{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:00:33Z","timestamp":1790416833501,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T00:00:00Z","timestamp":1789862400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T00:00:00Z","timestamp":1789862400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22293011"],"award-info":[{"award-number":["22293011"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2026,9,28]]},"abstract":"<jats:p>\n                    Sustainable bio\u2010based polyurethanes (PUs) combining high strength, high toughness, fatigue resistance, and stimuli\u2010responsive properties are highly desirable for flexible electronics, biomedical engineering, and anticounterfeiting applications. However, overcoming the conventional trade\u2010off between strength and toughness through hydrogen\u2010bond network engineering remains a formidable challenge. Herein, we report a soft\u2013hard phase microinfiltration strategy by introducing varying amounts of poly(hexamethylene 2,5\u2010furandicarboxylate) (PHF) into the PUs matrix. The ester groups of PHF gradually infiltrate from the soft\u2013hard interface to the hard domain through competitive interactions with the inherent hydrogen\u2010bond network. The hydrogen\u2011bond network restructuring induced by this microinfiltration process enables the BFPU\u201110 elastomer to achieve its optimal mechanical performance: a tensile strength of 12.49\u2009\u00b1\u20090.81\u2009MPa, an elongation at break of 1410\u2009\u00b1\u200941.74%, and a toughness of 71.83\u2009\u00b1\u20094.75\u2009MJ\u2009m\n                    <jats:sup>\u22123<\/jats:sup>\n                    . In addition, spatial confinement imposed by tertiary amine groups and the rigid furan skeleton give the BFPU\u2010\n                    <jats:italic>x<\/jats:italic>\n                    elastomers intrinsic blue aggregation\u2010induced emission and reversible optical responses to temperature and mechanical strain. This research presents a molecular design strategy for restructuring the hydrogen\u2010bond network in sustainable PUs and provides a new pathway for the development of elastomers with high mechanical robustness and sensitive optical responsiveness.\n                  <\/jats:p>","DOI":"10.1002\/cssc.71056","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T06:22:48Z","timestamp":1789971768000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Soft\u2013Hard Phase Microinfiltration Enables Tunable Hydrogen\u2010Bond Network in High\u2010Performance Bio\u2010Based Polyurethanes"],"prefix":"10.1002","volume":"19","author":[{"given":"Xueli","family":"Liu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Precision and Intelligent Chemistry Anhui Province Key Laboratory of Biomass Chemistry University of Science and Technology of China  Hefei Anhui 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