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- W4386934682 abstract "Abstract The development of bioactive, multi-functional, and cost-effective nanocomposite filaments for additive manufacturing (AM) is pivotal for the evolution of biomedical and healthcare sectors. Herein, an industrially scalable process is reported, to produce medical grade PA12/AgNP nanocomposites, through in-situ reactive melt-mixing, occurring within the filament extruder. Bactericidal elemental nanoparticles (Ag 0 ) were formed by silver ions (Ag + ) reducing from the Silver Nitrate (Ag 2 NO 3 ) precursor, which was suitably added to the polymer melt. Polyvinyl Alcohol (PVA) was deployed in the compound melt, as a reducing macromolecular agent. The produced nanocomposite filaments were utilized to fabricate samples with Material Extrusion (MEX) AM. A total of sixteen (16) different tests were conducted on filaments and 3D-printed samples to assess their mechanical, rheological, thermal, and antibacterial characteristics, in accordance with international standards. The nanocomposites exhibited a significant mechanical reinforcement of up to 50% compared to PA12. Additionally, the Ag-based nanocomposites demonstrated remarkable antimicrobial behavior in the presence of Staphylococcus aureus ( S. aureus ) and Escherichia coli ( E. coli ) microbes." @default.
- W4386934682 created "2023-09-22" @default.
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- W4386934682 date "2023-09-21" @default.
- W4386934682 modified "2023-10-16" @default.
- W4386934682 title "Medical grade polyamide 12 silver nanoparticle filaments fabricated with in-situ reactive reduction melt-extrusion: rheological, thermomechanical, and bactericidal performance in MEX 3D printing" @default.
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- W4386934682 doi "https://doi.org/10.1007/s13204-023-02966-4" @default.
- W4386934682 hasPublicationYear "2023" @default.
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