CN104327394A - 一种耐候性强的电缆料及其制备方法 - Google Patents

一种耐候性强的电缆料及其制备方法 Download PDF

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CN104327394A
CN104327394A CN201410597708.XA CN201410597708A CN104327394A CN 104327394 A CN104327394 A CN 104327394A CN 201410597708 A CN201410597708 A CN 201410597708A CN 104327394 A CN104327394 A CN 104327394A
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王卫东
白福全
陆勤琼
梅章文
张劲松
孟亮
柳冰
吴业俊
施俊峰
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Abstract

本发明公开了一种耐候性强的电缆料,由下列重量份的原料制成:炭黑25-30、松节油3-5、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷2-3、SEBS4-6、二茂铁4-5、2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔4-6、抗氧剂DNP1-2、氢氧化镁3-6、高分子量高压聚乙烯3-5、环烷酸钴5-7、丁基橡胶40-50、纳米氧化镁2-4、聚丙烯6-8、聚氯乙烯树脂8-12、助剂8-12;本发明的电缆料利用添加的SEBS等加工原料,增加了电缆料的耐候性、耐热性、耐压缩变形性以及提供了优异的力学性能,同时具备了低成本的优点。

Description

一种耐候性强的电缆料及其制备方法
技术领域
    本发明涉及一种电缆料的技术领域,特别涉及一种耐候性强的电缆料及其制备方法。
背景技术
电缆料是绝缘材料的主要应用领域,目前随着通信领域的不断发展,对电缆料的市场需求越来越大,同时对电缆料的性能要求也越来越高,如无卤电缆料、高压绝缘电缆料、内外屏蔽电缆料等。而国内生产的电缆料大多为普通PVC电缆料和PE电缆料,不仅在抗阻燃、耐热耐老化等性能上较差,对环境也有不小的污染,损害了人们的健康。为此本发明人设计了新的电缆料配方,对电缆料的性能加以改进,以符合市场对高性能电缆料的需求。
发明内容
本发明弥补了现有技术的不足,提供一种耐候性强的电缆料及其制备方法。
本发明的技术方案如下:
本发明电缆料由下列重量份的原料制成:炭黑25-30、松节油3-5、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷2-3、SEBS 4-6、二茂铁4-5、2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔4-6、抗氧剂DNP 1-2、氢氧化镁3-6、高分子量高压聚乙烯3-5、环烷酸钴5-7、丁基橡胶40-50、纳米氧化镁2-4、聚丙烯6-8、聚氯乙烯树脂8-12、助剂8-12;
所述助剂由下列重量份的原料制成:珍珠粉2-4、2-硫醇基苯骈咪唑1-3、硅藻泥25-35、纤维石膏粉6-10、凡士林5-6、氯化亚锡2-3、硅凝胶2-3、季戊四醇硬脂酸酯2-5、活性白土15-20、甘油三醋酸酯4-6、聚六亚甲基胍3-4;其制备方法是将硅藻泥、活性白土混合后置于500-600℃下高温煅烧2-4小时,再将所得煅烧产物与珍珠粉、纤维石膏粉、氯化亚锡、季戊四醇硬脂酸酯、2-硫醇基苯骈咪唑、聚六亚甲基胍混合并高速研磨4-6分钟,将所得研磨产物加入到硅凝胶与凡士林的共混液中搅拌打浆20-40分钟,再将所得混合物在60-80℃下烘干,并精细研磨成粉末,过240-300目筛即得。
所述电缆料的制备的具体步骤如下:
(1)将炭黑、松节油、SEBS、聚丙烯、聚氯乙烯树脂、二茂铁、抗氧剂DNP、氢氧化镁、高分子量高压聚乙烯置于高速混合机中混匀物料,备用;
(2)将丁基橡胶置于密炼机中进行3-5分钟的炼胶,完毕后待密炼胶冷却后将步骤1所得混合物料加入到密炼机中,先于55-65℃混炼4-6分钟,再将温度升至90-110℃继续混炼4-5分钟,将所得物料冷却后取出备用;
(3)将2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔、环烷酸钴、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷、纳米氧化镁、步骤2所得物料以及剩余物料混合,加入到双螺杆挤出机中挤出造粒,双螺杆挤出机的螺杆长径比为32:1-44:1,转速为450-500转/分;
(4)将步骤3所得颗粒经检验筛选、包装入库即可。
本发明的有益效果:
本发明的电缆料利用添加的SEBS等加工原料,增加了电缆料的耐候性、耐热性、耐压缩变形性以及提供了优异的力学性能,同时具备了低成本的优点。
助剂的添加能有效的改良电缆料制品的性能,添加的季戊四醇硬脂酸酯能够增加整个体系的热稳定性,聚六亚甲基胍的添加能够增加电缆料产品的抑菌性,大大加强了最终电缆料成品的使用价值。
具体实施方案
下面结合以下具体实施方式对本发明作进一步的详细描述:
称取下列重量份(kg)的原料制成:炭黑25、松节油4、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷2、SEBS 5、二茂铁4、2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔5、抗氧剂DNP 1、氢氧化镁4、高分子量高压聚乙烯4、环烷酸钴6、丁基橡胶45、纳米氧化镁3、聚丙烯7、聚氯乙烯树脂10、助剂10;
所述助剂由下列重量份(kg)的原料制成:珍珠粉3、2-硫醇基苯骈咪唑2、硅藻泥30、纤维石膏粉8、凡士林5、氯化亚锡2、硅凝胶2、季戊四醇硬脂酸酯4、活性白土18、甘油三醋酸酯5、聚六亚甲基胍3;其制备方法是将硅藻泥、活性白土混合后置于550℃下高温煅烧3小时,再将所得煅烧产物与珍珠粉、纤维石膏粉、氯化亚锡、季戊四醇硬脂酸酯、2-硫醇基苯骈咪唑、聚六亚甲基胍混合并高速研磨5分钟,将所得研磨产物加入到硅凝胶与凡士林的共混液中搅拌打浆30分钟,再将所得混合物在70℃下烘干,并精细研磨成粉末,过270目筛即得。
所述电缆料的制备的具体步骤如下:
(1)将炭黑、松节油、SEBS、聚丙烯、聚氯乙烯树脂、二茂铁、抗氧剂DNP、氢氧化镁、高分子量高压聚乙烯置于高速混合机中混匀物料,备用;
(2)将丁基橡胶置于密炼机中进行4分钟的炼胶,完毕后待密炼胶冷却后将步骤1所得混合物料加入到密炼机中,先于60℃混炼5分钟,再将温度升至100℃继续混炼4分钟,将所得物料冷却后取出备用;
(3)将2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔、环烷酸钴、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷、纳米氧化镁、步骤2所得物料以及剩余物料混合,加入到双螺杆挤出机中挤出造粒,双螺杆挤出机的螺杆长径比为38:1,转速为500转/分;
(4)将步骤3所得颗粒经检验筛选、包装入库即可。
经测试本发明的电缆料拉伸强度为16.7MPa,断裂伸长率为362%,氧指数为30%,200℃下静态热稳定时间为152分钟,在120℃×168h热空气老化后拉伸强度变化率小于9.5%,断裂伸长变化率小于7.6%。

