Title :

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

Author(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]

Journal title :

Fire Safety Journal

Abbreviated title :

Fire Safety Journal

Pages :

103543

Publisher :

Elsevier BV

Publication date :

2022-03

ISSN :

0379-7112

English keyword(s) :

PLA
ABS
Co-pyrolysis
FTIR
Py-GC/MS
Cone calorimeter

HAL domain(s) :

Chimie/Polymères
Chimie/Matériaux

English abstract : [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 ...
Show more >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.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Administrative institution(s) :

Université de Lille
CNRS
INRAE
ENSCL

Collections :

• Unité Matériaux et Transformations (UMET) - UMR 8207

Research team(s) :

Ingénierie des Systèmes Polymères

Submission date :

2022-08-03T12:23:29Z
2022-08-23T13:32:34Z