error
Kurzer Serviceunterbruch am Donnerstag, 15. Januar 2026, 12 bis 13 Uhr. Sie können in diesem Zeitraum keine neuen Dokumente hochladen oder bestehende Einträge bearbeiten. Das Login wird in diesem Zeitraum deaktiviert. Grund: Wartungsarbeiten // Short service interruption on Thursday, January 15, 2026, 12.00 – 13.00. During this time, you won’t be able to upload new documents or edit existing records. The login will be deactivated during this time. Reason: maintenance work
 

Journal: Polymer Degradation and Stability

Abbreviation

Polym. degrad. stab.

Publisher

Elsevier

Journal Volumes

ISSN

0141-3910
1873-2321

Description

Filters

Reset filters

Search Results

Publications 1 - 8 of 8
  • Influence of testing conditions on the performance and durability of polymer stabilisers in thermal oxidation
    Item type: Conference Paper
    Pospı́šil, J.; Horák, Z.; Pilař, J.; et al. (2003)
    Polymer Degradation and Stability
  • Formation and decay of radicals during Vacuum-UV irradiation of poly(dimethylsiloxane)
    Item type: Journal Article
    Schilinsky, Laura; Jeschke, Gunnar; Tschaggelar, René; et al. (2017)
    Polymer Degradation and Stability
  • Kinetics of the hydrolytic degradation of poly(lactic acid)
    Item type: Journal Article
    Codari, F.; Lazzari, S.; Soos, M.; et al. (2012)
    Polymer Degradation and Stability
  • Bridged DOPO derivatives as flame retardants for PA6
    Item type: Journal Article
    Buczko, Aleksandra; Stelzig, Timea; Bommer, Lea; et al. (2014)
    Polymer Degradation and Stability
  • Coumarin-DPPO a new bio-based phosphorus additive for poly(lactic acid): Processing and flame retardant application
    Item type: Journal Article
    Roncucci, Daniele; Augé, Marie-Odile; Dul, Sithiprumnea; et al. (2024)
    Polymer Degradation and Stability
    This study addresses very important aspects of the sustainable development of new flame retardant materials: (i) the preparation of a novel flame retardant (FR) additive from bio-resource, (ii) its use as FR additive in poly(lactic acid) (PLA) based composites and, (iii) the in vitro toxicity assessment of the FR. The synthesis of this bio-based FR additive was achieved through a phospha-Michael addition of diphenylphosphine oxide (DPPO) and the naturally occurring compound coumarin, yielding 4-(diphenylphosphoryl)chroman-2-one (CU-DPPO). The flame-retarded CU-DPPO PLA composites were prepared either via conventional melt blending of commercially available PLA or through reactive extrusion (REX) of L-lactide. Characterization of the composites was performed through nuclear magnetic resonance (NMR), size exclusion chromatography (SEC) and thermogravimetric analysis (TGA). TGA analysis of the FR-PLA composites showed an increase in thermal stability, confirming the beneficial effect of the CU-DPPO additive. Direct insertion probe mass spectrometry (DIP-MS) analysis was used to gain insight on the mechanism of action of the FR additive, suggesting gas-phase activity. Rheological measurements exhibited the thermo-oxidative stabilizing effect in the modified PLA. The flame retardancy of the melt-blended PLA composites with CU-DPPO was investigated by limited oxygen index (LOI), cone calorimetry and vertical burning tests (UL 94 and BKZ-VB). Samples containing 10 wt.% of CU-DPPO showed improved fire performance with a limiting oxygen index (LOI) of 29%, passing Swiss vertical burning test (BKZ-VB) and obtaining a V-0 rating in the UL 94 test. Moreover, a preliminary toxicity assessment of the CU-DPPO, carried out using an established in vitro platform, showing no adverse effects on cell viability.
  • Thermal decomposition mechanisms of phosphorus flame retardants: A combined theoretical and experimental approach
    Item type: Journal Article
    Chen, Jiuke; Lehner, Sandro; Teng, Sin Yong; et al. (2025)
    Polymer Degradation and Stability
    Phosphorus flame retardants (PFRs) are one of the main candidates for a fully organic, sustainable replacement to traditional halogenated FRs. However, their unexpected decomposition remains an open challenge hindering their full potential for sustainable applications in polymers. To address this issue, thermal decomposition of two common PFRs, namely 6H-Dibenz[c,e][1,2]oxaphosphorin, 6-[(1-oxido-2,6,7-trioxa-1-phospha bicyclo[2.2.2]oct‑4-yl)methoxy]-, 6-oxide (DOPO-PEPA) and Aflammit PCO 900 (AF), was studied using density functional theory (DFT) coupled with experimental methods, particularly the direct inlet probe-mass spectrometry (DIP-MS). The DIP-MS spectra were processed and analyzed using algorithms to identify potential decomposition products of DOPO-PEPA and AF. Under inert atmospheric conditions, bond dissociation and proton attack were identified as the predominant decomposition pathways. Geometries of intermediates, transition states, and products along potential energy surfaces were identified through DFT calculations. For DOPO-PEPA, the dissociation of the C[sbnd]O bond linking the DOPO and PEPA moieties was identified as the most kinetically favored dissociation pathway; while for AF, bond dissociation was found energetically demanding. On the other hand, protonation processes demonstrate more dependence on the availability of protons. Cross-validating computational results with experimental observations verified the pathways through which DOPO-PEPA and AF release phosphorus-containing species and other decomposition products. Benefitting from a combination of fundamental molecular models and experimental evidence, this study provides new insights into the molecular mechanisms of thermal degradation of PFRs, thus providing a template for developing new FRs with enhanced thermal stability.
  • Stability of polystannanes towards light
    Item type: Journal Article
    Trummer, Markus; Nauser, Thomas; Lechner, Marie-Luise; et al. (2011)
    Polymer Degradation and Stability
  • Modeling the pH-dependent PLA oligomer degradation kinetics
    Item type: Journal Article
    Lazzari, S.; Codari, F.; Storti, G.; et al. (2014)
    Polymer Degradation and Stability
Publications 1 - 8 of 8