采用XPS、FT-FR、及Raman光谱研究了经氨基三甲叉膦酸(ATMP)处理的钢铁表面所形成的表面膜。结果表明ATMP在铁表面上形成了一种耐蚀的配合物膜。结合Ar~+溅射剥蚀技术,测定了不同深度膜层的组成。在元素组成近似恒定区测得膜的相对原子浓度(A.C.％)为:O48.4％P28.6％;Fe 7.0％;N 4.3％;C 11.7％。由此推断其结构单元组成为[Fe(ATMP)_2]。
The protective surface film formed of carbon steel after a treatment in 1.0 mol/L amino-trimethylidenephosphonic acid(ATMP) solution was analysed by XPS, FT-IR and Raman spectrometer. The restlts showed that an anticorrosive coordination compound film was formed on the steel surface. By Ar~+ sputtering, the composition depth profile of the film was determind. The relative atomic percent contents(A. C. ％) of the film, as obtained from the element composition constant region of the profile curves, were 48.4％O; 28.6％P; 7.0％Fe; 4.3％N; 11.7％C. The structure of the coordination compound film was deducted from the above results, as probably [Fe(ATMP)_2]_n.
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