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Efficient polymeric phosphorus flame retardant: flame retardancy, thermal property, and physical property on polylactide

  • Min-Ji Sim
  • Sang-Ho Cha
Original Paper
  • 26 Downloads

Abstract

A novel polymeric flame retardant, PBPP2, for polylactide (PLA) was synthesized via a two-step polymerization process. The flame retardancy of neat PLA and flame-retarded PLA films prepared via solution casting method with different PBPP2 ratios was then investigated. When only the 3 wt% PBPP2 was added to PLA, the limiting oxygen index was increased from 23 to 30%. Additionally, the required V-0 rating was achieved compared to neat PLA. It was also found that PBPP2 increases the maximum thermal decomposition temperature of PLA, indicating that 3 wt% of PBPP2 is sufficient to improve flame retardancy and thermal stability on PLA, simultaneously. From both the decrease in Tm and the increase in elongation for PLA with the 3 wt% addition of PBPP2, PBPP2 could be considered to also function as a plasticizer on PLA.

Keywords

Phosphorus Polymeric flame retardant Polylactide Flame retardancy Thermal stability Processability 

Notes

Acknowledgements

This work was supported by Kyonggi University Research Grant 2016.

Supplementary material

289_2018_2558_MOESM1_ESM.docx (718 kb)
Supplementary material 1 (DOCX 718 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Chemical EngineeringKyonggi UniversitySuwonRepublic of Korea

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