Eucalyptus spp.-inspired degradable lubricant-releasing coating for marine antifouling surfaces

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED Progress in Organic Coatings Pub Date : 2024-11-19 DOI:10.1016/j.porgcoat.2024.108917

Yafei Shi , Miaomiao Qian , Dongsong Wei , Wenliang Zhang , Ting Lu , Zhen Zhang , Shuyi Li , Yan Liu

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Abstract

Currently, slippery liquid-infused porous surfaces (SLIPS) have garnered considerable attention in marine antifouling field because of its dynamic slippery surface. However, the reduction of antifouling performance due to uncontrolled loss of lubricant limits its application. Herein, inspired by the stripping of eucalyptus bark and the secretion of essential oil by leaf gland cells, a degradable lubricant-releasing coating (DLRC) without antifouling agent is designed. The DLRC presents excellent anti-algae, antibacterial adhesion properties, and its antifouling ability has been further verified by simulation experiments. The excellent antifouling performance is mainly due to the dual role of degradation surface-renewal and the continuous seepage of lubricating oil to the surface. Compared with previously reported responsive lubricant release methods, this self-degrading controlled release method is more suitable for marine environments. What's more, the ester and lubricant content can be adjusted to meet different antifouling needs. Finally, we hope that this strategy will shed some light on the design of functional coatings.

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受桉树属植物启发开发的可降解润滑剂释放涂料，用于海洋防污表面

目前，注入液体的滑溜多孔表面（SLIPS）因其动态滑溜表面而在海洋防污领域备受关注。然而，由于润滑剂的失控流失导致防污性能下降，限制了其应用范围。本文受桉树树皮剥离和叶腺细胞分泌精油的启发，设计了一种不含防污剂的可降解润滑剂释放涂层（DLRC）。该 DLRC 具有优异的抗藻、抗菌附着性能，其防污能力通过模拟实验得到了进一步验证。优异的防污性能主要得益于降解表面更新和润滑油持续渗入表面的双重作用。与之前报道的反应型润滑剂释放方法相比，这种自降解控释方法更适合海洋环境。此外，酯类和润滑剂的含量还可以调整，以满足不同的防污需求。最后，我们希望这一策略能为功能性涂料的设计提供一些启示。

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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.