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2 极化曲线参数及缓蚀效率

Table 2 Polarization curve parameters and corrosion inhibition efficiency

Concentration / mmol·L^-1	$E_{c o r r}$ / $V$	$I_{c o r r}$ / mA·cm^-2	-b_c mV·dec^-1	b_a mV·dec^-1	η
0.00	-0.478	3.5410	143.76	150.26	/
0.20	-0.493	0.0827	147.95	158.05	97.66%
0.50	-0.484	0.0525	179.17	157.77	98.51%
1.00	-0.489	0.0332	201.65	145.53	99.06%
2.00	-0.493	0.0301	255.68	161.29	99.15%