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We prepared a series of zwitterionic polymer hydrogels by random copolymerization of zwitterionic ionic monomer (SBMA), cationic monomer (DAC) and hydrophilic monomer (HEMA). The ionic bonds and hydrogen bonds formed in the hydrogels can efficiently dissipate energy and rebuild the network. The resulting hydrogels show high mechanical strength (289\u2013396\u2005KPa of fracture stress, 433\u2013864\u2009% of fracture stress) and have great fatigue resistance. The hydrogel with a 1\u2009:\u20091 molar ratio of SBMA:DAC possesses the best self\u2010healing properties (self\u2010healing efficiency up to 96.5\u2009% at room temperature for 10\u2005h). The self\u2010healing process is completely spontaneous and does not require external factors to assist. In addition, the hydrogel also possesses notch insensitivity with a fracture energy of 12000\u2005J\u2009m<jats:sup>\u22122<\/jats:sup>. After combining the conductivity of RGO aerogel, the hydrogel\/RGO composites show good strain sensitivity with high reliability and self\u2010healing ability, which has certain significance in broadening the application of these zwitterionic hydrogels.<\/jats:p>","DOI":"10.1002\/cplu.202000520","type":"journal-article","created":{"date-parts":[[2020,9,21]],"date-time":"2020-09-21T15:21:09Z","timestamp":1600701669000},"page":"2158-2165","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Fatigue\u2010Resistant, Notch\u2010Insensitive Zwitterionic Polymer Hydrogels with High Self\u2010Healing Ability"],"prefix":"10.1002","volume":"85","author":[{"given":"Jianbo","family":"Yang","sequence":"first","affiliation":[{"name":"School of Chemistry and Chemical Engineering Qilu University of Technology (Shandong Academy of Sciences)  Jinan 250353 P. R. 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