CN110157281A - 一种覆膜铜线的制备方法 - Google Patents

一种覆膜铜线的制备方法 Download PDF

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CN110157281A
CN110157281A CN201910323808.6A CN201910323808A CN110157281A CN 110157281 A CN110157281 A CN 110157281A CN 201910323808 A CN201910323808 A CN 201910323808A CN 110157281 A CN110157281 A CN 110157281A
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黄孟波
施耀
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Zhejiang Grain Copper Ltd By Share Ltd
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Abstract

本发明公开了一种覆膜铜线的制备方法,在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的铜线;其中复合耐热漆按重量份包括5‑8份纳米氧化硅、10‑15份纳米氧化锌、5‑10份纳米氧化镁、1‑5份聚酰胺酰亚胺、5‑10份酚醛树脂、2‑3份耐高温颗粒、0.1‑0.5份碳纤维和80‑90份有机溶剂混合加热后得到复合耐热漆;所述耐高温颗粒是负载在活性炭上的CuFeS2。本发明提供的一种覆膜铜线的制备方法,通过本各原料之间的协同作用,使得制得的包裹有耐热材料的铜线不仅具备优良的耐热性能,而且不易老化,大大延长了使用寿命。添加耐高温颗粒能够能够增加复合耐热漆的耐热性。

Description

一种覆膜铜线的制备方法
技术领域
本发明涉及电线领域,特别涉及一种覆膜铜线的制备方法。
背景技术
现有的电线的绝缘层的主要成分是热固性橡皮,橡皮加工配方复杂、工艺要求较高,成品率较低,不但增加了浪费,而且增加了过程成本,并且橡皮混料时存在粉尘,会对环境造成污染。并且,一般橡皮线的使用寿命为2-3年,导致整根电线的使用寿命较低。
发明内容
本发明的目的是克服现有技术的不足,提供一种覆膜铜线的制备方法。
为了实现上述目的,本发明提供的一种覆膜铜线的制备方法,包括以下步骤:在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的铜线;
其中复合耐热漆按重量份包括5-8份纳米氧化硅、10-15份纳米氧化锌、5-10份纳米氧化镁、1-5份聚酰胺酰亚胺、5-10份酚醛树脂、2-3份耐高温颗粒、0.1-0.5份碳纤维和80-90份有机溶剂混合加热后得到复合耐热漆;
所述耐高温颗粒是负载在活性炭上的CuFeS2,其制备流程为:
a:取40~50mL的1-十八烯(ODE)与20~30mL油酸混合,将0.05mmol的Fe前驱体加入上述混合溶剂,升温至130℃后加入10mL十二烷基硫醇,记为溶液A;上述的纳米晶的合成过程中,1-十八烯(ODE)与油酸的体积比不低于1.5。Fe前驱体为三乙酰丙酮铁(Fe(acac)3)或氯化亚铁,使用三乙酰丙酮铁效果会更佳。之所以采用油酸,是为了增加后续纳米晶合成过程中与硫元素的结合力。
b:配置10~15mmol十四酸与四甲基氢氧化铵(TMAH)的混合溶液,将0.05mmol铜盐溶于100mL甲醇,将该甲醇溶液逐滴滴入到十四酸/TMAH溶液中,持续搅拌12h后滤出固体,用甲醇各洗涤数次,干燥待用,即得十四酸铜;上述流程中所提到的铜盐为醋酸铜。本方法中Cu盐先单独合成制备,可有效增加生成的纳米晶质量。
c:在氩气保护下,将0.05g的硫溶于50mL油胺或三辛基氧化磷中,记为溶液B。溶液B的配制过程中,溶液温度保持在160~200℃之间。
d:将0.05mmol的十四酸铜溶解于A溶液中,逐滴加入到B溶液中,在150~240℃下反应25~60min后,取放入冰水中迅速冷却,即得纳米晶分散液;
e:取活性炭粉末加入到纳米晶分散液中,剧烈搅拌10min后滤出,在200℃下烘干4h,即得耐高温颗粒样品。上述的耐高温颗粒制备过程中,所述的活性炭粉末为椰壳炭或果壳炭中的一种,粒径为100~200目。纳米晶分散液中的纳米晶总质量与活性炭粉末的质量比不高于0.03。烘干过程需要在N2保护下进行。该制备过程中,首先保证纳米晶能够分散在活性炭表面,但并不要求将溶液中的所有纳米晶全部吸附。残余溶液中的纳米晶暂时不做考虑。
本发明提供的一种覆膜铜线的制备方法,在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的电线。通过本各原料之间的协同作用,使得制得的包裹有耐热材料的铜线不仅具备优良的耐热性能,而且不易老化,大大延长了其使用寿命。添加耐高温颗粒能够能够增加复合耐热漆的耐热性。
具体实施方式
实施例1
本实施例提供的一种覆膜铜线的制备方法,包括以下步骤:在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的铜线;
其中复合耐热漆按重量份包括5份纳米氧化硅、10份纳米氧化锌、5份纳米氧化镁、1份聚酰胺酰亚胺、5份酚醛树脂、2份耐高温颗粒、0.1份碳纤维和80份有机溶剂混合加热后得到复合耐热漆;
所述耐高温颗粒是负载在活性炭上的CuFeS2,其制备流程为:
a:取40~50mL的1-十八烯(ODE)与20~30mL油酸混合,将0.05mmol的Fe前驱体加入上述混合溶剂,升温至130℃后加入10mL十二烷基硫醇,记为溶液A;上述的纳米晶的合成过程中,1-十八烯(ODE)与油酸的体积比不低于1.5。Fe前驱体为三乙酰丙酮铁(Fe(acac)3)或氯化亚铁。
b:配置10~15mmol十四酸与四甲基氢氧化铵(TMAH)的混合溶液,将0.05mmol铜盐溶于100mL甲醇,将该甲醇溶液逐滴滴入到十四酸/TMAH溶液中,持续搅拌12h后滤出固体,用甲醇各洗涤数次,干燥待用,即得十四酸铜;上述流程中所提到的铜盐为醋酸铜。
c:在氩气保护下,将0.05g的硫溶于50mL油胺或三辛基氧化磷中,记为溶液B。溶液B的配制过程中,溶液温度保持在160~200℃之间。
d:将0.05mmol的十四酸铜溶解于A溶液中,逐滴加入到B溶液中,在150~240℃下反应25~60min后,取放入冰水中迅速冷却,即得纳米晶分散液;
e:按所需配比,取活性炭粉末加入到纳米晶分散液中,剧烈搅拌10min后滤出,在200℃下烘干4h,即得耐高温颗粒样品。上述的耐高温颗粒制备过程中,所述的活性炭粉末为椰壳炭或果壳炭中的一种,粒径为100~200目。纳米晶分散液中的纳米晶总质量与活性炭粉末的质量比不高于0.03。烘干过程需要在N2保护下进行。
实施例2
本实施例提供的一种覆膜铜线的制备方法,其与实施例1的区别在于在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的铜线;其中复合耐热漆按重量份包括8份纳米氧化硅、15份纳米氧化锌、10份纳米氧化镁、5份聚酰胺酰亚胺、10份酚醛树脂、3份耐高温颗粒、0.5份碳纤维和90份有机溶剂混合加热后得到复合耐热漆。
实施例3
本实施例提供的一种覆膜铜线的制备方法,其与实施例1的区别在于在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的铜线;其中复合耐热漆按重量份包括6份纳米氧化硅、12份纳米氧化锌、8份纳米氧化镁、4份聚酰胺酰亚胺、8份酚醛树脂、2份耐高温颗粒、0.3份碳纤维和85份有机溶剂混合加热后得到复合耐热漆。

