Abstract
This work presents a novel polyvinyl alcohol (PVA)-polyethylene oxide (PEO) nanocomposite with halloysite nanotube (HNT)-nanocellulose (NC) hybrid filler to tailor the mechanical, thermal, and barrier properties. PVA-PEO/ HNT-NC nanocomposites are characterized using various analytical techniques such as FTIR, XRD, TGA, DSC, and SEM. The study evaluated the impact of hybrid filler on water vapor transmission rate (WVTR), moisture retention capacity (MRC), peroxide value (POV), and mechanical properties. The simultaneous application of 3 wt% HNT and 5 wt% NC resulted in a 20 % increase in tensile strength and approximately two-fold increase in Young's modulus, with a maximum degradation temperature increase of 22° C and 16° C in the second and third stages, respectively. Compared to the pure blend, the nanocomposite exhibited a 67 % (26.7 ± 0.6 mEq/kg) improvement in oxygen barrier performance, while maintaining a low WVTR and good MRC, demonstrating their suitability for packaging applications.
Published Version
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