摘要
研究了ＰＶＣ材料通过矩形口模挤出时，口模的几何参数和剪切速率对离模膨胀的影响，并从理论上分析了其特征规律。
The effects of geometrical parameters of die and shear rates on the die swell of PVC extruded through rectangular die were discussed, and the special rules were also analyses theoretically.
关键词
聚氯乙烯
挤出
离模膨胀
Polyvinyl chloride
Extrusion
Expansions/Die swell
