Identification and quantification of tire wear particles by employing different cross-validation techniques: FTIR-ATR Micro-FTIR, Pyr-GC/MS, and SEM

Rosso, Beatrice; Gregoris, Elena; Litti, Lucio; Zorzi, Federico; Fiorini, Maurizio; Bravo, Barbara; Barbante, Carlo; Gambaro, Andrea; Corami, Fabiana

doi:10.1016/j.envpol.2023.121511

Cited by 24 publications

(3 citation statements)

References 66 publications

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“…Peaks at 1646 and 1543 cm −1 relative to the CC vibration are assigned to the carbon black filler as well as the board peak at 1054 cm −1 which can be associated with the vibrations of carbon black and/or silica that are the most common fillers used in rubber compounding 34 . It is, therefore, possible to affirm that the chemical groups identified within the end‐of‐life tire powder have the typical transmittance bands of elastomeric materials, associable with SBR, BR, and Natural rubber 35,36 …”

Section: Resultsmentioning

confidence: 96%

Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Bragaglia,

Paleari,

Nanni

2024

Polymer Composites

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In this paper two waste fillers, namely ground tire rubber (GTR) and coffee silverskin (CSS, a waste bio‐product from the coffee‐making process), have been used to produce sustainable ethylene‐propylene‐diene monomer (EPDM) rubber compounds vulcanized on steel sheets to fabricate rubber‐to‐steel bonded systems for industrial roofing applications. The compounds have shown good mechanical performances, with elastic moduli in the range of 13–16 MPa, tensile strength of 13–20 MPa and elongation at break >400%, and strong adhesion to the metal substrate. Moreover, the rubber‐to‐steel bonded systems present good sound insulation properties (mean sound transmission loss [STL] of 39 dB and noise level reduction in simulated hailstones impact tests of 62 dB with respect to bare steel 73 dB). Accelerated UV‐ and thermal‐aging tests have shown excellent adhesion of the compounds to the metal substrate with the CSS acting as an antioxidant agent preventing excessive polymer degradation. The selected waste‐derived materials result in promising fillers for more sustainable rubber compounds.Highlights Waste fillers were used to produce sustainable rubber compounds. Rubber‐to‐steel bonded systems for roofing applications were produced. Rubber‐to‐steel bonded systems have good sound insulation properties. Rubber‐to‐steel bonded systems have excellent adhesion. Coffee silverskin filler acts as an antioxidant agent.

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Section: Resultsmentioning

confidence: 96%

Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Bragaglia,

Paleari,

Nanni

2024

Polymer Composites

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“…Pyrolysis GC–MS provides a technique to simulate and analyze the VOC cracking process. , Experiments heating different asphalt samples reveal the release of alkanes, aromatics, and cyclic alkanes below 300 °C, followed by complex heterocyclic components above 400 °C. , A comparison to control tests using individual reference compounds helps identify the parent molecules generating specific pyrolysis products. Coupling this technique with validated chemical reaction mechanisms enables the development of kinetic models that can predict VOC emissions under various temperature conditions.…”

Section: Release Mechanism Of Asphalt Vocsmentioning

confidence: 99%

Emission Characteristics, Environmental Impacts, and Health Risks of Volatile Organic Compounds from Asphalt Materials: A State-of-the-Art Review

Li,

Qin,

Zhang

et al. 2024

Energy Fuels

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The emission of volatile organic compounds (VOCs) from asphalt during construction processes presents substantial risks to human health and the environment. To advance sustainable transportation development, this review offers a comprehensive study of the methods for characterization, release characteristics, influencing factors, release mechanisms, and environmental impacts of asphalt VOCs. At present, research has been conducted on characterization methods, component characteristics, influencing factors, and environmental and health risks. The findings indicate that gas chromatography–mass spectrometry is the most comprehensive method for characterizing asphalt VOCs. Asphalt VOCs mainly comprise alkanes, aromatics, and aliphatic hydrocarbons. Factors including the temperature, asphalt source, and ultraviolet radiation can all affect the release characteristics of asphalt VOCs. Elevated VOC levels contribute to the photochemical production of ozone and fine particulate matter, exacerbating air pollution and climate change. Additionally, specific asphalt VOCs, including benzene and polycyclic aromatic hydrocarbons, pose health risks to humans. While progress has been achieved in the current research, challenges persist in quantifying VOCs, assessing their environmental impacts and health risks, and implementing effective mitigation technologies. To address these challenges, future research should focus on establishing asphalt VOC fingerprints, quantitative methods, evaluation criteria, material innovation, optimization of construction processes, exposure assessment, and collaborative solution implementation.

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“…Current challenges and limitations SAP hydrogels and solid SAP residues are amenable to a wide range of analytical techniques including mechanical, spectroscopic and thermoanalytical approaches (Brax et al, 2017;Huang et al, 2022;Tian et al, 2022;Rosso et al, 2023). In soil, these methods may be used either for examining changes in the entire soil system, which is bulk analysis, or for the targeted qualitative and quantitative analysis of SAPs and their potential transformation to solid residues (Figure 3).…”

Section: Analytical Techniques For Investigating Saps and The Formati...mentioning

confidence: 99%

Superabsorbent polymers in soil: The new microplastics?

Buchmann,

Neff,

Meyer

et al. 2024

Camb. prisms Plast.

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The extensive use of synthetic polymers in our everyday lives has resulted in significant plastic pollution. Superabsorbent polymers (SAPs) are yet another class of anthropogenic materials with uncertain environmental implications. SAPs, like polyacrylates (PAA) or polyacrylamides (PAM), find applications in personal care products, construction, wastewater treatment, agriculture and soil remediation. However, when SAPs enter the soil, weathering may change their intended properties, potentially forming plastic-like solid residues over time. This review aims to evaluate the current scientific understanding of the application and environmental fate of SAPs in soil, focusing on the processes driving their potential transformation into solid residues. We explore analytical techniques for the qualitative and quantitative characterization of SAPs and solid SAP residues. Our research provides first insights into the potential mechanisms and conditions governing SAP aging and transformation, advancing our understanding of the fate of SAPs in soil and their impact on soil properties and functioning. There are specific knowledge gaps regarding the influence of climate change on the application and transformation of SAPs in soil. To facilitate future research, we suggest scrutinizing relevant processes of SAP transformation in the field, critically (re)evaluating SAP application to the soil and establishing robust monitoring methods.

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Identification and quantification of tire wear particles by employing different cross-validation techniques: FTIR-ATR Micro-FTIR, Pyr-GC/MS, and SEM

Cited by 24 publications

References 66 publications

Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Emission Characteristics, Environmental Impacts, and Health Risks of Volatile Organic Compounds from Asphalt Materials: A State-of-the-Art Review

Superabsorbent polymers in soil: The new microplastics?

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