CN107903532A - 一种钙锌软合金及其被覆导线的制备方法 - Google Patents

一种钙锌软合金及其被覆导线的制备方法 Download PDF

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CN107903532A
CN107903532A CN201711124277.5A CN201711124277A CN107903532A CN 107903532 A CN107903532 A CN 107903532A CN 201711124277 A CN201711124277 A CN 201711124277A CN 107903532 A CN107903532 A CN 107903532A
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库群星
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Live In City Of Shenzhen New Energy Connection System Of Ltd By Share Ltd
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Abstract

本发明公开一种用作电动汽车充电电缆的绝缘材料—钙锌软合金及其被覆导线的制备方法。钙锌软合金由下列重量百分比含量的组份配制而成:聚氯乙烯树脂40.0~45.0%、碳酸钙4.0~5.0%、三氧化二硅5.0~6.0%、硬脂酸钙1.0~2.0%、硬酯酸锌0.5~1.0%、三氧化二锑1.0~1.5%、聚乙烯腊0.5~1.0%、亚磷酸三异辛酸酯20.0~25.0%、2‑甲基乙酯1.0~2.0%、脂肪酸甘油酯1.0~2.0%、二甲聚硅氧烷硅1.0~2.0%、丙烯晴一丁二烯8.0~9.0%、甲基苯乙烯1.0~1.5%,氯化聚乙烯2.0~3.0%。本发明钙锌软合金被覆制作的导线,当直径40mm以上的电缆使用时,任意360度弯曲和扭转不开裂且具高耐磨性,同时具备高耐压性。制作的充电枪电缆长期在地上拖拽下,不会磨破电缆的外被,使用安全、便利。

Description

一种钙锌软合金及其被覆导线的制备方法
技术领域
本发明涉及绝缘材料,尤其涉及一种可安全、使用便利的电动汽车充电用的高压电缆的绝缘材料及其被覆导线的制备方法。该种电缆可以同时满足任意扭转弯曲的柔软性和耐磨性的要求。
背景技术
通常高压直流电缆均使用在两点间的固定连接,连接好后无需再移动。所以整个电缆较硬,且也不要求耐磨。但是,电动汽车充电枪的电缆属非固定连接,电动汽车在使用充电枪充电时,从充电桩到汽车充电接口的电缆因使用频率较高,又经常在地上拖拽,因此必须要求高耐磨性,还要使用方便;且要求使用时360度的任意扭转弯曲,电缆都不会破裂。然而现有的电缆外被均不能同时满足电缆任意扭转弯曲的柔软性和耐磨性的要去。
电动汽车充电使用的充电枪高压直流电缆,在充电时须有耐磨和柔软等要求。如何提供一种安全、使用方便的并能同时满足电缆任意扭转弯曲的柔软性和耐磨性要求的电动汽车充电用的高压电缆,是业界亟待要解决的问题。
发明内容
本发明为了解决现有电动汽车充电用的高压电缆使用不安全、不方便以及不能同时满足任意扭转弯曲的柔软性和耐磨性要求的技术问题,提出一种安全的、使用便利和高耐压性的又可同时满足任意扭转弯曲的柔软性和耐磨性要求的钙锌软合金及其被覆导线的制备方法。
本发明提出的一种钙锌软合金,由下列重量百分比含量的组份配制而成:
聚氯乙烯树脂 40.0~45.0%、碳酸钙4.0~5.0%、三氧化二硅5.0~6.0%、硬脂酸钙1.0~2.0%、硬酯酸锌0.5~1.0%、三氧化二锑1.0~1.5%、聚乙烯腊0.5~1.0%、亚磷酸三异辛酸酯20.0~25.0%、2-甲基乙酯1.0~2.0%、脂肪酸甘油酯1.0~2.0%、二甲聚硅氧烷硅1.0~2.0%、丙烯晴一丁二烯8.0~9.0%、甲基苯乙烯1.0~1.5%,氯化聚乙烯2.0~3.0%。
本发明提出的所述的钙锌软合金被覆导线的制备方法,步骤如下:
步骤1:根据所述钙锌软合金的配方,按比例称量各组份,先将亚磷酸二异辛酸酯、碳酸钙、三氧化二硅、三氧化二锑投入到搅拌机中,在80℃~90℃的温度下搅拌15分钟左右;
步骤2:再将剩余组分全部投入搅拌机中,在90℃~110℃的温度下搅拌15分钟左右;
步骤3:然后将搅拌好的细小颗粒状混合物投入到本公司自主研发的双螺杆同步反向密炼机中,在160℃~170℃温度下密炼制成直径为3~5mm的条状钙锌软联合金,然后用20℃左右的冷水将条状钙锌软合金冷却后,用切粒机切成2~4mm的颗粒;
步骤4:最后将切粒机切成的颗粒用电线挤押机被覆在导体上,制得钙锌软合金导线。
其中,所述的电线挤押机为反压式梅花螺杆挤押机。
本发明通过特殊配方,并在先进的双螺杆同步反向密炼机中密炼钙锌软合金颗粒,再在反压式梅花螺杆电线押出机上将钙锌软合金颗粒被覆在导线上,从而使得直径40mm以上的电缆使用时,任意360度弯曲和扭转不开裂且具高耐磨性。本发明提供的钙锌软合金材料,具有高柔性,高耐磨性,同时具备高耐压性。制作的充电枪电缆长期在地上拖拽下,不会磨破电缆的外被,使用安全、便利。目前尚未发现除本发明提供的钙锌软合金以及制备导线方法以外的其它技术能达到用作电动汽车充电电缆的使用要求。
具体实施方式
本发明提出的钙锌软合金,由下列重量百分比含量的组份配制而成:
聚氯乙烯树脂 40.0~45.0%、碳酸钙4.0~5.0%、三氧化二硅5.0~6.0%、硬脂酸钙1.0~2.0%、硬酯酸锌0.5~1.0%、三氧化二锑1.0~1.5%、聚乙烯腊0.5~1.0%、亚磷酸三异辛酸酯20.0~25.0%、2-甲基乙酯1.0~2.0%、脂肪酸甘油酯1.0~2.0%、二甲聚硅氧烷硅1.0~2.0%、丙烯晴一丁二烯8.0~9.0%、甲基苯乙烯1.0~1.5%,氯化聚乙烯2.0~3.0%。
根据需要,所述的钙锌软合金可以按下表的各实施例的配方进行配制 :
本发明钙锌软合金使用的组分,其中:
1、聚氯乙烯树脂与丙烯晴一丁二烯、碳酸钙、硬脂酸钙、硬酯酸锌具有很好耐磨效果,再按比例配上软化剂亚磷酸三异辛酸酯、氯化聚乙烯、 二甲聚硅氧烷硅、2-甲基乙酯,高耐压材料三氧化二硅和加工助剂 脂肪酸甘油酯 、甲基苯乙烯等原料,用搅拌机搅拌成细小颗粒,通过本公司自主研发的双螺杆同步反向密炼机进行密炼制成2~4mm颗粒,再经过梅花螺杆电线押出机挤押成电线,以达到行业需求的技术要求:具有高柔性,高耐磨性,同时具备高耐压性。
2:高耐压材料 三氧化二硅
本材料用于电线导体铜等有色金属绝缘,保证电线在高电压使用下绝缘不被击穿。
3:加工助剂和软化剂 脂肪酸甘油酯 、甲基苯乙烯、亚磷酸三异辛酸酯、氯化聚乙烯、 二甲聚硅氧烷金硅等:材料中加入脂肪酸甘油酯 、甲基苯乙烯、亚磷酸三异辛酸酯、氯化聚乙烯、 二甲聚硅氧烷硅等加工助剂和软化剂,保证电线挤押时外观光亮无气泡,提升电线绝缘性能,且保证合材料的高柔软性,保证了电线弯曲半径小, 保证了充电枪电缆方便使用. 且使用时360度的任意扭转弯曲,电缆都不会破裂。
本发明提出的所述的钙锌软合金被覆导线的制备方法,步骤如下:
步骤1:根据所述硅铝交联合金的配方,按比例称量各组份,先将亚磷酸二异辛酸酯、碳酸钙、三氧化二硅、三氧化二锑投入到搅拌机中,在80℃~90℃的温度下搅拌15分钟左右;
步骤2:再将剩余组分全部投入搅拌机中,在90℃~110℃的温度下搅拌15分钟左右;
步骤3:然后将搅拌好的细小颗粒状混合物投入到本公司自主研发的双螺杆同步反向密炼机中,在160℃~170℃温度下密炼制成直径为3~5mm的条状钙锌软联合金,然后用20℃左右的冷水将条状合金冷却后,用切粒机切成2~4mm颗粒;
步骤4:最后将所述的钙锌软合金颗粒原料用电线挤押机被覆在导体上,制得钙锌软合金导线。
其中,所述的电线挤押机为反压式梅花螺杆挤押机。
本发明通过特殊配方,并在先进的双螺杆同步反向密炼机中密炼钙锌软合金颗粒,再在反压式梅花螺杆电线押出机上将钙锌软合金颗粒被覆在导线上,从而使得直径40mm以上的电缆使用时,任意360度弯曲和扭转不开裂且具高耐磨性。本发明提供的钙锌软合金材料,具有高柔性,高耐磨性,同时具备高耐压性。制作的充电枪电缆长期在地上拖拽下,不会磨破电缆的外被,使用安全、便利。目前尚未发现除本发明提供的钙锌软合金以及制备导线方法以外的其它技术能达到用作电动汽车充电电缆的使用要求。
以上所述实施例主要是为了说明本发明的创作构思,应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。

