DA-PEI共沉积表面改性阳离子交换膜的制备

周键, 夏蒙玥, 张航飞, 刘俏君

Preparation of Dopamine and Polyethyleneimine Co-deposition Modified Cation Exchange Membrane

ZHOU Jian, XIA Mengyue, ZHANG Hangfei, LIU Qiaojun

表2 原膜和改性膜表面元素的含量

Table 2 Content of elements on the surface of the original membrane and the modified membrane (mass fraction, %)

C O N M0 95.0 4.8 0 M1 94.7 5.0 0.2 M2 93.7 6.0 0.3 M3 92.9 6.4 0.6 M4 90.7 7.4 0.8 M5 94.3 5.4 0.3