CN108864614A - 一种低烟无卤阻燃聚氯乙烯电缆料及其制备方法 - Google Patents

一种低烟无卤阻燃聚氯乙烯电缆料及其制备方法 Download PDF

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CN108864614A
CN108864614A CN201810814492.6A CN201810814492A CN108864614A CN 108864614 A CN108864614 A CN 108864614A CN 201810814492 A CN201810814492 A CN 201810814492A CN 108864614 A CN108864614 A CN 108864614A
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丁忠亮
叶明亮
查永玲
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ANHUI CHENG LI TE TECHNOLOGY Co Ltd
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Abstract

本发明提供了一种低烟无卤阻燃聚氯乙烯电缆料,由如下重量份的原料组成:聚氯乙烯树脂45‑60份、乙烯‑醋酸乙烯酯共聚物25‑30份、低密度聚乙烯18‑25份、玻璃纤维11‑14份、纳米碳酸钙12‑15份、炭黑6‑8份、硼酸锌1‑2份、三氧化二锑3‑4份、氯化石蜡3‑5份、环氧大豆油3‑4份、硬脂酸钡4‑6份、钙锌复合热稳定剂2‑3份、氢氧化铝13‑15份、增塑剂4‑6份和抗氧剂0.5‑0.8份。本发明所述的低烟无卤阻燃聚氯乙烯电缆料,具有无卤环保、阻燃性好、强抗老化性好,且力学性能表现良好的优点。本发明还提供了所述低烟无卤阻燃聚氯乙烯电缆料的制备方法。

