Research on Performance of Self-polishing Antifouling Coatings Containing Cu Based on Raman Spectroscopy

被引：0

作者：

Zhu Y. ^{[1
]}

Feng M. ^{[1
]}

Zhao Q. ^{[1
]}

Wang H. ^{[1
]}

Yang Y. ^{[1
]}

Qi J. ^{[1
]}

Cong W. ^{[2
]}

机构：

[1] College of New Energy, China University of Petroleum (East China), Shandong, Qingdao

[2] State Key Laboratory of Marine Coatings, Marine Chemical Research Institute Co., Ltd., Shandong, Qingdao

来源：

Cailiao Daobao/Materials Reports | 2024年 / 38卷 / 09期

关键词：

antifouling agent; antifouling coating; composition change; micro-morphology;

D O I：

10.11896/cldb.22110241

中图分类号：

学科分类号：

摘要：

Fouling of marine organisms often occurs on the surface of marine materials and equipment, causing serious economic losses and security risks. Antifouling coatings are one of the most economical and efficient measures to relieve marine fouling organisms through slow release of toxic agents. Antifouling agent is the main component of antifouling coating. However, there are few studies on the detection of cuprous oxide (Cu2O) and its composition change in the process of service in Cu2O-SPC. In view of this, the surface characteristics of Cu2O-SPC and the composition changes of antifouling agent Cu2O in service were studied in this work. The results of scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) show that there are obvious granular phase and non-granular phase on the surface of Cu2O-SPC, in which there are a large number of Cu, C, O elements in the granular phase and Cu, C, O, Fe, S, Si elements in the non-granular phase. The Raman spectra shows that the tracking Raman characteristic peak of Cu2O in Cu2O-SPC is selected as 409 cm-1, and the characteristic peak of Cu2O-SPC changes before and after corrosion. In situ analysis of some areas of Cu2O-SPC show that the characteristic peak intensity and peak area of Cu2O decrease and the fluctuation decrease. That is, the Cu2O concentration of Cu2O-SPC has changed before and after corrosion. During the service of antifouling coatings, Cu2O slowly diffuses to the outside environment, and it diffuses from high concentration to low concentration driven by the concentration difference inside the antifouling coatings. This work is helpful to clarify the surface morphology and composition of antifouling coatings used in marine equipment and the transformation of antifouling agent concentration. It provides a new method to trace and quantify the key chemical components of antifouling coatings. © 2024 Cailiao Daobaoshe/ Materials Review. All rights reserved.

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