流速和碳链长度对咪唑啉衍生物在高压CO2环境中缓蚀性能的影响

赵桐, 赵景茂, 姜瑞景

Effect of Flow Velocity and Carbon Chain Length on Corrosion Inhibition Performance of Imidazoline Derivates in High Pressure CO2 Environment

ZHAO Tong, ZHAO Jingmao, JIANG Ruijing

表1 吸附了不同碳链链长的咪唑啉衍生物后N80碳钢表面的接触角平均值

Table 1 Contact angles of carbon steel adsorbed by imidazoline derivates with different carbon lengths

Corrosion inhibitor Average values of contact angle / deg 50 mg/L 100 mg/L 200 mg/L Blank 21.3 21.3 21.3 IM-5 27.5 38.6 49.0 IM-9 35.8 59.8 73.0 IM-13 50.0 69.3 82.3 IM-17 66.9 79.2 90.3 IM-21 80.5 87.8 96.2 IM-17D 66.3 76.9 80.1 IM-21D 80.1 87.5 93.2