The effect of rotation shear and dynamic shear in the axial direction of the rotor on the microcellular foaming of PP/HDPE blend was investigated.

• 在熔体流动方向垂直叠加一个轴向脉动剪切,研究转子转动产生的剪切和轴向脉动剪切对PP/HDPE共混体系微孔发泡成型的影响。