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The reactive extrusion process reduces plasticizer migration, lowering values from 140.3\u00a0mg\u00a0kg\n                    <jats:sup>\u22121<\/jats:sup>\n                    in PLA\u2010PEG films to 40.8\u00a0mg\u00a0kg\n                    <jats:sup>\u22121<\/jats:sup>\n                    in films processed with reactive extrusion (PLA\u2010PEG\u2010R). This substantial reduction enables the safe use of these materials in food\u2010contact applications. Thermal stability is also enhanced, with degradation temperatures rising from 268.7\u00a0\u00b0C in PLA\u2010PEG to 333.8\u00a0\u00b0C in PLA\u2010DCP systems. Additionally, the glass transition temperature (Tg) decreases to 38.3\u00a0\u00b0C, enhancing material ductility. The films retain certain transparency despite slight alterations in optical properties, and their increased water vapor permeability can be beneficial for applications in food packaging applications. These findings demonstrate that reactive extrusion (REX) with PEG\u2010based plasticizers improves PLA's mechanical, thermal, and functional properties, broadening its industrial application while preserving its environmental advantages.\n                  <\/jats:p>","DOI":"10.1002\/marc.202401130","type":"journal-article","created":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T07:24:39Z","timestamp":1747725879000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Enhancing Polylactic Acid Films With Polyethylene Glycol\u2010Based Plasticizers: A Reactive Extrusion Approach"],"prefix":"10.1002","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-8250-9363","authenticated-orcid":false,"given":"Carlos","family":"Lazaro\u2010Hdez","sequence":"first","affiliation":[{"name":"Instituto Universitario de Investigaci\u00f3n de Tecnolog\u00eda de Materiales (IUITM) Universitat Polit\u00e8cnica de 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