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铜表面态对三唑类点击组装膜在电厂循环冷却水中对铜的保护性能的影响

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  • 上海电力大学a.上海市电力材料防护与新材料重点实验室,b.环境与化学工程学院,上海 200090

李 瑾(1983-),博士,高级工程师,主要研究方向为金属腐蚀与防护,E-mail:lijin@shiep.edu.cn;

张大全(1968-),博士,教授,主要研究方向为金属腐蚀与防护,E-mail:zhangdaquan@shiep.edu.cn


收稿日期: 2022-09-24

  修回日期: 2022-10-15

  录用日期: 2022-11-20

  网络出版日期: 2023-03-15

基金资助

 国家自然科学基金项目(52001194;51571140)资助

Effect of Copper Surface State on the Protective Performance of Triazole Click-Assembly Film on Copper in Circulating Cooling Water of Power Plant

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  • a.Shanghai Key Laboratory of Power Material Protection and New Materials,b.School of Environmental and Chemical Engineering,Shanghai Electric Power University,Shanghai 200090,China

Received date: 2022-09-24

  Revised date: 2022-10-15

  Accepted date: 2022-11-20

  Online published: 2023-03-15

摘要

为了研究不同铜表面态对三唑类点击组装膜在电厂循环冷却水中对铜的保护性能的影响,以对甲苯基磺酰叠氮(MA)、丙炔酸(PR)作为组装单元,采用原位点击组装法在不同铜表面态上形成三唑缓蚀膜(CuMA-PR、Cu2OMA-PR、CuOMA-PR)。采用电化学方法、腐蚀挂片法、SEM 表征及抗菌性能分析评估了三唑缓蚀膜对铜基体的缓蚀性能,同时,考察了Cu2OMA-PR在电厂循环冷却水体系中对铜基体的保护效果。结果表明:Cu2O 表面态最有利于三唑缓蚀膜的形成(Cu2OMA-PR),Cu2OMA-PR在21 d 内对铜基体具有良好的缓蚀作用和抗菌效果,其在21 d 内对铜的平均缓蚀率为85.4%,同时可有效抑制各类微生物菌群的繁殖。

本文引用格式

朱才超, 李瑾, 张大全 . 铜表面态对三唑类点击组装膜在电厂循环冷却水中对铜的保护性能的影响[J]. 材料保护, 2023 , 56(3) : 106 -113 . DOI: 10.16577/j.issn.1001-1560.2023.0066

Abstract

In order to investigate the effect of different copper surface state on the protection performance of triazole click-assembly film on Cu in circulating cooling water of power plants,the triazole inhibition films (CuMA-PR,Cu2OMA-PR,CuOMA-PR) were prepared via an in-situ click assembling reaction using p-toluenesulfonyl azide (MA) and propionic acid (PR) as assembly units on different copper surface state.Corrosion inhibition performance of the triazole inhibition films on copper substrate was evaluated by electrochemical method,corrosion coupon testing,SEM characterization and antibacterial property analysis.At the same time,the protective effect of Cu2OMA-PR on copper substrate in the circulating cooling water system of power plant was investigated.Results showed that Cu2O surface state was the best for the formation of triazole inhibition film(Cu2OMA-PR).The Cu2OMA-PR exhibited an excellent corrosion inhibition and antibacterial property on copper substrate within 21 d.The average inhibition efficiency of Cu2OMA-PR for copper in 3 weeks was 85.4%.Besides,Cu2OMA-PR could also effectively inhibit the proliferation of various microbial communities.

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