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http://dx.doi.org/10.5764/TCF.2012.24.1.33

Radical Addition Reaction of Phosphorous based Flame Retardant with End Groups of PET (1) - Reaction of Bisphenol A bis(diphenyl phosphate) -  

Kim, Min-Kwan (Department of Advanced Organic Materials Science and Engineering, Kyungpook National 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. 33-38 More about this Journal
Abstract
In this study, to increase flame retardation of poly(ethylene terephthalate) (PET) in burning, bisphenol A bis(diphenyl phosphate) (BDP), a well known flame retardant containing phosphorous, was reacted on end groups of PET by radical pathway. End-capping mechanism of PET with BDP was suggested and confirmed by spectroscopic and thermal analysis. From 400 MHz $^{31}P$ solid state FT-NMR spectrum of end-capped PET (PET-BDP), phosphorus spectra peak in BDP was found at ca. -20 ppm. Furthermore, P-C bond stretching vibration peaks were found ca. $600cm^{-1}$ in FT-IR spectrums of PET-BDP. These results showed that BDP can be chemically added on end groups of PET by our method. Thermal characteristics of pure PET (pPET) and PET-BDP were measured and evaluated by TGA analysis. There was not significant changes in thermal characteristics of PET-BDP compared to that of pPET.
Keywords
poly(ethylene terephthalate); bisphenol A bis(diphenyl phosphate); radical graft 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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