滇润楠叶提取物在H2SO4中对钢的缓蚀作用
Corrosion Inhibition of Machilus Yunnanensis Leaves Extract for Steel in H2SO4 Solution
摘 要
滇润楠(Machilus yunnanensis)叶的提取物(简称为MYLE)可作为“绿色”缓蚀剂。用失重法、动电位极化曲线和电化学阻抗谱(EIS)研究了MYLE在0.5 mol/L H2SO4中对冷轧钢的缓蚀作用。结果表明, MYLE对冷轧钢具有良好的缓蚀作用, 且在钢表面的吸附符合Langmuir吸附校正模型; MYLE为混合抑制型缓蚀剂; EIS谱在高频区呈容抗弧, 在低频区出现感抗弧, 电荷转移电阻随缓蚀剂浓度的增加而增大。
硫酸
滇润楠
缓蚀
吸附
提取物
steel
sulfuric acid
machilus yunnanensis
inhibition
adsorption
extract
Abstract
Machilus yunnanensis leaves extract (MYLE) is a kind of “green” inhibitor. The inhibition of MYLE on the corrosion of cold rolled steel (CRS) in 0.5 mol/L H2SO4 was studied by means of weight loss method, polarization curves and electrochemical impedance spectroscopy (EIS). The results show that the MYLE is a good inhibitor in sulfuric acid for CRS, and the adsorption of MYLE on the CRS surface obeys modified Langmuir adsorption isotherm equation. Polarization curves show that MYLE is a mixed-type inhibitor. EIS exhibited one capacitive loop at high frequencies and followed by a small inductive loop at low frequencies, and the charge transfer resistance increased with the increase of the inhibitor concentration.
中图分类号 TG174.42
所属栏目 试验研究
基金项目 西南林业大学林产化工加工工程校级重点学科建设项目(XKX200907)
收稿日期 2010/6/15
修改稿日期 2010/7/19
网络出版日期
作者单位点击查看
备注邓书端, 硕士, 讲师,
引用该论文: DENG Shu-duan,LI Xiang-hong,FU Hui,SUN You-li. Corrosion Inhibition of Machilus Yunnanensis Leaves Extract for Steel in H2SO4 Solution[J]. Corrosion & Protection, 2011, 32(5): 359
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参考文献
【1】Li X H, Deng S D, Fu H, et al. Adsorption and inhibition effect of 6-benzylaminopurine on cold rolled steel in 1.0 M HCl[J]. Electrochimica Acta, 2009, 54(16):4089-4098.
【2】Rajia P B, Sethuraman M G. Natural products as corrosion inhibitor for metals in corrosive media——A review[J]. Materials Letters, 2008, 62(1):113-116.
【3】邓书端, 李向红, 付惠, 等. 滇润楠叶提取物在盐酸中对钢的缓蚀性能研究[J]. 林产化学与工业, 2009, 29(增刊): 117-120.
【4】木冠南, 李向红, 屈庆, 等. 稀土铈(IV)离子和钼酸钠在盐酸溶液中对冷轧钢的缓蚀协同作用[J]. 化学学报, 2004, 62(24): 2386-2390.
【5】Vonopen B, Kordel W, Klein W. Sorption of nonpolar and polar compounds to soils:processes, measurement and experience with the applicability of the modified OECD-guideline[J]. Chemosphere, 1991, 22(3/4):285-304.
【6】曹楚南. 腐蚀电化学原理(第二版)[M]. 北京: 化学工业出版社, 2004.
【7】Lebrini M, Lagrenee M, Vezin H, et al. Experimental and theoretical study for corrosion inhibition of mild steel in normal hydrochloric acid solution by some new macrocyclic polyether compounds[J]. Corrosion Science, 2007, 49(5):2254-2269.
【8】Lagrenee M, Mernari B, Bouanis M, et al. Study of the mechanism and inhibiting efficiency of 3, 5-bis(4-methylethiophenyl)-4H-1, 2, 4-triazole on mild steel corrosion in acidic media[J]. Corrosion Science, 2002, 44(3):573-588.
【9】Singh A K, Quraishi M A. Effect of cafazolin on the corrosion of mild steel in HCl solution[J]. Corrosion Science, 2010, 52(1):152-160.
【2】Rajia P B, Sethuraman M G. Natural products as corrosion inhibitor for metals in corrosive media——A review[J]. Materials Letters, 2008, 62(1):113-116.
【3】邓书端, 李向红, 付惠, 等. 滇润楠叶提取物在盐酸中对钢的缓蚀性能研究[J]. 林产化学与工业, 2009, 29(增刊): 117-120.
【4】木冠南, 李向红, 屈庆, 等. 稀土铈(IV)离子和钼酸钠在盐酸溶液中对冷轧钢的缓蚀协同作用[J]. 化学学报, 2004, 62(24): 2386-2390.
【5】Vonopen B, Kordel W, Klein W. Sorption of nonpolar and polar compounds to soils:processes, measurement and experience with the applicability of the modified OECD-guideline[J]. Chemosphere, 1991, 22(3/4):285-304.
【6】曹楚南. 腐蚀电化学原理(第二版)[M]. 北京: 化学工业出版社, 2004.
【7】Lebrini M, Lagrenee M, Vezin H, et al. Experimental and theoretical study for corrosion inhibition of mild steel in normal hydrochloric acid solution by some new macrocyclic polyether compounds[J]. Corrosion Science, 2007, 49(5):2254-2269.
【8】Lagrenee M, Mernari B, Bouanis M, et al. Study of the mechanism and inhibiting efficiency of 3, 5-bis(4-methylethiophenyl)-4H-1, 2, 4-triazole on mild steel corrosion in acidic media[J]. Corrosion Science, 2002, 44(3):573-588.
【9】Singh A K, Quraishi M A. Effect of cafazolin on the corrosion of mild steel in HCl solution[J]. Corrosion Science, 2010, 52(1):152-160.
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