[1]樊 林,王鹏杰 *,宋昱灏,等.N，N’-亚甲基双丙烯酰胺与OP-10对Q235钢在1 mol/L HCl中的缓蚀作用[J].电镀与精饰,2024,(7):49-57.[doi:10.3969/j.issn.1001-3849.2024.07.008]
　Fan Lin,Wang Pengjie*,Song Yuhao,et al.Corrosion inhibition of N N’-methylene bisacrylamide and OP-10 on Q235 steel in 1 mol/L HCl[J].Plating & Finishing,2024,(7):49-57.[doi:10.3969/j.issn.1001-3849.2024.07.008]
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N，N’-亚甲基双丙烯酰胺与OP-10对Q235钢在1 mol/L HCl中的缓蚀作用
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《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2024年7
页码:
49-57
栏目:
出版日期:
2024-07-15

文章信息/Info

Title:
Corrosion inhibition of N N’-methylene bisacrylamide and OP-10 on Q235 steel in 1 mol/L HCl
作者:
（1.西南石油大学 油气藏地质及开发工程国家重点实验室，四川 成都 610500； 2.西南石油大学 新能源与材料学院，四川 成都 610500； 3.华宇钻采装备有限公司，四川 泸州 646000）
Author(s):
（1.State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering， Southwest Petroleum University， Chengdu 610500， China； 2.School of New Energy and Materials， Southwest Petroleum University， Chengdu 610500， China； 3.Huayu Drilling and Production Equipment Co.， Ltd.， Luzhou 646000， China）
关键词:
N’N- 亚甲基双丙烯酰胺;  OP-10 ; 电化学; 失重实验; 缓蚀性能; 量子化学
Keywords:
N ;  N’-methylene bisacrylamide ;  OP-10 ;  electrochemistry ;  weight loss experiment ;  corrosion inhibition performance ;  quantum chemistry
DOI:
10.3969/j.issn.1001-3849.2024.07.008
摘要:
针对在酸洗工况下金属的腐蚀问题，为解决单一缓蚀剂的成本高、效率低的问题，在 N ， N’ - 亚甲基双丙烯酰胺（ NN ）的最佳缓蚀浓度基础上将其与 OP-10 复配（ N&P ），采取失重实验、电化学实验、表面分析和理论模拟的方法，研究了 NN 和 N&P 缓蚀剂对 Q235 钢在 1.0 mol/L HCl 溶液中的缓蚀性能。结果表明：在 30 ℃ 条件下， NN 的交流阻抗谱、动电位极化曲线和失重实验所得的最佳缓蚀率分别为 73.32% 、 85.57% 、 77.46% ，而将 NN 与 OP-10 复配后的缓蚀效率分别提升至 92.34% 、 96.26% 、 90.14% 。量子化学表明： N&P 吸附位点主要为 OP-10 分子中的大 Π 键和 C - O 键以及 NN 分子中的 C=O 键、 C=C 键、 C - N 键，具有较好的协同效应。
Abstract:
： In order to solve the problem of high cost and low efficiency of a single corrosion inhibitor ， N ， N’-methylene diacrylamide （ NN ） was combined with OP-10 （ N&P ） on the basis of the optimal corrosion inhibition concentration ， weight loss experiment ， electrochemical experiment ， surface analysis and theoretical simulation were adopted. The corrosion inhibition properties of NN and N&P on Q235 steel in 1.0 mol/L HCl solution were studied. The results show that at 30 ℃ ， the optimal corrosion inhibition rates obtained by AC impedance spectrum ， potentiodynamic polarization curve and weight loss experiment are 73.32% ， 85.57% and 77.46% ， respectively ， while the corrosion inhibition efficiency of NN combined with OP-10 is increased to 92.34% ， 96.26% and 90.14% ， respectively. Quantum chemistry shows that the adsorption sites of N&P are mainly the big π bond and C - O bond in OP-10 molecule and the C=O bond ， C=C bond and C - N bond in NN molecule ， and N&P has a good synergis tic effect.

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备注/Memo

备注/Memo:
收稿日期： 2023-11-21 修回日期： 2023-12-03 作者简介： 樊林（ 1999 —），男，硕士生，从事缓蚀剂的合成与评价， email ： 2873274096@qq.com * 通信作者： 林元华， email ： yhlin28@163.com ； 王鹏杰， e-mail ： pjwang15@163.com 基金项目： 国家自然科学基金（ 52074232 ）；四川省自然科学基金（ 2022NSFSC0028 ）?/html>
更新日期/Last Update: 2024-07-09