新型高效咪唑希夫碱缓蚀剂对<strong>Q235</strong>钢在<strong>1 mol/L HCl</strong>溶液中的缓蚀作用

新型高效咪唑希夫碱缓蚀剂对Q235钢在1 mol/L HCl溶液中的缓蚀作用

王鹏杰, 宋昱灏, 樊林, 邓宽海, 李忠慧, 梅宗斌, 郭雷, 林元华

Inhibition of Q235 Steel in 1 mol/L HCl Solution by a New Efficient Imidazolium Schiff Base Corrosion Inhibitor

WANG Pengjie, SONG Yuhao, FAN Lin, DENG Kuanhai, LI Zhonghui, MEI Zongbin, GUO Lei, LIN Yuanhua

表1 Q235钢在MIX不同缓蚀溶液中EIS参数

Table 1 EIS parameters of Q235 steel in different MIX corrosion inhibition solutions

C mmol/L	R_s Ω·cm²	Y_{0, f}× 10^-5 Ω^-1·cm^-2·sⁿ	n_f	C_f μF·cm²	R_f Ω·cm²	Y_{0, rct}× 10^-5 Ω^-1·cm^-2·sⁿ	n_rct	C_dl μF·cm²	R_ct Ω·cm²	$χ^{2}$	η_p
0.00	8.59	2.45	0.99	10.37	1.48	12.46	0.81	33.32	17.14	0.0015	/
0.20	1.10	4.915	0.80	9.47	73.3	11.21	0.80	21.52	267.8	0.0047	92.04%
0.50	1.41	15.26	0.79	7.87	411.1	3.66	0.74	18.72	76.84	0.0051	94.44%
1.00	2.71	8.78	0.76	5.61	83.85	17.91	0.70	11.91	696.3	0.0038	96.52%
2.00	2.46	19.45	0.72	3.67	790.3	8.44	0.71	8.32	95.37	0.0056	96.93%