合成了3种水杨醛类吡啶甲酰腙席夫碱化合物(L1、L2、L3).以失重法、电化学方法、扫描电镜和分子动力学模拟方法考察它们在海水中对低碳钢的缓蚀行为,探讨其缓蚀机理和吸附行为.结果表明,3种酰腙席夫碱属混合型缓蚀剂,在海水中均能有效的抑制碳钢的腐蚀.缓蚀能力的大小遵循L3＞L2＞L1,失重实验显示当L3浓度为2.8×10-4mol/L时,缓蚀率最大为87.8％.其在碳钢表面上的吸附符合Langmuir吸附等温式,是自发放热吸附过程,吸附机理为化学吸附,扫描电镜和分子动力学模拟结果也证明了3种酰腙席夫碱特别是L3可有效的抑制海水对低碳钢的腐蚀.
参考文献
| [1] | 李雅芙,陈向峰.浅谈海水化学资源综合利用生产工艺[J].无机盐工业,2006(04):11-12. |
| [2] | 黄昌硕,徐澎波.我国海水资源的利用模式与发展趋势[J].中国资源综合利用,2008(05):3-5. |
| [3] | 王丽荣,张树芳,庄晓娟,莎仁.海水中碳钢缓蚀剂的研究进展[J].内蒙古石油化工,2008(01):5-6. |
| [4] | R. I. Yurchenko;I. S. Pogrebova;T. N. Pilipenko;T. E. Shubina .Anticorrosive Properties of N-Acetylmethylpyridinium Bromides[J].Russian journal of applied chemistry,2006(7):1100-1104. |
| [5] | 吴文士,刘世雄,黄尊行.N-乙酰皮考林酰肼合铜的合成和晶体结构[J].分子科学学报,2003(01):40-46. |
| [6] | 王国瑞 .取代吡啶甲酰腙席夫碱的合成、表征及其缓蚀行为研究[D].桂林理工大学,2010. |
| [7] | ZHOU Jian-qi,王宏智,MA Qing-hua,YIN Jian-ping.海水管路黄铜焊接接头在人工海水中的电化学阻抗谱[J].腐蚀与防护,2007(08):403-406. |
| [8] | 王冀恒,谢春生,刘占超,周虎.高阻尼螺旋桨材料CuAlBe合金在人工海水中耐蚀性能的研究[J].华东船舶工业学院学报（自然科学版）,2004(05):75-77. |
| [9] | 王宏智,陈君,周建奇,姚素薇,张卫国.紫铜海水管焊接部位在人工海水中的腐蚀行为[J].化工学报,2006(11):2677-2681. |
| [10] | Li XH;Mu GN .Tween-40 as corrosion inhibitor for cold rolled steel in sulphuric acid: Weight loss study, electrochemical characterization, and AFM[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(5):1254-1265. |
| [11] | F. Bentiss;F. Gassama;D. Barbry;L. Gengembre;H. Vezin;M. Lagrenee;M. Traisnel .Enhanced corrosion resistance of mild steel in molar hydrochloric acid solution by 1,4-bis(2-pyridyl)-5H-pyridazino[4,5-b]indole: Electrochemical, theoretical and XPS studies[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(8):2684-2691. |
| [12] | 于辉,吴建华,钱建华,黄国胜,陈光章.一种海水缓蚀剂缓蚀行为的研究[J].中国腐蚀与防护学报,2003(05):295-298. |
| [13] | H. Amar;A. Tounsi;A. Makayssi;A. Derja;J. Benzakour;A. Outzourhit .Corrosion inhibition of Armco iron by 2-mercaptobenzimidazole in sodium chloride 3% media[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2007(7):2936-2945. |
| [14] | Morad MS .Corrosion inhibition of mild steel in sulfamic acid solution by S-containing amino acids[J].Journal of Applied Electrochemistry,2008(11):1509-1518. |
| [15] | Lei Han;Shizhe Song .A measurement system based on electrochemical frequency modulation technique for monitoring the early corrosion of mild steel in seawater[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2008(6):1551-1557. |
| [16] | Bentiss F;Bouanis A;Mernari B;Traisnel M;Vezin H;Lagrenee M .Understanding the adsorption of 4H-1,2,4-triazole derivatives on mild steel surface in molar hydrochloric acid[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2007(7):3696-3704. |
| [17] | Wang HL.;Fan HB.;Zheng HS. .Corrosion inhibition of mild steel in hydrochloric acid solution by a mercapto-triazole compound[J].Materials Chemistry and Physics,2003(3):655-661. |
| [18] | Hamdy H. Hassan .Inhibition of mild steel corrosion in hydrochloric acid solution by triazole derivatives, Part II: Time and temperature effects and thermodynamic treatments[J].Electrochimica Acta,2007(4):1722-1730. |
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