CN103571029B - 一种电缆用防霉菌聚乙烯护套料及其制备方法 - Google Patents

一种电缆用防霉菌聚乙烯护套料及其制备方法 Download PDF

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CN103571029B
CN103571029B CN201310464228.1A CN201310464228A CN103571029B CN 103571029 B CN103571029 B CN 103571029B CN 201310464228 A CN201310464228 A CN 201310464228A CN 103571029 B CN103571029 B CN 103571029B
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何成龙
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Abstract

本发明公开了一种电缆用防霉菌聚乙烯护套料及其制备方法，其由以下重量份的原料制成：线性低密度聚乙烯？80-90、氯磺化聚乙烯15-20、聚-4-甲基-1-戊烯10-15、炭黑N660？20-30、松节油？4-8、对苯二甲酸二辛酯5-10、苯胺甲基三乙氧基硅烷1-2、对羟基苯甲酸甲酯3-5、十溴二苯醚8-12、硼酸锌5-10、氢氧化铝10-15、水镁石粉？4-8、磷酸三(2-氯丙基)酯？5-10、轻质氧化镁2-4、三丁基氯化锡1-2、硬脂酸钡2-3、氢氧化钙3-6、氧化聚乙烯蜡？3-4、石英粉5-8、纳米银3-5、复合填料？4-6。本发明在保证护套料防霉菌功能优异，能够有效抑制黑曲霉、土曲霉等霉菌的生长和繁殖，使电缆免受霉菌的侵害，延长护套的使用寿命。

Description

一种电缆用防霉菌聚乙烯护套料及其制备方法
技术领域
本发明涉及一种电缆护套料及其制备方法，具体涉及一种电缆用防霉菌聚乙烯护套料及其制备方法。
背景技术
电缆护套是电缆不可缺少的中间结构部分，起着保护电缆的作用，保证电缆的通电安全，让铜丝和水、空气等介质隔绝，避免出现漏电现象。近年来，随着人们生活水平的提高以及人们对环保和健康意识越来越重视，电缆行业也随之扩大对防霉菌护套料的需求，然而现有阻燃聚乙烯护套料大多不具有防霉剂功能，或是防霉功能不显著，无法满足用户的需求。
发明内容
本发明的目的在于针对现有技术的不足，提供一种电缆用防霉菌聚乙烯护套料及其制备方法。
本发明采用的技术方案如下：
一种电缆用防霉菌聚乙烯护套料，由以下重量份的原料制成：线性低密度聚乙烯80-90、氯磺化聚乙烯15-20、聚-4-甲基-1-戊烯10-15、炭黑N66020-30、松节油4-8、对苯二甲酸二辛酯5-10、苯胺甲基三乙氧基硅烷1-2、对羟基苯甲酸甲酯3-5、十溴二苯醚8-12、硼酸锌5-10、氢氧化铝10-15、水镁石粉4-8、磷酸三(2-氯丙基)酯5-10、轻质氧化镁2-4、三丁基氯化锡1-2、硬脂酸钡2-3、氢氧化钙3-6、氧化聚乙烯蜡3-4、石英粉5-8、纳米银3-5、复合填料4-6；
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。
一种电缆用防霉菌聚乙烯护套料的制备方法，包括以下步骤：将高速捏合机加热至60-65℃，加入氯磺化聚乙烯、聚-4-甲基-1-戊烯、对苯二甲酸二辛酯、对羟基苯甲酸甲酯、氢氧化钙、苯胺甲基三乙氧基硅烷、复合填料，捏合3-6min；然后升温至85-90℃，加入线性低密度聚乙烯、炭黑N660、松节油、十溴二苯醚、硼酸锌、氢氧化铝、水镁石粉、磷酸三(2-氯丙基)酯、氧化聚乙烯蜡，捏合4-8min，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165-185℃，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：
本发明在保证护套料的物理机械性能、阻燃性能的基础上，添加适量的纳米银、三丁基氯化锡和玉石粉，提高护套料的防霉菌功能，能够有效抑制黑曲霉、土曲霉等霉菌的生长和繁殖，使电缆免受霉菌的侵害，延长护套的使用寿命，也避免护套料的浪费和造成的环境污染。
具体实施方式
一种电缆用防霉菌聚乙烯护套料，由以下重量（kg）的原料制成：线性低密度聚乙烯80、氯磺化聚乙烯20、聚-4-甲基-1-戊烯10、炭黑N66025、松节油6、对苯二甲酸二辛酯8、苯胺甲基三乙氧基硅烷1.5、对羟基苯甲酸甲酯4、十溴二苯醚10、硼酸锌8、氢氧化铝12、水镁石粉6、磷酸三(2-氯丙基)酯8、轻质氧化镁3、三丁基氯化锡1.5、硬脂酸钡2、氢氧化钙4、氧化聚乙烯蜡3、石英粉6、纳米银4、复合填料5；
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、1%的活性炭，混合均匀后560℃煅烧3h，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50%的浆液，加入浓度为10%的盐酸溶液调节浆液PH至5.5，80℃水浴加热3h，再用浓度为15%的氢氧化钠溶液调节PH至中性，然后加入浆液重量2%的壬基酚聚氧乙烯醚、4%的十二烷基硫酸钠、3%的N,N-二(羟基乙基)椰油酰胺、1%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、1.5%的锆英粉、3%的聚丙烯酸钠、2%的壳聚糖和0.5%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。
一种电缆用防霉菌聚乙烯护套料的制备方法，包括以下步骤：将高速捏合机加热至60-65℃，加入氯磺化聚乙烯、聚-4-甲基-1-戊烯、对苯二甲酸二辛酯、对羟基苯甲酸甲酯、氢氧化钙、苯胺甲基三乙氧基硅烷、复合填料，捏合4min；然后升温至85-90℃，加入线性低密度聚乙烯、炭黑N660、松节油、十溴二苯醚、硼酸锌、氢氧化铝、水镁石粉、磷酸三(2-氯丙基)酯、氧化聚乙烯蜡，捏合6min，再加入其余原料，继续捏合2min，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165-185℃，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：

Claims (1)

1.一种电缆用防霉菌聚乙烯护套料，其特征在于，由以下重量份的原料制成：线性低密度聚乙烯80-90、氯磺化聚乙烯15-20、聚-4-甲基-1-戊烯10-15、炭黑N66020-30、松节油4-8、对苯二甲酸二辛酯5-10、苯胺甲基三乙氧基硅烷1-2、对羟基苯甲酸甲酯3-5、十溴二苯醚8-12、硼酸锌5-10、氢氧化铝10-15、水镁石粉4-8、磷酸三(2-氯丙基)酯5-10、轻质氧化镁2-4、三丁基氯化锡1-2、硬脂酸钡2-3、氢氧化钙3-6、氧化聚乙烯蜡3-4、石英粉5-8、纳米银3-5、复合填料4-6；
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；
所述的电缆用防霉菌聚乙烯护套料的制备方法，包括以下步骤：将高速捏合机加热至60-65℃，加入氯磺化聚乙烯、聚-4-甲基-1-戊烯、对苯二甲酸二辛酯、对羟基苯甲酸甲酯、氢氧化钙、苯胺甲基三乙氧基硅烷、复合填料，捏合3-6min；然后升温至85-90℃，加入线性低密度聚乙烯、炭黑N660、松节油、十溴二苯醚、硼酸锌、氢氧化铝、水镁石粉、磷酸三(2-氯丙基)酯、氧化聚乙烯蜡，捏合4-8min，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145-165℃，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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