期刊
LANGMUIR
卷 28, 期 42, 页码 14935-14943出版社
AMER CHEMICAL SOC
DOI: 10.1021/la302855f
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资金
- Deutsche Forschungsgemeinschaft [Sp 392/20-1, Sp 392/20-2]
- Fonds der Chemischen Industrie
- BMBF [01RI0710AB]
The adsorption of poly(vinylformamide) (PVFA) and its derivative statistical copolymer poly(vinyl-formamide-co-vinylamine) (PVFA-co-PVAm) on metallic copper and copper oxide particles as well as planar copper surfaces was studied as a function of the degree of hydrolysis of PVFA, the pH, and the polymer concentration in solution. The chemical composition and molecular structure of the PVFA-co-PVAm layers were investigated by surface-sensitive spectroscopic methods such as XPS, DRIFT spectroscopy, and ellipsometry. The findings allowed us to explain the adsorption mechanisms and the forces driving the PVFA-co-PVAm adsorption. It was shown that PVFA-co-PVAm layers thicker than 30 nm are able to protect the planar copper surface against corrosive attack.
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