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Journal of Polymer Research

, Volume 18, Issue 3, pp 425–433 | Cite as

Synthesis of a novel intumescent flame retardant and its flame retardancy in polypropylene

  • Kun Wu
  • Min-Min Shen
  • Yuan Hu
Original Paper

Abstract

Microencapsulated ammonium polyphosphate (GMFAPP) is prepared by in situ polymerization method with a shell of poly(ethylene glycol) modified melamine-formaldehyde resin. Due to the presence of shell, GMFAPP shows less size, higher water resistance and flame retardancy in polypropylene (PP) compared with ammonium polyphosphate (APP). The flame retardant action of GMFAPP and APP in PP are studied using LOI, UL-94 and cone calorimeter, and their thermal stability is evaluated by thermogravimetric apparatus. The limiting oxygen index (LOI) value of the PP/GMFAPP at the same loading is higher than the value of PP/APP. UL-94 ratings of PP/GMFAPP can reach V-0 at 30 wt% loading. The water resistant properties of the PP composites are studied, and the results of the composites containing with APP and GMFAPP are compared. The cone results put forward that GMFAPP is an effective flame retardant in PP compared with APP. Moreover, the thermal oxidative behavior of GMFAPP is evaluated by dynamic FTIR to study its flame retardant mechanism in PP.

Keywords

Microencapsulation Ammonium polyphosphate Poly(ethylene glycol) PP Intumescent flame retardation Thermal degradation 

Notes

Acknowledgements

The financial supports from the Teamwork Projects Funded by Guangdong Natural Science Foundation (No. E06200692) and Scientific Research Foundation for Doctor of Guangzhou Institute of Chemistry, Chinese Academy of Sciences (No. QD3) are acknowledged.

References

  1. 1.
    Pandey JK, Reddy KR, Kumar AP, Singh RP (2005) Polym Degrad Stab 88:234–250CrossRefGoogle Scholar
  2. 2.
    Chen XL, Yu J, He M, Guo SY, Luo Z, Lu SJ (2009) J Polym Res 16:357–362CrossRefGoogle Scholar
  3. 3.
    Zhang S, Horrocks AR (2003) Prog Polym Sci 28:1517–1538CrossRefGoogle Scholar
  4. 4.
    Wang JC, Yang K, Zheng XY (2009) J Polym Res 16:427–436CrossRefGoogle Scholar
  5. 5.
    Lv P, Wang ZZ, Hu Y, Yu MG (2009) J Polym Res 16:81–89CrossRefGoogle Scholar
  6. 6.
    Chen XL, Jiao CM (2009) J Polym Res 16:537–543CrossRefGoogle Scholar
  7. 7.
    Bourbigot S, Le Bras M, Duquesne S, Rochery M (2004) Macromol Mater Eng 289:499–511CrossRefGoogle Scholar
  8. 8.
    Wu K, Song L, Wang ZZ, Hu Y (2009) J Polym Res 16:283–294CrossRefGoogle Scholar
  9. 9.
    Bugajny M, Bourbigot S, Le Bras M (1999) Polym Int 48:264–270CrossRefGoogle Scholar
  10. 10.
    Wu Q, Lv JP, Qu BJ (2003) Polym Int 52:1326–1331CrossRefGoogle Scholar
  11. 11.
    Luo WJ, Li SM, Bei JZ, Wang SG (2002) J Appl Polym Sci 84:1729–1736CrossRefGoogle Scholar
  12. 12.
    Camino G, Grassie N, McNeill IC (1978) J Polym Sci Pol Chem 16:95–106CrossRefGoogle Scholar
  13. 13.
    Peng HQ, Zhou Q, Wang DY, Chen L, Wang YZ (2008) J Ind Eng Chem 14:589–595Google Scholar
  14. 14.
    Li B, Jia H, Guan LM, Bing BC, Dai JF (2009) J Appl Polym Sci 114:3626–3635CrossRefGoogle Scholar
  15. 15.
    Colthup NB, Daly LH, Wiberley SE (1990) Introduction to infrared and Raman spectroscopy, 2nd edn. Academic Press, BostonGoogle Scholar

Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of ChemistryChinese Academy of SciencesGuangzhouChina
  2. 2.State Key Laboratory of Fire ScienceUniversity of Science and Technology of ChinaHefeiChina

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