Invention Application
US20120205833A1 PELLETIZING HIGH MELT FLOW POLYSTYRENE 审中-公开
高灵敏度流动聚苯乙烯(PELLETIZING HIGH MELT FLOW POLYSTYRENE)

PELLETIZING HIGH MELT FLOW POLYSTYRENE
Abstract:
Methods and systems for pelletizing high melt flow polystyrene are described herein. The method generally includes providing a polystyrene including a melt flow index of about 16 g/10 min to about 34 g/10 min; extruding a strand of the polystyrene through a die head, wherein a temperature of the polystyrene at the die head is from about 370° to about 430° F.; and moving the strand through a bath, wherein a temperature of the bath is from about 95° to about 145° F.
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