Polymer Bulletin

, Volume 73, Issue 4, pp 927–939 | Cite as

Fourier transform infrared spectroscopy-thermogravimetry analysis of the thermal decomposition mechanism of an effective flame retardant, hydroquinone bis(di-2-methylphenyl phosphate)

  • Lei Chen
  • Zhiyi Yang
  • Yan-yan Ren
  • Zhi-ye Zhang
  • Xin-long Wang
  • Xiu-shan Yang
  • Lin Yang
  • Benhe Zhong
Original Paper
First Online:
Received:
Revised:
Accepted:

Abstract

Hydroquinone bis(di-2-methylphenyl phosphate) (HMP) is an effective phosphorus flame retardant, but its gas flame retardant mechanism is not clear. In this study, the thermal degradation of HMP was investigated by thermogravimetry (TG) coupled with Fourier transform infrared spectroscopy (FTIR) under nitrogen and air, respectively. The results of the FTIR and semi-quantitative analyses agreed with TGA and derivative thermogravimetric analysis. Under nitrogen, the results of the TG, FTIR, and semi-quantitative analyses showed that HMP decomposed into benzyl alcohol and hydroquinone phosphate ester in a one-step process from 392 to 475 °C. Under air, the TG, FTIR, and semi-quantitative analyses showed that HMP decomposed in a two-step process. In the first step from 385 to 452 °C, HMP decomposed into benzyl alcohol, hydroquinone phosphate ester, carbon dioxide, water, and alkyne, while in the second step from 491 to 800 °C, it decomposed into carbon dioxide, water, and alkyne.

Keywords

HMP Flame retardant FTIR-TG Degradation mechanism 
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Notes

Acknowledgments

This paper is based on the results from the subject supported by National High Technology Research and Development Program of China (Grant No. 2011AA06A106) and Young Teachers Scientific Research Foundation Project of Sichuan University (2012SCU11024).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Lei Chen
    • 1
  • Zhiyi Yang
    • 1
  • Yan-yan Ren
    • 1
  • Zhi-ye Zhang
    • 1
  • Xin-long Wang
    • 1
  • Xiu-shan Yang
    • 1
  • Lin Yang
    • 1
  • Benhe Zhong
    • 1
  1. 1.College of Chemical Engineering of Sichuan UniversitySichuanPeople’s Republic of China

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