Claims (2)

1.一种耐候性强的电缆料,其特征在于,由下列重量份的原料制成:炭黑25-30、松节油3-5、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷2-3、SEBS 4-6、二茂铁4-5、2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔4-6、抗氧剂DNP 1-2、氢氧化镁3-6、高分子量高压聚乙烯3-5、环烷酸钴5-7、丁基橡胶40-50、纳米氧化镁2-4、聚丙烯6-8、聚氯乙烯树脂8-12、助剂8-12;
所述助剂由下列重量份的原料制成:珍珠粉2-4、2-硫醇基苯骈咪唑1-3、硅藻泥25-35、纤维石膏粉6-10、凡士林5-6、氯化亚锡2-3、硅凝胶2-3、季戊四醇硬脂酸酯2-5、活性白土15-20、甘油三醋酸酯4-6、聚六亚甲基胍3-4;其制备方法是将硅藻泥、活性白土混合后置于500-600℃下高温煅烧2-4小时,再将所得煅烧产物与珍珠粉、纤维石膏粉、氯化亚锡、季戊四醇硬脂酸酯、2-硫醇基苯骈咪唑、聚六亚甲基胍混合并高速研磨4-6分钟,将所得研磨产物加入到硅凝胶与凡士林的共混液中搅拌打浆20-40分钟,再将所得混合物在60-80℃下烘干,并精细研磨成粉末,过240-300目筛即得。
2.根据权利要求书1所述的耐候性强的电缆料,其特征在于,制备方法的具体步骤如下:
(1)将炭黑、松节油、SEBS、聚丙烯、聚氯乙烯树脂、二茂铁、抗氧剂DNP、氢氧化镁、高分子量高压聚乙烯置于高速混合机中混匀物料,备用;
(2)将丁基橡胶置于密炼机中进行3-5分钟的炼胶,完毕后待密炼胶冷却后将步骤1所得混合物料加入到密炼机中,先于55-65℃混炼4-6分钟,再将温度升至90-110℃继续混炼4-5分钟,将所得物料冷却后取出备用;
(3)将2,5-双(特丁基过氧化)-2,5-二甲基-3-己炔、环烷酸钴、2,5-二甲基-2,5-二(苯甲酰过氧)基己烷、纳米氧化镁、步骤2所得物料以及剩余物料混合,加入到双螺杆挤出机中挤出造粒,双螺杆挤出机的螺杆长径比为32:1-44:1,转速为450-500转/分;
(4)将步骤3所得颗粒经检验筛选、包装入库即可。
CN201410597708.XA 2014-10-30 2014-10-30 一种耐候性强的电缆料及其制备方法 Pending CN104327394A (zh)

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CN105017660A (zh) * 2015-06-23 2015-11-04 安徽成力特科技有限公司 一种大功率用无毒无臭电缆料及其制备方法
CN105482306A (zh) * 2015-12-29 2016-04-13 王璐 一种环保的电缆用阻燃填充料
CN105504555A (zh) * 2016-01-15 2016-04-20 李昂 一种汽车换挡***拉索护套及其制备方法
CN105968454A (zh) * 2016-06-07 2016-09-28 马逸晗 一种耳麦信号线用耐扭曲柔软型橡胶护套材料
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CN105482306A (zh) * 2015-12-29 2016-04-13 王璐 一种环保的电缆用阻燃填充料
CN105504555A (zh) * 2016-01-15 2016-04-20 李昂 一种汽车换挡***拉索护套及其制备方法
CN105968454A (zh) * 2016-06-07 2016-09-28 马逸晗 一种耳麦信号线用耐扭曲柔软型橡胶护套材料
CN105968480A (zh) * 2016-06-07 2016-09-28 马逸晗 一种地面网络信号线用耐磨耐腐蚀型护套材料

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