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Cl-Containing Microplastics from the Environment
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This paper reviews chlorine-containing microplastics found in the environment, covering their sources, detection methods, and potential hazards. Researchers found that chlorinated polymers such as PVC are particularly concerning because of the toxic compounds they can release during degradation.
One of the critical process steps in the assembly of integrated circuits is the making of the connection between the silicon chip and the outside world. This is done by a thermo-sonic welding process of sometimes more than 800 copper wires to the aluminum bond pads. The Al-Cu intermetallic compound formed during this process is sensitive for trace amount of chloride from the environment. It is found that Cl-containing microplastics are the source of this chloride and further analyzing these particles helps to identify the origin of these particles.
More Papers Like This
Risks Associated with the Presence of PVC in the Environment and Methods of Its Elimination
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This review summarized the environmental risks posed by polyvinyl chloride (PVC) plastics, including the release of toxic additives and microplastic formation during degradation, and assessed current methods for its elimination from the environment.
Risks Associated with the Presence of Polyvinyl Chloride in the Environment and Methods for Its Disposal and Utilization
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This review examines the environmental and health risks of polyvinyl chloride (PVC), one of the most common plastics. As PVC breaks down into microplastics, it contaminates soil, water, and even drinking water, entering the food chain and exposing humans to harmful effects. The paper surveys methods being developed to clean up and remove PVC microplastics from the environment.
Elucidating the role of overlooked environmentally persistent free radicals and reactive chlorine species on photoaged chlorine-containing microplastics: New insights into formation mechanisms and health risks
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Researchers investigated the formation of environmentally persistent free radicals and reactive chlorine species on photoaged chlorine-containing microplastics like PVC and PVDC. The study revealed previously overlooked chemical transformations during microplastic aging that may pose additional health risks beyond the physical presence of the plastic particles themselves.
Volatile organic compounds generation pathways and mechanisms from microplastics in water: Ultraviolet, chlorine and ultraviolet/chlorine disinfection
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Researchers examined how UV, chlorine, and combined UV/chlorine disinfection treatments cause microplastics to release volatile organic compounds, identifying distinct degradation pathways for polypropylene, polystyrene, and PVC that generate diverse chemical byproducts in treated water.
Chlorination-driven leaching and characterization of dissolved organic matter from PVC microplastics
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PVC plastic pipes are common in water systems, and this study found that chlorine (the disinfectant used to keep tap water safe) actually breaks down PVC microplastics faster, causing them to release more dissolved carbon-based compounds into the water, especially early on and at higher chlorine levels. This matters because it suggests the very process we use to disinfect drinking water may be speeding up plastic breakdown in pipes, potentially adding more tiny plastic particles and byproducts to the water we drink, though more research is needed to know exactly how this affects human health.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.