Performance of a Kind of Self-made Imidazoline Derivative Corrosion Inhibitor Preparaed from Swill-cooked Dirty Oil
摘 要
以食物废油、对羟基二苯胺和三乙胺为原料得到咪唑啉中间体,用苯丙乳液、偶联剂和消泡剂等对其进行改性,得到稳定的咪唑啉衍生物缓蚀剂。采用红外光谱法对该咪唑啉缓蚀剂进行了分析,采用静态失重法、电化学法和扫描电子显微镜研究了其对J55钢的缓蚀行为,并探讨了其在J55钢表面的吸附行为。结果表明,该缓蚀剂为阳离子型缓蚀剂,当其质量浓度为500 mg/L时,在试验溶液中对J55钢的缓蚀率达到87.97%,且吸附满足Langmuir等温吸附方程。
Abstract
An imidazoline intermediate was obtained using swill-cooked dirty oil, p-hydroxy diphenylamine and triethylamine as raw materials, and a stable imidazoline derivative corrosion inhibitor was obtained by modificaiton using styrene-acrylic emulsion, coupling agents and defoamers. FTIR was used to characterize the inhibitor, and corrosion inhibition for J55 steel was investigated by static weight loss method, electrochemical methods and SEM, and the adsorption behavior of the inhibitor on surface of J55 steel was also discussed. The results indicate that it is a cationic corrosion inhibitor, the inhibition efficiency of the inhibitor on J55 steel was up to 87.97% when 500 mg/L was added in the test solution. The inhibitor can be described by Langmuir isotherm equation.
中图分类号 TG174.4 DOI 10.11973/fsyfh-201701009
所属栏目 试验研究
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收稿日期 2015/8/20
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引用该论文: LI Gang,SONG Qun-hua,WANG Xiao-jun,JIANG Xuan-tao,JING Jia-qiang,DU Lei. Performance of a Kind of Self-made Imidazoline Derivative Corrosion Inhibitor Preparaed from Swill-cooked Dirty Oil[J]. Corrosion & Protection, 2017, 38(1): 40
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参考文献
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【3】曹楚南. 中国材料的自然环境腐蚀[M]. 北京:化学工业出版社,2005.
【4】汪荣荣. 基于三维荧光光谱技术与动态光散射技术的地沟油检测研究[D]. 重庆:重庆大学,2013:1-2.
【5】顾伟钢,张进杰,姚燕佳,等. 红烧肉制作过程中脂肪氧化和脂肪酸组成的变化[J]. 食品科学,2011,32(17):76-80.
【6】GB/T 6324.1-2004有机化工产品试验方法[S].
【7】SY/T 5273-2000油田采出水用缓蚀剂性能评价方法[S].
【8】江依义. 酸化缓蚀剂的合成及其缓蚀性能研究[D]. 杭州:浙江大学,2013:24.
【9】黄金营,魏慧芳,张利嫱,等. 咪唑啉油酰胺的合成及在油气井产出液中的缓蚀性能[J]. 油田化学,2004,21(3):230-233.
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【11】赵昀. 咪唑啉型缓蚀剂的合成及其缓蚀行为研究[D]. 北京:北京化工大学,2006:43-44.
【12】BENEDETI A V,SUMODJO P T A,NOBE K,et al. Electrochemical studies of copper,copper-aluminium and copper-aluminium-silver alloys:impedance results in 0.5 M NaCl[J]. Electrochimica Acta,1995,40(16):2657-2668.
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