基于MoS2@CuS@ZIS三元异质结和双动态共价键的高效光热多功能自愈聚氨酯涂料的制备及性能

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-08-14 DOI:10.1016/j.compositesa.2025.109242

Xin Wang, Xinwei Zhang, Wen Li, Wei Wang, Jie Zhu, Shougang Chen

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引用次数: 0

摘要

海洋设备面临着腐蚀、低温冻结和微生物污染等多重威胁。因此，有必要开发多功能防护涂料。本研究通过加入MoS2@CuS@ZIS三元异质结，提高了改性聚氨酯（PU）涂层的耐磨性、防污性、光热性、电磁波吸收性、除霜除冰性和长效防腐性能。结果表明，涂层在浸泡90天后仍保持良好的耐蚀性。三元异质结构的内置电场促进了电子与空穴的非辐射复合，从而提高了光热转换效率。此外，由于氨基甲酸酯和肟的双动态共价键，涂层具有快速的自修复性能。光下除霜除冰可在130秒内完成。此外，s型异质结的高效催化性能，与Cu2+离子协同作用，使涂层具有优异的抗菌性能。填充材料的掺入使耐磨性提高了34%。本研究对新型多功能聚氨酯涂料的研究和开发具有重要的参与价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Preparation and performance of high-efficiency photothermal multifunctional self-healing polyurethane coating based on MoS2@CuS@ZIS ternary heterojunction and double dynamic covalent bond

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Preparation and performance of high-efficiency photothermal multifunctional self-healing polyurethane coating based on MoS2@CuS@ZIS ternary heterojunction and double dynamic covalent bond

Marine equipment is confronted with multiple threats such as corrosion, low-temperature freezing and microbial fouling. Therefore, it is necessary to develop multi-functional protective coatings. In this study, the wear resistance, anti-fouling, photothermal, electromagnetic wave absorption, defrosting and deicing, and long-lasting anti-corrosion performance of modified polyurethane (PU) coating were improved by incorporating MoS₂@CuS@ZIS ternary heterojunctions. The results show that the coating still maintains good corrosion resistance after being soaked for 90 days. The built-in electric field of the ternary heterostructure promotes the non-radiative recombination of electrons and holes, thereby enhancing the efficiency of photothermal conversion. In addition, with the dual dynamic covalent bonds of carbamate and oxime, the coating has a rapid self-healing performance. Defrosting and deicing under light can be completed within 130 s. In addition, the highly efficient catalytic performance of the S-type heterojunction, in synergy with Cu²⁺ ions, endows the coating with excellent antibacterial properties. The incorporation of filling materials has increased the wear resistance by 34 %. This work has important participation value for the research and development of new multifunctional PU coatings.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.