从春尾鱼角质层表面获得灵感的木质素基持久超疏水花瓣状结构的制备及其油水分离性能

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2024-11-14 DOI:10.1016/j.porgcoat.2024.108907

Mingdong Yu, Chunyue Ma, Changmei Liao, Yining Wang, Dongzhi Wang

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引用次数: 0

摘要

受春蜱（Collembola）自然表面适应性的启发，我们开发了一种新型木质素涂层纳米粒子系统，该系统具有花瓣状多孔结构，可模仿春蜱的滞气和拒水能力。这种仿生物材料具有显著的超疏水性（CAwater ≈ 160°）和超亲油性（CAoil ≈ 0°），这对提高油的选择性吸附至关重要。独特的结构可捕获空气，即使在浸没条件下也能确保出色的浮力和稳定性，同时还能耐受侵蚀性溶剂。此外，纳米颗粒还具有磁响应性，可在油水分离过程中进行精确操作。这种功能对于各种工业和环境应用至关重要。在性能测试中，该材料的油水分离效率达到 97%，渗透通量为 850 Lm-2 h-1。即使经过多次循环，它仍能保持较高的分离效率和坚固性，经受住了恶劣的化学环境考验。我们的方法为复杂的油水分离难题提供了一种高度耐用和高效的解决方案，推动了智能材料应用领域的发展。

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 oil-water separation performance of lignin-based durable superhydrophobic petaloid structure inspired from springtail cuticle surface

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Preparation and oil-water separation performance of lignin-based durable superhydrophobic petaloid structure inspired from springtail cuticle surface

Inspired by the natural surface adaptations of springtails (Collembola), we developed a novel lignin-coated nanoparticle system with a petaloid porous structure that mimics their air-retention and water-repelling capabilities. The biomimetic materials exhibit remarkable superhydrophobicity (CA_water ≈ 160°) and superoleophilicity (CA_oil ≈ 0°), crucial for enhancing selective oil adsorption. The unique structure traps air, ensuring excellent buoyancy and stability even in submerged conditions, while offering resistance to aggressive solvents. Additionally, the nanoparticles possess magnetic responsiveness, enabling precise manipulation in oil-water separation processes. This functionality is critical for a variety of industrial and environmental applications. In performance tests, the material achieved an oil-water separation efficiency of 97 %, with a permeation flux of 850 Lm⁻² h⁻¹. Even after multiple cycles, it maintained high separation efficiency and robustness, enduring chemically harsh environments. Our approach presents a highly durable and efficient solution to complex oil-water separation challenges, advancing the field of smart material applications.

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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.