核壳结构仿生超双疏涂层的制备及多重响应性研究

doi:10.19677/j.issn.1004-7964.2023.05.003

皮革科学与工程 ›› 2023, Vol. 33 ›› Issue (5): 16-21.doi: 10.19677/j.issn.1004-7964.2023.05.003

核壳结构仿生超双疏涂层的制备及多重响应性研究

谭润香^1,2, 伍大恒^2,3,*, 周晋^1,*

1.四川大学皮革化学与工程教育部重点实验室,四川成都 610065;
2.中国科学院宁波材料技术与工程研究所,浙江宁波 315201;
3.中国科学院兰州化学物理研究所固体润滑国家重点实验室,甘肃兰州 730000

收稿日期:2023-03-10 出版日期:2023-10-01 上线日期:2023-09-20
通讯作者: *伍大恒（1992-）,男,助理研究员,研究方向:机械表面工程。E-mail：wudaheng@nimte.ac.cn。周晋（1985-）,男,副教授,主要从事功能皮革制品研究。E-mail：zj_scu@scu.edu.cn。
作者简介:谭润香（1998-）,女,硕士研究生,主要研究方向:皮革化学与工程。E-mail:tanrunxxx@163.com。
基金资助:
国家自然科学基金（52005491）; 浙江省自然科学基金（LQ21E050021）

Preparation of Core-Shell Structured Biomimetic Superamphiphobic Coating with Multiple Responsiveness

TAN Runxiang^1,2, WU Daheng^2,3,*, ZHOU Jin^1,*

1. Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China;
2. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;
3. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Received:2023-03-10 Online:2023-10-01 Published:2023-09-20

摘要/Abstract

摘要： 仿生超双疏涂层具有独特的表面特性,不仅能改变皮革表面的润湿状态,赋予皮革表面自清洁性能,还能增强其耐用性和舒适度。因此,研究通过溶剂热法合成了一种海胆状的核壳结构超双疏F-Fe₃O₄@TiO₂纳米材料,并通过喷涂/旋涂方式在皮革表面构建了稳定的超双疏涂层。所得涂层可以同时排斥酸、碱和油、牛奶等污染性液体,液体接触角均大于150°,并在50次磨擦循环实验中均保持着稳定的超双疏性能,呈现出优异的耐摩擦稳定性。进一步通过紫外光照和热处理,实现了皮革表面超疏水性到超亲水性的响应性可逆切换。最终,通过外加磁场实现了纳米材料的磁响应性移动和吸附,有效地解决了纳米材料难回收的问题,在皮革自清洁领域具有应用潜力。

关键词: 超双疏, 仿生, 核壳结构, 皮革, 磁性

Abstract: The biomimetic superamphiphobic coating has unique surface characteristics, which can not only change the wetting state of leather surface and endow it with self-cleaning performance, but also enhance its using durability and comfort. Therefore, we synthesized sea chestnut-like superamphiphobic F-Fe₃O₄@TiO₂ core-shell nanoparticles by solvothermal process and then constructed a stable superamphiphobic coating on the leather surface by spray/spin coating. The coating showed excellent repellency to acidic and alkaline liquids as well as pollutants such as milk and edible oil with contact angles above 150°. Meanwhile, it maintained stable superamphiphobic performance in 50 friction cycle experiments, which demonstrates the outstanding friction resistance stability. Furthermore, the reversible switching between superhydrophobicity and superhydrophilicity on the leather surface was achieved by simple UV irradiation and heating treatment. Finally, the magnetic responsive movement and adsorption of nanomaterials were achieved by applying an external magnetic field, which effectively solves the problem of difficult recycling of nanomaterials, showing application potential in the field of leather self-cleaning.

Key words: superamphiphobic, biomimetic, core-shell, leather, magnetism

中图分类号:

TS543

谭润香, 伍大恒, 周晋. 核壳结构仿生超双疏涂层的制备及多重响应性研究[J]. 皮革科学与工程, 2023, 33(5): 16-21.

TAN Runxiang, WU Daheng, ZHOU Jin. Preparation of Core-Shell Structured Biomimetic Superamphiphobic Coating with Multiple Responsiveness[J]. Leather Science and Engineering, 2023, 33(5): 16-21.

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核壳结构仿生超双疏涂层的制备及多重响应性研究

Preparation of Core-Shell Structured Biomimetic Superamphiphobic Coating with Multiple Responsiveness

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