Flame retardant behavior of multi-scale layered PBT/IFR composites

Flame retardant behavior of multi-scale layered PBT/IFR composites

This study first prepared a layered intumescent flame retardant (IFR)-graphene oxide (GO). Then, the multi-scale polybutylene terephthalate (PBT) composites were prepared by introducing glass fiber (GF), boron nitride (BN), and nano SiO2 flame retardant synergists of different shapes and sizes. The...

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Bibliographic Details
Main Authors: Jianbin Li, Yueling Chen, Jie Sun, Sheng Zhang, Jingbiao Ye, Ying Jin, Zhengqiu Li, Baoshu Chen
Format: Article
Language:English
Published: Elsevier 2023-03-01
Series:Polymer Testing
Subjects:
Polymer-matrix composites
Flame retardant synergist
Flame retardancy
Microstructure control
Online Access:http://www.sciencedirect.com/science/article/pii/S014294182300048X
Description
Summary:This study first prepared a layered intumescent flame retardant (IFR)-graphene oxide (GO). Then, the multi-scale polybutylene terephthalate (PBT) composites were prepared by introducing glass fiber (GF), boron nitride (BN), and nano SiO2 flame retardant synergists of different shapes and sizes. The results showed that the SiO2-containing composites displayed excellent flame resistance with a flame retardant grade of V-0 and a limiting oxygen index (LOI) of 32%. The IFR-GO, PBT, and SiO2 formed a multi-scale network structure where the three additives interacted via hydrogen bonding, catalyzing charring in situ. Finally, the composites were obtained with an excellent flame retardant grade and droplet resistance properties.
ISSN:0142-9418

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