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

被引：21

作者：

Nie, Sheng Qiang ^{[1
]}

Ran, Fen ^{[1
,2
]}

He, Chao ^{[1
]}

Zhao, Peng Fei ^{[1
]}

Wei, Xiao Hong ^{[2
]}

Li, Jie ^{[1
]}

Zhao, Chang Sheng ^{[1
]}

机构：

[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

[2] Lanzhou Univ Technol, State Key Lab Gansu Adv Non Ferrous Met Mat, Lanzhou 730050, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2011年 / 22卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Polyethersulfone membrane; Protein adsorption; Surface modification; PVP-b-PMMA-b-PVP; SURFACE MODIFICATION; RAFT; STABILITY; POLYMERS; CELLS;

D O I：

10.1016/j.cclet.2010.10.017

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 H-1 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. (C) 2010 Chang Sheng Zhao. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

引用

页码：370 / 373

页数：4

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