IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
A Mechanically and Chemically Stable Superhydrophobic Coating for Preventing Marine Atmospheric Corrosion
Zhang, Han1; Sun, Wen1; Wang, Lida1; Wang, Jing2; Wang, Suilin3; Liu, Guichang1
Corresponding AuthorSun, Wen( ; Liu, Guichang(
AbstractThe poor mechanical stability and superhydrophobic durability of superhydrophobic surface limit its practical application. In this study, a mechanically and chemically stable superhydrophobic coating was fabricated by randomly anchoring the hydrophobic and wear-resistant silica particles bonded to graphene by dopamine on the fluorocarbon surface with a micro-/nano- robust structure, which has the longest corrosion protection performance in the marine atmospheric environment. As the wear resistance enhanced due to the addition of SiO2, the as-prepared coating exhibits an excellent mechanical durability, especially the coating can withstand 4000 cm abrasion of 800 mesh sandpaper under a pressure of 2.49 kPa. Moreover, the fabricated coating maintains good chemical stability in 3.5 wt.% NaCl and ultraviolet stability for over 100 days. Under the barrier influence of trapped air films and the labyrinth effect of graphene, the corrosion protection property of the superhydrophobic coating remains almost unchanged in marine atmosphere after 160 days of experiments which is the longest lifetime reported so far. This abrasion-resistant and UV-stable superhydrophobic coating reveals extraordinary capability for application in marine atmospheric corrosion protection.
KeywordSuperhydrophobic coating Hierarchical structure Mechanical durability Chemical stability Corrosion protection
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[21703026] ; National Natural Science Foundation of China[21978036] ; National Natural Science Foundation of China[U1808210] ; Doctoral Start-up Foundation of Liaoning Province[2019-BS-046] ; Research Fund of Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao)[HYFSKF-201804] ; Beijing Scholars Program[022]
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000711827200002
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorSun, Wen; Liu, Guichang
Affiliation1.Dalian Univ Technol, Dept Chem Engn, 2 Linggong Rd, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao, Peoples R China
3.Beijing Univ Civil Engn & Architecture, Sch Environm & Energy Engn, 1 Exhibit Hall Rd, Beijing 100044, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Han,Sun, Wen,Wang, Lida,et al. A Mechanically and Chemically Stable Superhydrophobic Coating for Preventing Marine Atmospheric Corrosion[J]. SURFACES AND INTERFACES,2021,27:15.
APA Zhang, Han,Sun, Wen,Wang, Lida,Wang, Jing,Wang, Suilin,&Liu, Guichang.(2021).A Mechanically and Chemically Stable Superhydrophobic Coating for Preventing Marine Atmospheric Corrosion.SURFACES AND INTERFACES,27,15.
MLA Zhang, Han,et al."A Mechanically and Chemically Stable Superhydrophobic Coating for Preventing Marine Atmospheric Corrosion".SURFACES AND INTERFACES 27(2021):15.
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