The new extrusion equipment has been designed to research the rheological behavior of LLDPE extrusion moulding in complex stress filed of vibration and shearing.

• 利用振动剪切挤出装置研究了线性低密度聚乙烯(LLDPE)在振动与旋转剪切复合力场中挤出成型时的流变行为。