Fabrication, structural, optical, and dielectric properties of PVC-PbO nanocomposites, as well as their gamma-ray shielding capability

RA Elsad, KA Mahmoud, YS Rammah… - Radiation Physics and …, 2021 - Elsevier
Physical, linear optical, dielectric spectroscopy and photon shielding competence of
fabricated PVC (polyvinyl chloride) doped with xPbO nanoparticles (x= 0, 2.5, 5, 10, 15, and …

AC conductivity and dielectric relaxation of chitosan/poly (vinyl alcohol) biopolymer polyblend

T Fahmy, H Elhendawi, WB Elsharkawy… - Bulletin of Materials …, 2020 - Springer
Polyblend samples of chitosan/poly (vinyl alcohol)(PVA) have been prepared using a
casting technique. Scanning electron microscopy, Fourier transform infrared spectroscopy …

Fluorescence and dielectric spectroscopy identification of polyvinyl chloride/NiO nanocomposites

TA Taha, N Hendawy, S El-Rabaie, A Esmat… - Journal of Molecular …, 2020 - Elsevier
Fluorescence spectra of the polyvinyl chloride (PVC)/NiO nanocomposites examined after
excitation with wavelength of 340 nm. It revealed a visible emission peak shifted to longer …

Thermal degradation and optical characteristics of plasticized poly (vinyl chloride-co-vinyl acetate-co-2-hydroxypropyl acrylate) terpolymer

MM Elmahdy, MT Ahmed, KA Aldhafeeri… - Journal of Materials …, 2022 - Springer
Casting method was employed to prepare films of poly (vinyl chloride-co-vinyl acetate-co-2-
hydroxypropyl acrylate)(PVVH) terpolymer doped with different amounts of …

Effect of load spatial configuration on the heating of chicken meat assisted by radio frequency at 40.68 MHz

SM Goñi, M d'Amore, M Della Valle, DF Olivera… - Foods, 2022 - mdpi.com
Food heating assisted by radio frequencies has been industrially applied to post-harvest
treatment of grains, legumes and various kind of nuts, to tempering and thawing of meat and …

AC conductivity and broadband dielectric spectroscopy of a poly (vinyl chloride)/poly (ethyl methacrylate) polymer blend

T Fahmy, H Elzanaty - Bulletin of Materials Science, 2019 - Springer
Alternating-current (ac) conductivity and dielectric relaxation behaviour of a poly (vinyl
chloride)/poly (ethyl methacrylate) polymer blend have been investigated intensively in a …

Effect of γ-irradiation on thermally stimulated depolarization current spectra of polyethylene-grafted-poly (Acrylic acid)

WB Elsharkawy, MT Ahmed… - Radiation Effects and …, 2022 - Taylor & Francis
The graft copolymerization process of polyethylene (PE) with acrylic acid is performed using
a 60Co-gamma irradiator, and the samples are irradiated at different doses, 30, 50, 70 and …

Investigation of piezoelectric effect and thermally stimulated depolarization current of poly (vinyl chloride–co-vinyl acetate–co-2-hydroxypropyl acrylate)/poly …

A Hassan, A Habib, MI Abdelhamid, T Fahmy… - …, 2023 - Taylor & Francis
DSC measurements revealed that the ferroelectric-paraelectric (FP) transition point of PVDF-
TrFE has been affected after blending with PVVH. XRD pattern and FTIR spectra of PVVH …

[HTML][HTML] Investigation of Thermal, Optical Properties, AC Conductivity and Broadband Dielectric Spectroscopy of Poly (Ethyl Methacrylate)/Poly (Vinyl Chloride) …

WB Elsharkawy, H Elzanaty, ZM Elqahtani, T Fahmy… - Results in …, 2024 - Elsevier
This work reports the structural, thermal, optical and electrical properties of PEMA, PVC and
their polyblends. These properties are investigated by FTIR, TGA, UV/Vis and broadband …

[PDF][PDF] Broadband dielectric spectroscopy and electric modulus analysis of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) and related copolymers films

T Fahmy, MT Ahmed, A El-Kotp, HG Abdelwahed… - Int. J. Phys …, 2016 - researchgate.net
The dielectric relaxation behavior of pure (3-hydroxybutyrate), PHB and its copolymer (3-
hydroxybutyrate-co-3-hydroxyvalerate), PHB-HV, is investigated in wide range of frequency …