Effect of metal oxides on fire resistance and char formation of intumescent flame retardant coating

You Zhou; Xiu Liu; Fang Wang; Jian Wei Hao; Jian Xin Du

doi:10.15541/jim20130686

Effect of metal oxides on fire resistance and char formation of intumescent flame retardant coating

You Zhou, Xiu Liu, Fang Wang, Jian Wei Hao^*, Jian Xin Du

^*Corresponding author for this work

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Metal oxides (MO) can remarkably affect the char formation of intumescent flame retardants (IFR) during thermal decomposition, thereby improving the fire resistance property of IFR coatings. In present work, Fe₂O₃, ZnO and TiO₂ were separately incorporated with caged bicyclic phosphates based IFR in epoxy coating, and their effects on fire resistance and char formation of the IFR coating were investigated. Back temperature test results showed that MO worked synergistically on improving fire resistance of the coating and their effectiveness of improvement followed the trend of Fe₂O₃>ZnO>TiO₂. Thermogravimetric analysis (TGA), laser Raman spectroscopy (LRS) and X-ray photoelectron spectroscopy (XPS) results revealed that MO promoted the formation of pseudo-graphic char with improved thermal stability which still survived at high temperature, and their effectiveness of promotion also followed the trend of Fe₂O₃>ZnO>TiO₂.

Original language	English
Pages (from-to)	972-978
Number of pages	7
Journal	Wuji Cailiao Xuebao/Journal of Inorganic Materials
Volume	29
Issue number	9
DOIs	https://doi.org/10.15541/jim20130686
Publication status	Published - 1 Sept 2014

Keywords

Caged bicyclic phosphates
Epoxy coating
Intumescent flame retardancy
Metal oxides

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title = "Effect of metal oxides on fire resistance and char formation of intumescent flame retardant coating",

abstract = "Metal oxides (MO) can remarkably affect the char formation of intumescent flame retardants (IFR) during thermal decomposition, thereby improving the fire resistance property of IFR coatings. In present work, Fe2O3, ZnO and TiO2 were separately incorporated with caged bicyclic phosphates based IFR in epoxy coating, and their effects on fire resistance and char formation of the IFR coating were investigated. Back temperature test results showed that MO worked synergistically on improving fire resistance of the coating and their effectiveness of improvement followed the trend of Fe2O3>ZnO>TiO2. Thermogravimetric analysis (TGA), laser Raman spectroscopy (LRS) and X-ray photoelectron spectroscopy (XPS) results revealed that MO promoted the formation of pseudo-graphic char with improved thermal stability which still survived at high temperature, and their effectiveness of promotion also followed the trend of Fe2O3>ZnO>TiO2.",

keywords = "Caged bicyclic phosphates, Epoxy coating, Intumescent flame retardancy, Metal oxides",

author = "You Zhou and Xiu Liu and Fang Wang and Hao, {Jian Wei} and Du, {Jian Xin}",

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AU - Zhou, You

AU - Liu, Xiu

AU - Wang, Fang

AU - Hao, Jian Wei

AU - Du, Jian Xin

PY - 2014/9/1

Y1 - 2014/9/1

N2 - Metal oxides (MO) can remarkably affect the char formation of intumescent flame retardants (IFR) during thermal decomposition, thereby improving the fire resistance property of IFR coatings. In present work, Fe2O3, ZnO and TiO2 were separately incorporated with caged bicyclic phosphates based IFR in epoxy coating, and their effects on fire resistance and char formation of the IFR coating were investigated. Back temperature test results showed that MO worked synergistically on improving fire resistance of the coating and their effectiveness of improvement followed the trend of Fe2O3>ZnO>TiO2. Thermogravimetric analysis (TGA), laser Raman spectroscopy (LRS) and X-ray photoelectron spectroscopy (XPS) results revealed that MO promoted the formation of pseudo-graphic char with improved thermal stability which still survived at high temperature, and their effectiveness of promotion also followed the trend of Fe2O3>ZnO>TiO2.

AB - Metal oxides (MO) can remarkably affect the char formation of intumescent flame retardants (IFR) during thermal decomposition, thereby improving the fire resistance property of IFR coatings. In present work, Fe2O3, ZnO and TiO2 were separately incorporated with caged bicyclic phosphates based IFR in epoxy coating, and their effects on fire resistance and char formation of the IFR coating were investigated. Back temperature test results showed that MO worked synergistically on improving fire resistance of the coating and their effectiveness of improvement followed the trend of Fe2O3>ZnO>TiO2. Thermogravimetric analysis (TGA), laser Raman spectroscopy (LRS) and X-ray photoelectron spectroscopy (XPS) results revealed that MO promoted the formation of pseudo-graphic char with improved thermal stability which still survived at high temperature, and their effectiveness of promotion also followed the trend of Fe2O3>ZnO>TiO2.

KW - Caged bicyclic phosphates

KW - Epoxy coating

KW - Intumescent flame retardancy

KW - Metal oxides

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Effect of metal oxides on fire resistance and char formation of intumescent flame retardant coating

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