CN108794873A - 一种聚乙烯绝缘轨道电缆料及其制备方法 - Google Patents
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Abstract
本发明公开了一种聚乙烯绝缘轨道电缆料及其制备方法。其中一种聚乙烯绝缘轨道电缆料,原料按如下重量份组成:线性低密度聚乙烯60~70份、高密度聚乙烯40~50份、马来酸酐接枝聚乙烯20~30份、聚芳酯20~24份、硬脂酸钙10~16份、氢氧化铝10~15份、轻质碳酸钙8~10份、硅烷交联剂1~3份、流变剂1~2份、复合抗氧剂1~3份、催化剂0.5~1份、光稳定剂1~3份。本发明各原料相容性好,所制产品力学性能好,阻燃性优,绝缘性佳,值得推广。
Description
技术领域
本发明属于轨道电缆领域,具体涉及一种聚乙烯绝缘轨道电缆料及其制备方法。
背景技术
随着社会不断进步,科技不断发展,人们对低烟无卤阻燃材料的需求越来越大。在许多大型公共场所,为避免电缆着火造成的二次灾难,(电缆燃烧时产生大量的烟雾和酸性气体)。对专供传输电能和通讯信号使用的电线电缆,不仅要求具有在电缆及周围环境着火时,具有可阻止火焰蔓延等阻燃性能,并能维持电缆继续传输电能和通讯信号,而且在燃烧时还应具有低发烟量,产生气体腐蚀性低,利于工作人员安全撤离现场的性能,即应使电缆具有无卤、低烟、阻燃等性能。
现有聚乙烯电缆料力学性能虽较好,但阻燃性较差,当添加较多的阻燃材料后,阻燃性得到提高,但力学性能又会下降,使得聚乙烯电缆料的推广受到阻碍,因此需改善配方,研制出一种力学性能和阻燃性能均较好的聚乙烯电缆料。
发明内容
本发明提供了一种聚乙烯绝缘轨道电缆料及其制备方法,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:
一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:线性低密度聚乙烯60~70份、高密度聚乙烯40~50份、马来酸酐接枝聚乙烯20~30份、聚芳酯20~24份、硬脂酸钙10~16份、氢氧化铝10~15份、轻质碳酸钙8~10份、硅烷交联剂1~3份、流变剂1~2份、复合抗氧剂1~3份、催化剂0.5~ 1份、光稳定剂1~3份。
优选的,一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:线性低密度聚乙烯60份、高密度聚乙烯40份、马来酸酐接枝聚乙烯20份、聚芳酯 20份、硬脂酸钙10份、氢氧化铝10份、轻质碳酸钙8份、硅烷交联剂1份、流变剂1份、复合抗氧剂1份、催化剂0.5份、光稳定剂1份。
优选的,一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:线性低密度聚乙烯65份、高密度聚乙烯45份、马来酸酐接枝聚乙烯25份、聚芳酯 22份、硬脂酸钙14份、氢氧化铝12.5份、轻质碳酸钙9份、硅烷交联剂2 份、流变剂1.5份、复合抗氧剂2份、催化剂0.75份、光稳定剂2份。
优选的,一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:线性低密度聚乙烯70份、高密度聚乙烯50份、马来酸酐接枝聚乙烯30份、聚芳酯 24份、硬脂酸钙16份、氢氧化铝15份、轻质碳酸钙10份、硅烷交联剂3 份、流变剂2份、复合抗氧剂3份、催化剂1份、光稳定剂3份。
一种聚乙烯绝缘轨道电缆料的制备方法,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)中所得的造粒经水冷、风干、筛选磁选、计量、包装,即得所需的聚乙烯绝缘轨道电缆料。
本发明的有益效果:
本发明各原料相容性好,所制产品力学性能好,阻燃性优,绝缘性佳,值得推广。
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
一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:
线性低密度聚乙烯60份、高密度聚乙烯40份、马来酸酐接枝聚乙烯20 份、聚芳酯20份、硬脂酸钙10份、氢氧化铝10份、轻质碳酸钙8份、硅烷交联剂1份、流变剂1份、复合抗氧剂1份、催化剂0.5份、光稳定剂1份。
一种聚乙烯绝缘轨道电缆料的制备方法,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)中所得的造粒经水冷、风干、筛选磁选、计量、包装,即得所需的聚乙烯绝缘轨道电缆料。
以下各实施例与实施例1的区别仅在于:
实施例2
一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:
线性低密度聚乙烯65份、高密度聚乙烯45份、马来酸酐接枝聚乙烯25 份、聚芳酯22份、硬脂酸钙14份、氢氧化铝12.5份、轻质碳酸钙9份、硅烷交联剂2份、流变剂1.5份、复合抗氧剂2份、催化剂0.75份、光稳定剂 2份。
实施例3
一种聚乙烯绝缘轨道电缆料,由以下原料按重量份组成:
线性低密度聚乙烯70份、高密度聚乙烯50份、马来酸酐接枝聚乙烯30 份、聚芳酯24份、硬脂酸钙16份、氢氧化铝15份、轻质碳酸钙10份、硅烷交联剂3份、流变剂2份、复合抗氧剂3份、催化剂1份、光稳定剂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)
1.一种聚乙烯绝缘轨道电缆料,其特征在于,由以下原料按重量份组成:线性低密度聚乙烯60~70份、高密度聚乙烯40~50份、马来酸酐接枝聚乙烯20~30份、聚芳酯20~24份、硬脂酸钙10~16份、氢氧化铝10~15份、轻质碳酸钙8~10份、硅烷交联剂1~3份、流变剂1~2份、复合抗氧剂1~3份、催化剂0.5~1份、光稳定剂1~3份。
2.根据权利要求1所述的聚乙烯绝缘轨道电缆料,其特征在于,由以下原料按重量份组成:线性低密度聚乙烯60份、高密度聚乙烯40份、马来酸酐接枝聚乙烯20份、聚芳酯20份、硬脂酸钙10份、氢氧化铝10份、轻质碳酸钙8份、硅烷交联剂1份、流变剂1份、复合抗氧剂1份、催化剂0.5份、光稳定剂1份。
3.根据权利要求1所述的聚乙烯绝缘轨道电缆料,其特征在于,由以下原料按重量份组成:线性低密度聚乙烯65份、高密度聚乙烯45份、马来酸酐接枝聚乙烯25份、聚芳酯22份、硬脂酸钙14份、氢氧化铝12.5份、轻质碳酸钙9份、硅烷交联剂2份、流变剂1.5份、复合抗氧剂2份、催化剂0.75份、光稳定剂2份。
4.根据权利要求1所述的聚乙烯绝缘轨道电缆料,其特征在于,由以下原料按重量份组成:线性低密度聚乙烯70份、高密度聚乙烯50份、马来酸酐接枝聚乙烯30份、聚芳酯24份、硬脂酸钙16份、氢氧化铝15份、轻质碳酸钙10份、硅烷交联剂3份、流变剂2份、复合抗氧剂3份、催化剂1份、光稳定剂3份。
5.如权利要求1-4任意一项所述的聚乙烯绝缘轨道电缆料的制备方法,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)中所得的造粒经水冷、风干、筛选磁选、计量、包装,即得所需的聚乙烯绝缘轨道电缆料。
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