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Radical Addition Reaction of Phosphorous based Flame Retardant with End Groups of PET (2) - Reaction of Resorcinol bis(diphenyl phosphate) -

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2012, 24(1), pp.39-44
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

김한도 1 손광호 2 Minkwan Kim 1

1경북대학교
2김천대학교

Accredited

ABSTRACT

To improve flame retardation of poly(ethylene terephthalate) (PET) against burning, resorcinol bis(diphenyl phosphate) (RDP), phosphorous containing flame retardant, was incorporated into PET backbone by radical reaction pathway. Radical endcapping of PET with RDP was confirmed by spectroscopic and thermal analysis. From 400 MHz 31P solid state FT-NMR spectrum of PET with RDP (PET-RDP), phosphorus spectra peak in RDP was found at ca. -10 ppm. Furthermore, P-C bond stretching vibration peaks were found ca. 530 cm-1 in FT-IR spectrums of PET-RDP. These results indicated that RDP can be chemically bound at the ends of PET by radical addition method. Thermal characteristics of pure PET (pPET) and PET-RDP were measured and evaluated by TGA thermal analysis. There was not significant changes in thermal characteristics of PET-RDP compared to that of pPET.

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