淀粉接枝共聚物对Zn的缓蚀性能

王亚婷, 王棵旭, 高鹏翔, 刘冉, 赵地顺, 翟建华, 屈冠伟

Inhibition for Zn Corrosion by Starch Grafted Copolymer

WANG Yating, WANG Kexu, GAO Pengxiang, LIU Ran, ZHAO Dishun, ZHAI Jianhua, QU Guanwei

表2 Zn在不同质量浓度St-g-PAM条件下的极化曲线参数

Table 2 Polarization curve parameters of zinc in 1.0 mol/L HCl solutions with different concentrations of St-g-PAM

c mg·L^-1	E_corr V	I_corr μA·cm^-2	-b_c V·dec^-1	b_a V·dec^-1	η %
0	-0.741	12.590	2.925	5.365	---
10	-0.731	2.564	5.585	8.335	79.63
20	-0.728	2.061	4.385	7.185	83.63
30	-0.725	1.614	3.650	5.190	87.18
40	-0.723	1.445	3.089	4.958	88.52
50	-0.722	0.992	4.215	6.075	92.16