Morphology, morphology development and mechanical properties of polystyrene/polybutadiene blends |
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Authors: | Susan Joseph |
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Institution: | a St. Stephen’s College, Pathanapuram 689695, Kerala, India b School of Chemical Sciences, Priyadarshini Hills P.O., Mahatma Gandhi University, Kottayam 686560, Kerala, India |
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Abstract: | Polystyrene/polybutadiene (PS/PB) blends with different plastic/rubber ratios were prepared by melt mixing. A detailed investigation on phase morphology development of 30/70 wt.% PS/PB blends as a function of processing conditions was quantitatively analyzed. Morphology is developed at the initial stages of mixing. Suitable blending conditions resulting in optimum phase morphology were obtained at 180 °C, 60 rpm and at 8 min mixing time. Phase morphologies of the blends were also studied as a function of composition. Mechanical properties of the blends were measured. Attempts were made to correlate the morphologies with the properties. Parallel-Voids model has been applied to characterize phase morphology of these blends. |
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Keywords: | Blends Morphology development Morphology Mechanical properties |
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