{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T22:21:53Z","timestamp":1792794113681,"version":"4.5.0"},"reference-count":53,"publisher":"Wiley","issue":"27","license":[{"start":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T00:00:00Z","timestamp":1622505600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Basic Research Program of China","doi-asserted-by":"publisher","award":["2018YFC1105401"],"award-info":[{"award-number":["2018YFC1105401"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Spider silk is one of the most robust natural materials, which has extremely high strength in combination with great toughness and good elasticity. Inspired by spider silk but beyond it, a healable and recyclable supramolecular elastomer, possessing superhigh true stress at break (1.21\u00a0GPa) and ultrahigh toughness (390.2\u00a0MJ m\n                    <jats:sup>\u22123<\/jats:sup>\n                    ), which are, respectively, comparable to and \u22482.4 times higher than those of typical spider silk, is developed. The elastomer has the highest tensile strength (ultimate engineering stress, 75.6\u00a0MPa) ever recorded for polymeric elastomers, rendering it the strongest and toughest healable elastomer thus far. The hyper\u2010robust elastomer exhibits superb crack tolerance with unprecedentedly high fracture energy (215.2\u00a0kJ m\n                    <jats:sup>\u22122<\/jats:sup>\n                    ) that even exceeds that of metals and alloys, and superhigh elastic restorability allowing dimensional recovery from elongation over 12 times. These extraordinary mechanical performances mainly originate from the meticulously engineered hydrogen\u2010bonding segments, consisting of multiple acylsemicarbazide and urethane moieties linked with flexible alicyclic hexatomic spacers. Such hydrogen\u2010bonding segments, incorporated between extensible polymer chains, aggregate to form geometrically confined hydrogen\u2010bond arrays resembling those in spider silk. The hydrogen\u2010bond arrays act as firm but reversible crosslinks and sacrificial bonds for enormous energy dissipation, conferring exceptional mechanical robustness, healability, and recyclability on the elastomer.\n                  <\/jats:p>","DOI":"10.1002\/adma.202101498","type":"journal-article","created":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T23:51:22Z","timestamp":1622591482000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":621,"title":["Healable and Recyclable Elastomers with Record\u2010High Mechanical Robustness, Unprecedented Crack Tolerance, and Superhigh Elastic Restorability"],"prefix":"10.1002","volume":"33","author":[{"given":"Zequan","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University  Changchun 130012 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