THE SYNTHESIS OF AMPHIPHILIC DIBLOCK COPOLYMER PS-b-PAA AND ITS MORPHOLOGY,NANO-SIZE AGGREGATE FORMATION IN SOLUTIONS

YUE Ling; ZHANG Xiaohong; WU Shikang

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THE SYNTHESIS OF AMPHIPHILIC DIBLOCK COPOLYMER PS-b-PAA AND ITS MORPHOLOGY,NANO-SIZE AGGREGATE FORMATION IN SOLUTIONS

Research Article | 更新时间：2021-03-19

- THE SYNTHESIS OF AMPHIPHILIC DIBLOCK COPOLYMER PS-b-PAA AND ITS MORPHOLOGY,NANO-SIZE AGGREGATE FORMATION IN SOLUTIONS
- Acta Polymerica Sinica Issue 2, Pages: 236-239(2004)
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- Published：20 April 2004，
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YUE Ling, ZHANG Xiaohong, WU Shikang. THE SYNTHESIS OF AMPHIPHILIC DIBLOCK COPOLYMER PS-b-PAA AND ITS MORPHOLOGY,NANO-SIZE AGGREGATE FORMATION IN SOLUTIONS. [J]. Acta Polymerica Sinica (2):236-239(2004)
DOI：

YUE Ling, ZHANG Xiaohong, WU Shikang. THE SYNTHESIS OF AMPHIPHILIC DIBLOCK COPOLYMER PS-b-PAA AND ITS MORPHOLOGY,NANO-SIZE AGGREGATE FORMATION IN SOLUTIONS. [J]. Acta Polymerica Sinica (2):236-239(2004) DOI：

摘要

采用了ATRP方法合成了由苯乙烯及丙烯酸组成的两亲两嵌段共聚物PS-b-PAA

对它们的结构组成进行了详细表征 .用荧光探针方法以二甲基氨基黄酮类化合物为探针测定了这类两亲高分子化合物的类胶束形成时的临界浓度 .并对它们所形成的特殊胶束形态通过电镜观察

清楚的看到在纳米线条形成过程中由纳米小球向纳米线的转变.

Abstract

Atomic transfer radical polymerization (ATRP) was used for the preparation of an amphiphilic di-block copolymer——polystyrene-b-poly(acrylic acid) (PS-b-PAA)．The structure and composition of the copolymer have been characterized carefully by 1H-NMR

IR and GPC In order to determine the critical concentration of polymeric micell formation (CMC) a dimethyl amino flavone derivative was used as a fluorescence probe for detection of the critical concentration of the copolymer in solutions．The morphology of polymeric micen formed was studied by electronic microscope．A clear transformation from nano-spherical to nano-wire has been observed．

关键词

ATRP两亲两嵌段共聚物荧光探针胶束形成临界浓度纳米线

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