Toward High-Value Circular Pathways for Polymer Waste: Process-Structure-Property Strategies in Mechanical Recycling, Filament Re-Extrusion, and Additive Manufacturing

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dc.contributor.authorGunessu, Hanife Bukre Koc
dc.contributor.authorAtakok, Gurcan
dc.contributor.authorKam, Menderes
dc.date.accessioned2026-07-01T11:39:17Z
dc.date.available2026-07-01T11:39:17Z
dc.date.issued2026
dc.departmentDüzce Üniversitesi
dc.description.abstractThe global polymer waste burden has catalyzed a shift from linear production-use-disposal systems to circular models that prioritize recycling, reuse, and value retention. This article proposes an integrated, technology-ready roadmap for mechanical recycling and reuse of commodity and bio-based polymers via filament re-extrusion and Additive Manufacturing (AM). Building upon recent findings on performance envelopes of virgin vs. recycled Polylactic Acid (PLA) filaments processed by Fused Deposition Modeling (FDM), process parameter sensitivities (layer height, infill density) and their statistical optimization, and functional reinforcement routes (aluminum: Al, alumina: Al2O3, titanium: Ti, and Nano Boron Nitride: nano-BN), we articulate (1) a process-structure-property (PSP) mapping; (2) a low-defect, low-energy filament re-extrusion protocol; and (3) a graded-value strategy for upcycling mixed polymer streams. Across case analyses, we show that recycled PLA can achieve near-parity with virgin PLA when extrusion quality and printing parameters are controlled, and that ceramic/metal nanofillers enable thermal management and biocompatibility benefits crucial for durable reuse scenarios.
dc.identifier.doi10.3390/polym18050607
dc.identifier.issn2073-4360
dc.identifier.issue5
dc.identifier.pmid41829304
dc.identifier.scopus2-s2.0-105032751905
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/polym18050607
dc.identifier.urihttps://hdl.handle.net/20.500.12684/23217
dc.identifier.volume18
dc.identifier.wosWOS:001713531800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofPolymers
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260623
dc.subject[Keyword Not Available]
dc.titleToward High-Value Circular Pathways for Polymer Waste: Process-Structure-Property Strategies in Mechanical Recycling, Filament Re-Extrusion, and Additive Manufacturing
dc.typeReview Article

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