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Synthesis of a deoxybenzoin derivative and its use as a flame retardant in poly(trimethylene terephthalate)
Author(s) -
Hu Xilong,
Wang Yan,
Yu Junrong,
Zhu Jing,
Hu Zuming
Publication year - 2018
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.45904
Subject(s) - fire retardant , phosphonate , derivative (finance) , materials science , polymer chemistry , char , calorimetry , chemistry , organic chemistry , combustion , composite material , financial economics , physics , economics , thermodynamics
A Friedel–Crafts acylation reaction was used to synthesize a deoxybenzoin derivative named bis[2,6‐dimethyl‐4‐(2‐phenyl acetyl)phenyl]phenyl phosphonate (BDPP), which could be used as a flame‐retardant additive in poly(trimethylene terephthalate) (PTT) resin. The limited oxygen index and cone calorimetry tests indicated that the introduction of 5 wt % BDPP significantly improved the flame‐retardant properties of PTT through a synergistic char‐formation mechanism in the condensed phase and a flame‐inhibition mechanism in the gas phase. The PTT–BDPP blend also demonstrated an evident reduction in the melt viscosity but a superior melt stability in comparison to the neat PTT. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018 , 135 , 45904.