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Acta Chimica Sinica >

2012 , Vol. 70 >Issue 02: 190 - 194

DOI: https://doi.org/10.6023/A1105186

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Synthesis and Application of Novel Arborescent Monomolecular P-N Intumescent Flame Retardant

  • LU Lin-Gang ,
  • WANG Xiao ,
  • YANG Shou-Sheng ,
  • DONG Xi-Lin ,
  • TANG Kai ,
  • YU Hou-Jun
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  • a Department of Science and Technology, Chinese People's Armed Police Force Academy, Langfang 065000;
    b Department of Fire Protection Engineering, Chinese People's Armed Police Force Academy, Langfang 065000

Received date: 2011-05-18

  Revised date: 2011-09-09

  Online published: 2012-02-25

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Abstract

The novel arborescent monomolecular P-N intumescent flame retardant hexalis-(4-(5,5-dimehtyl-1,3-dioxaphospho-rinanyl-2-oxy-phosphate-ester-phenoxy))-cyclotriphosphazene (Ⅵ) was synthesized via hexachlorotriphosphazene, 4-methoxyphenol, neopentyl alcohol and phosphous oxychloride by a three step reaction and its structure was identified and studied by FT-IR, 1H NMR and MS analyses. The termogravimetry showed that the novel flame retardant had high thermal stability and excellent char-forming ability. The beginning temperature of the compound VI decomposition was 270 ℃, and the char yield was about 45.2% at 600 ℃ in N2. The results demonstrated that the novel arborescent P-N intumescent flame retardant was effective on the flame retardancy of epoxy resin.

Key words： intumescent flame retardant; synthesis; thermal decomposition; epoxy resin

Cite this article

LU Lin-Gang , WANG Xiao , YANG Shou-Sheng , DONG Xi-Lin , TANG Kai , YU Hou-Jun . Synthesis and Application of Novel Arborescent Monomolecular P-N Intumescent Flame Retardant[J]. Acta Chimica Sinica, 2012 , 70(02) : 190 -194 . DOI: 10.6023/A1105186

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