一种环保型缓蚀剂利拉利汀对紫铜在硫酸中的缓蚀机理研究

董红梅, 李宝毅, 冉博元, 王琦, 牛宇岚, 丁莉峰, 强玉杰

Corrosion Inhibition Mechanism of the Eco-friendly Corrosion Inhibitor Linagliptin on Copper in Sulfuric Acid

DONG Hongmei, LI Baoyi, RAN Boyuan, WANG Qi, NIU Yulan, DING Lifeng, QIANG Yujie

表2 不同缓蚀剂对Cu在0.5 mol/L硫酸溶液中的缓蚀性能

Table 2 Inhibition efficiency of different corrosion inhibitors on Cu in 0.5 mol/L H2SO4 solution

Material Concentration mmol/L Inhibition efficiency Ref. DFD 5 98.9% [19] IMPs 2 97.5% [20] DI-SAMs 5 80.7% [21] AMB 3 90.3% [22] LNLP 1 99.9% This work