CN103524848A - 一种机车线缆用热塑性低烟无卤阻燃护套料及其制备方法 - Google Patents

一种机车线缆用热塑性低烟无卤阻燃护套料及其制备方法 Download PDF

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CN103524848A
CN103524848A CN201310462094.XA CN201310462094A CN103524848A CN 103524848 A CN103524848 A CN 103524848A CN 201310462094 A CN201310462094 A CN 201310462094A CN 103524848 A CN103524848 A CN 103524848A
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何成龙
何源
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Abstract

本发明公开了一种机车线缆用热塑性低烟无卤阻燃护套料及其制备方法，其由以下重量份的原料制成：高密度聚乙烯60-80、聚甲醛树酯20-30、聚烯烃弹性体10-15、古马隆树脂5-10、氢氧化镁10-15、氢氧化铝8-12、硼酸锌5-8、二茂铁3-5、三氧化钼4-6、硬脂酸锌2-3、硬脂酸钙1-2、硬脂酸单甘油酯3-4、氧化铍1-2、N-2-（氨乙基）-3-氨丙基三甲氧基硅烷0.5-1.5、抗氧剂MB1-2、抗氧剂2641-2、偏苯三酸三辛酯5-10、硼酸钙10-15、蒙脱土5-10、复合填料3-5。本发明护套料具有优异的耐热性和耐磨性，可在105℃高温下长期使用，刮磨次数大于1000次，且拉伸强度高，耐油性好，阻燃效果好，低烟无卤，安全环保。

