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The Use of Combination of Clarithromycin -Nano Oxide Nanoparticles to Doping PVC to Protect it from Photodegradation
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Researchers tested how oxide nanoparticles (including titanium oxide) combined with an antibiotic could protect PVC plastic from breaking down under ultraviolet light. While focused on plastic durability for industrial applications, understanding PVC photodegradation is relevant to how plastics fragment into microplastics in the environment.
Films of polyvinyl chloride with oxide nanoparticles (MgO, NiO, TiO2, and ZnO) and clarithromycin were prepared. Oxide nanoparticles were used in low concentrations (0.01% by weight) along with clarithromycin. The analysis of oxide nanoparticles and clarithromycin as UV blockers for PVC photodegradation investigations into weight loss, surface morphology, and IR changes, revealed that titanium oxide, especially, protects PVC from harmful ultraviolet light.
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Metal Oxide Nanoparticles Containing Clotrimazole to Suppress Photodegradation of Poly(Vinyl Chloride) Thin Films
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Researchers found that blending PVC films with metal oxide nanoparticles and clotrimazole significantly reduced photodegradation, with nickel oxide proving most effective by scavenging hydrogen chloride and inhibiting peroxide formation, offering a strategy to improve PVC photostability and reduce plastic fragmentation.
Photoaging processes of polyvinyl chloride microplastics enhance the adsorption of tetracycline and facilitate the formation of antibiotic resistance
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Researchers found that UV photoaging of PVC microplastics significantly enhanced their ability to adsorb the antibiotic tetracycline and facilitated the development of antibiotic resistance in surrounding microorganisms, raising concerns about aged microplastics in aquatic environments.
Synthesis of New Norfloxacin–Tin Complexes to Mitigate the Effect of Ultraviolet-Visible Irradiation in Polyvinyl Chloride Films
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Researchers synthesized novel norfloxacin-tin complexes and evaluated their effectiveness as photostabilizing additives for polyvinyl chloride films, finding that the organotin compounds significantly reduced photodegradation of PVC under ultraviolet-visible irradiation.
Enhanced Photo-Oxidative Degradation of Polyethylene Films Using Piperonyl-Functionalized TiO2
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Researchers modified a titanium dioxide material to speed up the breakdown of polyethylene plastic film under UV light in lab tests. Treated films broke down into much smaller molecules, and these fragments were then colonized by two types of fungi, suggesting they could potentially be degraded by microbes. The authors note further testing with plastic particle shapes relevant to microplastics is needed.
A Comparative Study of the Photostabilization of Polyvinyl Chloride with Nano and Micro Nickel Oxide
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Researchers examined nano and micro nickel oxide (NiO) as photostabilizing additives for polyvinyl chloride (PVC) films, synthesizing NiO nanoparticles via chemical methods and characterizing them by XRD and FESEM, then testing composite PVC-NiO films under UV irradiation at doses from 0 to 300 hours. FTIR and UV-VIS spectroscopic analyses revealed differences in photodegradation behavior between nano and micro NiO additives, with implications for producing photodegradable or photostabilized PVC materials.
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.