Solid Phase Degradation Study on Polyethylene-Rhodamine B Composite under UV light

Document Type : Original Article


    In the present work, Polyethylene- Rhodamine B composites at various concentration of Rhodamine B dye in 200 µm thickness were fabricated. Various influencing concepts like radiation time and concentration on photodegradtion of Rhodamine B in solid state was investigated. The oxidation was studied by FT-IR spectroscopy and it was shown that the oxidation products consisting carbonyl group are obtained. All samples exhibited significant changes in color with exposure conditions. Results indicated that the photodegradation efficiency was increased by rising radiation intensity, dye concentration and time of exposure. Also, it was showed that the photodegradation kinetics obeys a first-order kinetic model.


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