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Partial wrinkle generation for switchable attachment and high adhesion hysteresis

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International Journal of Precision Engineering and Manufacturing Aims and scope Submit manuscript

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.

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Abbreviations

PDMS:

Polydimethylsiloxane

UVO:

Ultra-violet ozone

SOI:

Silicon on insulator

C4F8 :

Octafluorocyclobutane

SEM:

Scanning electron microscopy

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Chungnam National University, Daehak-ro, Yuseong-gu, Daejeon, 34134, South Korea

    Seong Min Kang

  2. High Temperature Energy Materials Research Center, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, South Korea

    Jeong Hun Kim

  3. Department of Mechanical Engineering, Incheon National University, 119, Academy-ro, Yeonsu-gu, Incheon, 22012, South Korea

    Sang Moon Kim

Authors
  1. Seong Min Kang
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  2. Jeong Hun Kim
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  3. Sang Moon Kim
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Corresponding author

Correspondence to Sang Moon Kim.

Additional information

Seong Min Kang and Jeong Hun Kim contributed equally to this work

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Kang, S.M., Kim, J.H. & Kim, S.M. Partial wrinkle generation for switchable attachment and high adhesion hysteresis. Int. J. Precis. Eng. Manuf. 18, 133–137 (2017). https://doi.org/10.1007/s12541-017-0017-4

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  • DOI: https://doi.org/10.1007/s12541-017-0017-4

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