We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Paint has the potential to release microplastics, nanoplastics, inorganic nanoparticles, and hybrid materials
AI summary Read the abstract
Researchers used Raman imaging to show that common house paint — which contains polymer binders — can release microplastics and nanoplastics when it ages, scratches, or peels, often carrying titanium dioxide nanoparticles along with it. This means everyday painted surfaces in our homes and offices are a previously underappreciated source of plastic particle pollution.
Abstract Background When we paint our houses or offices, we might paint plastic, because most paints are generally formulated with polymer binders. After drying and curing, the binders fix the colourants on the painted surface as a film of plastic mixture, which is tested herein using Raman imaging to analyse and directly visualise the hybrid plastic-colourant (titanium dioxide or TiO 2 nanoparticles). Results For the plastic mixture or hybrid, the co-existence and competition between the Raman signals of plastic and TiO 2 complicate the individual analysis, which should be carefully extracted and separated in order to avoid the weak signal of plastic to be masked by that of TiO 2 . This is particularly important when considering the Raman activity of TiO 2 is much stronger than that of plastic. Plastic is observed to coat the TiO 2 nanoparticle surface, individually or as a bulk to embed the TiO 2 nanoparticles as mixture or hybrid. Once branched, pended, scratched or aged, the paint can also be peeled off from the painted surface, including gyprock, wood and glass, releasing microplastics and nanoplastics (coating onto the individual TiO 2 nanoparticle surface or embedding the TiO 2 nanoparticles, or individually as particles) in potential. Conclusions Our test sends us a warning that we are surrounded by plastic items that might release microplastics and nanoplastics in potential, for which the risk assessment is needed. Overall, Raman imaging is a suitable approach to effectively characterise microplastics and nanoplastics, even from the mixture with the hybrid background and the complicated interference. Graphical Abstract
More Papers Like This
Paint - A key source of microplastics to the environment: Fate, effects, and mitigation strategies
AI summary Read the abstract
Paint chips and coatings are a major, often overlooked source of tiny plastic particles (microplastics) that wash into our air, water, and soil as they weather and break down over time. This matters because these particles can end up in the food and water we consume, and scientists are still working to understand the health effects of ongoing microplastic exposure. This paper reviews existing research on how paint pollution happens and explores ways to reduce it, such as better product design and disposal practices.
Paint - A key source of microplastics to the environment: Fate, effects, and mitigation strategies
AI summary Read the abstract
This paper is part of a research series looking at where tiny plastic particles (microplastics) in our environment come from, with this one focusing on paint as a major source. Paint on buildings, roads, and ships breaks down over time and sheds plastic particles into air, water, and soil, adding to the microplastics we may breathe in, drink, or eat. Understanding paint as a pollution source matters because it can help guide better paint formulas and disposal practices to reduce our overall exposure to these particles.
The potential release of microplastics from paint fragments: Characterizing sources, occurrence and ecological impacts
AI summary Read the abstract
This review examines paint fragments as a significant but often overlooked source of microplastic pollution, coming from deteriorating building coatings, road markings, and ship hulls. Beyond the plastic particles themselves, paint fragments can release toxic biocides and heavy metals that harm aquatic and terrestrial organisms. The findings highlight paint as a source of microplastics that people may encounter through water, air, and food, but which receives far less attention than packaging or textile sources.
Characterization and evaluation of environmental impact of wall paints
AI summary Read the abstract
This study characterized seven commercially available wall paints and assessed their potential as environmental pollutants through abrasion and weathering. The researchers found that paint degradation releases microplastics and potentially toxic pigment compounds, identifying architectural coatings as an underrecognized source of plastic particulate pollution.
GLOBAL WARNING Plastic paint
AI summary Read the abstract
This review paper argues that common wall and marine paints are a hidden but major source of microplastic pollution, releasing tiny plastic bits as they weather and break down over time. These fragments can carry heavy metals into soil and water. The authors suggest older lime and mineral based paints as safer alternatives, and call for more regulation.
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.