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Keywords = treadwear rating

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11 pages, 2082 KB  
Article
Chemical Leaching from Tire Wear Particles with Various Treadwear Ratings
by Yoonah Jeong, Seokhwan Lee and Sang-Hee Woo
Int. J. Environ. Res. Public Health 2022, 19(10), 6006; https://doi.org/10.3390/ijerph19106006 - 15 May 2022
Cited by 24 | Viewed by 4341
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 [...] Read more.
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. Full article
(This article belongs to the Topic Emerging Contaminants in the Aquatic Environment)
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