A novel macromolecular phosphorus-nitrogen containing flame retardant for polycarbonate

Zhao, Zexi; Zhang, Zhiyong; Sun, Caiying; Xu, Miaojun; Li, Bin

doi:10.1016/j.polymdegradstab.2023.110648

Polymer Degradation and Stability

2024

DOI: 10.1016/j.polymdegradstab.2023.110648

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A novel macromolecular phosphorus-nitrogen containing flame retardant for polycarbonate

Zexi Zhao,

Zhiyong Zhang,

Caiying Sun

et al.

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2024

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Cited by 11 publications

References 47 publications

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Synergistic flame retardancy of aluminum diethylphosphinate and piperazine pyrophosphate/β‐cyclodextrin in polylactic acid

Hu,

Wang,

Lai

et al. 2024

J of Applied Polymer Sci

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Polylactic acid has good biodegradability and processability, but its flammability and serious droplet characteristics limit its development and application. Therefore, developing safer flame‐retardant PLA materials is crucial. This research develops a novel flame‐retardant polylactic acid (PLA) material blend, utilizing aluminum diethylphosphinate (AlPi), piperazine pyrophosphate (PAPP), and β‐cyclodextrin. Optimal synergy occurs at a 5:1 PAPP/β‐CD mass ratio with 4 wt.% AlPi. This combination significantly reduces the heat release peak from 294.89 to 144.21 kW·m−2 and generates non‐combustible residues. The sample forms a stable, uniform carbon layer during combustion due to hydrogen bond crosslinking and Lewis acid–base reactions. The activation energy (Eα) is raised from 264.99 to 281.08 kJ·mol−1 between 312 and 402°C. Thus, an AlPi‐PAPP‐β‐CD based P‐C‐N composite flame retardant is investigated, offering a promising research direction for developing fire‐safe polylactic acid materials. This research may yield valuable insights for diverse applications.

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Synergistic flame retardancy of aluminum diethylphosphinate and piperazine pyrophosphate/β‐cyclodextrin in polylactic acid

Hu,

Wang,

Lai

et al. 2024

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

Excellent flame-retardant polycarbonate composites with improved notched impact toughness via introducing imine-functionalized polysiloxane

Zhu,

Yu,

You

et al. 2024

Composites Part A: Applied Science and Manufacturing

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Nanostructured flame retardants: An overview

Rodrigues,

Shimpi

2024

Nano-Structures & Nano-Objects

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A novel macromolecular phosphorus-nitrogen containing flame retardant for polycarbonate

Cited by 11 publications

References 47 publications

Synergistic flame retardancy of aluminum diethylphosphinate and piperazine pyrophosphate/β‐cyclodextrin in polylactic acid

Synergistic flame retardancy of aluminum diethylphosphinate and piperazine pyrophosphate/β‐cyclodextrin in polylactic acid

Excellent flame-retardant polycarbonate composites with improved notched impact toughness via introducing imine-functionalized polysiloxane

Nanostructured flame retardants: An overview

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