Block-Copolymer-Mediated Nanoparticle Dispersion and Assembly in Polymer Nanocomposites

被引：45
|
作者：
Jouault, Nicolas [1 ]
Lee, Danmi [1 ]
Zhao, Dan [1 ]
Kumar, Sanat K. [1 ]
机构：
[1] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA
来源：
ADVANCED MATERIALS | 2014年 / 26卷 / 24期
基金：
美国国家科学基金会;
关键词：
nanocomposite; block copolymer; self-assembly; GRAFTED NANOPARTICLES; ADSORPTION; MORPHOLOGY; PARTICLES; SURFACES; SYSTEMS;
D O I：
10.1002/adma.201305641
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A individual nanoparticle (NP) dispersion in polymer nanocomposites has been obtained through the adsorption of PSbP2VP block copolymer (BCP) at the NPs' surface in solution. The adsorbed block increases the minimum inter-NP distance, while the non-adsorbed block has favourable entropy of mixing with the matrix polymer with the same chemical structure. Physical adsorption of BCP provides a simple, robust means of organizing NPs in a chemically unfavourable polymer. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：4031 / 4036
页数：6
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