Study on Synthesis of Amphiphilic PS-b-PMAA and Their Micellization

Acta Chimica Sinica ›› 2005, Vol. 63 ›› Issue (7): 631-636. Previous Articles Next Articles

Original Articles

两亲性嵌段共聚物PS-b-PMAA的合成与胶束化行为研究

华慢，杨伟，薛乔，陈明清*，刘晓亚，杨成

(江南大学化学与材料工程学院无锡 214036)

投稿日期:2004-08-06 修回日期:2004-12-08 发布日期:2010-12-10
通讯作者: 陈明清

Study on Synthesis of Amphiphilic PS-b-PMAA and Their Micellization

HUA Man, YANG Wei, XUE Qiao, CHEN Ming-Qing*, LIU Xiao-Ya, YANG Cheng

(School of Chemical and Material Engineering, Southern Yangtze University, Wuxi 214036)

Received:2004-08-06 Revised:2004-12-08 Published:2010-12-10
Contact: CHEN Ming-Qing

Abstract

Atom transfer radical polymerization (ATRP) is a kind of useful method for synthesis of block copolymers. The block copolymers of poly(styrene)-block-poly(tert-butyl methacrylate) (PS-b-PtBMA) were synthesized by ATRP method. Then the amphiphilic block copolymers of poly(styrene)-block-poly- (methyl acrylic acid) (PS-b-PMAA) were obtained by hydrolysis from PS-b-PtBMA copolymers in HCl solution. Furthermore, the copolymer products were characterized by using GPC, FTIR and ¹H NMR. Various factors that influence micellization of amphiphilic block copolymers and their morphologies were investigated by using the dynamic laser light scattering and transmission electron microscope. The formation mechanism of the micelle was investigated. It was found that the hollow spherical micelles were obtained by only controlling the length ratio of hydrophilic block PMAA to hydrophobic block PS.

Key words: atom transfer radical polymerization, amphiphilic block copolymer, micellization, hollow spherical micelle

Cite this article

HUA Man, YANG Wei, XUE Qiao, CHEN Ming-Qing*, LIU Xiao-Ya, YANG Cheng. Study on Synthesis of Amphiphilic PS-b-PMAA and Their Micellization[J]. Acta Chimica Sinica, 2005, 63(7): 631-636.

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两亲性嵌段共聚物PS-b-PMAA的合成与胶束化行为研究

Study on Synthesis of Amphiphilic PS-b-PMAA and Their Micellization

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