Investigation of the effect of electron beam irradiation on tensile, thermal and gas barrier properties of graphene nanoplatelet loaded thermoplastic nanocomposite films

Ghosh, Suman Kumar; Nath, Krishnendu; Paul, Sangit; Ghosh, Trisita; Das, Narayan Ch.

doi:10.1016/j.radphyschem.2023.111310

Radiation Physics and Chemistry

2024

DOI: 10.1016/j.radphyschem.2023.111310

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Investigation of the effect of electron beam irradiation on tensile, thermal and gas barrier properties of graphene nanoplatelet loaded thermoplastic nanocomposite films

Suman Kumar Ghosh,

Krishnendu Nath,

Sangit Paul

et al.

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2024

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Cited by 5 publications

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Effect of graphene nanoplatelets and nano zinc oxide on gas barrier and antibacterial properties of thermoplastic nanocomposites

Ghosh,

Ganguly,

Paul

et al. 2024

Polymer Engineering & Sci

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Graphene‐loaded thermoplastic nanocomposite films must be evaluated for antibacterial activity, mechanical, and barrier properties before being utilized as food packaging. Herein, economically feasible linear low‐density polyethylene (LLDPE)‐based flexible packaging materials were developed via the melt compounding technique at 170°C temperature by taking advantage of both graphene nanoplatelets (GNP) and nano zinc oxide (ZnO) fillers. Morphological studies reveal that in composites loaded with GNP/ZnO hybrid fillers, ZnO nanoparticles form a network‐like structure throughout the polymer matrix. Simultaneously, GNPs are uniformly dispersed. The inclusion of hybrid nanofiller considerably reduces both the oxygen transmission rate and the water vapor transmission rate (WVTR) in LLDPE nanocomposites. A maximum decrease of 36% and 67%, respectively, in both oxygen transmission rate and WVTR is observed for 3 wt% of hybrid filler loading in a thermoplastic matrix containing 1 wt% of nano ZnO. The antibacterial efficacy of the derived nanocomposite films is obvious against gram‐positive (Bacillus subtilis) and gram‐negative (Escherichia coli) bacterial strains. These nanocomposite films have the potential to be successfully utilized as flexible packaging materials owing to their improved thermal, barrier, and antibacterial effectiveness.Highlights GNP/ZnO was used as a hybrid reinforcing filler in the LLDPE matrix. ZnO nanoparticles establish a network‐like morphology. LLDPE nanocomposite films exhibited excellent antibacterial activity. Oxygen and water vapor barrier properties were significantly improved. The thermoplastic composite films could be used as food packaging materials.

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Effect of graphene nanoplatelets and nano zinc oxide on gas barrier and antibacterial properties of thermoplastic nanocomposites

Ghosh,

Ganguly,

Paul

et al. 2024

Polymer Engineering & Sci

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Revealing the effects of electron beam irradiation on the structural, optical, thermal, and dielectric properties of PVC/Ag2WO4 nanocomposite films

Abdel Maksoud,

Fahim,

Kassem

et al. 2024

Opt Quant Electron

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Herein, rod-like shape of Ag2WO4 was synthesized using the co-precipitation approach. These rods were mixed with PVC using the solution casting process to create a PVC/Ag2WO4 nanocomposite film. The effect of exposing the PVC/Ag2WO4 nanocomposite film to varying doses of the electron beam (E-beam) irradiation (0, 25, 50, and 100) kGy on its structural, optical, thermal, electric modulus, complex impedance, and dielectric properties was investigated. XRD results showed that Ag2WO4 has mixed phases. The optical properties have been addressed. The thermal evaluations were performed at three distinct heating rates: 6, 8, and 10 °C/min. In the same context, the thermal activation energy (Ea) of the unirradiated PVC/Ag2WO4 nanocomposite films increased from 12.89 to 31.17 kJ/mol with the increase in E-beam irradiation doses. As a result, E-beam irradiation reduces the values of the real (ɛ′) and imaginary (ε″) components of PVC/Ag2WO4 nanocomposite films. The electric modulus analyses showed that the magnitude of the grain capacitance increased as the E-beam doses increased, while the magnitude of the grain boundary capacitance exhibited a decreasing trend. Meanwhile, a progressive reduction in the diameter of the two semicircular arcs for complex impedance analyses was observed as the doses of E-beam irradiation increase.

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Impact of electron-beam and gamma-ray on the compressive strength, surface features and phase composition of β-Ni(OH)2-impregnating-geopolymer pastes

Amin,

Mohsen,

Deghiedy

et al. 2024

Case Studies in Construction Materials

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Investigation of the effect of electron beam irradiation on tensile, thermal and gas barrier properties of graphene nanoplatelet loaded thermoplastic nanocomposite films

Cited by 5 publications

References 48 publications

Effect of graphene nanoplatelets and nano zinc oxide on gas barrier and antibacterial properties of thermoplastic nanocomposites

Effect of graphene nanoplatelets and nano zinc oxide on gas barrier and antibacterial properties of thermoplastic nanocomposites

Revealing the effects of electron beam irradiation on the structural, optical, thermal, and dielectric properties of PVC/Ag2WO4 nanocomposite films

Impact of electron-beam and gamma-ray on the compressive strength, surface features and phase composition of β-Ni(OH)2-impregnating-geopolymer pastes

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