樟树籽提取物与季铵盐复配后的缓蚀性能
Corrosion Inhibition of Cinnamomum Camphora Seed Extract Compounded with Quaternary Ammonium Salts
摘 要
采用电化学阻抗谱、极化曲线和失重法研究了樟树籽提取物与两种季铵盐AOBAB和DMMPAB复配后的协同作用。结果表明，25 ℃时，樟树籽提取物与0.001 mol/L AOBAB复配的缓蚀率最高为98.31%; 与0.001 mol/L DMMPAB复配的缓蚀率最高为98.65%。电化学法与失重法测得的结果基本一致，复配后缓蚀率有较大提高,且缓蚀率随提取物浓度的增加而升高。
季铵盐
复配
缓蚀率
cinnamomum camphora seed extract (CCSE)
quaternary ammonium salt
compound
inhibition efficiency
Abstract
The inhibition of cinnamomum camphora seed extract (CCSE) compounded with quaternary ammonium salts, AOBAB or DMMPAB, was studied by methods of weight loss, potentiodynamic polarization curves and electrochemical impendance spectroscopy (EIS). The maximum inhibition efficiency was up to 98.31% when CCSE was compounded with AOBAB of a concentration of 0.001 mol/L and 98.65% when CCSE was compounded with DMMPAB of a concentration of 0.001 mol/L at 25 ℃. The results of electrochemical methods and weight loss method were basically the same.The results showed that the inhibition efficiency increased after CCSE were compounded with quaternary ammonium salts, and it increased as the concentration of CCSE went up.
中图分类号 TG174.42
所属栏目 试验研究
基金项目 福建省社会发展重点项目(2012Y0018)
收稿日期 2013/12/23
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备注王瑛(1965-)，副研究员，硕士生导师，从事缓蚀剂研究，
引用该论文: YUE Shuai,ZHOU Peng,WEI Guo-sheng,LIU Fei,WANG Ying. Corrosion Inhibition of Cinnamomum Camphora Seed Extract Compounded with Quaternary Ammonium Salts[J]. Corrosion & Protection, 2014, 35(11): 1102
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参考文献
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【8】SHARMA S K,MUDHOO A,JAIN G,et al. Corrosion inhibition and adsorption properties of Azadirachta indica mature leaves extract as green inhibitor for mild steel in HNO3[J]. Green Chemistry Letters and Reviews,2010,3(1):7-15.
【9】HMAMOU D B,SALGHI R,ZARROUK A,et al. Corrosion inhibition of steel in 1 M hydrochloric acid medium by chamomile essential oils[J]. Int J Electrochem Sci,2012,7:2361-2373.
【10】HMAMOU D B,SALGHI R,BAZZI L,et al. Prickly pear seed oil extract:a novel green inhibitor for mild steel corrosion in 1 M HCl solution[J]. Int J Electrochem Sci,2012,7:1303-1318.
【11】OBOT I,EBENSO E,GASEM Z M. Eco-friendly corrosion inhibitors:Adsorption and inhibitive action of ethanol extracts of chlomolaena odorata for the corrosion of mild steel in H2SO4 solutions[J]. Int J Electrochem Sci,2012,7:1997-2008.
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【16】田兴玲,马清林. 有机缓蚀剂和无机阴离子缓蚀协同效应研究和在钢铁方面的应用[J]. 全面腐蚀控制,2008,22(3):21-24.
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