Enhancing mechanical performance of a covalent self-healing material by sacrificial noncovalent bonds

Journal of the American Chemical Society
James A NealZhibin Guan

Abstract

Polymers that repair themselves after mechanical damage can significantly improve their durability and safety. A major goal in the field of self-healing materials is to combine robust mechanical and efficient healing properties. Here, we show that incorporation of sacrificial bonds into a self-repairable network dramatically improves the overall mechanical properties. Specifically, we use simple secondary amide side chains to create dynamic energy dissipative hydrogen bonds in a covalently cross-linked polymer network, which can self-heal via olefin cross-metathesis. We envision that this straightforward sacrificial bonding strategy can be employed to improve mechanical properties in a variety of self-healing systems.

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Citations

Jul 6, 2016·ACS Applied Materials & Interfaces·Jincai LiNaoko Yoshie
Jul 5, 2016·Advanced Materials·Yanfeng ZhangJianjun Cheng
Feb 10, 2018·Advanced Materials·Jiheong KangZhenan Bao
Oct 28, 2017·Science·Emmanouela FilippidiMegan T Valentine
Sep 5, 2017·Chemical Society Reviews·Xinxin ZhouGuo-Hua Hu
Oct 31, 2017·Macromolecular Rapid Communications·Jie CaoXinxing Zhang
Oct 21, 2015·Advanced Materials·Shaobo JiHuaping Xu
Jan 18, 2018·Macromolecular Rapid Communications·Antonella CampanellaWolfgang H Binder
Feb 13, 2019·Soft Matter·Nicholas B TitoWouter G Ellenbroek
Jun 20, 2019·Advanced Materials·Pingan Song, Hao Wang
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Oct 15, 2019·Advanced Materials·Zhen JiangLuke A Connal
Dec 28, 2019·Macromolecular Rapid Communications·Xiaomin TangChristopher J Bettinger
Jul 17, 2019·Angewandte Chemie·Yuwei GuJeremiah A Johnson
Feb 1, 2020·Macromolecular Rapid Communications·Mengqi DuGuanjun Chang
Apr 12, 2016·Advanced Materials·Lawrence J DoolingDavid A Tirrell
Nov 24, 2019·Nature Communications·Yuanyuan DouZunfeng Liu
Feb 29, 2020·Nature Communications·Shuo ChenZhengwei You
May 19, 2019·Nature Communications·Haili QinShu-Hong Yu
Apr 25, 2019·Nature Communications·Yohei MiwaShoichi Kutsumizu
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May 10, 2018·Nature Communications·Biao ZhangQi Ge
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Jul 20, 2016·Advanced Materials·Yan HuangChunyi Zhi
Feb 13, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Gulzhian I DzhardimalievaIgor E Uflyand

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