Dewetting instability during the formation of polymersomes from block-copolymer-stabilized double emulsions

被引：143

作者：

Hayward, RC

Utada, AS

Dan, N

Weitz, DA ^{[1
]}

机构：

[1] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA

[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[3] Drexel Univ, Dept Chem & Biol Engn, Philadelphia, PA 19104 USA

来源：

LANGMUIR | 2006年 / 22卷 / 10期

关键词：

D O I：

10.1021/la060094b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We investigate the formation of polymer vesicles, or polymersomes, of polystyrene-block-poly(ethylene oxide) diblock copolymers using double emulsion droplets of controlled architecture as templates. To engineer the structure of the polymersomes, it is important to consider the concentration of diblock copolymer in the middle phase of the double emulsion. We describe how the presence of excess polymer can induce a transition from complete wetting to partial wetting of the middle phase, resulting in polymer shells with inhomogeneous thicknesses.

引用

页码：4457 / 4461

页数：5

共 39 条

[1] EXCLUDED-VOLUME EFFECTS ON THE MEAN-SQUARE RADIUS OF GYRATION OF OLIGOSTYRENES AND POLYSTYRENES IN DILUTE-SOLUTIONS [J].