含H_2S喷气燃料中噻二唑衍生物对银片缓蚀性能的研究  

Study on Corrosion Inhibitor of Thiadiazole Derivative on Silver Strip in Jet Fuel Containing Hydrogen Sulfide

作　　者：刘琳[1] 潘晓娜[1] 刘璐[1] 邢锦娟[1] 

机构地区：[1]渤海大学辽宁省功能化合物的合成及应用辽宁省重点实验室,锦州121013

出　　处：《材料导报》2014年第4期51-53,共3页Materials Reports

基　　金：国家自然科学基金(21176030);辽宁省优秀人才支持计划项目(LR2011033)

摘　　要：对未添加和添加25μg/g二硫代噻二唑衍生物的喷气燃料油样进行了银片腐蚀实验研究。通过采用失重法和金相显微镜技术,考察不同浓度的二硫代噻二唑衍生物在含有硫化氢油品中对银片的缓蚀效果,结果表明,二硫代噻二唑衍生物的浓度为25μg/g时,缓蚀效率高达95.09%。通过吸附热力学实验,表明二硫代噻二唑衍生物的吸附符合Langmuir吸附等温方程,且它在银片表面的吸附属于化学吸附。The corrosion test of silver strip in jet fuel without and with 25 μg/g dithio-thiadiazole derivative conducted research. The inhibitive behavior of different concentrations of dithio-thiadiazole derivative against the cor- rosion of silver strip in solution of H2 S environments of simulation the jet fuel, has been studied by the method of cor- rosion-inhibiting test and metallographic microscopy. The results indicated that the dithio-thiadiazole derivative is a wonderful corrosion inhibitor and the most effective concentration of inhibitor is 25 μ/g, when the effective inhibition can reach to 95. 09%. Adsorption of the inhibitor on the Ag surface obeyed the Langmuir adsorption isotherm, and the adsorption of this inhibitor belongs to chemisorption.

关 键 词：银片腐蚀实验 二硫代噻二唑衍生物 缓蚀剂 吸附等温方程 

分 类 号：TQ252.5[化学工程—有机化工]