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http://dx.doi.org/10.5764/TCF.2012.24.1.39

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

Kim, Min-Kwan (Department of Advanced Organic Materials Science and Engineering, Kyungpook National University)
Sohn, Kwang-Ho (Department of Fire Protection Engineering, Gymcheon University)
Ghim, Han-Do (Department of Advanced Organic Materials Science and Engineering, Kyungpook National University)
Publication Information
Textile Coloration and Finishing / v.24, no.1, 2012 , pp. 39-44 More about this Journal
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 $^{31}P$ 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. $530cm^{-1}$ 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.
Keywords
poly(ethylene terephthalate); resorcinol bis(diphenyl phosphate); radical addition reaction; flame retardant; $^{31}P$ solid state FT-NMR; TGA analysis;
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Times Cited By KSCI : 2  (Citation Analysis)
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