[1]李小龙,张军平,任永峰,等.两种金属化合物对喹啉季铵盐缓蚀性能的影响[J].焊管,2017,40(8):8-11.[doi:10.19291/j.cnki.1001-3938.2017.08.002]
 LI Xiaolong,ZHANG Junping,REN Yongfeng,et al.Influence of Two Kinds of Metal Compounds on Corrosion Inhibition Performance of Quinolone Quaternary Ammonium Salt[J].,2017,40(8):8-11.[doi:10.19291/j.cnki.1001-3938.2017.08.002]
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两种金属化合物对喹啉季铵盐缓蚀性能的影响
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
40
期数:
2017年第8期
页码:
8-11
栏目:
试验与研究
出版日期:
2017-08-28

文章信息/Info

Title:
Influence of Two Kinds of Metal Compounds on Corrosion Inhibition Performance of
Quinolone Quaternary Ammonium Salt
文章编号:
10.19291/j.cnki.1001-3938.2017.08.002
作者:
李小龙12张军平3任永峰12晁利宁12苑清英12
1. 国家石油天然气管材工程技术研究中心, 陕西 宝鸡 721008;
2. 宝鸡石油钢管有限责任公司 钢管研究院, 陕西 宝鸡 721008;
3. 西北工业大学 理学院应用化学系, 西安 710129
Author(s):
LI Xiaolong12 ZHANG Junping3 REN Yongfeng12 CHAO Lining12 YUAN Qingying12
1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;
2. Steel Pipe Research Institute, Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China;
3. Department of Applied Chemistry, School of Natural and Applied Sciences, Northwestern Polytechnical University, Xi’an 710129, China
关键词:
喹啉季铵盐Al2O3Al2O3+CuCl2缓蚀剂复配
Keywords:
quinolone quaternary ammonium saltAl2O3Al2O3+CuCl2corrosion inhibitioncompound
分类号:
TG174.42
DOI:
10.19291/j.cnki.1001-3938.2017.08.002
文献标志码:
A
摘要:
为了提高喹啉季铵盐对N80钢的缓蚀性能,采用静态失重法和动电位极化曲线法,研究了在90 ℃、15%HCl溶液中添加Al2O3及Al2O3+CuCl2对喹啉季铵盐缓蚀性能的影响。试验结果显示,160 ℃温度下合成的喹啉季铵盐缓蚀效果较差,不能满足SY/T 5405—1996中的一级指标要求;Al2O3的加入能有效提高喹啉季铵盐对N80钢的缓蚀效果,并且能大大降低喹啉季铵盐的用量;Al2O3+CuCl2和喹啉季铵盐复配后,能更大程度上提高喹啉季铵盐的缓蚀效果,缓蚀性能明显好于Al2O3与喹啉季铵盐形成的复配缓蚀剂。结果表明,喹啉季铵盐能与金属离子形成较为稳定的螯合物,螯合物通过化学作用吸附在挂片表面形成一层致密的铜膜,阻止了腐蚀离子向金属表面移动,从而表现出较好的缓蚀效果。
Abstract:
In order to increase the corrosion inhibition performance of quinolone quaternary ammonium salt on N80 steel, the effect of Al2O3 and Al2O3+CuCl addition on the corrosion inhibition performance of quinoline quaternary ammonium salt in 15%HCl solution at 90 ℃was investigated, by using static weight loss method and polarization curve method. Test results showed that synthesis of quinoline quaternary ammonium salt corrosion inhibition effect at 160 ℃ is poorer, cannot meet the highest level requirement of SY/T 5405—1996 standard; the addition of Al2O3 can effectively enhance the corrosion inhibition effect of quinoline quaternary ammonium salt for N80 steel, and it can greatly reduce the dosage of quinoline quaternary ammonium salt; the compound of Al2O3+CuCl2 and quinoline quaternary ammonium salt can enhance the corrosion inhibition effect of quinoline quaternary ammonium salt to a greater extent, which is obviously better than that of the complex inhibitor from Al2O3 and quinoline quaternary ammonium salt. The results indicated that quinoline quaternary ammonium salt and metal ion can form stable chelates, the chelates is adsorbed by chemical action to form a dense copper film on the hanging surface, which prevents the corrosion ion from moving to the metal surface, thus showing a better corrosion inhibition effect.

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相似文献/References:

[1]李小龙,等.一种新型复配酸化缓蚀剂对N80钢缓蚀性能的影响[J].焊管,2016,39(6):5.[doi:10.19291/j.cnki.1001-3938.2016.06.002]
 LI Xiaolong,ZHANG Junping,BI Zongyue,et al.Influence of the Corrosion Inhibition Performance of a New Composite Acidizing Corrosion Inhibitor to N80 Steel[J].,2016,39(8):5.[doi:10.19291/j.cnki.1001-3938.2016.06.002]

备注/Memo

备注/Memo:
收稿日期:2017-05-08
基金项目:国家科技支撑计划“高强度耐蚀石油天然气集输与输送用管线钢生产技术”(项目号2011BAE25B03)。
作者简介:李小龙(1988—),男,硕士,工程师,主要从事石油管材新产品开发及腐蚀与防护研究。
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