分层双疏结构使涂层具有非凡的防腐性能

IF 7.3 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2025-03-09 DOI:10.1016/j.porgcoat.2025.109186

Zhaowen Tian , Ruiyu Ma , Yiqing Chen , Suning Li , Hongwei Zhao , Yanqiu Zhang , Qingdong Li , Xueyuan Zhang , Baigang An

{"title":"分层双疏结构使涂层具有非凡的防腐性能","authors":"Zhaowen Tian , Ruiyu Ma , Yiqing Chen , Suning Li , Hongwei Zhao , Yanqiu Zhang , Qingdong Li , Xueyuan Zhang , Baigang An","doi":"10.1016/j.porgcoat.2025.109186","DOIUrl":null,"url":null,"abstract":"<div><div>Amphiphobic coatings have great potential in anti-corrosion coatings, oil-water separation, and so on. These are usually achieved by building multistage micron/nanometer roughness or re-entrant curvature surface through low surface energy materials. However, the complexity and mechanical brittleness of amphiphobic coatings derived from surface micro/nano structures have long posed challenges to their practical application. Here, we constructed a hierarchical structure coating with amphiphobic properties using polydopamine/polyethylenimine (PDE) as a connecting layer between the 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDTES)-modified epoxy coating (POS-EP) and the carboxylated carbon nanotube (CNTs-COOH) modified epoxy coating (CNTs-EP) via dip-coating technology. CNTs-COOH addition reduces the porosity defects in the epoxy resin and impart hydrophilicity to the coating, demonstrating excellent underwater oleophobicity (OCA = 134.6°), thereby preventing the POS-EP coating from being eroded by oily organic substances in aqueous environments. PFDTES is employed to enhance the hydrophobicity of the epoxy resin, improving the coating's impermeability and corrosion resistance, with a water contact angle of 127.2° on its smooth surface. Surface morphology and elemental analysis confirm the seamless connection of the hydrophobic and hydrophilic layers facilitated by the PDE transition layer. Consequently, the amphiphobic coating with the hierarchical structure exhibits outstanding anti-corrosion performance. Compared to the epoxy resin coatings, the amphiphobic coating's resistance (<em>R</em><sub><em>c</em></sub>) and low-frequency modulus (|Z|<sub>0.01Hz</sub>) are improved by 2 to 4 orders of magnitude after 60 days of immersion testing in 3.5 wt% NaCl and 18 days of neutral salt spray tests. Even the coating suffered the local damages, the synergistic effects between the amphiphobic interface can still hinder the attacks of corrosion media, and thus continues to supply good anti-corrosion properties. Given its low cost, scalability, and durability, this novel coating is expected to pave new avenues for the construction of various amphiphobic coatings.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"204 ","pages":"Article 109186"},"PeriodicalIF":7.3000,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A hierarchically amphiphobic structure enables coating an extraordinary anti-corrosion performance\",\"authors\":\"Zhaowen Tian , Ruiyu Ma , Yiqing Chen , Suning Li , Hongwei Zhao , Yanqiu Zhang , Qingdong Li , Xueyuan Zhang , Baigang An\",\"doi\":\"10.1016/j.porgcoat.2025.109186\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Amphiphobic coatings have great potential in anti-corrosion coatings, oil-water separation, and so on. These are usually achieved by building multistage micron/nanometer roughness or re-entrant curvature surface through low surface energy materials. However, the complexity and mechanical brittleness of amphiphobic coatings derived from surface micro/nano structures have long posed challenges to their practical application. Here, we constructed a hierarchical structure coating with amphiphobic properties using polydopamine/polyethylenimine (PDE) as a connecting layer between the 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDTES)-modified epoxy coating (POS-EP) and the carboxylated carbon nanotube (CNTs-COOH) modified epoxy coating (CNTs-EP) via dip-coating technology. CNTs-COOH addition reduces the porosity defects in the epoxy resin and impart hydrophilicity to the coating, demonstrating excellent underwater oleophobicity (OCA = 134.6°), thereby preventing the POS-EP coating from being eroded by oily organic substances in aqueous environments. PFDTES is employed to enhance the hydrophobicity of the epoxy resin, improving the coating's impermeability and corrosion resistance, with a water contact angle of 127.2° on its smooth surface. Surface morphology and elemental analysis confirm the seamless connection of the hydrophobic and hydrophilic layers facilitated by the PDE transition layer. Consequently, the amphiphobic coating with the hierarchical structure exhibits outstanding anti-corrosion performance. Compared to the epoxy resin coatings, the amphiphobic coating's resistance (<em>R</em><sub><em>c</em></sub>) and low-frequency modulus (|Z|<sub>0.01Hz</sub>) are improved by 2 to 4 orders of magnitude after 60 days of immersion testing in 3.5 wt% NaCl and 18 days of neutral salt spray tests. Even the coating suffered the local damages, the synergistic effects between the amphiphobic interface can still hinder the attacks of corrosion media, and thus continues to supply good anti-corrosion properties. Given its low cost, scalability, and durability, this novel coating is expected to pave new avenues for the construction of various amphiphobic coatings.</div></div>\",\"PeriodicalId\":20834,\"journal\":{\"name\":\"Progress in Organic Coatings\",\"volume\":\"204 \",\"pages\":\"Article 109186\"},\"PeriodicalIF\":7.3000,\"publicationDate\":\"2025-03-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Progress in Organic Coatings\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0300944025001353\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, APPLIED\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress in Organic Coatings","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0300944025001353","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}

