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research article

Emissions of volatile organic compounds from interior materials of vehicles

Yang, Shen
•
Yang, Xudong
•
Licina, Dusan  
2020
Building and Environment

People spend a substantial amount of daily time in vehicle environments being exposed to variety of airborne chemicals. High concentrations of volatile organic compounds (VOCs) inside vehicle cabins have been of increasing concern owing to various health risks. Yet, there is a limited knowledge and data about VOC emissions from interior vehicular materials. In a controlled small-scale ventilated chamber, we quantified dynamic VOC emission characteristics for four commonly-used vehicular interior materials (leather coat of seats (LCS), dashboard (DB), pillar (PI) and ceiling (CE)) exposed to the two interior air temperatures (25 and 60 °C). The emission strengths of VOCs increased with temperature elevation by 3–36 times, but not linearly for every group of compounds. The level of individual VOC compounds emitted was a strong function of time, indicating the importance of a continuous sampling approach. Correlation analysis of individual VOCs revealed different emission mechanisms among the major compounds. The source apportionment results indicated that the LCS materials were associated with emissions of aromatics, carbonyls and other VOCs at 25 °C, while special attentions should be paid to the DB and the PI for their predominant contributions to extremely elevated level of aliphatic compounds at 60 °C. The results of this study are potentially useful for database of VOC emissions from vehicular materials, development of improved standard testing methods and for improved modeling of VOC emissions.

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Type
research article
DOI
10.1016/j.buildenv.2019.106599
Author(s)
Yang, Shen
Yang, Xudong
Licina, Dusan  
Date Issued

2020

Published in
Building and Environment
Volume

170

Article Number

106599

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
HOBEL  
Available on Infoscience
March 6, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/167088
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