Rapidly recoverable, anti-fatigue, super-tough double-network hydrogels reinforced by macromolecular microspheres

Rapidly recoverable, anti-fatigue, super-tough double-network hydrogels reinforced by macromolecular microspheres

In this study, a novel strategy was designed to prepare rapidly recoverable, anti-fatigue, super-tough double-network hydrogels by introducing macromolecular microspheres (MMs) as cross-linking centers for hydrophobic associations. MMs were prepared via emulsion polymerization using butyl acrylate (...

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Veröffentlicht in:Soft matter 2017-02, Vol.13 (7), p.1357-1363
Hauptverfasser: Hou, Jiliang, Ren, Xiuyan, Guan, Shuang, Duan, Lijie, Gao, Guang Hui, Kuai, Yu, Zhang, Huixuan
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container_end_page 1363
container_issue 7
container_start_page 1357
container_title Soft matter
container_volume 13
creator Hou, Jiliang
Ren, Xiuyan
Guan, Shuang
Duan, Lijie
Gao, Guang Hui
Kuai, Yu
Zhang, Huixuan
description In this study, a novel strategy was designed to prepare rapidly recoverable, anti-fatigue, super-tough double-network hydrogels by introducing macromolecular microspheres (MMs) as cross-linking centers for hydrophobic associations. MMs were prepared via emulsion polymerization using butyl acrylate (BA) as a main component and dicyclopentyl acrylate (DCPA) as a cross-linker. Then, a double-network (DN) hydrogel was prepared using gelatin as the first network and a copolymer of acrylamide and hexadecyl methacrylate stabilized by MMs as the second network. As a result, the DN hydrogels that were toughened by MMs exhibited an excellent fracture strength of 1.48 MPa and a fracture strain of 2100%. Moreover, the hydrogels exhibited rapid recoverability and fatigue resistance. Therefore, the strategy would open up a novel avenue for the toughening of DN hydrogels for biomedical applications. In this study, a novel strategy was designed to prepare rapidly recoverable, anti-fatigue, super-tough double-network hydrogels by introducing macromolecular microspheres (MMs) as cross-linking centers for hydrophobic associations.
doi_str_mv 10.1039/c6sm02739c
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title Rapidly recoverable, anti-fatigue, super-tough double-network hydrogels reinforced by macromolecular microspheres
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