Amphiphilic Diblock Copolymers with a Moderately Hydrophobic Block: Toward Dynamic Micelles

被引：61

作者：

Lejeune, Elise ^{[1
]}

Drechsler, Markus ^{[3
]}

Jestin, Jacques ^{[2
]}

Mueller, Axel H. E. ^{[3
]}

Chassenieux, Christophe ^{[1
]}

Colombani, Olivier ^{[1
]}

机构：

[1] Univ Maine, Polymeres Colloides & Interfaces UMR6120, F-72085 Le Mans, France

[2] CEA Saclay, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France

[3] Univ Bayreuth, D-95440 Bayreuth, Germany

来源：

MACROMOLECULES | 2010年 / 43卷 / 06期

关键词：

OXIDE)-POLY(PROPYLENE OXIDE)-POLY(ETHYLENE OXIDE); CHAIN EXCHANGE KINETICS; IONIC SURFACTANTS; LIGHT-SCATTERING; AQUEOUS-SOLUTION; POLYELECTROLYTE SOLUTIONS; MICELLIZATION KINETICS; TRIBLOCK COPOLYMERS; MIXED MICELLES; STYRENE OXIDE;

D O I：

10.1021/ma902822g

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A study was conducted to propose a way of transforming a frozen system into a dynamic one by acting on the chemical structure of the amphiphilic block copolymer. The approach consisted of introduction of some hydrophilic units in the hydrophobic block to reduce the interfacial tension between the moderately hydrophobic block the hydrophilic block and the aqueous medium, promoting unimer exchange. The investigation on a P(nBA-stat-AA)-b-PAA block copolymer, which was a pure poly(acrylic acid) (PAA) hydrophilic block connected to a statistical copolymer of nBA and AA units forming the moderately hydrophobic block. The investigation also focused on controlled synthesis of the P(nBA50%-stat-AA50%)99-b-PAA98 block copolymer using atom transfer radical polymerization (ATRP). This emphasized the statistical distribution of the hydrophobic (nBA) and hydrophilic (AA) units in the P(nBA50%-stat-AA50%)99 first block.

引用

页码：2667 / 2671

页数：5

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