Description

一种低烟无卤阻燃聚氯乙烯电缆料及其制备方法
技术领域
本发明属于电缆料技术领域,特别是涉及一种低烟无卤阻燃聚氯乙烯电缆料及其制备方法。
背景技术
随着国民经济的高速发展,电线电缆的用量和使用范围越来远大。近年来,发电厂、变电站、冶炼及石油化工等行业,对控制电缆的需求量极大。电线电缆绝缘及护套用塑料俗称电缆料,其中包括了橡胶、塑料、尼龙等多种品种。电缆料的种类很多,其中聚氯乙烯电缆料价格低廉,性能优良,在电线电缆绝缘保护材料中长期占有重要地位。然而现有的聚氯乙烯电缆料大多存在氧指数低、易燃等缺陷,影响了聚氯乙烯电缆料的应用范围的拓展。
发明内容
针对上述技术问题,本发明的目的在于提供一种低烟无卤阻燃聚氯乙烯电缆料;本发明还提供了所述低烟无卤阻燃聚氯乙烯电缆料的制备方法。
本发明采用的技术方案是:
一种低烟无卤阻燃聚氯乙烯电缆料,由如下重量份的原料组成:聚氯乙烯树脂45-60份、乙烯-醋酸乙烯酯共聚物25-30份、低密度聚乙烯18-25份、玻璃纤维11-14份、纳米碳酸钙12-15份、炭黑6-8份、硼酸锌1-2份、三氧化二锑3-4份、氯化石蜡3-5份、环氧大豆油3-4份、硬脂酸钡4-6份、钙锌复合热稳定剂2-3份、氢氧化铝13-15份、增塑剂4-6份和抗氧剂0.5-0.8份。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料,其中,由如下重量份的原料组成:聚氯乙烯树脂45份、乙烯-醋酸乙烯酯共聚物30份、低密度聚乙烯25份、玻璃纤维11份、纳米碳酸钙15份、炭黑6份、硼酸锌2份、三氧化二锑4份、氯化石蜡5份、环氧大豆油3份、硬脂酸钡4份、钙锌复合热稳定剂2份、氢氧化铝13份、增塑剂6份和抗氧剂0.5份。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料,其中,由如下重量份的原料组成:聚氯乙烯树脂60份、乙烯-醋酸乙烯酯共聚物25份、低密度聚乙烯18份、玻璃纤维14份、纳米碳酸钙12份、炭黑8份、硼酸锌1份、三氧化二锑3份、氯化石蜡3份、环氧大豆油4份、硬脂酸钡6份、钙锌复合热稳定剂3份、氢氧化铝15份、增塑剂4份和抗氧剂0.8份。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料,其中,所述增塑剂为邻苯二甲酸二丁酯或邻苯二甲酸二乙酯。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料,其中,所述抗氧剂为聚羟基季戊四醇酯。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)按配比准备原料,将聚氯乙烯树脂、乙烯-醋酸乙烯酯共聚物和低密度聚乙烯放置于密炼机中,预热至110-120℃,低速密炼10-15min,得到密炼混合物;
(2)将步骤(1)中所述密炼混合物加入到高速捏合机中,然后依次加入氯化石蜡、环氧大豆油、硬脂酸钡、增塑剂、抗氧剂、玻璃纤维、纳米碳酸钙、炭黑、硼酸锌、三氧化二锑、氢氧化铝和钙锌复合热稳定剂,在85-95℃下捏合8-12min,得到捏合料;
(3)将步骤(2)中所述捏合料投入双螺杆挤出机进行挤出造粒;
(4)将步骤(3)中造粒经风冷、筛选磁选、计量、包装,即可得到产品。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,其中,步骤(3)中,挤出机的温度控制为加料段135-145℃,熔融段165-170℃,均化段210-220℃,机头175-185℃,模口180-190℃,螺杆转速为16-25r/min。
本发明有益效果:
本发明所述的低烟无卤阻燃聚氯乙烯电缆料,具有无卤环保、阻燃性好、强抗老化性好,且力学性能表现良好的优点,能够满足市场需求,有利于提高电线电缆的安全性能,有利于拓展聚氯乙烯电缆料的应用领域。
本发明所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,设计合理,操作简便,原料利用率高,易于实现工业化生产,可广泛应用于电力电缆领域。
下面将结合具体实施例对本发明作进一步说明。
具体实施方式
实施例1
一种低烟无卤阻燃聚氯乙烯电缆料,由如下重量份的原料组成:聚氯乙烯树脂45份、乙烯-醋酸乙烯酯共聚物30份、低密度聚乙烯25份、玻璃纤维11份、纳米碳酸钙15份、炭黑6份、硼酸锌2份、三氧化二锑4份、氯化石蜡5份、环氧大豆油3份、硬脂酸钡4份、钙锌复合热稳定剂2份、氢氧化铝13份、增塑剂6份和抗氧剂0.5份;所述增塑剂为邻苯二甲酸二丁酯;所述抗氧剂为聚羟基季戊四醇酯。
本实施例所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)按配比准备原料,将聚氯乙烯树脂、乙烯-醋酸乙烯酯共聚物和低密度聚乙烯放置于密炼机中,预热至110℃,低速密炼15min,得到密炼混合物;
(2)将步骤(1)中所述密炼混合物加入到高速捏合机中,然后依次加入氯化石蜡、环氧大豆油、硬脂酸钡、增塑剂、抗氧剂、玻璃纤维、纳米碳酸钙、炭黑、硼酸锌、三氧化二锑、氢氧化铝和钙锌复合热稳定剂,在85℃下捏合12min,得到捏合料;
(3)将步骤(2)中所述捏合料投入双螺杆挤出机进行挤出造粒,挤出机的温度控制为加料段135-145℃,熔融段165-170℃,均化段210-220℃,机头175-185℃,模口180-190℃,螺杆转速为25r/min;
(4)将步骤(3)中造粒经风冷、筛选磁选、计量、包装,即可得到产品。
经测试本实施例的电缆料拉伸强度为41..8MPa,断裂伸长率为319.2%,氧指数为35%。
实施例2
一种低烟无卤阻燃聚氯乙烯电缆料,由如下重量份的原料组成:聚氯乙烯树脂60份、乙烯-醋酸乙烯酯共聚物25份、低密度聚乙烯18份、玻璃纤维14份、纳米碳酸钙12份、炭黑8份、硼酸锌1份、三氧化二锑3份、氯化石蜡3份、环氧大豆油4份、硬脂酸钡6份、钙锌复合热稳定剂3份、氢氧化铝15份、增塑剂4份和抗氧剂0.8份;所述增塑剂为邻苯二甲酸二乙酯;所述抗氧剂为聚羟基季戊四醇酯。
本实施例所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)按配比准备原料,将聚氯乙烯树脂、乙烯-醋酸乙烯酯共聚物和低密度聚乙烯放置于密炼机中,预热至120℃,低速密炼10min,得到密炼混合物;
(2)将步骤(1)中所述密炼混合物加入到高速捏合机中,然后依次加入氯化石蜡、环氧大豆油、硬脂酸钡、增塑剂、抗氧剂、玻璃纤维、纳米碳酸钙、炭黑、硼酸锌、三氧化二锑、氢氧化铝和钙锌复合热稳定剂,在95℃下捏合8min,得到捏合料;
(3)将步骤(2)中所述捏合料投入双螺杆挤出机进行挤出造粒,挤出机的温度控制为加料段135-145℃,熔融段165-170℃,均化段210-220℃,机头175-185℃,模口180-190℃,螺杆转速为16r/min;
(4)将步骤(3)中造粒经风冷、筛选磁选、计量、包装,即可得到产品。
经测试本实施例的电缆料拉伸强度为37.5MPa,断裂伸长率为316%,氧指数为33%。
以上所述的实施例仅仅是对本发明的优选实施方式进行描述,并非对本发明的范围进行限定,在不脱离本发明设计精神的前提下,本领域普通技术人员对本发明的技术方案作出的各种变形和改进,均应落入本发明权利要求书确定的保护范围内。

