Self-Assembly and pH-Responsiveness of ABC Miktoarm, Star Terpolymers

被引：34

作者：

Van Butsele, K. ^{[1
]}

Fustin, C. A. ^{[2
]}

Gohy, J. F. ^{[2
]}

Jerome, R. ^{[1
]}

Jerome, C. ^{[1
]}

机构：

[1] Univ Liege, Ctr Educ & Res Macromol, B-4000 Liege, Belgium

[2] Univ Catholique Louvain, Unite CMAT, B-1348 Louvain, Belgium

来源：

LANGMUIR | 2009年 / 25卷 / 01期

关键词：

AMPHIPHILIC BLOCK-COPOLYMERS; MULTICOMPARTMENT MICELLES; DIBLOCK COPOLYMERS; JANUS MICELLES; AQUEOUS-MEDIA; DEPENDENT MICELLIZATION; TRIBLOCK COPOLYMERS; POLYMERIC MICELLES; WATER; OXIDE);

D O I：

10.1021/la802469c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This work deals with the self-assembly in water of ABC miktoarm star terpolymers consisting of hydrophobic poly(E-caprolactone), hydrophilic poly(ethylene oxide) (PEO), and pH-sensitive poly(2-vinylpyridine) (P2VP). A variety of experimental techniques were used, including dynamic light scattering, transmission electron microscopy, and zeta potential. Special attention was paid to the pH dependency of the supramolecular self-assemblies. A key observation is the capability of the miktoarm terpolymers to form micelles stable over the whole range of pH, although a transition was observed from neutral to highly positively charged nanoobjects upon decreasing pH.

引用

页码：107 / 111

页数：5

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