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Chemical Leaching from Tire Wear Particles with Various Treadwear Ratings

Author

Listed:
  • Yoonah Jeong

    (Department of Environmental Research, Korea Institute of Civil Engineering and Building Technology (KICT), Goyang-daero 283, Goyang-si 10223, Korea)

  • Seokhwan Lee

    (Department of Mobility Power Research, Korea Institute of Machinery and Materials, Daejeon 34103, Korea)

  • Sang-Hee Woo

    (Department of Mobility Power Research, Korea Institute of Machinery and Materials, Daejeon 34103, Korea)

Abstract

Physical friction between a tire and the road surface generates tire wear particles (TWPs), which are a source of microplastics and particulate matter. This study investigated the trends of chemical leaching from TWPs depending on the treadwear rating of the tire. A road simulator was used to produce TWPs from tires with various treadwear ratings. Liquid chromatography–tandem mass spectrometry was used to analyze the chemical leaching from TWPs, with a particular focus on benzothiazole and its derivative 2-hydroxy benzothiazole. However, chemical mapping via high-resolution tandem mass spectrometry detected another derivative: 2-mercaptobenzothiazole. The benzothiazole groups were observed to have different leaching tendencies, implying that using benzothiazole as a marker compound may lead to incorrect TWP quantitation. The results of this research also suggest that the ecotoxicological influence of TWPs can vary with the treadwear rating of a tire.

Suggested Citation

  • Yoonah Jeong & Seokhwan Lee & Sang-Hee Woo, 2022. "Chemical Leaching from Tire Wear Particles with Various Treadwear Ratings," IJERPH, MDPI, vol. 19(10), pages 1-11, May.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:10:p:6006-:d:815991
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    Cited by:

    1. Barouch Giechaskiel & Theodoros Grigoratos & Marcel Mathissen & Joris Quik & Peter Tromp & Mats Gustafsson & Vicente Franco & Panagiota Dilara, 2024. "Contribution of Road Vehicle Tyre Wear to Microplastics and Ambient Air Pollution," Sustainability, MDPI, vol. 16(2), pages 1-31, January.

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