乙烯轨道电缆绝缘料,其特征在于,由以下原料按重量份组成:氯化聚乙烯50份、三元乙丙胶50份、硬脂酸钙15份、硅酸铝5份、氧化镁5份、氧化锡10份、增塑剂5份、重钙15份、润滑剂5份、稳定剂6份、抗氧化剂3份。
5.如权利要求1-4任意一项所述的高绝缘性氯化聚乙烯轨道电缆绝缘料的制备方法,其特征在于,包括以下步骤:
(1)按重量份取上述原料中的各个组分,并均匀混合;
(2)将步骤(1)中所得的原料通过捏合机捏合处理;
(3)将步骤(2)中所得的原料投入双螺杆挤出机进行挤出造粒;
(4)将步骤(3)中所得的造粒经风冷、筛选磁选、计量、包装,即得所需的高绝缘性氯化聚乙烯轨道电缆绝缘料。
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CN112300504A (zh) * | 2020-11-11 | 2021-02-02 | 安徽博泰装饰材料有限公司 | 一种高强度隔热条及其制备方法 |
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CN107778674A (zh) * | 2017-10-30 | 2018-03-09 | 嘉兴创奇电缆有限公司 | 一种氯化聚乙烯电缆料 |
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CN104312026A (zh) * | 2014-11-06 | 2015-01-28 | 镇江中佳电器有限公司 | 一种防油防水绝缘电缆料及其制备方法 |
CN105153554A (zh) * | 2015-09-24 | 2015-12-16 | 扬州华声电子实业有限公司 | 一种高绝缘电阻耐油电线电缆用绝缘橡胶 |
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CN112300504A (zh) * | 2020-11-11 | 2021-02-02 | 安徽博泰装饰材料有限公司 | 一种高强度隔热条及其制备方法 |
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