Partial Wrinkle Generation for Switchable Attachment and High Adhesion Hysteresis

Title
Partial Wrinkle Generation for Switchable Attachment and High Adhesion Hysteresis
Authors
김정훈강성민김상문
Issue Date
2017-01
Publisher
International Journal of Precision Engineering and Manufacturing
Citation
VOL 18, NO 1-137
Abstract
In this communication, we present a simple and robust switchable dry adhesion system by using PDMS wrinkled-gecko surface. The PDMS substrate with gecko-inspired wide-tip arrays is a wrinkled area generated by UVO exposure using a shadow mask. The fabricated PDMS wrinkled-gecko device shows high dry adhesion hysteresis on a targeted surface. In the experiments, the difference of adhesion force of wrinkled PDMS surface between adhesion on and off modes increases with longer UVO treatment time. Also, it has durability with mechanical robustness without any defect or decrease in adhesion force even after 100 repeating cycles of the adhesion test. These remarkable properties can be used for precise, green-environmental transporting system with various applications in commercial and research areas
URI
http://pubs.kist.re.kr/handle/201004/65338
ISSN
2234-7593
Appears in Collections:
KIST Publication > Article
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