Synthesis of amphiphilic tri-block copolymerpoly（vinylpyrrolidone）-b-poly（methyl methacrylate）-b-poly（vinylpyrrolidone） for the modification of polyethersulfone membrane

Synthesis of amphiphilic tri-block copolymerpoly（vinylpyrrolidone）-b-poly（methyl methacrylate）-b-poly（vinylpyrrolidone） for the modification of polyethersulfone membrane

Well-defined amphiphilic tri-block copolymer PVP-b-PMMA-b-PVP was prepared for the first time via successive reversible addition fragmentation chain transfer（RAFT） polymerization using carboxyl-terminated trithiocarbonate as the RAFT agent.The structure of the copolymer was characterized using FTIR,...

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Veröffentlicht in:Chinese chemical letters 2011, Vol.22 (3), p.370-373
1. Verfasser: Sheng Qiang Nie Fen Ran Chao He Peng Fei Zhao Xiao Hong Wei Jie Li Chang Sheng Zhao
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Sprache:eng
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三嵌段共聚物
两亲性
乙烯基
吡咯烷酮
聚甲基丙烯酸甲酯
聚醚砜
聚（甲基丙烯酸甲酯）
膜改性
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description Well-defined amphiphilic tri-block copolymer PVP-b-PMMA-b-PVP was prepared for the first time via successive reversible addition fragmentation chain transfer（RAFT） polymerization using carboxyl-terminated trithiocarbonate as the RAFT agent.The structure of the copolymer was characterized using FTIR,GPC and ~1H NMR.The block copolymer could be directly blended with polyethersulfone（PES） as a macromolecule additive using N-methyl-2-pyrrolidone（NMP） as the solvent to prepare membranes. The water contact angles for the modified membranes decreased obviously,and therefore,the protein adsorption amount on the membrane surface decreased.
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The water contact angles for the modified membranes decreased obviously,and therefore,the protein adsorption amount on the membrane surface decreased.</abstract></addata></record>
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source Elsevier ScienceDirect Journals; Alma/SFX Local Collection
subjects 三嵌段共聚物
两亲性
乙烯基
吡咯烷酮
聚甲基丙烯酸甲酯
聚醚砜
聚（甲基丙烯酸甲酯）
膜改性
title Synthesis of amphiphilic tri-block copolymerpoly（vinylpyrrolidone）-b-poly（methyl methacrylate）-b-poly（vinylpyrrolidone） for the modification of polyethersulfone membrane
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