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中文摘要：
通过原子转移自由基聚合技术（Atom Transfer Radical Polymerization，ATRP）合成聚乙二醇单甲醚／聚甲基丙烯酸甲酯（MPEG-b-PMMA）两亲性嵌段共聚物，运用傅立叶变换红外光谱（FT-IR）、核磁共振氢谱（^1H-NMR）及凝胶渗透色谱（GPC）对所合成的两亲性嵌段共聚物进行表征。然后，将所合成的MPEG-b-PMMA两亲性嵌段共聚物与聚偏氟乙烯（PVDF）进行溶液共混，通过浸没沉淀相转化法制备MPEG-b-PMMA／PVDF共混超滤膜。膜性能测试结果表明：与PVDF膜相比，MPEG-b-PMMA／PVDF共混膜的亲水性、抗污染性、纯水通量及BSA截留率等性能均得到明显提高．
英文摘要：
MPEG-b-PMMA amphiphilic block copolymers were successfully synthesized via atom transfer radical polymerization （ATRP） technique, the resulting polymers were characterized by Fr-IR, ^1H-NMR and GPC. And then, the obtained amphiphilic block copolymers were blend with PVDF to fabricate modified PVDF ultra-filtration membranes. Those modified membranes displays enhanced hydrophilicity and fouling-resistance performance compared with neat PVDF membrane and have improved water flux and BSA rejection ratio.
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