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Constructing High Performance Hydrogels with Strong Underwater Adhesion through a “Mussel Feet-Rock” Inspired Strategy AITranslate

Rui Zhang; Hongwei Peng; Tianxu Zhou; Yuan Yao; Xuedong Zhu; Bowei Bi; Xing Zhang; Binxiu Liu; Linyan Niu; Wenqing Wang
East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology; East China University of Science and Technology
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Publisher: ACS
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Abstract AITranslate

In this study, high performance hydrogels with strong underwater adhesion were constructed through a “mussel feet-rock” inspired strategy, in which a random copolymer containing side-chain positive charges and catechol groups (PMD) simulated the adhesive proteins of mussel, and poly(acrylic acid) (PAA) mimicked the rocky surface. PMD and PAA chains could noncovalently cross-link together through hydrogen bonding, charge interaction, and chain entanglement. Catechol groups further provide the hydrogel strong adhesion ability. Taking advantage of this strategy, the obtained PAA/PMD hydrogels featured the best stretchability among reported hydrogels and intensive repeatable adhesion behavior, and further exhibited unusual wet-enhanced tensile and shear strength together with durable underwater adhesion. These findings are valuable for the development of mussel-inspired adhesives and high performance hydrogels.

KeyWords AITranslate

hydrogel musselinspired high performance underwater adhesion noncovalent crosslink
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00590

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Citation Information:

In this study, high performance hydrogels with strong underwater adhesion were constructed through a “mussel feet-rock” inspired strategy, in which a random copolymer containing side-chain positive charges and catechol groups (PMD) simulated the adhesive proteins of mussel, and poly(acrylic acid) (PAA) mimicked the rocky surface. PMD and PAA chains could noncovalently cross-link together through hydrogen bonding, charge interaction, and chain entanglement. Catechol groups further provide the hydrogel strong adhesion ability. Taking advantage of this strategy, the obtained PAA/PMD hydrogels featured the best stretchability among reported hydrogels and intensive repeatable adhesion behavior, and further exhibited unusual wet-enhanced tensile and shear strength together with durable underwater adhesion. These findings are valuable for the development of mussel-inspired adhesives and high performance hydrogels.

quote

GB/T 7714-2015 [1] Rui Zhang, Hongwei Peng, Tianxu Zhou, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00590.
MLA [1] Rui Zhang, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00590.
APA [1] Rui Zhang, Hongwei Peng, Tianxu Zhou, Yuan Yao, Xuedong Zhu, Bowei Bi, Xing Zhang, Binxiu Liu, Linyan Niu, & Wenqing Wang. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00590
IEEE [1] Rui Zhang, Hongwei Peng, Tianxu Zhou, Yuan Yao, Xuedong Zhu, Bowei Bi, Xing Zhang, Binxiu Liu, Linyan Niu, and Wenqing Wang, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00590. keywords: {hydrogel;musselinspired;high performance;underwater adhesion;noncovalent crosslink}