Nanotube self-assembly of a styrene and maleimide alternating copolymer

被引：26
作者：
Lazzara, Thomas D. [2 ]
van de Ven, Theo G. M. [1 ]
Whitehead, M. A. [2 ]
机构：
[1] McGill Univ, Dept Chem, Pulp & Paper Res Ctr, Montreal, PQ H3A 2A7, Canada
[2] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada
来源：
MACROMOLECULES | 2008年 / 41卷 / 18期
关键词：
D O I：
10.1021/ma800926a
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The self-assembly of poly(styrene-alt-dimethyl-N,N-propylamide) (SMI) polymers into nanotubes was studied using semiempirical PM3 calculations. Ordered polymer self-assembly results from pi-stacking of styrenes and van der Waals interactions between the maleimide chains. Every styrene, and half of the maleimide chains, in a racemo-di-isotactic SMI polymer form pi-stacks and chain-chain pairs with neighboring racemo-di-isotactic polymer. Racemo-di-isotactic polymers in bent associations form a minimum-energy nanotube structure. Nanorods were observed experimentally with diameters of similar to 5 nm.
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收藏
页码：6747 / 6751
页数：5
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