Super-fine inorganic powder modified by surface active agent of bio-active agent and Rare Earth compound (photo-sensitizer) was used as filler, the degradable PP batch was prepared on an extruder.

• 采用复合无机粉体为填充剂,以生物活性剂和稀土配合物复合体系光敏剂为混合表面处理剂,经挤出造粒制备可环境消纳聚丙烯(PP)母料;