PVP改性PDMS/PAN中空纤维复合膜提升表面亲水性
胡磊青,程军,王亚丽,刘建忠,周俊虎,岑可法

Improvement on surface hydrophily of hollow fiber-supported PDMS gas separation membrane by PVP modification
Lei-qing HU,Jun CHENG,Ya-li WANG,Jian-zhong LIU,Jun-hu ZHOU,Ke-fa CEN
表 1 PVP接枝改性前后PDMS/PAN中空纤维复合膜表面特征元素质量分数变化
Tab.1 Variation of mass fraction of special elements on surface of PDMS/PAN hollow fiber composite membrane before and after PVP grafting modification
MT/P PVP接枝改性 wB/%
Si N
2∶3 改性前 24.12 2.28
改性后 22.59 3.04
10∶3 改性前 22.64 2.22
改性后 16.32 4.58
18∶3 改性前 21.66 2.03
改性后 14.82 7.70