We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
20 resultsShowing papers similar to Degradation rates and ageing effects of UV on tyre and road wear particles
ClearDegradation rates and ageing effects of UV on tyre and road wear particles
Researchers studied how UV light degrades tire and road wear particles, which are considered the largest source of microplastics in the environment. They found that UV exposure caused significant surface cracking and chemical changes in the rubber particles, accelerating their breakdown into smaller fragments. The study provides important data on how quickly these particles degrade outdoors, which helps predict their long-term environmental fate and accumulation.
Assessing the Biodegradability of Tire Tread Particles and Influencing Factors
Researchers tested the biodegradability of tire tread particles under natural and UV-weathered conditions, finding that biodegradation was limited and that UV weathering affected the process. Tire wear particles persist in the environment and contribute to microplastic, chemical, and particulate matter pollution.
D3.3 UV-degradation and analysis of tyre and road wear particles(TRWP) - PU : LEON-T : Low particle Emissions an lOw Noise Tyres
Researchers investigated UV-induced degradation of tyre and road wear particles (TRWP) as part of the LEON-T project aimed at developing low-emission, low-noise tyres. The study characterized how UV exposure affects TRWP properties and particle release, contributing to understanding of non-exhaust particulate emissions from road transport.
Shades of grey—tire characteristics and road surface influence tire and road wear particle (TRWP) abundance and physicochemical properties
A suite of experiments characterized how tire type, compound, and road surface properties influence tire and road wear particle (TRWP) size, morphology, and emission rates, finding significant variation across tire and road combinations relevant to predicting environmental exposure.
A study on the aquatic degradation of tire wear particles: Impact of environmental factors and material formulations
This study assessed how tire wear particles degrade in freshwater environments under varying environmental conditions including UV radiation and water chemistry. The degradation process alters particle properties in ways that may increase toxicity to aquatic organisms.
A study on the aquatic degradation of tire wear particles: Impact of environmental factors and material formulations
This study investigated how tire wear particles degrade in aquatic environments, examining the effects of environmental factors such as UV exposure and water chemistry on particle breakdown. The results showed that aquatic degradation alters tire wear particles in ways that may increase their ecotoxicological risk.
UV and thermal degradation of tire derivatives: A comparative study of unused tires, recycled tire chips, and tire and road wear particles
Researchers compared UV and thermal aging behavior of unused tires, recycled tire chips, and tire and road wear particles, finding that material history and particle size influenced degradation rate and benzothiazole leaching—a marker of toxicological concern from tire-derived microplastics.
[Aging and Small-sized Particles Release Characteristics of Tire Microplastics in Various Environmental Media].
Researchers simulated the aging of tire microplastics from cars and electric bicycles under UV illumination in both dry and aquatic environments, finding that 30 days of UV exposure caused surface roughening, cracking, and flaking while increasing the carbonyl index and releasing smaller particles, revealing distinct aging and fragmentation behaviors across environmental media.
A critical review of tire wear particles aging and ecotoxicological consequences in terrestrial environments: Insights into environmentally persistent free radicals
This review synthesizes evidence on how tire wear particles age in terrestrial environments and the resulting ecological consequences. Researchers found that UV-induced aging generates environmentally persistent free radicals and reactive oxygen species that amplify soil toxicity, while biodegradation may reduce some risks. The study highlights that characterizing aged tire wear particles remains difficult due to their compositional complexity and calls for standardized analytical methods.
Effect of UV exposure and natural aging on the in vitro PAHs bioaccessibility associated with tire wear particles in soil
Researchers examined how UV exposure and natural aging change the ability of tire wear particles to release polycyclic aromatic hydrocarbons in soil. They found that UV aging increased the surface reactivity of the particles and altered how readily these toxic compounds could be absorbed by living organisms. The study suggests that weathered tire particles in roadside soils may pose greater health risks than fresh ones.
Investigation on the adsorption and desorption behaviors of heavy metals by tire wear particles with or without UV ageing processes
UV aging of tire wear particles and polypropylene microplastics increased their surface area and negative charge, enhancing adsorption of cadmium and lead, with tire wear particles showing stronger adsorption changes than PP after aging.
Settling Velocities of Tire and Road Wear Particles: Analyzing Finely Graded Density Fractions of Samples from a Road Simulator and a Highway Tunnel.
Researchers measured the terminal settling velocities of tyre and road wear particles (TRWP) from a road simulator and highway tunnel across different density and size fractions, providing the first empirical settling velocity data for these particles to support modeling of their transport in aquatic environments.
In Vitro Assessment Reveals the Effects of Environmentally Persistent Free Radicals on the Toxicity of Photoaged Tire Wear Particles
Researchers examined how tire wear particles change when exposed to sunlight and found that the aging process generates environmentally persistent free radicals on their surfaces. These radicals significantly increased the toxicity of the particles in laboratory cell tests, causing oxidative stress and DNA damage. The study suggests that weathered tire particles may be more harmful than freshly released ones, adding a new dimension to microplastic pollution concerns.
Effect of vacuum UV and UV-C treatment on degradation and ecotoxicity of tire wear microrubber leachates
Researchers tested UV light treatments on leachates from tire wear particles and found that a combined vacuum UV and UV-C approach effectively broke down toxic compounds including certain PAHs and chemical additives by up to 90%. The treatment also reduced the potential ecological toxicity and genotoxicity of the leachates, suggesting UV technology could help mitigate the environmental impact of tire-derived pollution.
UVA-induced weathering of microplastics in seawater: surface property transformations and kinetics
Researchers studied how UVA radiation weathers microplastics in seawater, examining changes to surface properties and degradation rates. The study developed a model integrating an aging index with degradation kinetics, finding that UV exposure significantly transforms microplastic surface characteristics, which affects their behavior and potential ecological impact in marine environments.
Aging, characterization and sorption behavior evaluation of tire wear particles for tetracycline in aquatic environment
Researchers aged tire wear particles using UV weathering and chemical oxidation and studied how aging affects their sorption of tetracycline antibiotics, finding that weathering significantly alters surface chemistry and increases the capacity of tire particles to adsorb and potentially transport pharmaceutical contaminants.
The transport of tyre wear particles in rivers, with a focus on settling and resuspension
Researchers investigated the transport dynamics of tyre and road wear particles (TRWPs) in river systems, with particular focus on settling and resuspension processes in aquatic environments, and explored pathways toward groundwater, addressing a gap in understanding TRWP fate in the environment.
Preparation and Characterization of Model Tire–Road Wear Particles
Researchers developed a laboratory method to prepare model tire-road wear particles (TRWPs) that mimic those found in the environment, combining tire tread wear particles (212-500 µm) with crushed granite mineral particles (20-38 µm) at a 1:10 weight ratio bonded with chloroform treatment. The resulting model TRWPs closely replicated the morphology of real-world TRWPs and were characterized for use as reference materials in environmental contamination studies.
The transport of tyre wear particles in rivers, with a focus on settling and resuspension
Researchers investigated the transport, settling, and resuspension behavior of tyre and road wear particles (TRWPs) in river systems compared to conventional microplastics, presenting initial characterization data on TRWP density and zeta potential and conducting mesocosm flume experiments to test hypotheses about their differential environmental fate.
Tyre and road wear particles from source to sea
Researchers traced tyre and road wear particles (TRWP) — tiny rubber fragments shed when vehicles brake and turn — from urban roads into marine sediments, finding that softer tyres with more natural rubber shed more particles and that TRWP concentrations drop sharply with distance from cities. Unlike lighter microplastics that drift widely, TRWP sink quickly and accumulate near urban coastlines, threatening nearshore sediment ecosystems.