Co-pyrolysis characteristics and flammability ...
Type de document :
Article dans une revue scientifique: Article original
URL permanente :
Titre :
Co-pyrolysis characteristics and flammability of polylactic acid and acrylonitrile-butadiene-styrene plastic blend using TG, temperature-dependent FTIR, Py-GC/MS and cone calorimeter analyses
Auteur(s) :
Wu, Xujuan [Auteur]
Wuhan University of Technology [WHUT]
Bourbigot, Serge [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Li, Kaiyuan [Auteur]
Wuhan University of Technology [WHUT]
Zou, Yanyan [Auteur]
Wuhan University of Technology [WHUT]
Wuhan University of Technology [WHUT]
Bourbigot, Serge [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Li, Kaiyuan [Auteur]
Wuhan University of Technology [WHUT]
Zou, Yanyan [Auteur]
Wuhan University of Technology [WHUT]
Titre de la revue :
Fire Safety Journal
Nom court de la revue :
Fire Safety Journal
Pagination :
103543
Éditeur :
Elsevier BV
Date de publication :
2022-03
ISSN :
0379-7112
Mot(s)-clé(s) en anglais :
PLA
ABS
Co-pyrolysis
FTIR
Py-GC/MS
Cone calorimeter
ABS
Co-pyrolysis
FTIR
Py-GC/MS
Cone calorimeter
Discipline(s) HAL :
Chimie/Polymères
Chimie/Matériaux
Chimie/Matériaux
Résumé en anglais : [en]
The plastic blend (PLA-ABS) of polylactic acid (PLA) and acrylonitrile-butadiene-styrene (ABS) is a promising material with great toughness and environmental-friendly potentials. Nevertheless, little research has focused ...
Lire la suite >The plastic blend (PLA-ABS) of polylactic acid (PLA) and acrylonitrile-butadiene-styrene (ABS) is a promising material with great toughness and environmental-friendly potentials. Nevertheless, little research has focused on PLA-ABS co-pyrolysis and combustion. This work explores the pyrolysis characteristics and flammability of PLA-ABS blend with a mass ratio of 1:1. The thermogravimetric analysis shows that during the co-pyrolysis of PLA-ABS the individual pyrolysis of PLA and ABS is much faster than the corresponding pyrolysis rate of PLA and ABS alone. The FTIR analyses of solid residues indicate that PLA and ABS do not react chemically in the solid phase, hence the volatile products of co-pyrolysis are similar to those of pure materials. Through Py-GC/MS experi-ments, characteristic products of ABS induced by PLA-ABS co-pyrolysis at 330 C were identified where the original ABS has not started to pyrolyze. This finding concludes that the co-pyrolysis enhances the depolymer-ization of components, leading to the characteristic products appearing at a lower temperature. Finally, the cone calorimeter experiments show that the PLA-ABS blend produces the highest peak heat release rate during combustion which is 93%-182% and 5%-15% higher than that of PLA and ABS, respectively. The cone calo-rimeter results further confirm the enhanced depolymerizations induced by co-pyrolysis.Lire moins >
Lire la suite >The plastic blend (PLA-ABS) of polylactic acid (PLA) and acrylonitrile-butadiene-styrene (ABS) is a promising material with great toughness and environmental-friendly potentials. Nevertheless, little research has focused on PLA-ABS co-pyrolysis and combustion. This work explores the pyrolysis characteristics and flammability of PLA-ABS blend with a mass ratio of 1:1. The thermogravimetric analysis shows that during the co-pyrolysis of PLA-ABS the individual pyrolysis of PLA and ABS is much faster than the corresponding pyrolysis rate of PLA and ABS alone. The FTIR analyses of solid residues indicate that PLA and ABS do not react chemically in the solid phase, hence the volatile products of co-pyrolysis are similar to those of pure materials. Through Py-GC/MS experi-ments, characteristic products of ABS induced by PLA-ABS co-pyrolysis at 330 C were identified where the original ABS has not started to pyrolyze. This finding concludes that the co-pyrolysis enhances the depolymer-ization of components, leading to the characteristic products appearing at a lower temperature. Finally, the cone calorimeter experiments show that the PLA-ABS blend produces the highest peak heat release rate during combustion which is 93%-182% and 5%-15% higher than that of PLA and ABS, respectively. The cone calo-rimeter results further confirm the enhanced depolymerizations induced by co-pyrolysis.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
Université de Lille
CNRS
INRAE
ENSCL
CNRS
INRAE
ENSCL
Collections :
Équipe(s) de recherche :
Ingénierie des Systèmes Polymères
Date de dépôt :
2022-08-03T12:23:29Z
2022-08-23T13:32:34Z
2022-08-23T13:32:34Z
Fichiers
- FSJ 2022 - Co-pyrolysis characteristics and flammability of polylactic acid and acrylonitrile-butadiene-styrene plastic blend using TG, temperature-dependent FTIR, Py-GCMS and cone calorimeter analyses.pdf
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- Accès confidentiel 2050-01-01
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