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The high impact between the metal balls in a ball mill reactor and the polymer surface is sufficient to momentarily liquefy the polymer and facilitate chemical reactions.
Researchers have developed a method to break down polyethylene terephthalate, one of the world’s most widely used plastics, using mechanical forces instead of heat or harsh chemicals. Published in the journal Chem, their findings demonstrate how a “mechanochemical” method — chemical reactions driven by mechanical forces such as collisions — can rapidly convert PET back into its basic building blocks, opening a path toward faster, cleaner recycling.
Oct 10, 2025
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<p><em>Kinga Gołąbek</em></p>
Mercury ID
678330
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<p>Prof. Carsten Sievers</p>
Mercury ID
678331