Please use this identifier to cite or link to this item: doi:10.22028/D291-29474
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Title: Switchable double-sided micropatterned adhesives for selective fixation and detachment
Author(s): Tinnemann, Verena
Arzt, Eduard
Hensel, René
Language: English
Title: Journal of the mechanics and physics of solids
Volume: 123
Startpage: 20
Endpage: 27
Publisher/Platform: Elsevier
Year of Publication: 2019
Publikation type: Journal Article
Abstract: Micropatterned dry adhesives are promising candidates for the development of innovative adhesive platforms. Their reversible adhesion to various materials and surfaces has been reported over more than a decade. Switching between a strong and a weak adhesive state can be introduced by elastic buckling instabilities of the microstructure. In this work, we report on novel adhesive pads that exhibit micropatterned pillars on both sides. In double-sided PDMS micropatterns, the dimensions of the pillar structures were tuned by modulating the critical force for buckling during compressive loading. In this way, selective detachment of glass substrates was induced from one side of the pad. Our results indicate a significant switching efficiency of up to 83% between the strong and weak adhesive state. The new structures have high potential for emerging applications where temporary, double-sided fixations in combination with a predetermined detachment location are required.
DOI of the first publication: 10.1016/j.jmps.2018.09.003
Link to this record: hdl:20.500.11880/28161
ISSN: 1873-4782
Date of registration: 22-Oct-2019
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Materialwissenschaft und Werkstofftechnik
Professorship: NT - Prof. Dr. Eduard Arzt
Collections:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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