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Keyword: Polyvinyl alcohol

Nano-structured natural bentonite clay coated by polyvinyl alcohol polymer for gamma rays attenuation

AbstractThe main goal of this work is to find natural rock materials that can be used as effective gamma rays shielding at minimal cost, reliability and wide applications. It must be at particular weight and volume (lighter and more protection). Natural bentonite clay can be used as shelters from nuclear waste because of its large […]

Effect of dye concentration on the optical properties of red-BS dye-doped PVA film

AbstractIn this experimental study, the effect of dye concentration on the optical properties of red-BS dye-doped polyvinyl alcohol (PVA) thin films is investigated. Three thin film samples with different concentration of red-BS dye were prepared by spin-coating method on the glass substrate. Using transmission and reflection spectrum of films, their optical parameter such as refractive […]