The Flame retardance mechanism of the Sb2O3-Halogen system: gaseous species detected by mass spectrometry

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ConferenceProceedings of the 2nd International Symposium on Fire Safety Science: 13 June 1988, Tokyo, Japan
Pages327336; # of pages: 10
Subjecthalogens; fire fighting equipment; polystyrene; antimony trioxide (sb2o3); chlorinated paraffins; tetrachlorobisphenol a; tetrabromobisphenol a; chemical ionization mass spectrometry; radiant heat; fire retardant activity; mass spectral analysis; antimony trichloride (sbcl3); Fire; halogène; equipement d'extincteur
AbstractThe gaseous species present above samples of polystyrene containing Sb[2]O[3] and selected chlorinated paraffins, tetrachlorobisphenol A and tetrabromobisphenol A were determined by atmospheric pressure chemical ionization mass spectrometry during exposure to radiant heat in the presence of air. SbOCl[3], SbCl[3](OH), SbCl[4], and SbCl[3](OH)[2] were found to be present in greater amounts than SbCl[3], the species normally identified with the fire retardant activity of Sb-halogen systems. Mass spectral analyses were performed on the vapour above SbCl[3] in air at atmospheric pressure and room temperature, to identify these species produced from the reaction between Sb[2]O[3] and the chlorine source.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number30419
NPARC number20375821
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Record identifier8b5e397a-3441-41c5-a95a-a4bb04fb76eb
Record created2012-07-23
Record modified2016-05-09
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