The changes of the structure, physical and mechanical properties of POMs containing ZnO or carbon black under UV irradiation, thermal ageing and hot water ageing were studied.

• 采用炭黑和纳米级氧化锌两种光屏蔽剂对共聚甲醛进行耐老化改性,对比了改性前后聚甲醛耐紫外光、耐热氧及耐热水老化性能的变化。