CN103881260A - 一种汽车电线电缆用聚氯乙烯绝缘料及其制备方法 - Google Patents

一种汽车电线电缆用聚氯乙烯绝缘料及其制备方法 Download PDF

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CN103881260A
CN103881260A CN201410051968.7A CN201410051968A CN103881260A CN 103881260 A CN103881260 A CN 103881260A CN 201410051968 A CN201410051968 A CN 201410051968A CN 103881260 A CN103881260 A CN 103881260A
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parts
insulation material
polyvinyl chloride
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周小刚
储刘生
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ANHUI WANGDA COPPER INDUSTRY DEVELOPMENT Co Ltd
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Abstract

本发明公开了一种汽车电线电缆用聚氯乙烯绝缘料及其制备方法，其由下列重量份的原料制成：SG-5型聚氯乙烯树脂70-90、聚对苯二甲酸乙二醇酯15-25、乙烯-醋酸乙烯共聚物5-15、均苯四酸四辛酯10-15、柠檬酸三丁酯5-10、硬脂酸2-3、微晶石蜡3-5、钙锌稳定剂1-2、煅烧陶土10-15、玻璃微珠10-15、纳米叶腊石5-10、炭黑N66020-25、过氧化二异丙苯2-3、乙烯基三(β-甲氧基乙氧基)硅烷1-2、三聚氰胺多聚磷酸酯3-6、钼酸铵4-8、氢氧化镁10-15、抗氧剂2641-2、抗氧剂10351-2、复合填料3-6。本发明电缆料力学性能优异，具有优良的耐磨性、耐油性和耐臭氧老化性等性能，还具有较好的耐高低温性能，耐热等级可达130℃,低温可达-45℃,完全满足现代汽车电线电缆的性能要求。

