By changing concentrations of polypropylene and nucleating agent in proper diluent,the morphology and pore size and structure in microporous iPP film can be controlled.

• 研究表明 ；通过改变稀释剂、聚丙烯浓度和成核剂种类及浓度 ；可以改变聚丙烯微孔膜的形态、孔结构和孔径大小 .