Description

一种机车线缆用热塑性低烟无卤阻燃护套料及其制备方法
技术领域
本发明涉及一种线缆护套料及其制备方法，具体涉及一种机车线缆用热塑性低烟无卤阻燃护套料及其制备方法。
背景技术
线缆护套是线缆不可缺少的中间结构部分，起着保护线缆的作用，保证线缆的通电安全，让铜丝和水、空气等介质隔绝，避免出现漏电现象。现代的轨道交通机车的速度越来越高，目前已经超过300km/h，机车长期在如此高的速度下运行，剧烈的振动和摩擦是无法避免的，这就对机车线缆护套材料的耐热性和耐磨性提出了更加严格的要求。
发明内容
本发明的目的在于克服现有技术的不足，提供一种耐热性和耐磨性优异的机车线缆用热塑性低烟无卤阻燃护套料及其制备方法。
本发明采用的技术方案如下：
一种机车线缆用热塑性低烟无卤阻燃护套料，由以下重量份的原料制成：高密度聚乙烯60-80、聚甲醛树酯20-30、聚烯烃弹性体10-15、古马隆树脂5-10、氢氧化镁10-15、氢氧化铝8-12、硼酸锌5-8、二茂铁3-5、三氧化钼4-6、硬脂酸锌2-3、硬脂酸钙1-2、硬脂酸单甘油酯3-4、氧化铍1-2、N-2-（氨乙基）-3-氨丙基三甲氧基硅烷0.5-1.5、抗氧剂MB1-2、抗氧剂2641-2、偏苯三酸三辛酯5-10、硼酸钙10-15、蒙脱土5-10、复合填料3-5；
所述复合填料的制备方法如下：a、按重量比4-6:3-5:2-3称取膨润土、重晶石、独居石，再加入膨润土重量2-3%的煤粉、1-2%的活性炭，混合均匀后540-560℃煅烧3-5h，冷却至常温后粉碎粒径至15μm以下，然后加水打浆制成浓度为40-50%的浆液，加入浓度为10-15%的盐酸溶液调节浆液PH至4.5-5.5，70-80℃水浴加热2-3h，再用浓度为10-15%的氢氧化钠溶液调节PH至中性，然后加入浆液重量2-3%的壬基酚聚氧乙烯醚、3-4%的十二烷基硫酸钠、2-3%的N,N-二(羟基乙基)椰油酰胺、1-2%的粉煤灰、2-3%的聚乙二醇和3-5%的硅酸钠，高速研磨浆料粒径至10μm以下，喷雾干燥成粉末；b、向上述制得的粉末中加入2-3%的玉石粉、1-2%的锆英粉、3-4%的聚丙烯酸钠、1-2%的壳聚糖和0.5-1%的四异丙基二(二辛基亚磷酸酰氧基)钛酸酯，高速剪切分散10-15min即可。
一种机车线缆用热塑性低烟无卤阻燃护套料的制备方法，包括以下步骤：将高速捏合机加热至50-60℃，加入聚甲醛树酯、古马隆树脂、偏苯三酸三辛酯、氧化铍、硼酸锌、二茂铁、复合填料，捏合4-6min；然后升温至80-90℃，加入高密度聚乙烯、聚烯烃弹性体、氢氧化镁、氢氧化铝、三氧化钼、硬脂酸单甘油酯、硼酸钙、蒙脱土，捏合5-10min，再加入其余原料，继续捏合2-3min，降温至45℃以下即可出料；然后将混合料投入双螺杆挤出机进行挤出造粒，双螺杆挤出机的工作温度为155-175℃，最后经风冷、筛选磁选、计量、包装，即得所需的护套料。
本发明的有益效果：
本发明护套料具有优异的耐热性和耐磨性，可在105℃高温下长期使用，刮磨次数大于1000次，且拉伸强度高，耐油性好，阻燃效果好，低烟无卤，安全环保。
具体实施方式
一种机车线缆用热塑性低烟无卤阻燃护套料，由以下重量（kg）的原料制成：高密度聚乙烯70、聚甲醛树酯30、聚烯烃弹性体15、古马隆树脂8、氢氧化镁12、氢氧化铝10、硼酸锌6、二茂铁4、三氧化钼5、硬脂酸锌2、硬脂酸钙1、硬脂酸单甘油酯3、氧化铍1.5、N-2-（氨乙基）-3-氨丙基三甲氧基硅烷1、抗氧剂MB1.5、抗氧剂2642、偏苯三酸三辛酯8、硼酸钙10、蒙脱土10、复合填料4；
所述复合填料的制备方法如下：a、按重量比5:4:3称取膨润土、重晶石、独居石，再加入膨润土重量2%的煤粉、2%的活性炭，混合均匀后540℃煅烧5h，冷却至常温后粉碎粒径至15μm以下，然后加水打浆制成浓度为45%的浆液，加入浓度为10%的盐酸溶液调节浆液PH至5.0，75℃水浴加热2h，再用浓度为12%的氢氧化钠溶液调节PH至中性，然后加入浆液重量3%的壬基酚聚氧乙烯醚、4%的十二烷基硫酸钠、2%的N,N-二(羟基乙基)椰油酰胺、2%的粉煤灰、2%的聚乙二醇和4%的硅酸钠，高速研磨浆料粒径至10μm以下，喷雾干燥成粉末；b、向上述制得的粉末中加入2%的玉石粉、1%的锆英粉、3%的聚丙烯酸钠、2%的壳聚糖和0.6%的四异丙基二(二辛基亚磷酸酰氧基)钛酸酯，高速剪切分散15min即可。
一种机车线缆用热塑性低烟无卤阻燃护套料的制备方法，包括以下步骤：将高速捏合机加热至50-60℃，加入聚甲醛树酯、古马隆树脂、偏苯三酸三辛酯、氧化铍、硼酸锌、二茂铁、复合填料，捏合5min；然后升温至80-90℃，加入高密度聚乙烯、聚烯烃弹性体、氢氧化镁、氢氧化铝、三氧化钼、硬脂酸单甘油酯、硼酸钙、蒙脱土，捏合8min，再加入其余原料，继续捏合3min，降温至45℃以下即可出料；然后将混合料投入双螺杆挤出机进行挤出造粒，双螺杆挤出机的工作温度为155-175℃，最后经风冷、筛选磁选、计量、包装，即得所需的护套料。
制得的护套料的性能测试结果如下：
Figure BDA0000391107060000031

Claims (2)

