张小敏¹,赵芳霞²,张振忠²,王昆彦¹,李起龙³,杜海涛³,王斌³

• 1:金陵科技学院 材料工程学院，江苏 南京 211169
• 2:南京工业大学 材料科学与工程学院，江苏 南京 210009
• 3:南京华信藤仓光通信有限公司，江苏 南京 210038

摘要(Abstract)：

为了提高微细铜粉的抗空气氧化性能，通过直流电弧等离子法制备超细铜粉，使用超声分散实现铜粉表面均匀包覆一层有机物，研究不同抗氧化剂表面改性工艺对铜粉抗氧化性能的影响。通过扫描电镜（SEM）、傅里叶红外光谱仪（FTIR）、X-射线衍射（XRD）和电子天平称重对包覆效果进行表征。研究结果表明：直流电弧等离子法制备球形超细铜粉分散在无水乙醇介质中，推荐较好的纳米铜粉表面抗氧化工艺为：30%苯并三氮唑（BTA）/30%柠檬酸（CA）复合表面活性剂包覆铜粉，超声20 min可有效阻碍铜粉在空气中的氧化。

关键词(KeyWords)： 纳米铜粉;制备;有机物包覆;抗氧化性能

Abstract:

Keywords:

基金项目(Foundation): 南京市科技计划项目（201805009）；江苏省青年自然科学基金（BK20170118）；金陵科技学院创客项目“复材梦之翼”（2017ck007）。

作者(Author): 张小敏¹,赵芳霞²,张振忠²,王昆彦¹,李起龙³,杜海涛³,王斌³

DOI: 10.3969/j.issn.1003-9015.2018.06.020

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