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Rapid Commun."],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Epoxy systems are essential in numerous industrial applications due to their exceptional mechanical properties, thermal stability, and chemical resistance. Yet, recycling epoxy networks and reinforcing materials in epoxy composites remains challenging, raising environmental concerns. The critical challenge is the recovery of well\u2010defined molecules upon depolymerization. To address these issues, an innovative strategy is developed utilizing imine\u2010containing secondary amine hardener (\n                    <jats:bold>M1<\/jats:bold>\n                    ). The reaction of\n                    <jats:bold>M1<\/jats:bold>\n                    with DGEBA produced high\u2010performance epoxy thermoset\n                    <jats:bold>P1<\/jats:bold>\n                    , which exhibits Young's modulus of 2.18 GPa and tensile strength of 63.4 MPa, and excellent stability in neutral aqueous conditions. Upon carbon\u2010fiber reinforcement, Young's modulus and tensile strength are significantly elevated to 10.99\u00a0GPa and 328.3\u00a0MPa, respectively. The reactive secondary amine functionalities enabled the tailored network to display a well\u2010defined growth pattern, yielding only well\u2010defined molecules and intact carbon fibers upon acidic depolymerization. Consequently, the recycled polymers retained properties identical to those of\n                    <jats:bold>P1<\/jats:bold>\n                    . Notably, it is discovered that despite the cross\u2010linked nature of the epoxy networks, complete dissolution in dichloromethane facilitated straightforward solvent\u2010based recycling, allowing the recovery of undamaged carbon fibers and an epoxy thermoset with properties matching the virgin material. Presented novel monomer design and approach showcased two important and efficient recycling options for epoxy systems.\n                  <\/jats:p>","DOI":"10.1002\/marc.202400678","type":"journal-article","created":{"date-parts":[[2024,11,9]],"date-time":"2024-11-09T07:58:52Z","timestamp":1731139132000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Chemical and Solvent\u2010Based Recycling of DGEBA\u2010Based Epoxy Thermoset and Carbon\u2010Fiber Reinforced Epoxy Composite Utilizing Imine\u2010Containing Secondary Amine Hardener"],"prefix":"10.1002","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1526-1994","authenticated-orcid":false,"given":"\u00d6zg\u00fcn","family":"Da\u011flar","sequence":"first","affiliation":[{"name":"Polymer Performance Materials Group Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems (ICMS) Eindhoven University of Technology Eindhoven 5600 MB The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5797-4269","authenticated-orcid":false,"given":"Tankut","family":"T\u00fcrel","sequence":"additional","affiliation":[{"name":"Polymer Performance Materials Group Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems (ICMS) Eindhoven University of Technology Eindhoven 5600 MB The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1852-2558","authenticated-orcid":false,"given":"Christos","family":"Pantazidis","sequence":"additional","affiliation":[{"name":"Polymer Performance Materials Group Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems (ICMS) Eindhoven University of Technology Eindhoven 5600 MB The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7944-5728","authenticated-orcid":false,"given":"\u017deljko","family":"Tomovi\u0107","sequence":"additional","affiliation":[{"name":"Polymer Performance Materials Group Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems (ICMS) Eindhoven University of Technology Eindhoven 5600 MB The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,11,9]]},"reference":[{"key":"e_1_2_7_1_1","volume-title":"Thermosets: Structure, Properties, and Applications","author":"Guo Q.","year":"2017"},{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacsau.2c00120"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/asia.202300373"},{"key":"e_1_2_7_4_1","volume-title":"In Ullmann's Encyclopedia of Industrial Chemistry","author":"Pham H. 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