一种基于MOFs与BTA的纳米缓蚀胶囊对铜的缓蚀行为研究

连宇博, 张庆祝, 韩创辉, 李文娟, 翁华涛, 蒋伟

Inhibition Behavior of a Nano-corrosion Inhibitor Capsule Prepared from MOFs and BTA for Copper

LIAN Yubo, ZHANG Qingzhu, HAN Chuanghui, LI Wenjuan, WENG Huatao, JIANG Wei

表2 纯铜在3.5% NaCl溶液中电化学阻抗谱拟合参数

Table 2 Fitting electrochemical parameters of EIS of Cu in 3.5%NaCl solutions without and with BTA

Sample Rct / Ω·cm2 Cdl Rf / Ω·cm2 Cf η / % Y01 / Sn ·Ω-1·cm-2 n1 Y02 / Sn ·Ω-1·cm-2 n2 Blank 172.3 33.85×10-6 0.8397 0.32×104 54.81×10-5 0.4253 --- MOF-5 52.74 10.08×10-6 0.7673 0.59×104 151.6×10-5 0.4314 --- @-1 h 3515 5.823×10-6 0.8558 1.36×104 2.372×10-5 0.4962 80.5 @-2 h 3554 5.301×10-6 0.8565 1.68×104 2.085×10-5 0.5129 83.4 @-3 h 3710 4.958×10-6 0.8534 2.19×104 2.039×10-5 0.4824 87.0 @-4 h 4678 4.659×10-6 0.8527 2.40×104 1.751×10-5 0.5171 88.4 @-5 h 5486 4.441×10-6 0.8507 2.62×104 1.452×10-5 0.5454 89.5 @-6 h 6095 4.076×10-6 0.8537 2.89×104 1.263×10-5 0.569 90.5