含噻二唑季铵盐表面活性剂的合成及缓蚀杀菌性能研究

朱海林, 陆小猛, 李晓芬, 王俊霞, 刘建华, 冯丽, 马雪梅, 胡志勇

Synthesis, Corrosion Inhibition and Bactericidal Performance of an Ammonium Salt Surfactant Containing Thiadiazole

ZHU Hailin, LU Xiaomeng, LI Xiaofen, WANG Junxia, LIU Jianhua, FENG Li, MA Xuemei, HU Zhiyong

表2 碳钢试样在不同介质中浸泡21 d后的XPS谱图拟合参数

Table 2 Fitting parameters of XPS spectra of carbon steel immersed in different solutions for 21 d

Valence state Medium Binding energy / eV Proposed structure Atomic fraction / % Valence state Medium Binding energy / eV Proposed structure Atomic fraction / % C 1s SRB 284.77 C—C 30.23 Fe 2p SRB 710.40 FeS 13.74 286.21 C—C, C=O 711.40 Fe2O3 288.00 C=O 712.28 FePO4 MTOTB 284.80 C—C, C—H 38.77 713.01 FeSO4 286.23 C—C, C—H, C—N, C=O 724.84 Fe3O4 288.35 C—N, C=O MTOTB 710.86 Fe 9.68 O 1s SRB 529.72 Fe2O3 48.01 713.62 FeOOH 531.11 C=O 724.72 Fe3O4 532.50 Organic O S 2p SRB 161.20 FeS 5 MTOTB 529.58 FeOOH 46.25 162.02 FeS 531.08 SO42-, CO32- 163.30 FeS2 532.95 Organic O 164.50 Org-S N 1s SRB 399.87 C=N 3.01 167.90 SO42- 402.00 C=N MTOTB 163.9 C=S 1.16 MTOTB 398.30 C=N 4.14 168.54 SO42- 399.72 C-N, C=N, N-H 402.30 C=N (thiadiazole ring)