A sulphur dioxide plasma was employed to modify the surface of polyurethane with diffenent functional groups and the effect of different groups to three factors was studied.

• 用二氧化硫辉光放电等离子体表面处理含有不同官能团的聚氨酯薄膜,研究了薄膜表面官能团对不同凝血因子的影响。