Effect of addition of aluminum phosphinate as fire retardant in a PBT vitrimer - Archive ouverte HAL
Article Dans Une Revue Polymer Année : 2024

Effect of addition of aluminum phosphinate as fire retardant in a PBT vitrimer

Résumé

This work investigates the effect of flame-retardant additives on the thermo-mechanical and dynamic properties of poly(butylene terephthalate) (PBT) vitrimers. The vitrimers were synthesized and compounded in a single step by reactive extrusion from commercially available PBT, an epoxy resin, a zinc-based transesterification catalyst, and aluminum phosphinate (AlPi) as a conventional flame retardant additive. We demonstrated that the presence of AlPi in relatively large amount (20 wt.-%) is compatible with the formation of the vitrimer network and does even play the role of a transesterification (co)catalyst accelerating the exchange reactions and improving the processability of the vitrimer. UL-94 flammability tests also confirm the effective role of AlPi as flame retardant in vitrimer.
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Dates et versions

hal-04343243 , version 1 (13-12-2023)

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Louis Meunier, Damien Montarnal, David Fournier, Valérie Gaucher, Sophie Duquesne, et al.. Effect of addition of aluminum phosphinate as fire retardant in a PBT vitrimer. Polymer, 2024, 290, pp.126559. ⟨10.1016/j.polymer.2023.126559⟩. ⟨hal-04343243⟩
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