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Significant Performance Enhancement of Polymer Resins by Bioinspired Dynamic Bonding
Cited 69 time in
Web of Science
Cited 67 time in Scopus
- Authors
- Issue Date
- 2017-10
- Citation
- Advanced Materials, Vol.29 No.39, p. 1703026
- Abstract
- Marine mussels use catechol-rich interfacial mussel foot proteins (mfps) as primers that attach to mineral surfaces via hydrogen, metal coordination, electrostatic, ionic, or hydrophobic bonds, creating a secondary surface that promotes bonding to the bulk mfps. Inspired by this biological adhesive primer, it is shown that a approximate to 1 nm thick catecholic single-molecule priming layer increases the adhesion strength of crosslinked polymethacrylate resin on mineral surfaces by up to an order of magnitude when compared with conventional primers such as noncatecholic silane- and phosphate-based grafts. Molecular dynamics simulations confirm that catechol groups anchor to a variety of mineral surfaces and shed light on the binding mode of each molecule. Here, a approximate to 50% toughness enhancement is achieved in a stiff load-bearing polymer network, demonstrating the utility of mussel-inspired bonding for processing a wide range of polymeric interfaces, including structural, load-bearing materials.
- ISSN
- 0935-9648
- Language
- English
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