Many factors affecting cell nucle ation and cell growth among the extrusion process such as preshaping pressure, melt temperature, melt viscosity, interfa cial tension,take-up speed and the te.

• 针对微孔塑料挤出的全过程,对影响气泡成核、成长及泡孔密度的诸多因素如预定型压力、熔体温度、粘度、气泡界面张力、定型卷取速度。