CN104861330A - 一种阻燃耐老化聚氯乙烯电缆料及其制备方法 - Google Patents
一种阻燃耐老化聚氯乙烯电缆料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种阻燃耐老化聚氯乙烯电缆料及其制备方法。本发明的一种阻燃耐老化聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯60%~75%、十溴二苯乙烷8%~15%、三氧化二锑2%~4%、钙锌稳定剂1%~2%、增塑剂10%~15%、光稳定剂1%~3%、抗氧剂0.1%~0.5%、润滑剂0.5%~1%,所述增塑剂为邻苯二甲酸二(2-丙基庚)酯、对苯二甲酸二辛酯、偏苯三酸三辛酯、癸二酸二辛酯中的一种或几种。本发明的有益效果是,本发明具有优良的阻燃性能和力学性能,而且加工性好,耐老化性强,成本低,制备工艺简单。
Description
技术领域
本发明涉及电力材料技术领域,具体地说是一种阻燃耐老化聚氯乙烯电缆料及其制备方法。
背景技术
聚氯乙烯电缆料是以聚氯乙烯为基础树脂,并添加稳定剂、填充剂、润滑剂等适量助剂,经过混配捏合挤出而制成的粒子,主要用于制备电线、电缆等材料。然而,电线、电缆在使用的过程中容易因短路引起发热、燃烧等现象,而且容易老化变化,影响使用等,但现有技术的聚氯乙烯电缆料在阻燃性、抗老化性方面并不是很理想,因此,研制一种性能优异的阻燃耐老化聚氯乙烯电缆料将具有十分重要的现实意义。
发明内容
本发明的目的在于提供一种使用效果好和成本低的阻燃耐老化聚氯乙烯电缆料及其制备方法。
本发明解决其技术问题所采用的技术方案是:一种阻燃耐老化聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯60%~75%、十溴二苯乙烷8%~15%、三氧化二锑2%~4%、钙锌稳定剂1%~2%、增塑剂10%~15%、光稳定剂1%~3%、抗氧剂0.1%~0.5%、润滑剂0.5%~1%。
所述聚氯乙烯的平均聚合度在800~1200、重均分子量在50000~120000、粒度在100~200目范围。
所述增塑剂为邻苯二甲酸二(2-丙基庚)酯、对苯二甲酸二辛酯、偏苯三酸三辛酯、癸二酸二辛酯中的一种或几种。
所述光稳定剂为2-(2′-羟基-3′-叔丁基-5′-甲基苯基)-5-氯代苯并三唑、2-(2′-羟基-3′-5′-二叔丁基苯基)-5-氯代苯并三唑、2-(2′-羟基-5′-甲基苯基)苯并三唑、2-羟基-4-正辛氧基二苯甲酮、2-羟基-4-甲氧基二苯甲酮中的一种。
所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯、双(2,4-二叔丁基苯酚)季戊四醇二亚磷酸酯、亚磷酸三(2,4-二叔丁基苯基)酯、2-叔丁基-4-甲基苯酚、4-硝基-2,6-二叔丁基苯酚中的一种。
所述润滑剂为硬脂酸钙、硬脂酸锌、聚乙烯蜡、聚丙烯蜡、EVA蜡中的一种。
上述一种阻燃耐老化聚氯乙烯电缆料的制备方法,包括以下步骤:
(1)、按重量配比称取各组分;
(2)、将十溴二苯乙烷、三氧化二锑、钙锌稳定剂依次加入混合机,加热搅拌至60℃~80℃后,加入增塑剂、光稳定剂、抗氧剂、润滑剂,加热搅拌至100℃~115℃后,保持搅拌20~30min,然后停止加热,待物料自然冷却至45℃以下时,出料;
(3)、将步骤(2)得到的物料加入双螺杆挤出机进行造粒,控制双螺杆挤出机温度在140℃~165℃、螺杆转速在20~30r/min范围,最后经风冷、筛选磁选、计量、包装,即得所述的一种阻燃耐老化聚氯乙烯电缆料。
本发明的有益效果是,本发明具有优良的阻燃性能和力学性能,而且加工性好,耐老化性强,成本低,制备工艺简单。
具体实施方式
下面结合具体的优选实施例来进一步说明本发明的技术方案。
实施例1:
一种阻燃耐老化聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯60%、十溴二苯乙烷15%、三氧化二锑4%、钙锌稳定剂2%、邻苯二甲酸二(2-丙基庚)酯15%、光稳定剂2.5%、抗氧剂0.5%、硬脂酸钙1%,所述光稳定剂为2-(2′-羟基-3′-叔丁基-5′-甲基苯基)-5-氯代苯并三唑,所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯。
