双咪唑啉基硼酸酯衍生物的合成及其缓蚀行为
Synthesis and Inhibition Performance of Novel Bis-imidazolinyl Borate Derivatives
摘 要
以双甘油酸硼酸酯（DGB）和乙二胺、β-羟乙基乙二胺或二乙烯三胺为原料，合成了三种双咪唑啉基硼酸酯衍生物（a、b、c）；利用浸泡法、电化学法和SEM研究了3种产物在盐酸酸洗液中对Q235碳钢的缓蚀作用。结果表明：在60℃ 5% HCl酸洗液中，当缓蚀剂加入量为100 mg/L，腐蚀时间为6 h时，三种缓蚀剂的缓蚀率均大于97%；缓蚀剂在金属表面的吸附属于化学吸附且为自发进行，吸附曲线均满足Langmiur吸附等温式；随缓蚀剂浓度的增大，电化学阻抗容抗弧的直径和电荷转移电阻均增大。
甘油酸
硼酸酯
缓蚀剂
电化学阻抗谱
酸腐蚀
imidazoline
glyceric acid
borate
corrosion inhibitor
EIS
acid corrosion
Abstract
Bis-imidazolinyl borate derivatives (a, b, c) were synthesized with diglyceric acid borate (DGB) and ethylenediamine or diethylenetriamine or β-hydroxyethyl ethylenediamine as raw materials. Corrosion inhibition of above three corrosion inhibitors to Q235 carbon steel in 5% HCl pickling solution were studied using SEM, static weight loss method, and electrochemical methods. The results showed that under the conditions of adding 100 mg/L inhibitors and 6 h immersion time, the corrosion inhibition rates were more than 97% to Q235 carbon steel in 60 ℃, 5% HCl. The adsorption followed the Langmuir adsorption isotherm and was a spontaneous chemical nature. The charge transfer resistance and the arc diameter of EIS increased significantly as the concentration of corrosion inhibitor increased.
中图分类号 TG174.4 DOI 10.11973/fsyfh-202007004
所属栏目 绿色缓蚀剂
基金项目 广东省科技计划（2016A020221035）
收稿日期 2019/4/15
修改稿日期
网络出版日期
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联系人作者袁斌(gdyb1960@126.com)
引用该论文: Lü Song,JIA Qunpo,HE Guanning,YUAN Bin. Synthesis and Inhibition Performance of Novel Bis-imidazolinyl Borate Derivatives[J]. Corrosion & Protection, 2020, 41(7): 25
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参考文献
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【2】HE X K,JIANG Y M,LI C,et al. Inhibition properties and adsorption behavior of imidazole and 2-phenyl-2-imidazoline on AA5052 in 1.0 M HCl solution[J]. Corrosion Science,2014,83:124-136.
【3】徐平,石顺存. 环烷酸咪唑啉硼酸酯的合成及缓蚀性能研究[J]. 湖南科技大学学报(自然科学版),2010,25(4):97-100.
【4】温福山,杜永霞,张涵,等. 双咪唑啉缓蚀剂的缓蚀性能评价[J]. 腐蚀与防护,2019,40(2):92-100.
【5】OKAFOR P C,ZHENG Y G. Synergistic inhibition behaviour of methylbenzyl quaternary imidazoline derivative and iodide ions on mild steel in H2SO4 solutions[J]. Corrosion Science 2009,51:850-859.
【6】LI Y Z,XU N,GUO X P,et al. Inhibition effect of imidazoline inhibitor on the crevice corrosion of N80 carbon steel in the CO2-saturated NaCl solution containing acetic acid[J]. Corrosion Science,2017,126:127-141.
【7】ZHANG H H,GAO K W,YAN L C,et al. Inhibition of the corrosion of X70 and Q235 steel in CO2-saturated brine by imidazoline-based inhibitor[J]. Journal of Electroanalytical Chemistry,2017,791:83-94.
【8】IVANA J V,MARC S,SRDAN N,et al. Inhibition properties of self-assembled corrosion inhibitor talloil diethylenetriamine imidazoline for mild steel corrosion in chloride solution saturated with carbon dioxide[J]. Corrosion Science,2013,77:265-272.
【9】MOHAMMED W S J,OWEIMREEN G A,SHAIKH A A. Heptadecyl-tailed mono and bis-imidazolines:A study of the newly synthesized compounds on the inhibition of mild steel corrosion in a carbon dioxide-saturated saline medium[J]. Corrosion Science,2012,65:104-112.
【10】刘建国,高歌,徐亚洲,等. 咪唑啉类衍生物缓蚀性能研究[J]. 中国腐蚀与防护学报,2018,38(6):523-532.
【11】LIU H W,GU T Y,ZHANG G,et al. Corrosion inhibition of carbon steel in CO2-containing oilfield produced water in the presence of iron-oxidizing bacteria and inhibitors[J]. Corrosion Science,2016,105:149-160.
【12】NAM N D,BUI Q V,MATHESH M,et al. A study of 4-carboxyphenylboronic acid as a corrosion inhibitor for steel in carbon dioxide containing environments[J]. Corrosion Science,2013,76:257-266.
【13】吴超,夏明桂,肖玲君,等. 地沟油制备咪唑啉缓蚀剂及缓蚀性能研究[J]. 武汉纺织大学学报,2012,25(6):55-59.
【14】HAN P,CHEN C F,YU H B,et al. Study of pitting corrosion of L245 steel in H2S environments induced by imidazoline quaternary ammonium salts[J]. Corrosion Science 2016,112:128-137.
【15】张世红,刘绍君,朱忠祥,等. 柚子皮有效成分的提取及其缓蚀性能研究[J]. 精细与专用化学品,2017,25(1):27-32.
【16】蒋伟,龚敏,赵金平. 天然植物绿色缓蚀剂的研究进展[J]. 腐蚀科学与防护技术,2007,19(4):278-281.
【17】贾群坡,袁斌,吕松,等. 双咪唑基乙二醇硼酸酯衍生物的合成与表征[J]. 化学试剂,2019,41(12):1322-1326.
【18】GBT 25147-2010. 工业设备化学清洗中金属腐蚀速率及腐蚀总量的测试方法重量法[S].
【19】雍厚辉,杨文忠. N,N'-二(4-羟基苄叉)乙二胺双希夫碱在HCl溶液中对5052铝合金的缓蚀作用[J]. 腐蚀与防护,2017,38(12):919-923.
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