CN103571008B - 一种低烟无卤阻燃聚烯烃电缆料 - Google Patents

一种低烟无卤阻燃聚烯烃电缆料 Download PDF

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CN103571008B
CN103571008B CN201310464239.XA CN201310464239A CN103571008B CN 103571008 B CN103571008 B CN 103571008B CN 201310464239 A CN201310464239 A CN 201310464239A CN 103571008 B CN103571008 B CN 103571008B
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何成龙
何源
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Wuhu Spaceflight Special Cable Factory Co Ltd
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Abstract

本发明提供了一种低烟无卤阻燃聚烯烃电缆料,由下列重量份的原料制成:乙烯-醋酸乙烯酯共聚物(EVA)30-40,高密度聚乙烯(HDPE)?50-70,氯化聚乙烯4-5、低密度聚乙烯15-20,氢氧化铝〔Al(OH)3〕40-50,氢氧化镁〔Mg(OH)2〕?30-40,端胺基多元醇酯5-6,磷酸三丁酯2-3,环氧大豆油5-8、甘油5-7、抗氧剂1035??1-2、硬脂酸钡1-2、纳米碳化硅1-2、二缩三丙二醇二丙烯酸酯1-2、磷酸酯1-2、PE蜡1.0-3.0、硅烷偶联剂KH-5501-2、硬脂酸锌1-2、改性填料15-18。本发明由于采用了以上技术方案,因此明显了低烟无卤阻燃聚烯烃电缆料的分散性能,提高了材料体系的均匀度与表面光洁度。

Description

一种低烟无卤阻燃聚烯烃电缆料
技术领域
本发明涉及电缆料领域,具体涉及一种低烟无卤阻燃聚烯烃电缆料及其制备方法。
背景技术
随着全球经济的迅猛发展,及人类环保意识的增强,各领域对电线电缆的质量和性能的要求越来越高,因电线、电缆的老化而引发的火灾也越来越多,如何降低火灾的发生率及发生火灾的时的死亡率,低烟、无卤、阻燃、环保也成为电线电缆行业的发展方向。其中无卤低烟阻燃电缆料的需求量越来越大,目前无卤低烟阻燃电缆料的生产大多是在聚烯烃基材中加入大量的氢氧化镁或氢氧化镁来达到阻燃效果,然而,大量无机材料的加入,影响了电缆料的物理机械性能和加工工艺性能,其在常温下柔软性能、耐气候性差、耐油性、耐低温性能都不是很好。
发明内容
本发明提供了一种低烟无卤阻燃聚烯烃电缆料。
本发明采用的技术方案为:
一种低烟无卤阻燃聚烯烃电缆料,其特征在于:由下列重量份的原料制成:乙烯-醋酸乙烯酯共聚物(EVA)30-40,高密度聚乙烯(HDPE)50-70,氯化聚乙烯4-5、低密度聚乙烯15-20,氢氧化铝〔 Al(OH)3〕40-50,氢氧化镁〔 Mg(OH)2〕30-40,端胺基多元醇酯5-6,磷酸三丁酯2-3,环氧大豆油5-8、甘油5-7抗氧剂10351-2、 硬脂酸钡1-2、纳米碳化硅1-2、二缩三丙二醇二丙烯酸酯1-2、磷酸酯1-2、PE蜡1.0-3.0、硅烷偶联剂KH-5501-2、 硬脂酸锌1-2、改性填料15-18。
所述的低烟无卤阻燃聚烯烃电缆料,其特征在于,由下列重量份的组分原料制备而得:乙烯-醋酸乙烯酯共聚物(EVA)35,高密度聚乙烯(HDPE)60,氯化聚乙烯4,低密度聚乙烯18,氢氧化铝〔 Al(OH)3〕45,氢氧化镁〔 Mg(OH)2〕35,端胺基多元醇酯5,磷酸三丁酯2,环氧大豆油7,甘油,6,抗氧剂10351, 硬脂酸钡2、纳米碳化硅1、二缩三丙二醇二丙烯酸酯2、磷酸酯2、PE蜡1.5、硅烷偶联剂KH-5501、 硬脂酸锌2、改性填料17。
所述的低烟无卤阻燃聚烯烃电缆料,其特征在于,所述的改性填料是通过下列方法制备而得:
将沸石在500-550℃下煅烧3-4小时,取出后,加入3-4%的氢氧化钠溶液中研磨1-2小时,然后,加入12-15%的盐酸溶液,调节 pH值为4-5,陈化10-15小时,再加氢氧化钠溶液调节研磨液pH为中性,过滤,烘干得到填料粉末,然后,向所得粉末中加入相当于粉末重量1-2%的檀香精油、4-5%纳米玉石粉、1-2%的棕榈酸锌、1-2%的 硬脂酸锌钙、共同研磨1-2小时后,再加入相当于粉末重量2-3%的甲基三乙氧基硅烷、2-3%聚乙二醇6000、2-3%的吗啉,10000-13000转/分的高速分散均匀,即得。
按配方比例称取各组分原料,将称取的组分原料,在高速混合机中搅拌均匀,再在125-165℃的温度区间下经密炼机密炼,双螺杆挤出,磨面热切造粒,旋风分离机送料,振动筛筛分然后包装,即制得低烟无卤阻燃聚烯烃电缆料成品。
与现有技术相比,本发明由于采用了以上技术方案,因此明显了低烟无卤阻燃聚烯烃电缆料的分散性能,提高了材料体系的均匀度与表面光洁度。
具体实施方式
低烟无卤阻燃聚烯烃电缆料,由下列重量(kg)的原料制成:
乙烯-醋酸乙烯酯共聚物(EVA)35,高密度聚乙烯(HDPE)60,氯化聚乙烯4,低密度聚乙烯18,氢氧化铝〔 Al(OH)3〕45,氢氧化镁〔 Mg(OH)2〕35,端胺基多元醇酯5,磷酸三丁酯2,环氧大豆油7,甘油,6,抗氧剂10351, 硬脂酸钡2、纳米碳化硅1、二缩三丙二醇二丙烯酸酯2、磷酸酯2、PE蜡1.5、硅烷偶联剂KH-5501、 硬脂酸锌2、改性填料17。
本发明的电缆料的制备方法:
按配方比例称取各组分原料,将称取的组分原料,在高速混合机中搅拌均匀,再在125-165℃的温度区间下经密炼机密炼,双螺杆挤出,磨面热切造粒,旋风分离机送料,振动筛筛分然后包装,即制得低烟无卤阻燃聚烯烃电缆料成品。
其中,改性填料是通过下列方法制备而得:
将沸石在520℃下煅烧4小时,取出后,加入4%的氢氧化钠溶液中研磨1.5小时,然后,加入15%的盐酸溶液,调节 pH值为4,陈化12小时,再加氢氧化钠溶液调节研磨液pH为中性,过滤,烘干得到填料粉末,然后,向所得粉末中加入相当于粉末重量1%的檀香精油、4.5%纳米玉石粉、2%的棕榈酸锌、1%的 硬脂酸锌钙、共同研磨2小时后,再加入相当于粉末重量3%的甲基三乙氧基硅烷、2%聚乙二醇6000、2%的吗啉,10000-13000转/分的高速分散均匀,即得。
本实施例制得的电缆料的性能测试结果如下表:

Claims (2)

1.一种低烟无卤阻燃聚烯烃电缆料,其特征在于:由下列重量份的原料制成:乙烯-醋酸乙烯酯共聚物(EVA)30-40,高密度聚乙烯(HDPE)50-70,氯化聚乙烯4-5、低密度聚乙烯15-20,氢氧化铝〔Al(OH)3〕40-50,氢氧化镁〔Mg(OH)2〕30-40,端胺基多元醇酯5-6,磷酸三丁酯2-3,环氧大豆油5-8、甘油5-7抗氧剂10351-2、 硬脂酸钡1-2、纳米碳化硅1-2、二缩三丙二醇二丙烯酸酯1-2、磷酸酯1-2、PE蜡1.0-3.0、硅烷偶联剂KH-5501-2、 硬脂酸锌1-2、改性填料15-18;
所述的改性填料是通过下列方法制备而得:将沸石在500-550℃下煅烧3-4小时,取出后,加入3-4%的氢氧化钠溶液中研磨1-2小时,然后,加入12-15%的盐酸溶液,调节pH值为4-5,陈化10-15小时,再加氢氧化钠溶液调节研磨液pH为中性,过滤,烘干得到填料粉末,然后,向所得粉末中加入相当于粉末重量1-2%的檀香精油、4-5%纳米玉石粉、1-2%的棕榈酸锌、1-2%的 硬脂酸锌钙、共同研磨1-2小时后,再加入相当于粉末重量2-3%的甲基三乙氧基硅烷、2-3%聚乙二醇6000、2-3%的吗啉,10000-13000转/分的高速分散均匀,即得。
2.根据权利要求1所述的低烟无卤阻燃聚烯烃电缆料,其特征在于,由下列重量份的组分原料制备而得:乙烯-醋酸乙烯酯共聚物(EVA)35,高密度聚乙烯(HDPE)60,氯化聚乙烯4,低密度聚乙烯18,氢氧化铝〔Al(OH)3〕45,氢氧化镁〔Mg(OH)2〕35,端胺基多元醇酯5,磷酸三丁酯2,环氧大豆油7,甘油,6,抗氧剂10351, 硬脂酸 钡2、纳米碳化硅1、二缩三丙二醇二丙烯酸酯2、磷酸酯2、PE蜡1.5、硅烷偶联剂KH-5501、 硬脂酸锌2、改性填料17。
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