Claims (7)

1.一种低烟无卤阻燃聚氯乙烯电缆料,其特征在于:由如下重量份的原料组成:聚氯乙烯树脂45-60份、乙烯-醋酸乙烯酯共聚物25-30份、低密度聚乙烯18-25份、玻璃纤维11-14份、纳米碳酸钙12-15份、炭黑6-8份、硼酸锌1-2份、三氧化二锑3-4份、氯化石蜡3-5份、环氧大豆油3-4份、硬脂酸钡4-6份、钙锌复合热稳定剂2-3份、氢氧化铝13-15份、增塑剂4-6份和抗氧剂0.5-0.8份。
2.根据权利要求1所述的低烟无卤阻燃聚氯乙烯电缆料,其特征在于:由如下重量份的原料组成:聚氯乙烯树脂45份、乙烯-醋酸乙烯酯共聚物30份、低密度聚乙烯25份、玻璃纤维11份、纳米碳酸钙15份、炭黑6份、硼酸锌2份、三氧化二锑4份、氯化石蜡5份、环氧大豆油3份、硬脂酸钡4份、钙锌复合热稳定剂2份、氢氧化铝13份、增塑剂6份和抗氧剂0.5份。
3.根据权利要求1所述的低烟无卤阻燃聚氯乙烯电缆料,其特征在于:由如下重量份的原料组成:聚氯乙烯树脂60份、乙烯-醋酸乙烯酯共聚物25份、低密度聚乙烯18份、玻璃纤维14份、纳米碳酸钙12份、炭黑8份、硼酸锌1份、三氧化二锑3份、氯化石蜡3份、环氧大豆油4份、硬脂酸钡6份、钙锌复合热稳定剂3份、氢氧化铝15份、增塑剂4份和抗氧剂0.8份。
4.根据权利要求1所述的低烟无卤阻燃聚氯乙烯电缆料,其特征在于:所述增塑剂为邻苯二甲酸二丁酯或邻苯二甲酸二乙酯。
5.根据权利要求1-4任意一项所述的低烟无卤阻燃聚氯乙烯电缆料,其特征在于:所述抗氧剂为聚羟基季戊四醇酯。
6.权利要求1-5任意一项所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,其特征在于:包括以下步骤:
(1)按配比准备原料,将聚氯乙烯树脂、乙烯-醋酸乙烯酯共聚物和低密度聚乙烯放置于密炼机中,预热至110-120℃,低速密炼10-15min,得到密炼混合物;
(2)将步骤(1)中所述密炼混合物加入到高速捏合机中,然后依次加入氯化石蜡、环氧大豆油、硬脂酸钡、增塑剂、抗氧剂、玻璃纤维、纳米碳酸钙、炭黑、硼酸锌、三氧化二锑、氢氧化铝和钙锌复合热稳定剂,在85-95℃下捏合8-12min,得到捏合料;
(3)将步骤(2)中所述捏合料投入双螺杆挤出机进行挤出造粒;
(4)将步骤(3)中造粒经风冷、筛选磁选、计量、包装,即可得到产品。
7.根据权利要求6所述的低烟无卤阻燃聚氯乙烯电缆料的制备方法,其特征在于:步骤(3)中,挤出机的温度控制为加料段135-145℃,熔融段165-170℃,均化段210-220℃,机头175-185℃,模口180-190℃,螺杆转速为16-25r/min。
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CN112080085A (zh) * 2020-08-28 2020-12-15 宝胜科技创新股份有限公司 一种5g电缆用高阻燃聚氯乙烯绝缘料及其制备方法
CN112662089A (zh) * 2020-12-09 2021-04-16 南京理工大学北方研究院 一种耐候耐磨阻燃电缆材料及制备方法

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