Layer-by-layer assembled janus microcapsules

被引：104

作者：

Li, ZF

Lee, DY

Rubner, MF

Cohen, RE

机构：

[1] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

[2] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

[3] MIT, Dept Chem Engn, Cambridge, MA 02139 USA

来源：

MACROMOLECULES | 2005年 / 38卷 / 19期

关键词：

D O I：

10.1021/ma0513012

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Asymmetrically functionalized hollow microcapsules were obtained by extracting the core polystyrene (PS) particles from the interior of the Janus microparticles. 5.6 μm amine-functionalized PS particles were coated with 4.5 bilayers of hydrogen-bonded multilayers at pH 3.0. It was demonstrated that asymmetrically functionalized microparticles and hollow microcapsules can be produced by first coating the particles with cross-linked hydrogen-bonded multilayers followed by polymer-on-polymer stamping. The asymmetric outermost layer was further functionalized by attaching other polymers on one hemisphere of the particles.

引用

页码：7876 / 7879

页数：4