Also, the rheology of the mixture of crosslinked PP and decomposed gas of AC was analyzed, and the evolving equation which describes the apparent viscosity of the PP melt mixture in the foaming die was gained.

• 同时，对交联PP/AC分解气体混合熔体在机头口模流道中的流变过程进行了初步的数学推导，得出了描述口模流道中PP混合熔体表观粘度的微分方程。