{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T14:07:10Z","timestamp":1789999630819,"version":"4.0.1"},"reference-count":46,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T00:00:00Z","timestamp":1785974400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T00:00:00Z","timestamp":1785974400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Macromol. Rapid Commun."],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    <jats:italic>\u03b1<\/jats:italic>\n                    \u2010Ethylidene\u2010\n                    <jats:italic>\u03b4<\/jats:italic>\n                    \u2010vinyl\u2010\n                    <jats:italic>\u03b4<\/jats:italic>\n                    \u2010valerolactone (EVL), a trifunctional monomer derived from CO\n                    <jats:sub>2<\/jats:sub>\n                    and 1,3\u2010butadiene, provides a versatile platform for the construction of functional polyesters. A furan\u2010functionalized monomer (EVL\u2010FML), synthesized via thiol\u2013Michael addition of EVL, exhibits a low ceiling temperature (\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>c<\/jats:sub>\n                    = \u2212102.4\u00b0C) that precludes its homopolymerization. To overcome this thermodynamic limitation, EVL\u2010FML is copolymerized with the Michael adduct of EVL and 1\u2010propanethiol (EVL\u2010SPr), which possesses a higher\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>c<\/jats:sub>\n                    of \u22122.4\u00b0C. Catalyzed by 1,5,7\u2010Triazabicyclo[4.4.0]dec\u20105\u2010ene (TBD), the ring\u2010opening copolymerization (ROCP) yields polyesters bearing furan groups (PF\u2010x, 0\u201350\u00a0mol%) with number\u2010average molecular weights up to 13.1\u00a0kg\u00a0mol\n                    <jats:sup>\u22121<\/jats:sup>\n                    , and narrow distributions (\n                    <jats:italic>\u00d0<\/jats:italic>\n                    \u00a0&lt;\u00a01.2). Kinetic studies reveal that the ROCP follows pseudo\u2010first\u2010order kinetics, with a reaction order of 0.37 with respect to TBD. The reactivity ratios are determined to be\n                    <jats:italic>r<\/jats:italic>\n                    <jats:sub>EVL\u2010SPr<\/jats:sub>\n                    = 0.94 and\n                    <jats:italic>r<\/jats:italic>\n                    <jats:sub>EVL\u2010FML<\/jats:sub>\n                    = 0.75. Subsequently, maleimide\u2010functionalized (13\u201359 mol%) polyesters (PM\u2010y) are prepared via post\u2010polymerization modification of PEVL\u2010SPr. Thermally reversible covalent adaptable networks (CANs) are constructed through the Diels\u2013Alder reaction between PF\u2010x and PM\u2010y, exhibiting cross\u2010link densities ranging from 110 to 572\u00a0mol\u00a0m\n                    <jats:sup>\u22123<\/jats:sup>\n                    and tensile strengths between 0.42 and 12.45\u00a0MPa. These networks demonstrate excellent self\u2010healing, reprocessability, and inherent degradability, offering a promising pathway toward sustainable functional materials.\n                  <\/jats:p>","DOI":"10.1002\/marc.70398","type":"journal-article","created":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T10:28:19Z","timestamp":1786012099000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Synthesis and Properties of Diels\u2013Alder\u2010Based Covalent Adaptable Networks from CO\n                    <sub>2<\/sub>\n                    and 1,3\u2010Butadiene Derived Polyesters"],"prefix":"10.1002","volume":"47","author":[{"given":"Shenghao","family":"Li","sequence":"first","affiliation":[{"name":"MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering Zhejiang University  Hangzhou 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