Description

一种汽车电线电缆用聚氯乙烯绝缘料及其制备方法
技术领域
本发明涉及一种电缆料及其制备方法，具体涉及一种汽车电线电缆用聚氯乙烯绝缘料及其制备方法。
背景技术
聚氯乙烯（PVC）是一种用途非常广泛的通用塑料，因其具有优良的物理机械性能、电气性能、阻燃性能，价格便宜，并且加工性能优异，因此被广泛用作汽车电线电缆的护层和绝缘材料。汽车内部是一个十分复杂的小环境,存在震动、摩擦、臭氧、油污、高热、寒冷和电磁辐射等各种复杂条件,要求汽车电线电缆具有耐热、耐寒、耐磨、耐油等各种性能,并随汽车功能的不断变化,对汽车电线电缆的性能要求也在不断增加。因此，急需开发一种高性能汽车电线电缆用聚氯乙烯绝缘料。
发明内容
本发明的目的在于提供一种具有优异的耐高低温性、耐磨性、耐油性、耐臭氧老化的汽车电线电缆用聚氯乙烯绝缘料及其制备方法。
为实现上述目的，本发明采用的技术方案如下:
一种汽车电线电缆用聚氯乙烯绝缘料，由下列重量份的原料制成：SG-5型聚氯乙烯树脂70-90、聚对苯二甲酸乙二醇酯15-25、乙烯-醋酸乙烯共聚物5-15、均苯四酸四辛酯10-15、柠檬酸三丁酯5-10、硬脂酸2-3、微晶石蜡3-5、钙锌稳定剂1-2、煅烧陶土10-15、玻璃微珠10-15、纳米叶腊石5-10、炭黑N66020-25、过氧化二异丙苯2-3、乙烯基三(β-甲氧基乙氧基)硅烷1-2、三聚氰胺多聚磷酸酯3-6、钼酸铵4-8、氢氧化镁10-15、抗氧剂2641-2、抗氧剂10351-2、复合填料3-6；
所述复合填料的制备方法如下：a.按重量比4-6:2-3:1称取橄榄石、蓝晶石、铝矾土混合均匀，880-940℃下煅烧1-2h，冷却至室温，然后加入到浓度为15-20%的盐酸溶液中，在70-80℃水浴温度下保温0.5-1h，过滤，滤渣用蒸馏水洗涤至中性，烘干，粉碎，过150-200目筛，待用；b、取相当于橄榄石重量3-5倍的浓度为10-15%乙醇溶液，加入步骤a制得的粉末，2000-3000rpm高速研磨15-20min，然后再加入悬浮液重量2-3%的乳化剂OP-15、1-2%甲基丙烯酰氧基丙基三甲氧基硅烷、5-10%的固含量为50%的硅丙乳液和0.5-1%的十二碳醇酯，搅拌均匀后超声振荡至悬浮液中粉末颗粒充分分散，超声波频率为20-30kHz，超声功率为300-400W，过滤，烘干，c、步骤b制得的烘干物中加入3-6%的烟道灰、2-4%的砭石粉和1-2%的异丙基三（二辛基焦磷酸酰氧基）钛酸酯，1000-1500rpm高速搅拌3-5min，烘干，粉碎，过200-300目筛即可。
一种汽车电线电缆用聚氯乙烯绝缘料的制备方法，包括以下步骤：
（1）将聚氯乙烯树脂、聚对苯二甲酸乙二醇酯和乙烯-醋酸乙烯共聚物投入混合机内混合均匀，然后加入均苯四酸四辛酯、柠檬酸三丁酯、硬脂酸和微晶石蜡，搅拌1-3min，升温至80-90℃，再加入过氧化二异丙苯、乙烯基三(β-甲氧基乙氧基)硅烷、三聚氰胺多聚磷酸酯、钼酸铵和氢氧化镁，搅拌3-5min，再升温至100-110℃，加入余下原料，搅拌2-4min，冷却降温至50℃以下时出料；
（2）将上述混料投入双螺杆挤出机中挤出造粒，双螺杆挤出机各区的加工温度分别为：1区150-160℃，2区160-170℃、3区175-185℃、4区170-180℃，机头165-175℃；挤出机螺杆转速20-30r/min；
（3）粒料经筛选磁选、计量后包装即为成品。
本发明的有益效果:
本发明电缆料力学性能优异，具有优良的耐磨性、耐油性和耐臭氧老化性等性能，还具有较好的耐高低温性能，耐热等级可达130℃,低温可达-45℃,经久耐用，完全满足现代汽车电线电缆的性能要求。
具体实施方式
一种汽车电线电缆用聚氯乙烯绝缘料，由下列重量（kg）的原料制成：SG-5型聚氯乙烯树脂80、聚对苯二甲酸乙二醇酯20、乙烯-醋酸乙烯共聚物10、均苯四酸四辛酯10、柠檬酸三丁酯10、硬脂酸2.5、微晶石蜡4、钙锌稳定剂1.5、煅烧陶土15、玻璃微珠10、纳米叶腊石8、炭黑N66022、过氧化二异丙苯2.5、乙烯基三(β-甲氧基乙氧基)硅烷1、三聚氰胺多聚磷酸酯4、钼酸铵6、氢氧化镁12、抗氧剂2641.5、抗氧剂10351、复合填料4；
所述复合填料的制备方法如下：a.按重量比6:3:1称取橄榄石、蓝晶石、铝矾土混合均匀，910℃下煅烧1.5h，冷却至室温，然后加入到浓度为16%的盐酸溶液中，在75℃水浴温度下保温1h，过滤，滤渣用蒸馏水洗涤至中性，烘干，粉碎，过200目筛，待用；b、取相当于橄榄石重量4倍的浓度为12%乙醇溶液，加入步骤a制得的粉末，2500rpm高速研磨18min，然后再加入悬浮液重量2%的乳化剂OP-15、1.5%甲基丙烯酰氧基丙基三甲氧基硅烷、8%的固含量为50%的硅丙乳液和0.7%的十二碳醇酯，搅拌均匀后超声振荡至悬浮液中粉末颗粒充分分散，超声波频率为30kHz，超声功率为350W，过滤，烘干，c、步骤b制得的烘干物中加入4%的烟道灰、3%的砭石粉和1%的异丙基三（二辛基焦磷酸酰氧基）钛酸酯，1500rpm高速搅拌3min，烘干，粉碎，过250目筛即可。
一种汽车电线电缆用聚氯乙烯绝缘料的制备方法，包括以下步骤：
（1）将聚氯乙烯树脂、聚对苯二甲酸乙二醇酯和乙烯-醋酸乙烯共聚物投入混合机内混合均匀，然后加入均苯四酸四辛酯、柠檬酸三丁酯、硬脂酸和微晶石蜡，搅拌2min，升温至85℃，再加入过氧化二异丙苯、乙烯基三(β-甲氧基乙氧基)硅烷、三聚氰胺多聚磷酸酯、钼酸铵和氢氧化镁，搅拌4min，再升温至105℃，加入余下原料，搅拌3min，冷却降温至50℃以下时出料；
（2）将上述混料投入双螺杆挤出机中挤出造粒，双螺杆挤出机各区的加工温度分别为：1区160℃，2区165℃、3区180℃、4区175℃，机头170℃；挤出机螺杆转速30r/min；
（3）粒料经筛选磁选、计量后包装即为成品。
上述制得的电缆料的性能测试结果如下：

