聚(乙烯基甲酰胺-co-乙烯基胺)聚合物（PVFA-co-PVAm）在铜上的吸附。

Adsorption of poly(vinylformamide-co-vinylamine) polymers (PVFA-co-PVAm) on copper.

机构信息

Department of Polymer Chemistry, University of Technology Chemnitz, Chemnitz, Germany.

出版信息

Langmuir. 2012 Oct 23;28(42):14935-43. doi: 10.1021/la302855f. Epub 2012 Oct 15.

Abstract

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.

摘要

研究了聚（乙烯基甲酰胺）（PVFA）及其衍生物统计共聚物聚（乙烯基甲酰胺-co-乙烯基胺）（PVFA-co-PVAm）在金属铜和氧化铜颗粒以及平面铜表面上的吸附，作为 PVFA 的水解度、pH 值和溶液中聚合物浓度的函数。通过表面敏感的光谱方法，如 XPS、DRIFT 光谱和椭圆光度法，研究了 PVFA-co-PVAm 层的化学组成和分子结构。这些发现使我们能够解释 PVFA-co-PVAm 的吸附机制和吸附力。结果表明，厚度超过 30nm 的 PVFA-co-PVAm 层能够保护平面铜表面免受腐蚀性攻击。