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Journal of Fire Sciences
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GC/MS Identification of Pyrolysis Products from 1,2-Bis(2,4,6-Tribromophenoxy)ethane

A. I. Balabanovich

Dipartimento di Chimica IFM, Universita` di Torino, Via P. Giuria 7 10125 Torino, Italy;Research Institute for Phys. Chem. Problems of the Belarussion State University, ul. Leningradskaya 14, 220050 Minsk, Belarus.

M. P. Luda

Dipartimento di Chimica IFM, Universita` di Torino, Via P. Giuria 7 10125 Torino, Italymariapaola.luda{at}unito.it

L. Operti

Dipartimento di Chimica Generale ed Organica Applicata, Universita` di Torino, C.so Massimo d’Azeglio 48 10125 Torino, Italy

Despite the large amount of work carried out for the identification of pyrolytic products of fire retardant polymers, there is still lack of reliable MS data on halogenated substances. The development of toxic halogenated products mostly occurs during the process of pyrolysis, burning or recycling and they originate from the use of halogenated fire retardants. 1,2-Bis(2,4,6-tribromophenoxy)ethane is a common fire retardant used in acrylonitrile– butadiene–styrene terpolymers for computer housing. Its pyrolysis products (brominated vinyl phenyl ethers, brominated alkyl phenyl ethers, brominated diaryl ethers, polybrominated dibenzodioxins) from a 340 C pyrolysis have been identified by GC/MS and their mass spectra are presented and discussed. A mechanism accounting for the formation of the products is proposed.

Key Words: pyrolysis • fire retardant • halogen • electronic scrap • GC/MS • 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE) • brominated vinyl phenyl ethers • alkyl phenyl ethers • diaryl ethers • polybrominated dibenzodioxins (PBDD)

Journal of Fire Sciences, Vol. 22, No. 4, 269-292 (2004)
DOI: 10.1177/0734904104041197
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