Summary
In this study, LDPE active packaging films (ANFs) were produced by incorporating 1% Ag, Sn nanoparticles, and an Ag-Sn nanoalloy, and comprehensive characterization analyses were conducted. TGA results revealed that the addition of Sn nanoparticles, in particular, led to a significant increase in film thermal stability. In contrast, the Ag nanoparticles and Ag-Sn nanoalloy additions showed limited changes compared to the control film. FTIR analyses demonstrated that the additives successfully integrated into the polymer matrix and provided structural compatibility without introducing new functional groups. SEM and elemental distribution maps confirmed that the nanoparticles were homogeneously distributed on the surface. The Ag and Sn nanoparticles additions caused minimal changes in color
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