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An experimental study of spray foam insulation products - evidence of 1,2-dichloropropane and 1,4-dioxane emissions

Naldzhiev, D; Mumovic, D; Strlic, M; (2019) An experimental study of spray foam insulation products - evidence of 1,2-dichloropropane and 1,4-dioxane emissions. In: IOP Conference Series: Materials Science and Engineering. IOP Publishing: Bari, Italy. Green open access

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Abstract

An experimental study was conducted using SPME-GC-MS and TD-GC-MS to analyse VOC emissions from three spray foam insulation products. Two closed cell and one open cell materials were tested using SPME-GC-MS passive sampling and a range of VOCs were found with 1,2- dichloropropane (1,2-DCP) found in all products. TD-GC-MS analysis of product 1 (a closed cell foam) and the raw material used for its production (B-side) showed that 1,4-dioxane and 1,2-DCP were both present in the raw material and emitted from the cured foam product. Our findings are currently limited and preliminary, but do seem to indicate that industrial contamination of raw chemicals could be the likely source of these compounds. This could raise the issue of Class 1 and 2B carcinogen VOCs being present in raw polyurethane spray foam insulation (SPF) materials should systematic evidence is provided. As per WHO guidance, it would be a better strategy to remove pollutants at the source. Further research will aim to quantify emission concentrations during application and examine the impact of application strategies.

Type: Proceedings paper
Title: An experimental study of spray foam insulation products - evidence of 1,2-dichloropropane and 1,4-dioxane emissions
Event: IAQVEC - International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/1757-899X/609/4/042053
Publisher version: https://iopscience.iop.org/article/10.1088/1757-89...
Language: English
Additional information: Content from this work may be used under the terms of theCreative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd
Keywords: insulation, volatile organic compound, carcinogen, contamination, polyurethane, spray foam
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10086004
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