Title :

Improvement of Flame Retardancy and Antidripping Properties of Intumescent Polybutylene Succinate Combining Piperazine Pyrophosphate and Zinc Borate

Author(s) :

Xiao, Fei [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Fontaine, Gaelle [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
1002334|||Unité Matériaux et Transformations - UMR 8207 [UMET]
120930|||Centrale Lille
Bourbigot, Serge [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207

Journal title :

ACS Applied Polymer Materials

Abbreviated title :

ACS Appl. Polym. Mater.

Volume number :

4

Pages :

1911-1921

Publisher :

American Chemical Society (ACS)

Publication date :

2022-02-18

ISSN :

2637-6105

English keyword(s) :

intumescent flame retardant
polybutylene succinate
piperazine pyrophosphate
zinc borate
synergy

HAL domain(s) :

Chimie/Matériaux
Chimie/Polymères

English abstract : [en]

Developing flame-retarded polybutylene succinate (PBS) is a challenging task owing to its high flammability, noncharring, and melt-dripping during burning. In this work, based on the synergistic combination between piperazine ...
Show more >Developing flame-retarded polybutylene succinate (PBS) is a challenging task owing to its high flammability, noncharring, and melt-dripping during burning. In this work, based on the synergistic combination between piperazine pyrophosphate (PAPP) and zinc borate (ZnB), a promising intumescent PBS system was developed as an efficient strategy to impart PBS with improved flame retardancy and antidripping properties. The results showed that PBS/PAPP15%/ZnB5% passed V-0 rating in the UL-94 vertical burning test (3 mm), while only a V-2 rating was achieved for PBS/PAPP20%. Compared to PBS/PAPP20%, the combination of PAPP and zinc borate (ratio of 15:5) led to significant reductions in the peak heat release rate (pHRR, −55%), fire growth rate index (FIGRA, −40%), and maximum average rate of heat emission (MARHE, −47%) evaluated by mass loss cone calorimetry. Meanwhile, the flame retardancy index of PBS/PAPP15%/ZnB5% reached up to 5.18 and the flameout time significantly increased to 1049 s. Fourier transform infrared and solid-state nuclear magnetic resonance analyses were employed to gain insight into the reaction-to-fire mechanism in the condensed phase. The results confirmed the fact that the formation of a crack-free protective intumescent char layer, reinforced by thermally stable inorganic species (boron–zinc phosphates), effectively restricted the heat and fuel transfer between condensed and gas phases, hence resulting in the excellent enhancement in flame retardancy.Show less >

Language :

Anglais

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 :

2022-05-02T09:07:18Z
2022-05-04T08:41:16Z