Ultrastrong underwater adhesion on diverse substrates using non-canonical phenolic groups

Bohan Cheng, Jinhong Yu, Toma Arisawa, Koki Hayashi, Joseph J. Richardson, Yasushi Shibuta and Hirotaka Ejima ()
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Bohan Cheng: The University of Tokyo
Jinhong Yu: The University of Tokyo
Toma Arisawa: The University of Tokyo
Koki Hayashi: The University of Tokyo
Joseph J. Richardson: The University of Tokyo
Yasushi Shibuta: The University of Tokyo
Hirotaka Ejima: The University of Tokyo

Nature Communications, 2022, vol. 13, issue 1, 1-9

Abstract: Abstract Robust underwater adhesion is challenging because a hydration layer impedes the interaction between substrates and adhesives. Phenolic adhesives inspired by marine creatures such as mussels were extensively studied, but these adhesives have not reached the adhesion strength and substrate diversity of Man-made dry adhesives. Here, we report a class of ultrastrong underwater adhesives with molecular phenolic designs extending beyond what nature has produced. These non-canonical phenolic polymers show versatile adhesion on various materials, with adhesion strengths exceeding 10 MPa on metal. Incorporating even just a small amount (

Date: 2022
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DOI: 10.1038/s41467-022-29427-w

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