Journal
MATERIALS LETTERS
Volume 269, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2020.127665
Keywords
Zwitterionic hydrogel; Sulfobetaine; UPy; Self-healing; Functional; Polymers
Funding
- National Natural Science Foundation of China [51803028, 51702050]
- Open Fund for Key Lab of Guangdong High Property and Functional Macromolecular Materials, China [20190017]
- scientific research start-up fund for high-level talents of Foshan University, China [gg07077]
- Science and Technology Planning Project of Guangdong Province, China [2016A010103005]
- Project of The Pearl River Talent Recruitment Programof Guangdong Province [2017GC010722]
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A novel self-healing zwitterionic hydrogel was, for the first time, designed and prepared by integrating 2-ureido-4[1H] pyrimidinone (UPy) units into the macromolecular chains of a zwitterionic polymer. The prepared UPy-containing zwitterionic hydrogel can autonomously repair occurring incisions or cracks within 1 min at room temperature without the need for any stimulus. The ultra-fast self-healing zwitterionic hydrogel provides a new pathway for constructing smart materials for both experimental research and industrial production. (C) 2020 Elsevier B.V. All rights reserved.
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