Researchers from the University of Bayreuth have examined two standard dispersion paints and found that they contain numerous solid particles that are barely a few micro- or nanometers in size. Dispersion paints are often used in homes to paint walls and ceilings. An interdisciplinary research te
The researchers also found that a new membrane demonstrated powerful filtering effects.
These are distinguished primarily by their dripping properties since they were designed for wall painting on the one hand and ceiling painting on the other. The solids content of the two paints is 49 and 21% by weight, respectively, while the organic content is 57 and 7% by weight. Characteristic solid components in the micro- or nanometer range are particles of silicon dioxide, titanium dioxide, and calcium carbonate, as well as particles of various kinds of plastic, especially polyacrylate.
“Our research shows that the ingredients of dispersion paints can cause reactions of varying degrees in organisms and cells. Therefore, the possibility that the ingredients could be harmful to the environment cannot be ruled out. Further research in this area is urgently needed, especially since we still know far too little about whether interactions between nanoparticles made of plastic and inorganic nanoparticles can trigger additional damage,” explains Professor Dr.
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