三种铜缓蚀剂抗H2S腐蚀性能研究

摘要

研究了BTA，MBI，MBT等3种铜缓蚀剂在H2S环境中的缓蚀性能，采用量子化学研究方法对实验结果进行了分析，研究了苯三唑在铜表面所形成的配合物保护膜的稳定性。结果表明，MBT抗H2S腐蚀性能较差，BTA是铜及其合金在H2S环境中理想的接触缓蚀剂和气相缓蚀剂。%The existence of H2S in environment is one of the factors causing discoloration of Cu. The inhibition of BTA, MBI, MBT, and the stability of BTA -Cu protection layer in H2S atmosphere were investigated. The experimental results were analyzed by quantum chemistry calculation method. Results indicated that BTA is a perfect corrosion inhibitor for Cu in H2S environment while the performance of MBT is discontented.