Environmentally friendly expanded graphite-doped ZnO superhydrophobic coating with good corrosion resistance in marine environment

IOCAS-IR

	Environmentally friendly expanded graphite-doped ZnO superhydrophobic coating with good corrosion resistance in marine environment
	Si-Wei Wu ; Quan-Tong Jiang ; Shuai Yuan; Qing-Kun Zhao ; Chang Liu ; Heng Tang ; Qiang Sun ; Ji-Zhou Duan; Bao-Rong Hou
发表期刊	Rare Metals
ISSN	1001-0521
	2023-09-15
出版年	2023
卷号	v.42 期号:09 页码:253-265
文献类型	CNKI期刊论文
摘要	Designing and fabricating the marine anti-corrosion materials without fluorine by superhydrophobic method is a huge challenge. In this study, an environmentally friendly composite coating was prepared by combing modified expanded graphite(EAG) with nano zinc oxide(ZnO). This coating showed superhydrophobic surface and good corrosion resistance. Fourier transform infrared spectroscopy(FITR), X-ray diffraction(XRD),and scanning electron microscopy(SEM) were used to characterize the materials in fabricating process of the coating. The properties of three composite coatings(ZnO,EAG, and EAG@ZnO) were analyzed, including surface roughness, water contact angle, corrosion resistance, selfcleaning and anti-fouling. The combination of ZnO and EAG caused a big water contact angle, leading superhydrophobic surface of the composite coatings. The electrochemical results showed that the superhydrophobic EAG@ZnO coating had a larger capacitive arc diameter and charge transfer resistance, indicating the enhanced anti-corrosion resistance. Meanwhile, the EAG@ZnO coating also showed good self-cleaning and anti-fouling performance according to solid and liquid pollutants tests.In addition, the mechanical properties and stability of the superhydrophobic EAG@ZnO coatings were evaluated by knife peeling and finger scratch tests. In summary, these superhydrophobic and anti-fouling EAG@ZnO composite coatings provide a potential application in marine corrosion and protection field.
关键词	Coating Superhydrophobic Anti-corrosion Anti-fouling Environmentally friendly
CNKI专辑号	B;
CNKI专辑名称	工程科技Ⅰ辑;
CNKI专题号	B022;
CNKI专题名称	金属学及金属工艺;
分类号	TG174.4
收录类别	中科院核心 ; 中科院扩展
语种	英文;
资助项目(基金）	financially supported by Hainan Province Science and Technology Special Fund (No. ZDYF2021GXJS210) ; Hainan Provincial Joint Project of Sanya Yazhou Bay Science and Technology City (No. 2021CXLH0005) ; Wenhai Program of the S&T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology (No. 2021WHZZB2301) ; Overseas Science and Education Centers of Bureau of International Cooperation Chinese Academy of Sciences (No. 121311KYSB20210005) ; Hainan Institute for Chinese Development Strategy of Engineering & Technology (No. 22-HN-XZ-02) and for providing support
文献类型	CNKI期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/187006
专题	中国科学院海洋研究所
作者单位	1.SeaInstituteofOceanology,ChineseAcademyofSciences 2.CASKeyLaboratoryofMarineEnvironmentalCorrosionandBio-Fouling,InstituteofOceanology,ChineseAcademyofSciences 3.SanyaInstituteofOceanEco-EnvironmentalEngineering 4.UniversityofChineseAcademyofSciences 5.OpenStudioforMarineCorrosionandProtection,PilotNationalLaboratoryforMarineScienceandTechnology(Qingdao)
推荐引用方式 GB/T 7714	Si-Wei Wu,Quan-Tong Jiang,Shuai Yuan,et al. Environmentally friendly expanded graphite-doped ZnO superhydrophobic coating with good corrosion resistance in marine environment. 2023.