A Phenol-Amine Superglue Inspired by Insect Sclerotization Process

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Exoskeletons of insects formed by sclerotization processes exhibit superstrong properties in moduli. Here, it is demonstrated that mimicking the sclerotization process using phenol and polyamine molecules unexpectedly results in a 100% ecofriendly, biocompatible waterborne superglue. Oxygen presented in air and dissolved in water acts as an initiator producing phenolic radical/quinone for superglue curing. Despite synthesis-free uses of water, phenol, and polyamine, its adhesion strength is comparable to commercial epoxy glue showing >6 MPa in lap shear strength. The phenol-amine superglue bonds to various substrates including ceramics, woods, fabrics, plastics, metals, and importantly biological tissues. Due to strong adhesion, the superglue effectively seals wounds within a few seconds, and, due to its waterborne nature, no harmful respiratory effect is observed because of any release of volatile organic compounds. The easy, cost-effective preparation of the phenol-amine superglue can revolutionize varieties of industrial, biomedical, daily life processes.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2020-10
Language
English
Article Type
Article
Citation

ADVANCED MATERIALS, v.32, no.43, pp.2002118

ISSN
0935-9648
DOI
10.1002/adma.202002118
URI
http://hdl.handle.net/10203/279463
Appears in Collection
CH-Journal Papers(저널논문)
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