糖基季铵盐双子表面活性剂的缓蚀性能
Inhibition Performance of Sugar-based Cationic Gemini Surfactants
摘 要
由葡萄糖和十四烷基二甲基叔胺合成的糖基季铵盐双子表面活性剂(C14-GDQ) 作为缓蚀剂,用静态失重法研究了该表面活性剂在1 mol/L盐酸溶液中对Q235钢的缓蚀作用.结果表明,在1 mol/L盐酸溶液中C14-GDQ对Q235钢具有良好的缓蚀作用,缓蚀率随缓蚀剂浓度的增加而增大,当缓蚀剂质量浓度达到0.1 mmol/L时缓蚀率趋于稳定.通过吸附理论、动力学和热力学公式得到相应的参数,并讨论了缓蚀作用机理.
Q235钢
缓蚀
糖基季铵盐双子表面活性剂
surfactant
Q235 steel
inhibition
sugar-based cationic gemini surfactant
Abstract
A sugar-based cationic gemini surfactant (C14-GDQ) was synthesized with glucose and N,N-dimethyldodecylamine as raw materials.The inhibition effect of the C14-GDQ on the corrosion of Q235 steel in 1 mol /L HCl solution was studied by mass loss method.The results showed that C14-GDQ was a good inhibitor in 1 mol/L HCl.Its inhibition efficiency increased with increasing C14-GDQ concentration,and inhibition efficiency became constant approximately when its concentration was higher than 0.1 mmol/L.The experimental data were treated with adsorption theory,kinetics and thermodynamics equations.Both the thermodynamic and kinetic parameters were obtained.
中图分类号 TG174.42
所属栏目 缓蚀剂专题
基金项目 国家十二五科技支撑计划(2013BAC01B04)
收稿日期 2014/6/15
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备注王军(1961-),教授,硕士,从事表面活性剂的合成和应用.
引用该论文: WANG Jun,CHEN Yu-fei,LI Ni-ni,YANG Xu-zhao,ZOU Wen-yuan. Inhibition Performance of Sugar-based Cationic Gemini Surfactants[J]. Corrosion & Protection, 2015, 36(2): 144
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【4】李俊,赵景茂.Gemini表面活性剂作为金属缓蚀剂的研究进展[J].腐蚀与防护,2011,32(7):543-547.
【5】GB/T 18175-2000水处理剂缓蚀性能的测定-旋转挂片法[S].
【6】MOBIN M,KHAN M A.Investigation on the adsorption and corrosion inhibition behavior of gum acacia and synergistic surfactants additives on mild steel in 0.1M H2SO4[J].Journal of Dispersion Science and Technology,2013,34(11):1496-1506.
【7】OGUZIE E E,OKOLUE B N,EBENSO E E.Evaluation of the inhibitory effect of methylene blue dye on the corrosion of aluminium in hydrochloric acid[J].Materials Chemistry Physics,2004,87(2/3):394-401.
【8】DEYAB M A.Effect of cationic surfactant and inorganic anions on the electro-chemical behavior of carbon steel in formation water[J].Corrosion Science,2007,49:2315-2319.
【9】LI X H,DENG S D,MU G N,et al.Inhibition effect of nonionic surfactant on the corrosion of cold rolled steel in hydrochloric acid[J].Corrosion Science,2008,50:420-430.
【10】MU G N,LI X MIN,LI F.Synergistic inhibition between o-phenanthroline and chloride ion on cold rolled steel corrosion inphosphoric acid[J].Materials Chemistry Physics,2004,86:59-68.
【11】TANG L B,MU G N,LIU G G.The effect of neutral red on the corrosion inhibition of cold rolled steel in 1.0 M hydrochloric acid[J].Corrosion Science,2003,45(10):2251-2262.
【12】ATEYA B G,EI-ANADOULI B E,EI-NIAZMY F M.The adsorption of thiourea on mild steel[J].Corrosion Science,1984,24(6):509-515.
【13】FUCHS-GODEC R.The adsorption,CMC determination and corrosion inhibition of some N-alkyl quaternary ammonium salts on carbon steel surface in 2M H2SO4[J].Corrosion Science,2006,280:130-139.
【14】FERREIRA E S,GIACOMELLI C,GIACOMELLI F C,et al.Evaluation of the inhibitor effectof L-ascorbic acid on the corrosion of mild steel[J].Materials Chemistry and Physics 2004,83(1):129-134.
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