Study on flame retardancy of APP/PEPA/MoO3 synergism in vinyl ester resins

Gaofeng Zeng; Weiwei Zhang; Xin Zhang; Wenchao Zhang; Jianxin Du; Jiyu He; Rongjie Yang

doi:10.1002/app.49026

Study on flame retardancy of APP/PEPA/MoO₃ synergism in vinyl ester resins

Gaofeng Zeng, Weiwei Zhang, Xin Zhang, Wenchao Zhang^*, Jianxin Du^*, Jiyu He, Rongjie Yang

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

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

19 Citations (Scopus)

Abstract

A range of flame retardant vinyl ester resins (VERs) samples have been produced containing different contents of PEPA (1-oxo-4-hydroxymethyl-2,6,7-trioxa-l-phosphabicyclo[2.2.2]octane), APP (ammonium polyphosphate), and MoO₃ (molybdenum trioxide). By investigating the flame retardancy of VER samples such as limiting oxygen index and UL-94, the synergistic flame retardance of APP, PEPA, and MoO3 has been revealed. The cone calorimeter is an instrument that measures the combustion data of samples. In the VER composites on fire, the synergistic smoke suppression effect of the APP, PEPA, and MoO₃ was detected. The gas and condensed phase of VER composites with APP, PEPA, and MoO₃ were tested by the thermogravimetric analysis (TGA)–Fourier transform infrared spectroscopy (FTIR) and FTIR. The char residues of samples have been studied at length by scanning electron microscopy and FTIR. The results show that the presence of MoO3 can promote the formation of P-O and P-O structures.

Original language	English
Article number	49026
Journal	Journal of Applied Polymer Science
Volume	137
Issue number	35
DOIs	https://doi.org/10.1002/app.49026
Publication status	Published - 15 Sept 2020

Keywords

composites
flame retardance
nanocrystals
nanoparticles
nanowires
thermal properties
thermogravimetric analysis

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10.1002/app.49026

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title = "Study on flame retardancy of APP/PEPA/MoO3 synergism in vinyl ester resins",

abstract = "A range of flame retardant vinyl ester resins (VERs) samples have been produced containing different contents of PEPA (1-oxo-4-hydroxymethyl-2,6,7-trioxa-l-phosphabicyclo[2.2.2]octane), APP (ammonium polyphosphate), and MoO3 (molybdenum trioxide). By investigating the flame retardancy of VER samples such as limiting oxygen index and UL-94, the synergistic flame retardance of APP, PEPA, and MoO3 has been revealed. The cone calorimeter is an instrument that measures the combustion data of samples. In the VER composites on fire, the synergistic smoke suppression effect of the APP, PEPA, and MoO3 was detected. The gas and condensed phase of VER composites with APP, PEPA, and MoO3 were tested by the thermogravimetric analysis (TGA)–Fourier transform infrared spectroscopy (FTIR) and FTIR. The char residues of samples have been studied at length by scanning electron microscopy and FTIR. The results show that the presence of MoO3 can promote the formation of P-O and P-O structures.",

keywords = "composites, flame retardance, nanocrystals, nanoparticles, nanowires, thermal properties, thermogravimetric analysis",

author = "Gaofeng Zeng and Weiwei Zhang and Xin Zhang and Wenchao Zhang and Jianxin Du and Jiyu He and Rongjie Yang",

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AU - He, Jiyu

AU - Yang, Rongjie

PY - 2020/9/15

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N2 - A range of flame retardant vinyl ester resins (VERs) samples have been produced containing different contents of PEPA (1-oxo-4-hydroxymethyl-2,6,7-trioxa-l-phosphabicyclo[2.2.2]octane), APP (ammonium polyphosphate), and MoO3 (molybdenum trioxide). By investigating the flame retardancy of VER samples such as limiting oxygen index and UL-94, the synergistic flame retardance of APP, PEPA, and MoO3 has been revealed. The cone calorimeter is an instrument that measures the combustion data of samples. In the VER composites on fire, the synergistic smoke suppression effect of the APP, PEPA, and MoO3 was detected. The gas and condensed phase of VER composites with APP, PEPA, and MoO3 were tested by the thermogravimetric analysis (TGA)–Fourier transform infrared spectroscopy (FTIR) and FTIR. The char residues of samples have been studied at length by scanning electron microscopy and FTIR. The results show that the presence of MoO3 can promote the formation of P-O and P-O structures.

AB - A range of flame retardant vinyl ester resins (VERs) samples have been produced containing different contents of PEPA (1-oxo-4-hydroxymethyl-2,6,7-trioxa-l-phosphabicyclo[2.2.2]octane), APP (ammonium polyphosphate), and MoO3 (molybdenum trioxide). By investigating the flame retardancy of VER samples such as limiting oxygen index and UL-94, the synergistic flame retardance of APP, PEPA, and MoO3 has been revealed. The cone calorimeter is an instrument that measures the combustion data of samples. In the VER composites on fire, the synergistic smoke suppression effect of the APP, PEPA, and MoO3 was detected. The gas and condensed phase of VER composites with APP, PEPA, and MoO3 were tested by the thermogravimetric analysis (TGA)–Fourier transform infrared spectroscopy (FTIR) and FTIR. The char residues of samples have been studied at length by scanning electron microscopy and FTIR. The results show that the presence of MoO3 can promote the formation of P-O and P-O structures.

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KW - flame retardance

KW - nanocrystals

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KW - thermal properties

KW - thermogravimetric analysis

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Study on flame retardancy of APP/PEPA/MoO₃ synergism in vinyl ester resins

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