Liquid-Superrepellent Bioinspired Fibrillar Adhesives

© 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 19 vom: 01. Mai, Seite e2000497
1. Verfasser: Liimatainen, Ville (VerfasserIn)
Weitere Verfasser: Drotlef, Dirk-Michael, Son, Donghoon, Sitti, Metin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article bioinspired microfibrils dry adhesives fibrillar adhesives liquid superrepellency
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520 |a Bioinspired elastomeric fibrillar surfaces have significant potential as reversible dry adhesives, but their adhesion performance is sensitive to the presence of liquids at the contact interface. Like their models in nature, many artificial mimics can effectively repel water, but fail when low-surface-tension liquids are introduced at the contact interface. A bioinspired fibrillar adhesive surface that is liquid-superrepellent even toward ultralow-surface-tension liquids while retaining its adhesive properties is proposed herein. This surface combines the effective adhesion principle of mushroom-shaped fibrillar arrays with liquid repellency based on double re-entrant fibril tip geometry. The adhesion performance of the proposed microfibril structures is retained even when low-surface-tension liquids are added to the contact interface. The extreme liquid repellency enables real-world applications of fibrillar adhesives for surfaces covered with water, oil, and other liquids. Moreover, fully elastomeric liquid-superrepellent surfaces are mechanically not brittle, highly robust against physical contact, and highly deformable and stretchable, which can increase the real-world uses of such antiwetting surfaces 
650 4 |a Journal Article 
650 4 |a bioinspired microfibrils 
650 4 |a dry adhesives 
650 4 |a fibrillar adhesives 
650 4 |a liquid superrepellency 
700 1 |a Drotlef, Dirk-Michael  |e verfasserin  |4 aut 
700 1 |a Son, Donghoon  |e verfasserin  |4 aut 
700 1 |a Sitti, Metin  |e verfasserin  |4 aut 
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