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Saraji-Bozorgzad, M.R. ; Streibel, T.* ; Eschner, M.* ; Gröger, T.M. ; Geißler, R. ; Kaisersberger, E.* ; Denner, T.* ; Zimmermann, R.

Investigation of polymers by a novel analytical approach for evolved gas analysis in thermogravimetry.

J. Therm. Anal. Calorim. 105, 859-866 (2011)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
A newly developed measurement technique for evolved gas analysis in thermogravimetry, viz. a thermo balance coupled to comprehensive gas chromatography/single photon ionization mass spectrometry (TG-GC x SPIMS), has been applied to investigate the thermal degradation of two polymers (polycarbonate (PC) blended with ABS and PVC). This detection method provides a two-dimensional analysis of the evolved gaseous products. TG relevant data is obtained as well as an improved resolution power to separate isobaric molecular structures without losing any fraction of the samples. In addition, this solution is not associated with any extension of the measurement time. The assignment of the substance pattern to distinct species is improved compared to solely using MS without a preceding separation step. Furthermore, hitherto undetected compounds when compared to applying TG-SPIMS without GC such as benzonitrile and its methylated derivatives have been found in the evolved gases from the thermal degradation of PC/ABS blend. Finally, a first estimation of the limit of detection has been carried out, yielding 400 ppt for styrene and 500 ppt for toluene from the thermal decomposition of PC/ABS blend.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Evolved gas analysis; Mass spectrometry; Gas chromatography; Photo ionization; Polymers; Single-photon Ionization; Flight Mass-spectrometry; Tg-gc-ms; Thermal-decomposition; Organic-compounds; Pyrolysis; Degradation; Chromatography; Identification; Plastics
Sprache englisch
Veröffentlichungsjahr 2011
HGF-Berichtsjahr 2011
ISSN (print) / ISBN 1388-6150
e-ISSN 1588-2926
Zeitschrift Journal of Thermal Analysis and Calorimetry
Quellenangaben Band: 105, Heft: 3, Seiten: 859-866 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort Dordrecht
Begutachtungsstatus Peer reviewed
Institut(e) Cooperation Group Comprehensive Molecular Analytics (CMA)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504500-001
DOI 10.1007/s10973-011-1720-5
WOS ID WOS:000294014000015
Scopus ID 80052566606
Erfassungsdatum 2011-10-30
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