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Simple synthesis of Biphosphonates with Excellent Flameproofing Properties

  • Cao, Yang (School of Chemistry and Materials Science, Nanjing Normal University) ;
  • Zhang, Weiwei (School of Chemistry and Materials Science, Nanjing Normal University) ;
  • Yang, Xufeng (School of Chemistry and Materials Science, Nanjing Normal University) ;
  • Yang, Jinfei (School of Chemistry and Materials Science, Nanjing Normal University) ;
  • Zhi, Huizhen (School of Chemistry and Materials Science, Nanjing Normal University)
  • Received : 2013.11.10
  • Accepted : 2014.02.12
  • Published : 2014.04.01

Abstract

Four excellent halogen-free biphosphonate flame retardants (EBDMP, EBDEP, MBDMP, MBDEP) were synthesized through polycondensation and Arbuzov rearrangement reactions without using any solvents. The products were characterized by ESI-MS, FT-IR and $^1H$ NMR. The application of EBDEP in polyurethane soft foam was studied and the results illustrated its excellent flame-proofing properties.

Keywords

References

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