Thermal desorption gas chromatography with mass spectrometry study of outgassing from polymethacrylimide foam (Rohacell®). Carrasco-Correa, E., Herrero-Martínez, J., Consuegra, L., Ramis-Ramos, G., Sanz, R., Martínez, B., Esbert, V., & García-Baquero, D. Journal of Separation Science, 38(17):3028-3037, Wiley-VCH Verlag, 2015. cited By 2
Thermal desorption gas chromatography with mass spectrometry study of outgassing from polymethacrylimide foam (Rohacell®) [link]Paper  doi  abstract   bibtex   
Polymethacrylimide foams are used as light structural materials in outer-space devices; however, the foam closed cells contain volatile compounds that are outgassed even at low temperatures. These compounds ignite as plasmas under outer-space radiation and the intense radio-frequency fields used in communications. Since plasmas may cause spacecraft fatal events, the conditions in which they are ignited should be investigated. Therefore, qualitative and quantitative knowledge about polymethacrylimide foam outgassing should be established. Using thermogravimetric analysis, weight losses reached 3% at ca. 200°C. Thermal desorption gas chromatography with mass spectrometry detection was used to study the offgassed compounds. Using successive 4 min heating cycles at 125°C, each one corresponding to an injection, significant amounts of nitrogen (25.3%), water (2.6%), isobutylene (11.3%), tert-butanol (2.9%), 1-propanol (11.9%), hexane (25.3%), propyl methacrylate (1.4%), higher hydrocarbons (11.3%), fatty acids (2.2%) and their esters (1.3%), and other compounds were outgassed. Other compounds were observed during the main stage of thermal destruction (220-280°C). A similar study at 175°C revealed the extreme difficulty in fully outgassing polar compounds from polymethacrylimide foams by baking and showed the different compositions of the offgassed atmosphere that can be expected in the long term. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
@ARTICLE{Carrasco-Correa20153028,
author={Carrasco-Correa, E.J. and Herrero-Martínez, J.M. and Consuegra, L. and Ramis-Ramos, G. and Sanz, R.M. and Martínez, B.G. and Esbert, V.E.B. and García-Baquero, D.R.},
title={Thermal desorption gas chromatography with mass spectrometry study of outgassing from polymethacrylimide foam (Rohacell®)},
journal={Journal of Separation Science},
year={2015},
volume={38},
number={17},
pages={3028-3037},
doi={10.1002/jssc.201500311},
note={cited By 2},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940901679&doi=10.1002%2fjssc.201500311&partnerID=40&md5=e7e214534d2fe0c489cfbec1cfd0cd00},
affiliation={Department of Analytical Chemistry, Faculty of Chemistry, University of Valencia, Burjassot, 46100, Spain; Department of Applied Physics-ICMUV, Faculty of Physics, University of Valencia, Burjassot, Valencia, Spain; Department of Communications-iTEAM, Polytechnic University of Valencia, Valencia, Spain; European Space Agency, ESA/ESTEC, Noordwijk, Netherlands},
abstract={Polymethacrylimide foams are used as light structural materials in outer-space devices; however, the foam closed cells contain volatile compounds that are outgassed even at low temperatures. These compounds ignite as plasmas under outer-space radiation and the intense radio-frequency fields used in communications. Since plasmas may cause spacecraft fatal events, the conditions in which they are ignited should be investigated. Therefore, qualitative and quantitative knowledge about polymethacrylimide foam outgassing should be established. Using thermogravimetric analysis, weight losses reached 3% at ca. 200°C. Thermal desorption gas chromatography with mass spectrometry detection was used to study the offgassed compounds. Using successive 4 min heating cycles at 125°C, each one corresponding to an injection, significant amounts of nitrogen (25.3%), water (2.6%), isobutylene (11.3%), tert-butanol (2.9%), 1-propanol (11.9%), hexane (25.3%), propyl methacrylate (1.4%), higher hydrocarbons (11.3%), fatty acids (2.2%) and their esters (1.3%), and other compounds were outgassed. Other compounds were observed during the main stage of thermal destruction (220-280°C). A similar study at 175°C revealed the extreme difficulty in fully outgassing polar compounds from polymethacrylimide foams by baking and showed the different compositions of the offgassed atmosphere that can be expected in the long term. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.},
author_keywords={Outer-space materials;  Outgassing;  Polymethacrylimide foam;  Rohacell®;  Thermal desorption},
keywords={Bakeries;  Degassing;  Fatty acids;  Hexane;  Mass spectrometry;  Space optics;  Thermal desorption;  Thermogravimetric analysis;  Volatile organic compounds, Higher hydrocarbons;  Light structural materials;  Outer space;  Propyl methacrylate;  Quantitative knowledge;  Radio frequency fields;  Thermal destruction;  Volatile compounds, Gas chromatography, fatty acid;  hexane;  hydrocarbon;  isobutylene;  methacrylic acid;  nitrogen;  propane;  propanol;  tert butyl alcohol;  water, adsorption;  Article;  atmosphere;  desorption;  foam;  gas chromatography;  heating;  mass spectrometry;  molecular weight;  polymethacrylimide foam;  priority journal;  qualitative analysis;  quantitative analysis;  temperature;  thermal desorption gas chromatography;  thermogravimetry},
chemicals_cas={hexane, 110-54-3; isobutylene, 115-11-7; methacrylic acid, 18358-13-9, 79-41-4; nitrogen, 7727-37-9; propane, 74-98-6; propanol, 62309-51-7, 71-23-8; tert butyl alcohol, 75-65-0; water, 7732-18-5},
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correspondence_address1={Ramis-Ramos, G.; Department of Analytical Chemistry, Spain; email: ramis@uv.es},
publisher={Wiley-VCH Verlag},
issn={16159306},
coden={JSSCC},
language={English},
abbrev_source_title={J. Sep. Sci.},
document_type={Article},
source={Scopus},
}

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