通过挂片法、电化学极化曲线、扫描电镜（SEM）、电子能谱（EDS）等分析方法，研究一种咪唑啉衍生物缓蚀剂CI-03在H2S／CO2饱和3％NaCl溶液的腐蚀体系中对碳钢的缓蚀作用及其吸附模型。结果表明，缓蚀剂CI-03是一种以阳极型为主的混合型缓蚀剂，对腐蚀体系中碳钢具有良好的缓蚀作用；其在碳钢表面的吸附遵循Langmuir吸附等温式。
The inhibition performance of an imidazoline derivative inhibitor for carbon steel in CO2/H2S saturated 5% NaCl solution at 60 ℃ was investigated by potentiodynamic polarization and weight loss measurements, and the surface analysis of carbon steel was performed by SEM and EDS. Results showed that the inhibitor CI-03, acting as an anodic-type inhibitor, could inhibit the corrosion of carbon steel in simulation solution significantly. Its adsorption on the metal surface obeys Langmuir adsorption isotherm. The inhibitor could form a product film on the metal surface by adsorption, which brought on high protection performance for carbon steel.
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