Exerted a sine vibration in parallel direction of melted polymer flow, a characterization formula of meltage shear rate in a capillary was set up.

• 借助自行研制的恒速型毛细管动态流变实验研究装置,对平行叠加振动条件下聚合物熔体经毛细管的挤出过程进行了分析;