Claims (3)

1.一种覆膜铜线的制备方法,其特征在于,在铜线的表面涂覆一层复合耐热漆,经烘干后即可得到包裹有耐热材料的铜线;
其中复合耐热漆按重量份包括5-8份纳米氧化硅、10-15份纳米氧化锌、5-10份纳米氧化镁、1-5份聚酰胺酰亚胺、5-10份酚醛树脂、2-3份耐高温颗粒、0.1-0.5份碳纤维和80-90份有机溶剂混合加热后得到复合耐热漆;
所述耐高温颗粒是负载在活性炭上的CuFeS2,其制备流程为:
a:取40~50mL的1-十八烯(ODE)与20~30mL油酸混合,将0.05mmol的Fe前驱体加入上述混合溶剂,升温至130℃后加入10mL十二烷基硫醇,记为溶液A;
b:配制10~15mmol十四酸与四甲基氢氧化铵(TMAH)的混合溶液,将0.05mmol铜盐溶于100mL甲醇,将该甲醇溶液逐滴滴入到十四酸/TMAH溶液中,持续搅拌12h后滤出固体,用甲醇各洗涤数次,干燥待用,即得十四酸铜;
c:在氩气保护下,将0.05g的硫溶于50mL油胺或三辛基氧化磷中,记为溶液B;
d:将0.05mmol的十四酸铜溶解于A溶液中,逐滴加入到B溶液中,在150~240℃下反应25~60min后,取放入冰水中迅速冷却,即得纳米晶分散液;
e:取活性炭粉末加入到上述纳米晶分散液中,剧烈搅拌10min后滤出,在200℃下烘干4h,即得耐高温颗粒。
2.根据权利要求1所述的一种覆膜铜线的制备方法,其特征在于,所述耐高温颗粒中的活性炭粉末为椰壳炭或果壳炭中的一种,粒径为100~200目。
3.根据权利要求1所述的一种覆膜铜线的制备方法,其特征在于,所述耐高温颗粒制备过程中,烘干过程需要在N2保护下进行。
CN201910323808.6A 2019-04-22 2019-04-22 一种覆膜铜线的制备方法 Pending CN110157281A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107286840A (zh) * 2017-07-25 2017-10-24 芜湖乾凯材料科技有限公司 一种包裹有纳米复合绝缘材料的铜线及其制备方法
CN108862366A (zh) * 2018-08-28 2018-11-23 武汉理工大学 片状Cu2-xS纳米晶作为微波吸收剂的应用及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107286840A (zh) * 2017-07-25 2017-10-24 芜湖乾凯材料科技有限公司 一种包裹有纳米复合绝缘材料的铜线及其制备方法
CN108862366A (zh) * 2018-08-28 2018-11-23 武汉理工大学 片状Cu2-xS纳米晶作为微波吸收剂的应用及其制备方法

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Application publication date: 20190823