Dual Effective Organic/Inorganic Hybrid Star-Shaped Polymer Coatings on Ultrafiltration Membrane for Bio- and Oil-Fouling Resistance

被引：61
作者：
Kim, Dong-Gyun [2 ,3 ]
Kang, Hyo [1 ]
Han, Sungsoo [1 ]
Lee, Jong-Chan [2 ,3 ]
机构：
[1] Samsung Elect Co Ltd, Samsung Adv Inst Technol, Energy Lab, Gyeonggi Do 446712, South Korea
[2] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151742, South Korea
[3] Seoul Natl Univ, Inst Chem Proc, Seoul 151742, South Korea
来源：
ACS APPLIED MATERIALS & INTERFACES | 2012年 / 4卷 / 11期
关键词：
surface modification; organic/inorganic hybrid materials; star-shaped polymers; membranes; antifouling; WASTE-WATER TREATMENT; SURFACE; PROTEINS;
D O I：
10.1021/am301538h
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Amphiphilic organic/inorganic hybrid star-shaped polymers (SPP) were prepared by atom transfer radical polymerization (ATRP) using poly(ethylene glycol) methyl ether methacrylate (PEGMA) and 3-(3,5,7,9,11,13,15-heptacyclohexyl-pentacyclo [9.5.1.1(3,9).1(5,15).1(7,13)]-octasiloxane-1-yl)propyl methacrylate (MA-POSS) as monomers and octakis(2-bromo-2-methylpropionoxypropyldimethylsiloxy)-octasilsesquioxane (OBPS) as an initiator. Star-shaped polymers (SPM) having PEGMA and methyl methacrylate (MMA) moieties were also prepared for comparative purposes. Polysulfone (PSf) ultrafiltration membranes coated with the SPP showed higher bio- and oil-fouling resistance and flux-recovery ability than the bare PSI membrane. Moreover, the SPP-coated membranes exhibited better antifouling properties than the SPM-coated membrane when they were used for oil/water emulsion filtration. The dual effective antifouling properties of the SPP were ascribed to the simultaneous enrichment of hydrophilic PEG and hydrophobic POSS moieties on the membrane surfaces resulting in the decrease in interactions with proteins and the increase in repellence to oils.
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收藏
页码：5898 / 5906
页数：9
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