The influences of extrusion conditions on the flow behaviour of general -purpose polystyrene (PS666) and high-impact polystyrene (PS470) were investigated with a capillary rheomcter.

• 应用毛细管流变仪,考察了挤出条件对通用型聚苯乙烯(PS666)和高抗冲聚苯乙烯(PS470)熔体流动行为的影响。