Chinese Journal of Applied Chemistry

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Research Progress on Synthesis and Application of Cyclotriphosphazene-based Flame Retardants

YOU Geyun, CHENG Zhiquan, HAO Peng, HE Hongwu*   

  1. (Key Laboratory of Pesticide & Chemical Biology,Ministry of Education,
    College of Chemistry,Central China Normal University,Wuhan 430079,China)
  • Received:2013-10-30 Revised:2014-01-13 Published:2014-09-03 Online:2014-09-03

Abstract: In this paper, the synthesis and reaction mechanism of hexachlorocyclotriphosphazene were briefly introduced. The flame-retardant mechanism of cyclotriphosphazene-based flame retardants was also summarized. The reactive-type hydroxyl, amino, epoxy, alkenyl, and carboxyl, cyclotriphosphazene and the additive-type alkoxy and aryloxy cyclotriphosphazene flame retardants were elaborated on their synthesis and application. The thermal stability and flame retardant properties of cyclotriphosphazene-based flame retardant materials were summarized. The development trend of cyclotriphosphazenebased flame retardants was also summarized and prospected.

Key words: organophosphate flame retardants, hexachlorocyclotriphosphazene, flame-retardant mechanism, reactive-type, additive-type

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