中国炼油与石油化工 ›› 2022, Vol. 24 ›› Issue (1): 117-128.

• Environmental Protection • 上一篇    下一篇

SA-ZnO@ODA-GO@PU 超疏水涂层的抗菌防腐性能

刘芳1,孔灿2,李炜3,姜国飞4,王雪尧3   

  1. 1. 中国石油大学化工学院
    2. 中国石油大学(华东)
    3. 中国石油大学
    4. 中国石油大学(华东)化学工程学院
  • 收稿日期:2021-08-03 修回日期:2021-10-03 出版日期:2022-03-30 发布日期:2022-03-30
  • 通讯作者: 刘芳 E-mail:liufangfw@upc.edu.cn;liufangfw@163.com
  • 基金资助:
    中国石油天然气集团公司安全环保关键技术研究与推广项目;国家科技重大专项子项目

Antibacterial and Corrosion Inhibition Properties of SA-ZnO@ODA-GO@PU Super-Hydrophobic Coating in Circulating Cooling Water System

  • Received:2021-08-03 Revised:2021-10-03 Online:2022-03-30 Published:2022-03-30
  • Contact: Liu Fang E-mail:liufangfw@upc.edu.cn;liufangfw@163.com
  • Supported by:
    CNPC safety and environmental protection key technology research and promotion project;Sub project of national science and technology major project

摘要: 为了解决循环冷却水系统的腐蚀问题,合成了SA-ZnO@ODA-GO@PU超疏水管道防护涂料。涂料经过疏水改性后,涂层的接触角(CA)在150°以上。涂层的抗菌能力对防腐性能至关重要。SA-ZnO@ODA-GO会严重破坏细胞结构,使细胞内容物外流,增加蛋白质的漏出率,使细菌在24小时内无法达到对数生长期。SA-ZnO@ODA-GO@PU涂层SA的缓蚀机理分析表明,疏水改性涂层形成物理屏障,防止水分子进入碳钢。在试样表面,涂层阻止了电荷转移。

关键词: SA-ZnO@ODA-GO@PU 涂层, 超疏水性, 抗菌, 缓蚀

Abstract: In order to solve corrosion problem of circulating cooling water system, SA-ZnO@ ODA-GO@ PU super-hydrophobic coating was synthesized for pipeline protection. After hydrophobic modification, the contact angle (CA) of the coating was above 150o. The coating antibacterial ability was essential for corrosion protection. SA-ZnO@ODA-GO can seriously damage the cell structure, make the cell content outflow, increase the leakage rate of protein, and make the bacteria unable to reach logarithmic growth phase within 24 h. The corrosion inhibition mechanism analysis of SA-ZnO@ODA-GO@PU coating indicated that the hydrophobic modified coating formed a physical barrier to prevent water molecules from entering the carbon steel. On the surface of the specimen, the coating prevented charge transfer.

Key words: SA-ZnO@ODA-GO@PU coating, super-hydrophobic, antibacterial, corrosion inhibition