制备方法:(1)、按重量配比称取各组分;(2)、将十溴二苯乙烷、三氧化二锑、钙锌稳定剂依次加入混合机,加热搅拌至60℃~80℃后,加入邻苯二甲酸二(2-丙基庚)酯、光稳定剂、抗氧剂、硬脂酸钙,加热搅拌至100℃~115℃后,保持搅拌20~30min,然后停止加热,待物料自然冷却至45℃以下时,出料;(3)、将步骤(2)得到的物料加入双螺杆挤出机进行造粒,控制双螺杆挤出机温度在140℃~165℃、螺杆转速在20~30r/min范围,最后经风冷、筛选磁选、计量、包装,即得所述的一种阻燃耐老化聚氯乙烯电缆料。
实施例2:
一种阻燃耐老化聚氯乙烯电缆料,其组分按质量百分数配比为:聚氯乙烯75%、十溴二苯乙烷8%、三氧化二锑4%、钙锌稳定剂1%、对苯二甲酸二辛酯10%、光稳定剂1%、抗氧剂0.5%、EVA蜡0.5%,所述光稳定剂为2-(2′-羟基-3′-5′-二叔丁基苯基)-5-氯代苯并三唑,所述抗氧剂为β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯。
制备方法:(1)、按重量配比称取各组分;(2)、将十溴二苯乙烷、三氧化二锑、钙锌稳定剂依次加入混合机,加热搅拌至60℃~80℃后,加入对苯二甲酸二辛酯、光稳定剂、抗氧剂、EVA蜡,加热搅拌至100℃~115℃后,保持搅拌20~30min,然后停止加热,待物料自然冷却至45℃以下时,出料;(3)、将步骤(2)得到的物料加入双螺杆挤出机进行造粒,控制双螺杆挤出机温度在140℃~165℃、螺杆转速在20~30r/min范围,最后经风冷、筛选磁选、计量、包装,即得所述的一种阻燃耐老化聚氯乙烯电缆料。
Claims (6)
1.一种阻燃耐老化聚氯乙烯电缆料,其特征在于,其组分按质量百分数配比为:聚氯乙烯60%~75%、十溴二苯乙烷8%~15%、三氧化二锑2%~4%、钙锌稳定剂1%~2%、增塑剂10%~15%、光稳定剂1%~3%、抗氧剂0.1%~0.5%、润滑剂0.5%~1%。
2.根据权利要求1所述的一种阻燃耐老化聚氯乙烯电缆料,其特征在于,所述增塑剂为邻苯二甲酸二(2-丙基庚)酯、对苯二甲酸二辛酯、偏苯三酸三辛酯、癸二酸二辛酯中的一种或几种。
3.根据权利要求1所述的一种阻燃耐老化聚氯乙烯电缆料,其特征在于,所述光稳定剂为2-(2′-羟基-3′-叔丁基-5′-甲基苯基)-5-氯代苯并三唑、2-(2′-羟基-3′-5′-二叔丁基苯基)-5-氯代苯并三唑、2-(2′-羟基-5′-甲基苯基)苯并三唑、2-羟基-4-正辛氧基二苯甲酮、2-羟基-4-甲氧基二苯甲酮中的一种。
4.根据权利要求1所述的一种阻燃耐老化聚氯乙烯电缆料,其特征在于,所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯、双(2,4-二叔丁基苯酚)季戊四醇二亚磷酸酯、亚磷酸三(2,4-二叔丁基苯基)酯、2-叔丁基-4-甲基苯酚、4-硝基-2,6-二叔丁基苯酚中的一种。
5.根据权利要求1所述的一种阻燃耐老化聚氯乙烯电缆料,其特征在于,所述润滑剂为硬脂酸钙、硬脂酸锌、聚乙烯蜡、聚丙烯蜡、EVA蜡中的一种。
6.根据权利要求1所述的一种阻燃耐老化聚氯乙烯电缆料的制备方法,其特征在于,包括以下步骤:
(1)、按重量配比称取各组分;
(2)、将十溴二苯乙烷、三氧化二锑、钙锌稳定剂依次加入混合机,加热搅拌至60℃~80℃后,加入增塑剂、光稳定剂、抗氧剂、润滑剂,加热搅拌至100℃~115℃后,保持搅拌20~30min,然后停止加热,待物料自然冷却至45℃以下时,出料;
(3)、将步骤(2)得到的物料加入双螺杆挤出机进行造粒,控制双螺杆挤出机温度在140℃~165℃、螺杆转速在20~30r/min范围,最后经风冷、筛选磁选、计量、包装,即得所述的一种阻燃耐老化聚氯乙烯电缆料。
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