引用次数: 0

摘要

双疏水性涂料在防腐涂料、油水分离等方面具有很大的应用潜力。这些通常是通过低表面能材料构建多级微米/纳米粗糙度或可重入曲率表面来实现的。然而，由表面微纳米结构衍生的双疏涂层的复杂性和机械脆性长期以来一直对其实际应用构成挑战。本研究利用聚多巴胺/聚乙烯亚胺（PDE）作为1H，1H,2H，2H-全氟癸基三乙氧基硅烷（PFDTES）改性环氧涂料（POS-EP）与羧基化碳纳米管（CNTs-COOH）改性环氧涂料（CNTs-EP）之间的连接层，通过浸涂技术构建了具有双疏性的分层结构涂层。碳纳米管- cooh的加入减少了环氧树脂的孔隙缺陷，赋予涂层亲水性，表现出优异的水下疏油性（OCA = 134.6°），从而防止了poss - ep涂层在水环境中被油性有机物侵蚀。使用PFDTES增强环氧树脂的疏水性，提高涂层的抗渗性和耐腐蚀性，其光滑表面的水接触角为127.2°。表面形貌和元素分析证实了PDE过渡层促进了疏水层和亲水层的无缝连接。因此，具有分层结构的双疏涂层具有优异的防腐性能。与环氧树脂涂层相比，经3.5 wt% NaCl浸泡60 d和中性盐雾试验18 d，双疏涂层的耐蚀性（Rc）和低频模量（|Z|0.01Hz）提高了2 ~ 4个数量级。即使涂层受到局部损伤，双疏界面之间的协同作用仍然可以阻止腐蚀介质的攻击，从而继续提供良好的防腐性能。鉴于其低成本、可扩展性和耐用性，这种新型涂层有望为各种双疏涂层的构建铺平新的道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A hierarchically amphiphobic structure enables coating an extraordinary anti-corrosion performance

查看原文本刊更多论文

A hierarchically amphiphobic structure enables coating an extraordinary anti-corrosion performance

Amphiphobic coatings have great potential in anti-corrosion coatings, oil-water separation, and so on. These are usually achieved by building multistage micron/nanometer roughness or re-entrant curvature surface through low surface energy materials. However, the complexity and mechanical brittleness of amphiphobic coatings derived from surface micro/nano structures have long posed challenges to their practical application. Here, we constructed a hierarchical structure coating with amphiphobic properties using polydopamine/polyethylenimine (PDE) as a connecting layer between the 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDTES)-modified epoxy coating (POS-EP) and the carboxylated carbon nanotube (CNTs-COOH) modified epoxy coating (CNTs-EP) via dip-coating technology. CNTs-COOH addition reduces the porosity defects in the epoxy resin and impart hydrophilicity to the coating, demonstrating excellent underwater oleophobicity (OCA = 134.6°), thereby preventing the POS-EP coating from being eroded by oily organic substances in aqueous environments. PFDTES is employed to enhance the hydrophobicity of the epoxy resin, improving the coating's impermeability and corrosion resistance, with a water contact angle of 127.2° on its smooth surface. Surface morphology and elemental analysis confirm the seamless connection of the hydrophobic and hydrophilic layers facilitated by the PDE transition layer. Consequently, the amphiphobic coating with the hierarchical structure exhibits outstanding anti-corrosion performance. Compared to the epoxy resin coatings, the amphiphobic coating's resistance (R_c) and low-frequency modulus (|Z|_0.01Hz) are improved by 2 to 4 orders of magnitude after 60 days of immersion testing in 3.5 wt% NaCl and 18 days of neutral salt spray tests. Even the coating suffered the local damages, the synergistic effects between the amphiphobic interface can still hinder the attacks of corrosion media, and thus continues to supply good anti-corrosion properties. Given its low cost, scalability, and durability, this novel coating is expected to pave new avenues for the construction of various amphiphobic coatings.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.