Synthesis of phosphorus-based flame retardant systems and their use in an epoxy resin

A. Toldy, N. Tóth, P. Anna, G. Marosi

Research output: Contribution to journalArticle

63 Citations (Scopus)


Methods are proposed to synthesize efficient organophosphorous compounds and combine them with montmorillonite nanoparticles. The chemical-physical structure and mechanism of action of the new systems were studied in epoxy resin. Best results were achieved using the fully phosphorylated calixresorcinarene derivative: the heat release rate peak could be decreased by 61% and the LOI value was increased from 21 to 28. The salt form of additives in case of phosphorylated phloroglucine derivatives was not advantageous in epoxy resin, because the additives could not participate in the crosslinking process effectively due to their inhomogenous distribution in the matrix. The incorporation of the nanoparticles did not create the desired flame retardant effect which can be explained by the increased heat conductivity and lower mobility of the nanoparticles due to the crosslinked structure.

Original languageEnglish
Pages (from-to)585-592
Number of pages8
JournalPolymer Degradation and Stability
Issue number3
Publication statusPublished - Mar 1 2006


  • Cone calorimetry
  • Epoxy resin
  • Intercalated montmorillonite
  • Organophosphorous flame retardant

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Polymers and Plastics
  • Materials Chemistry

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