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

被引：192

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.

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收藏

页码：790 / 796

页数：7

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