1.一种机车线缆用热塑性低烟无卤阻燃护套料，其特征在于，由以下重量份的原料制成：高密度聚乙烯60-80、聚甲醛树酯 20-30、聚烯烃弹性体10-15、古马隆树脂5-10、氢氧化镁 10-15、氢氧化铝 8-12、硼酸锌 5-8、二茂铁 3-5、三氧化钼 4-6、硬脂酸锌 2-3、硬脂酸钙 1-2、硬脂酸单甘油酯3-4、氧化铍1-2、N-2-（氨乙基）-3-氨丙基三甲氧基硅烷 0.5-1.5、抗氧剂MB 1-2、抗氧剂264 1-2、偏苯三酸三辛酯 5-10、硼酸钙 10-15、蒙脱土 5-10、复合填料 3-5；
    所述复合填料的制备方法如下：a、按重量比4-6:3-5:2-3称取膨润土、重晶石、独居石，再加入膨润土重量2-3%的煤粉、1-2%的活性炭，混合均匀后540-560℃煅烧3-5h，冷却至常温后粉碎粒径至15μm以下，然后加水打浆制成浓度为40-50%的浆液，加入浓度为10-15%的盐酸溶液调节浆液PH至4.5-5.5，70-80℃水浴加热2-3h，再用浓度为10-15%的氢氧化钠溶液调节PH至中性，然后加入浆液重量2-3%的壬基酚聚氧乙烯醚、3-4%的十二烷基硫酸钠、2-3%的N,N-二(羟基乙基)椰油酰胺、1-2%的粉煤灰、2-3%的聚乙二醇和3-5%的硅酸钠，高速研磨浆料粒径至10μm以下，喷雾干燥成粉末；b、向上述制得的粉末中加入2-3%的玉石粉、1-2%的锆英粉、3-4%的聚丙烯酸钠、1-2%的壳聚糖和0.5-1%的四异丙基二(二辛基亚磷酸酰氧基)钛酸酯，高速剪切分散10-15min即可。
2.如权利要求1所述的机车线缆用热塑性低烟无卤阻燃护套料的制备方法，其特征在于包括以下步骤：将高速捏合机加热至50-60℃，加入聚甲醛树酯、古马隆树脂、偏苯三酸三辛酯、氧化铍、硼酸锌、二茂铁、复合填料，捏合4-6min；然后升温至80-90℃，加入高密度聚乙烯、聚烯烃弹性体、氢氧化镁、氢氧化铝、三氧化钼、硬脂酸单甘油酯、硼酸钙、蒙脱土，捏合5-10min，再加入其余原料，继续捏合2-3min，降温至45℃以下即可出料；然后将混合料投入双螺杆挤出机进行挤出造粒，双螺杆挤出机的工作温度为155-175℃，最后经风冷、筛选磁选、计量、包装，即得所需的护套料。
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Cited By (6)

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CN104046003A (zh) * 2014-05-19 2014-09-17 安徽安缆模具有限公司 耐低温汽车尼龙复合材料及其制备方法
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CN105968542A (zh) * 2016-07-28 2016-09-28 张哲夫 一种硫酸钙改性聚乙烯及其制备方法
CN106221060A (zh) * 2016-07-28 2016-12-14 张哲夫 一种聚丙烯酰胺改性聚氯乙烯及其制备方法
CN106243439A (zh) * 2016-07-28 2016-12-21 张哲夫 一种聚乙烯蜡改性聚乙烯及其制备方法

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CN104046003A (zh) * 2014-05-19 2014-09-17 安徽安缆模具有限公司 耐低温汽车尼龙复合材料及其制备方法
CN104277308A (zh) * 2014-10-30 2015-01-14 安徽电信器材贸易工业有限责任公司 一种海底用通信光缆护套料及其制备方法
CN104497395A (zh) * 2014-12-16 2015-04-08 重庆理工大学 一种原位自增强的聚甲醛/聚乙烯复合材料及制备方法
CN104497395B (zh) * 2014-12-16 2017-03-08 重庆理工大学 一种原位自增强的聚甲醛/聚乙烯复合材料及制备方法
CN105968542A (zh) * 2016-07-28 2016-09-28 张哲夫 一种硫酸钙改性聚乙烯及其制备方法
CN106221060A (zh) * 2016-07-28 2016-12-14 张哲夫 一种聚丙烯酰胺改性聚氯乙烯及其制备方法
CN106243439A (zh) * 2016-07-28 2016-12-21 张哲夫 一种聚乙烯蜡改性聚乙烯及其制备方法
CN105968542B (zh) * 2016-07-28 2017-06-30 汕头市丽时家具有限公司 一种硫酸钙改性聚乙烯及其制备方法
CN107686582A (zh) * 2016-07-28 2018-02-13 张哲夫 一种改性聚乙烯蜡聚乙烯及其制备方法

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