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Advanced Materials

Joining the Un-Joinable: Adhesion Between Low Surface Energy Polymers Using Tetrapodal ZnO Linkers

Authors

  • Xin Jin,

    1. Institute for Materials Science, Functional Nanomaterials, University of Kiel, Kaiserstr. 2, 24143 Kiel, Germany
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  • Jan Strueben,

    1. Otto-Diels-Institute for Organic Chemistry, University of Kiel, Otto-Hahn-Platz 3/4, 24118 Kiel, Germany
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  • Lars Heepe,

    1. Department of Functional Morphology and Biomechanics, Zoological Institute, University of Kiel, Am Botanischen Garten 1–9, 24098 Kiel, Germany
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  • Alexander Kovalev,

    1. Department of Functional Morphology and Biomechanics, Zoological Institute, University of Kiel, Am Botanischen Garten 1–9, 24098 Kiel, Germany
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  • Yogendra K. Mishra,

    1. Institute for Materials Science, Functional Nanomaterials, University of Kiel, Kaiserstr. 2, 24143 Kiel, Germany
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  • Rainer Adelung,

    Corresponding author
    1. Institute for Materials Science, Functional Nanomaterials, University of Kiel, Kaiserstr. 2, 24143 Kiel, Germany
    • Institute for Materials Science, Functional Nanomaterials, University of Kiel, Kaiserstr. 2, 24143 Kiel, Germany
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  • Stanislav N. Gorb,

    Corresponding author
    1. Department of Functional Morphology and Biomechanics, Zoological Institute, University of Kiel, Am Botanischen Garten 1–9, 24098 Kiel, Germany
    • Department of Functional Morphology and Biomechanics, Zoological Institute, University of Kiel, Am Botanischen Garten 1–9, 24098 Kiel, Germany
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  • Anne Staubitz

    Corresponding author
    1. Otto-Diels-Institute for Organic Chemistry, University of Kiel, Otto-Hahn-Platz 3/4, 24118 Kiel, Germany
    • Otto-Diels-Institute for Organic Chemistry, University of Kiel, Otto-Hahn-Platz 3/4, 24118 Kiel, Germany.
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Abstract

Tetrapodal ZnO crystals are used for mechanical interlocking of PTFE and cross-linked PDMS, classically non-adhesive polymers. This novel approach is straightforward and easily applicable and leads to a peel strength that is higher than 200 N m−1 without chemical modification of the surfaces. The shape of these fillers emerged as a crucial aspect of the interlocking mechanism.

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