Claims (2)

1.一种汽车电线电缆用聚氯乙烯绝缘料，其特征在于，由下列重量份的原料制成：SG-5型聚氯乙烯树脂70-90、聚对苯二甲酸乙二醇酯15-25、乙烯-醋酸乙烯共聚物5-15、均苯四酸四辛酯10-15、柠檬酸三丁酯5-10、硬脂酸2-3、微晶石蜡3-5、钙锌稳定剂1-2、煅烧陶土10-15、玻璃微珠10-15、纳米叶腊石5-10、炭黑N660 20-25、过氧化二异丙苯2-3、乙烯基三(β-甲氧基乙氧基)硅烷1-2、三聚氰胺多聚磷酸酯 3-6、钼酸铵 4-8、氢氧化镁10-15、抗氧剂264 1-2、抗氧剂1035 1-2、复合填料 3-6；
所述复合填料的制备方法如下：a.按重量比4-6:2-3:1称取橄榄石、蓝晶石、铝矾土混合均匀，880-940℃下煅烧1-2h，冷却至室温，然后加入到浓度为15-20%的盐酸溶液中，在70-80℃水浴温度下保温0.5-1h，过滤，滤渣用蒸馏水洗涤至中性，烘干，粉碎，过150-200目筛，待用；b、取相当于橄榄石重量3-5倍的浓度为10-15%乙醇溶液，加入步骤a制得的粉末，2000-3000rpm高速研磨15-20min，然后再加入悬浮液重量2-3%的乳化剂OP-15、1-2%甲基丙烯酰氧基丙基三甲氧基硅烷、5-10%的固含量为50%的硅丙乳液和0.5-1%的十二碳醇酯，搅拌均匀后超声振荡至悬浮液中粉末颗粒充分分散，超声波频率为20-30 kHz，超声功率为300-400W，过滤，烘干，c、步骤b制得的烘干物中加入3-6%的烟道灰、2-4%的砭石粉和1-2%的异丙基三（二辛基焦磷酸酰氧基）钛酸酯，1000-1500rpm高速搅拌3-5min，烘干，粉碎，过200-300目筛即可。
2.根据权利要求1所述的汽车电线电缆用聚氯乙烯绝缘料的制备方法，其特征在于包括以下步骤：
（1）将聚氯乙烯树脂、聚对苯二甲酸乙二醇酯和乙烯-醋酸乙烯共聚物投入混合机内混合均匀，然后加入均苯四酸四辛酯、柠檬酸三丁酯、硬脂酸和微晶石蜡，搅拌1-3min，升温至80-90℃，再加入过氧化二异丙苯、乙烯基三(β-甲氧基乙氧基)硅烷、三聚氰胺多聚磷酸酯、钼酸铵和氢氧化镁，搅拌3-5min，再升温至100-110℃，加入余下原料，搅拌2-4min，冷却降温至50℃以下时出料；　　
（2）将上述混料投入双螺杆挤出机中挤出造粒，双螺杆挤出机各区的加工温度分别为：1区150-160℃，2区160-170℃、3区175-185℃、4区170-180℃，机头165-175℃；挤出机螺杆转速20-30r/min；
（3）粒料经筛选磁选、计量后包装即为成品。
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