Study of electrospun PVA-based concentrations nanofibre filled with Bi2O3 or WO3 as potential x-ray shielding material

Jamil, Munirah; Hazlan, Muhammad Hazritz; Ramli, Ramzun Maizan; Azman, Nurul Zahirah Noor

doi:10.1016/j.radphyschem.2018.11.018

Cited by 45 publications

(17 citation statements)

References 11 publications

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“…Lead plates are generally sewn to a polymer with the intention of creating a wearable form. Nevertheless, the heavy weight, toxicity, detachment and fracture problems caused by these have been the most important focus of research in the recent literature [10][11][12]. It is hard and/or time consuming to protect different organs with several items of lead shielding equipment, and this becomes heavier for children especially.…”

Section: Introductionmentioning

confidence: 99%

Evaluating the X-ray-Shielding Performance of Graphene-Oxide-Coated Nanocomposite Fabric

et al. 2022

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Exposure to ionizing radiation (IR) during diagnostic medical procedures brings certain risks, especially when experiencing recurrent exposures. The fabrication of nano-based composites, doped with different nanoparticles, have been suggested as effective shielding materials to replace conventional lead-based ones in material sciences and nanotechnology. In this study, commercially available fabrics, used to produce scrubs and gowns for clinical staff, are modified utilizing graphene oxide (GO) nanoparticles using a layer-by-layer (LBL) technique. GO was obtained from graphite through environmentally friendly technology by using a modified–improved Hummers’ method without NaNO3. Lightweight, flexible, air- and water-permeable shielding materials are produced that are wearable in all-day clinical practice. The nanoparticles are kept to a minimum at 1 wt%; however, utilizing the LBL technique they are distributed evenly along the fibers of the fabrics to achieve as much shielding effect as possible. The evaluation of samples is accomplished by simulating real-time routine clinical procedures and the radiographic programs and devices used daily. The GO-coated nanocomposite fabrics demonstrated promising results for X-ray shielding.

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Section: Introductionmentioning

confidence: 99%

Evaluating the X-ray-Shielding Performance of Graphene-Oxide-Coated Nanocomposite Fabric

et al. 2022

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“…Consequently, diverse researchers have used various types of polymers as a matrix and have included fillers that provide reinforcement, depending on their overall application. The most used composites in X-and γ-rays shields are polymeric materials reinforced by metal and metal oxide [6][7][8][9]. As noted in the literature, metal-polymer composites generally combine two dissimilar components forming a light lattice together with Z particles [10].…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, it was established that increasing Bi 2 O 3 in composites decreases the agglomeration of fillers. However, the composite of PVA containing 0–40 wt% filler loading (Bi 2 O 3 and WO 3 ) used in X-ray shielding is reported to play an important role in determining the density and the thickness of the composite sample [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

LDPE/Bismuth Oxide Nanocomposite: Preparation, Characterization and Application in X-ray Shielding

et al. 2021

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Recently developed polymer-based composites could prove useful in many applications such as in radiation shielding. In this work, the potential of a bismuth oxide (Bi2O3) nanofiller based on an LDPE polymer was developed as lead-free X-ray radiation shielding offering the benefits of lightness, low-cost and non-toxic compared to pure lead. Three different LDPE-based composites were prepared with varying weight percentages of Bi2O3: 5%, 10% and 15%. The characterizations were extended to include structural properties, physical features, mechanical and thermal properties, and radiation shielding efficiency for the prepared nanocomposites. The results revealed that the incorporation of the Bi2O3 nanofiller into an LDPE improved the density of the composites. There was also a slight increase in the tensile strength and tensile modulus. In addition, there was a clear improvement in the efficiency of the shield when fillers were added to the LDPE polymer. The LDPE + Bi2O3 (15%) composite needed the lowest thickness to attenuate 50% of the incident X-rays. The LDPE + Bi2O3 (15%) polymer can also block around 80% of X-rays at 47.9 keV. In real practice, a thicker shield of the proposed composite materials, or a higher percentage of the filler could be employed to safely ensure the radiation is blocked.

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“…Given the acute health effects such as skin burns, radiation syndrome, and potential cancerous diseases upon exposure to high levels of X‐ray radiation, more attention has been paid to the development of effective shielding materials [3,4] . Practically, radiation‐shielding materials are often used in power plants, medical diagnostic centers, nuclear research establishments to protect personnel in the form of a thick film, wall, or glass containing high atomic number elements (e. g., lead, tungsten, and bismuth) that can effectively block various radiation sources and doses for human body [1,2,4–7] . Industrial and medical facilities typically build specially isolated areas to prevent external exposure of the radiation generated by certain machineries, and shielding sheets or suits are commonly used to protect workers from being exposed to high levels of radiation doses.…”

Section: Introductionmentioning

confidence: 99%

“…To avoid any adverse effects associated with lead (e. g., lead poisoning) on the natural environment and human health during manufacturing process, regular usage, and disposal of the shielding products, [12,26,27,29,33–35] much less toxic elements from high atomic numbers such as tungsten, bismuth, and barium are of great alternatives as shielding components [36–38] . Among these, tungsten with a particularly high density (19.25 g/cm 3 ) and low chemical reactivity can be properly fabricated to serve as a substitute for lead [7,34] . In this study, an electrospinning method is utilized to uniformly incorporate small tungsten powders in PU polymer nanofibers to manufacture shielding mats.…”

Section: Introductionmentioning

confidence: 99%

Electrospun Tungsten‐Polyurethane Composite Nanofiber Mats for Medical Radiation‐Shielding Applications

et al. 2021

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Electrospun composite nanofiber mats consisting of polyurethane (PU) and nontoxic tungsten powder are manufactured via electrospinning for use as X‐ray shielding materials. Upon systematical formation of tungsten‐PU composite nanofiber layers, heat and pressure are simultaneously treated to design light‐weight mats containing various amount of tungsten metals. After examining their structural and physical properties, the X‐ray mass attenuation coefficient, nitrogen permeability, and flexibility of the resulting mats are compared to conventional film‐type shielding mats. While the nanofiber‐based composite mats still exhibit a comparable X‐ray mass attenuation coefficient (9.64 cm2/g), their gas permeability (8.56 L/min) and flexibility (bending angle of 28.8°) are almost two and five times higher than those of conventional mats, respectively. This work clearly demonstrates the preparation of effective composite mats with controlled properties for the development of nontoxic shielding suits that can replace conventional lead‐based materials possessing environmental and health concerns.

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Study of electrospun PVA-based concentrations nanofibre filled with Bi2O3 or WO3 as potential x-ray shielding material

Cited by 45 publications

References 11 publications

Evaluating the X-ray-Shielding Performance of Graphene-Oxide-Coated Nanocomposite Fabric

Evaluating the X-ray-Shielding Performance of Graphene-Oxide-Coated Nanocomposite Fabric

LDPE/Bismuth Oxide Nanocomposite: Preparation, Characterization and Application in X-ray Shielding

Electrospun Tungsten‐Polyurethane Composite Nanofiber Mats for Medical Radiation‐Shielding Applications

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