Effect of ultrasound on the viscoelastic
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Yingzi Chen; Huilin Li
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Article
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2006
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John Wiley and Sons
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English
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## Abstract The rheological and processing behavior (melt fracture performance) of polystyrene extruded through a slit die is studied as a function of the ultrasound vibration intensity. The apparent viscosity reduces 29% and die pressure reduces 22% compared with that without ultrasound vibration.