两种新型曼尼希碱缓蚀剂的性能及吸附行为研究

吕祥鸿,张晔,闫亚丽,侯娟,李健,王晨

Performance Evaluation and Adsorption Behavior of Two New Mannich Base Corrosion Inhibitors

Xianghong LV,Ye ZHANG,Yali YAN,Juan HOU,Jian LI,Chen WANG

表2 P110钢在不同缓蚀剂溶液中的各阻抗参数

Table 2 Impedance parameters of P110 steel in different corrosion inhibitor solutions

Type of corrosion inhibitor	R_s / Ω·cm²	C_dl / F·cm^-2	R_t / Ω·cm²	R_L / Ω·cm²	L / kΩ·cm²	C_m / F·cm^-2	R_m / Ω·cm²	R_p / Ω·cm²
Blank	3.446	2.530×10^-4	31.43	312.7	107.3	2.078×10^-3	43.6	72.16
ZJ-1	3.294	1.996×10^-4	1421.99	---	---	2.327×10^-5	399.8	1821.79
ZJ-2	3.232	2.886×10^-4	456.20	---	---	2.322×10^-5	167.8	624