The individual and cumulative effect of brominated flame retardant and polyvinylchloride (PVC) on thermal degradation of acrylonitrile-butadiene- styrene (ABS) copolymer

Mihai Brebu, Thallada Bhaskar, Kazuya Murai, Akinori Muto, Yusaku Sakata, Md Azhar Uddin

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Acrylonitrile-butadiene-styrene (ABS) copolymers without and with a polybrominated epoxy type flame retardant were thermally degraded at 450°C alone (10 g) and mixed with polyvinylchloride (PVC) (8 g/2 g). Gaseous and liquid products of degradation were analysed by various gas chromatographic methods (GC with TCD, FID, AED, MSD) in order to determine the individual and cumulative effect of bromine and chlorine on the quality and quantity of degradation compounds. It was found that nitrogen, chlorine, bromine and oxygen are present as organic compounds in liquid products, their quantity depends on the pyrolysed polymer or polymer mixture. Bromophenol and dibromophenols were the main brominated compounds that come from the flame retardant. 1-Chloroethylbenzene was the main chlorine compound observed in liquid products. It was also determined that interactions appear at high temperatures during decomposition between the flame retardant, PVC and the ABS copolymer.

Original languageEnglish
Pages (from-to)433-440
Number of pages8
JournalChemosphere
Volume56
Issue number5
DOIs
Publication statusPublished - Aug 2004
Externally publishedYes

Keywords

  • ABS copolymer
  • Bromine plastics
  • Flame retardant
  • PVC
  • Pyrolysis
  • WEEE

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Chemistry(all)
  • Pollution
  • Health, Toxicology and Mutagenesis

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