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Preparation of (3-mercaptopropyl)trimethoxylsilane film on brass and its corrosion resistance in natural seawater

Authors :
Qian Li
Dong-Dong Shi
Meng-Meng Ding
Hong-Qiang Fan
Moucheng Li
Y. Frank Cheng
Source :
Progress in Organic Coatings. 138:105392
Publication Year :
2020
Publisher :
Elsevier BV, 2020.

Abstract

Preparation of 3-mercaptopropyl)trimethoxylsilane (PropS-SH) film on brass surface and its corrosion resistance performance were investigated by surface energy analysis, Fourier transform infrared reflection (FT-IR) spectroscopy and electrochemical measurements. The results indicated that the generation of PropS-SH sialne film on brass was based on spontaneous reactions to produce Cu-S, Zn-S bond and Si-O-Si bonds. When the brass substrate was covered with the prepared PropS-SH silane film, the dezincification coefficient of brass decreased from 4.45 to 0.47. The PropS-SH silane film was able to minimize the dissolution of both Cu and Zn, improving the corrosion resistance of brass in natural seawater.

Details

ISSN :
03009440
Volume :
138
Database :
OpenAIRE
Journal :
Progress in Organic Coatings
Accession number :
edsair.doi...........afcab8467f3878c011667579891bf78a
Full Text :
https://doi.org/10.1016/j.porgcoat.2019.105392