Modification of polysulfone membranes and their application to gas separations

被引：0
|
作者：
Rhim, JW [1 ]
Kim, JR
Park, YI
Lee, KH
机构：
[1] Hannam Univ, Dept Chem Engn, Taejon 306791, South Korea
[2] Korea Res Inst Chem Technol, Ctr Separat Mat, Taejon 305600, South Korea
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2001年 / 7卷 / 05期
关键词：
polysulfone; modification; PFPA; TFI; ESCA; contact angles; pure water permeability; O-2; N-2; CO2; diffusivity; solubility;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The surface of polysulfone membranes has been modified using the fluorine chemicals, PFPA (pentafluoropropionic anhydride F.W.=310.05) and TFI (Trideca-fluoro-8-idoctane, F.W.=474.0), based on Friedel-Crafts reaction mechanism with varying reaction temperatures, reaction time, and catalysis types. The resulting membranes were characterized through the analysis of ESCA, contact angle measurement and pure water permeability. And the modified PS membranes were exposed to gases of O-2, N-2, and CO2 to measure the permeation rates and ideal separation factors. In addition, the diffusivities and solubilities of individual gases were measured.
引用
收藏
页码：299 / 304
页数：6
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