FTIR analysis of gases evolved from cotton and flame retarded cotton fabrics pyrolysed in air

Horrocks, Richard ORCID: 0000-0003-1431-058X, Price, Dennis and Akalin, M. (1996) FTIR analysis of gases evolved from cotton and flame retarded cotton fabrics pyrolysed in air. Polymer Degradation and Stability, 52 (2). pp. 205-213. ISSN 0141-3910

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Abstract

The gaseous products produced by pyrolysing various samples of cotton and flame retarded cotton fabrics in air at different temperatures (300–1200 °C) were identified and quantified via FTIR. CO and CO2 evolutions were investigated in detail. The flame retardant samples showed enhanced CO and CO2 concentrations at lower pyrolysis temperatures (300–450 °C). These evolutions showed similar temperature dependence behaviour for all samples tested. At higher temperatures (450–800 °C), a second pyrolysis stage is identified where product evolution increased in concentration towards respective maximum values within this range. At higher temperatures still (800–1200 °C) pyrolysis product oxidation occurred which thus reduced the concentrations of all oxidisable products. The relative evolutions of both CO and CO2 are commensurate with the known vapour phase and condensed phase activities of bromine- and phosphorus-nitrogen-containing flame retardants, respectively.

Item Type: Article
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Tracey Gill
Date Deposited: 20 Sep 2018 08:31
Last Modified: 20 Sep 2018 08:31
Identification Number: 10.1016/0141-3910(96)00017-1
URI: http://ubir.bolton.ac.uk/id/eprint/1960

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