Improved Antifouling Property of PES Ultrafiltration Membranes Using Additive of Silica-PVP Nanocomposite

被引：189
作者：
Sun, Mengping [1 ]
Su, Yanlei [1 ]
Mu, Chunxia [1 ]
Jiang, Zhongyi [1 ]
机构：
[1] Tianjin Univ, Key Lab Green Technol, Minist Educ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2010年 / 49卷 / 02期
关键词：
POLYETHERSULFONE; PROTEIN; PERFORMANCE; REDUCTION;
D O I：
10.1021/ie900560e
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
To improve the surface coverage of polyvinylpyrrolidone (PVP) on membrane surfaces and further enhance the antifouling property, silica-PVP nanocomposite was synthesized and used as a novel hydrophilic additive to modify polyethersulfone (PES) membranes. Transmission electron microscopy (TEM) observation showed that PES membranes, using additives of PVP and silica-PVP nanocomposites, have similar asymmetric Structures. X-ray photoelectron spectroscopy (XPS) measurement indicated that the near-surface coverage of PVP for PES membrane with a silica-PVP nanocomposite additive is greater than that with a PVP additive. Protein Ultrafiltration experiment also showed that the antifouling ability of PES membrane with a silica-PVP nanocomposite additive is stronger than that with a PVP additive. The hydrophilic modification with a silica-PVP nanocomposite is all appropriate method for improved antifouling property of PES Ultrafiltration membranes.
引用
收藏
页码：790 / 796
页数：7
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