Claims (3)

1.一种钙锌软合金,由下列重量百分比含量的组份配制而成:
聚氯乙烯树脂 40.0~45.0%、碳酸钙4.0~5.0%、三氧化二硅5.0~6.0%、硬脂酸钙1.0~2.0%、硬酯酸锌0.5~1.0%、三氧化二锑1.0~1.5%、聚乙烯腊0.5~1.0%、亚磷酸三异辛酸酯20.0~25.0%、2-甲基乙酯1.0~2.0%、脂肪酸甘油酯1.0~2.0%、二甲聚硅氧烷硅1.0~2.0%、丙烯晴一丁二烯8.0~9.0%、甲基苯乙烯1.0~1.5%,氯化聚乙烯2.0~3.0%。
2.一种如权利要求1所述的钙锌软合金被覆导线的制备方法,步骤如下:
步骤1:根据所述钙锌软合金的配方,按比例称量各组份,先将亚磷酸二异辛酸酯、碳酸钙、三氧化二硅、三氧化二锑投入到搅拌机中,在80℃~90℃的温度下搅拌15分钟;
步骤2:再将剩余组分全部投入所述搅拌机中,在90℃~110℃的温度下搅拌15分钟;
步骤3:然后将搅拌好的混合物投入双螺杆同步反向密炼机中,在160℃~170℃温度下密炼制成直径为3~5mm的条状钙锌软联合金,然后用20℃的冷水将所述条状钙锌软合金冷却后,用切粒机切成2~4mm的颗粒;
步骤4:最后将所述切粒机切成的颗粒用电线挤押机被覆在导体上,制得钙锌软合金导线。
3.如权利要求1所述的制备方法,其特征在于,所述的电线挤押机为反压式梅花螺杆挤押机。
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