Polymer Composite Coating for Anti‐marine and Related Organism Corrosion

Chen, Kaifeng; Xie, Zhipeng; Liang, Y. Q.; Wang, Jingjing; Zhuang, Haiyan

doi:10.1002/9783527344987.ch16

Inorganic and Organic Thin Films 2021

DOI: 10.1002/9783527344987.ch16

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Polymer Composite Coating for Anti‐marine and Related Organism Corrosion

Kaifeng Chen¹,

Zhipeng Xie²,

Y. Q. Liang³

et al.

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2024

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In Situ Rapid Preparation of the Cu-MOF Film on Titanium Alloys at Low Temperature

Liu,

Gao

2024

ACS Appl. Mater. Interfaces

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Titanium alloys are widely used in marine environments and medical fields due to their excellent corrosion resistance and high specific strength. However, their good biocompatibility can lead to severe biofouling, thereby limiting their effectiveness. To inhibit biofouling on the surface of titanium alloys, this study proposes an antifouling solution, which involves the in situ preparation of Cu-MOF film on titanium alloys by leveraging the antibacterial properties of Cu ions. Here, the dense and stable TiO 2 film on the surface of Ti-6Al-4V titanium alloy was removed by alkali-heat treatment; meanwhile, a porous surface structure was simultaneously obtained where OH − ions were retained. In the subsequent step, the retained OH − ions in the pores attracted Cu 2+ ions in solution to form Cu(OH) 2 in the pores, providing active sites for the formation of Cu-MOFs. Subsequently, Cu(OH) 2 reacted with organic ligand (1,3,5benzenetricarboxylic acid, BTC) at room temperature to form Cu-MOFs in the pores, which then grew quickly to cover the alkaliheat-treated surface within 1 h. The formation mechanism of Cu-MOF film on Ti-6Al-4V was elucidated, which provides a reference for designing and preparing multifunctional MOF film in situ on titanium alloys. The stability of in situ-grown Cu-MOF samples and their inhibitory effects on bacteria and microalgae have also been verified. The results indicate that although the stability of Cu-MOFs is relatively poor, their bactericidal and algicidal effects are extremely significant, suggesting that this material has significant potential for short-term applications that require high antibacterial performance.

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In Situ Rapid Preparation of the Cu-MOF Film on Titanium Alloys at Low Temperature

Liu,

Gao

2024

ACS Appl. Mater. Interfaces

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show abstract

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Polymer Composite Coating for Anti‐marine and Related Organism Corrosion

Cited by 1 publication

References 61 publications

In Situ Rapid Preparation of the Cu-MOF Film on Titanium Alloys at Low Temperature

In Situ Rapid Preparation of the Cu-MOF Film on Titanium Alloys at Low Temperature

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