多巴胺表面改性CNTs制备微纳双重结构的Ni/CNTs@pDA超疏水复合镀层

材料导报

2019, Vol. 33

Issue (Z2): 568-572

高分子与聚合物基复合材料

多巴胺表面改性CNTs制备微纳双重结构的Ni/CNTs@pDA超疏水复合镀层

陈建锋^1,2, 王方明¹, 钟史放¹, 胡明金¹, 张江涛¹, 王凯冬¹, 李小兵^1,2

1 南昌大学机电工程学院,南昌 330031;
2 南昌大学摩擦学重点实验室,南昌 330031

Preparation of Super-hydrophobic Ni/CNTs@pDA Composite Coating with Micro/Nano Binary Structures by Dopamine Modification

CHEN Jianfeng^1,2, WANG Fangming¹, ZHONG Shifang¹, HU Mingjin¹, ZHANG Jiangtao¹, WANG Kaidong¹, LI Xiaobing^1,2

1 College of Mechanical Engineering, Nanchang University, Nanchang 330031;
2 Key Laboratory of Tribology, Nanchang University, Nanchang 330031

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摘要为进一步增强Ni/CNTs复合镀层的耐腐蚀性、耐摩擦以及耐磨损性,采用多巴胺(DA)对碳纳米管(CNTs)进行表面改性处理,增强CNTs的亲水性以及与镀层金属间的结合力。高分辨透射电镜(HRTEM)和能谱仪(XPS)检测表明,处理后的CNTs被聚多巴胺(pDA)膜包裹,膜厚最高达3.6 nm。其后本研究使用球盘式摩擦磨损实验机和电化学工作站对复合镀层的摩擦学性能和腐蚀性能进行了测试。结果表明:Ni/CNTs@pDA复合镀层的性能优于纯镍镀层。最后本研究使用氟硅烷(FAS)对镀层表面进行改性,从而构建超疏水表面,接触角测试仪分析表明静态接触角最高可达152.7°。

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	陈建锋
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	李小兵

关键词: 碳纳米管多巴胺表面改性摩擦磨损腐蚀行为超疏水微纳双重结构

Abstract: In order to enhance the corrosion resistance, rub resistance and wear resistance of Ni/CNTs composite coating, surface modification of carbon nanotubes (CNTs) was carried out by dopamine (DA), and the hydrophilicity of CNTs and the bonding between CNTs and the substrate was improved obviously. The high resolution transmission electronic microscope (HRTEM) and energy dispersive spectrometer (XPS) confirmed that the CNTs were coated with poly-dopamine (pDA) up to 3.6 nm. Then the tribological properties and corrosion behavior of the composite coating were measured by ball-on-disk wear tester and electrochemical workstation. The results showed that the performance of Ni/CNTs@pDA compo-site coating is better than the pure nickel coating. Finally,tridecafluorooctyl trimethoxysilane (FAS) was selected to modify the composite coating surface to improve their hydrophobicity. The maximum contact angle measuring up to 152.7°.

Key words: carbon nanotubes dopamine surface modification friction and wear electrochemical corrosion superhydrophobicity micro/nano binary structures

出版日期: 2019-11-25 发布日期: 2019-11-25

ZTFLH:

TG178

通讯作者: lixiaobing@ncu.edu.cn

作者简介: 陈建锋,南昌大学讲师。2012年9月至2017年6月,在中国科学技术大学获得仪器科学与技术工学博士学位。以第一作者在国内外学术期刊上发表论文10余篇。担任多个学术期刊的审稿人。研究工作主要围绕微纳米工程,开展关于先进微纳加工工艺以及仿生表界面相互作用机理研究。
李小兵,男,1979年生,副教授/博士,美国佐治亚理工学院访问学者,南昌大学机电工程学院机械工程系副主任。兼任中国机械工程学会表面工程分会青委会委员、江西省机械工程学会摩擦学分会副秘书长、表面工程分会理事,江西省工程图学学会理事。主要从事机械产品创新、表面工程与摩擦学等方向研究,先后主持和参加国家自然科学基金、省自然科学基金等省部级以上科研项目10项,发表学术论文60余篇,其中SCI、EI收录10余篇,申请发明专利60余项。

引用本文:

陈建锋, 王方明, 钟史放, 胡明金, 张江涛, 王凯冬, 李小兵. 多巴胺表面改性CNTs制备微纳双重结构的Ni/CNTs@pDA超疏水复合镀层[J]. 材料导报, 2019, 33(Z2): 568-572.
CHEN Jianfeng, WANG Fangming, ZHONG Shifang, HU Mingjin, ZHANG Jiangtao, WANG Kaidong, LI Xiaobing. Preparation of Super-hydrophobic Ni/CNTs@pDA Composite Coating with Micro/Nano Binary Structures by Dopamine Modification. Materials Reports, 2019, 33(Z2): 568-572.

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