低表面能有机硅涂层的快速制造及其减阻、耐腐蚀和防污性能的研究

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-06-04 DOI:10.1016/j.matlet.2025.138871

Yongqi Zhang , Xinyuan Zhang , Jia Man , Guanghui Cui , Zhenhai Zou , Xinzhong Song , Maocheng Ji , Jianyong Li , Jianfeng Li

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引用次数: 0

摘要

研究了PDMS作为船舶涂料的减阻、防污、防腐性能。然而，它与金属基材的附着力差限制了它的应用。在本研究中，通过无添加剂喷砂，PDMS的粘接强度提高了近10倍。优化了PDMS涂层配方，提高了涂层的力学性能和减阻性能。电化学和盐雾测试表明，厚度大于60 μm的PDMS涂层通过阻挡腐蚀介质具有优异的耐腐蚀性。分子动力学模拟揭示了该涂层的防污机理，硅藻附着试验证明了该涂层具有良好的动态防污性能。本研究为船舶表面高强度PDMS粘接及其在减阻、防污、防腐等方面的应用提供了理论和技术参考。

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Rapid fabrication of low surface energy silicone coatings and investigation of their drag-reducing, corrosion-resistant, and antifouling properties

PDMS has been studied for its drag-reducing, antifouling, and anticorrosion properties as a ship coating. However, its poor adhesion to metal substrates limits its application. In this study, PDMS adhesion strength was enhanced by nearly 10 times through sandblasting without additives. The PDMS coating formulation was optimized to improve mechanical properties and drag-reducing performance. Electrochemical and salt spray tests revealed that PDMS coatings thicker than 60 μm provide excellent corrosion resistance by blocking corrosive media. Molecular dynamics simulations elucidated the anticorrosion mechanism, and diatom adhesion tests demonstrated the coating’s excellent dynamic antifouling characteristics. This study provides theoretical and technical references for high-strength PDMS bonding on ship surfaces and its applications in drag reduction, antifouling, and anticorrosion.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive