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Translating Flame Retardant Strategies: Analogy from Polyolefins and Bisphenol A polycarbonates to Poly(limonene carbonate)

  • Poly(limonene carbonate)—PLimC—offers a novel sustainable alternative to traditional polymers, as it is derived from renewable limonene and carbon dioxide as monomers. Proposing PLimC as a future technical polymer for applications in electrical and electronic (E&E) devices, construction, and transportation, PLimC must meet specific fire prevention standards to be deemed suitable. Starting from the chemical structure of PLimC, strategies in analogy to flame retarded bisphenol A polycarbonates (PC), PC blends, and polyolefins (PO) are investigated to identify the most effective route to enhance the flame resistance of PLimC. This study utilized four halogen-free flame-retardant (FR) systems: APP + pentaerythritol (standard intumescent system in PO), a phosphorus flame retardant+PTFE as anti-dripping agent (used in PC blends), metal hydroxide ATH (widely used in PO), and potassium sulfonate salt (specific solution for PC). Applying these FRs at typical PC, PC blends, and POPoly(limonene carbonate)—PLimC—offers a novel sustainable alternative to traditional polymers, as it is derived from renewable limonene and carbon dioxide as monomers. Proposing PLimC as a future technical polymer for applications in electrical and electronic (E&E) devices, construction, and transportation, PLimC must meet specific fire prevention standards to be deemed suitable. Starting from the chemical structure of PLimC, strategies in analogy to flame retarded bisphenol A polycarbonates (PC), PC blends, and polyolefins (PO) are investigated to identify the most effective route to enhance the flame resistance of PLimC. This study utilized four halogen-free flame-retardant (FR) systems: APP + pentaerythritol (standard intumescent system in PO), a phosphorus flame retardant+PTFE as anti-dripping agent (used in PC blends), metal hydroxide ATH (widely used in PO), and potassium sulfonate salt (specific solution for PC). Applying these FRs at typical PC, PC blends, and PO loadings, we aim to understand their effect on PLimC and evaluated the different flame-retardant routes. Our experimental evaluations focused on the thermal properties, flammability, and fire behavior of each system. ATH emerged as the most effective, reducing the effective heat of combustion from 29.3 MJ kg⁻¹ to 18.6 MJ kg⁻¹ and the total heat evolved from 95 to 55 MJ m⁻². It also resulted in an increase in the limiting oxygen index from 17.1 to 26 vol.-% O2, along with a UL 94 HB40 rating. The intumescent system also exhibited considerable flame retardancy, highlighting the similarity of PLimC’s fire behavior to that of PO rather than PCzeige mehrzeige weniger

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Metadaten
Autor*innen:Jose P. Chacon Castro, Bernhard SchartelORCiD
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Polymer Degradation and Stability
Jahr der Erstveröffentlichung:2025
Organisationseinheit der BAM:7 Bauwerkssicherheit
7 Bauwerkssicherheit / 7.5 Technische Eigenschaften von Polymerwerkstoffen
Veröffentlichende Institution:Bundesanstalt für Materialforschung und -prüfung (BAM)
Verlag:Elsevier Ltd.
Jahrgang/Band:242
Aufsatznummer:111711
Erste Seite:1
Letzte Seite:18
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Flame retardancy; Intumescent systems; Metal hydroxides; Phosphorus flame retardants; Poly(limonene carbonate); Sulfonate salts; Sustainability
Themenfelder/Aktivitätsfelder der BAM:Infrastruktur
Infrastruktur / Fire Science
Umwelt
Umwelt / Circular Economy
DOI:10.1016/j.polymdegradstab.2025.111711
URN:urn:nbn:de:kobv:b43-643257
ISSN:1873-2321
ISSN:0141-3910
Verfügbarkeit des Dokuments:Datei für die Öffentlichkeit verfügbar ("Open Access")
Lizenz (Deutsch):License LogoCreative Commons - CC BY - Namensnennung 4.0 International
Datum der Freischaltung:13.10.2025
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:27.10.2025
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