Towards the identification of the volatile organic compounds emitted by the coatings used in a car factory painting line

2024年08月27日08:33 来源：无

Researchers found that coatings used in a car factory emit 45 volatile organic compounds (VOCs) that pose potential health risks to workers.

The research demonstrates that gas chromatography-ion mobility spectrometry (GC-IMS) is effective in identifying VOCs in coatings, supporting air quality monitoring in workplace environments. Source: Kadmy - adobe.stock.com

One of the main reasons for the degradation of working conditions is the lack of air quality. It is known that indoor air contaminants pose a risk to both the human organism and the environment, which constitutes a challenge for employers and major industries. A car factory painting line is an evident example of a work location in which the employers must be especially aware and concerned with the employees’ health. Since the coatings are the main VOCs-emitting source, this work studied the analytes emitted by four primers, 17 basecoats and one varnish used in a car factory of a world-renowned automotive brand, with gas chromatography-ion mobility spectrometry (GC-IMS), as a way of identifying all the coating-borne VOCs that can be emitted to the indoor air.

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The variability of the collected data was assessed, and the repeatability of the results proved the suitability of GC-IMS for this type of study. Among primers, inks and varnish, 45 VOCs were accurately identified using an exclusively developed database of compounds. The presence of the identified analytes in the composition of the coatings represents the potentiality of being emitted to the indoor air of the factory and, consequently, denotes their eventual toxicity for the employees of the painting line. These results represent a step forward in the assessment of the panting line work conditions, so eventual consequences to the employees’ health are theoretically discussed; nonetheless, further studies aim to examine air samples of the factory and evaluate the work conditions and actual consequences to the employees that must be developed.

Journal of Coatings Technology and Research, Volume 21, pages 665–682, (2024)

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