由花椒籽油制备缓蚀剂的缓蚀性能
Corrosion Inhibitor Synthesized from Zanthoxylum Bungeanum Seed Oil and Its Inhibition Performance
摘 要
以花椒籽油、二乙烯三胺和氯化苄为原料,经过酰胺化、环化和季铵化反应合成了咪唑啉季铵盐H.用失重法评价了H的缓蚀性能.研究结果表明,制备的缓蚀剂H在盐酸体系中对A20钢有很好的缓蚀效果,缓蚀效率为93.5%~98.5%,在60 ℃的4%的盐酸中,其使用浓度为50 mg/L时,A20钢的腐蚀速率仅为0.779 g/m2·h.
缓蚀剂
花椒籽油
合成
缓蚀效率
imidazoline
corrosion inhibitor
zanthoxylum bungeanum seed oil
synthesis
inhibition efficiency
Abstract
Using zanthoxylum bungeanum seed oil,diethylene triamine and benzyl chloride as raw materials,imidazoline quaternary ammonium salt(H) was synthesized through amidation,cyclization and quartemarization reactions.The anti-corrision property of inhibitor H was investigated by weight-loss method.The results indicated that inhibitor H could offer good corrosion inhibition for A20 steel,and its anti-corrosion efficiency could achieve 93.5%~98.5% in 4% HCl solution at 60 ℃.The corrosion rate of A20 steel was reduced to 0.779 g/m2·h with 50 mg/L inhibitor H in 4% HCl solution.
中图分类号 TG174.42
所属栏目 试验研究
基金项目
收稿日期 2009/1/4
修改稿日期 2009/1/24
网络出版日期
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引用该论文: MA Yang-min,NIU Zhen-ning,YANG Guang-zhi. Corrosion Inhibitor Synthesized from Zanthoxylum Bungeanum Seed Oil and Its Inhibition Performance[J]. Corrosion & Protection, 2010, 31(1): 22～23
被引情况:
【1】樊治海,张宏,尹成先,张涓涛,刘芳莉,王远, "桐油酸咪唑啉季铵盐的缓蚀性能",腐蚀与防护 33, 199-201(2012)
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参考文献
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【2】Perrin F X,Pagetti J.Characterization and mechanism of direct film formation on a Cu electrode through electro-oxidation of 2-Mercap-tobenzimidazole[J].Corrosion Science,1994,36(2):313-315.
【3】Tong Eak Pou,Stephane Fouquay.Sulphydryl acid and imidazoline salts as inhibitors of carbon corrosion of iron and ferrous metals[P].US:6395225,2002.
【4】王任芳,陈云,许林,等.咪唑啉类缓蚀剂的合成及其缓蚀性能评价[J].石油化工腐蚀与防护,2006,23(1):39-40.
【5】朱镭,于萍,罗运柏.咪唑啉缓蚀剂的研究与应用进展[J].材料保护,2003,36(12):4-7.
【6】马涛,张贵才,葛际江,等.改性咪唑啉缓蚀剂的合成与评价[J].石油与天然气化工,2004,33(5):359-361.
【7】芮玉兰,于静敏,路迈西,等.盐酸体系不锈钢缓蚀剂的开发[J].腐蚀与防护,2007,28(3):109-115.
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