Synthesis of a well-defined anthracene-labelled polystyrene by atom-transfer radical polymerization

被引:30
|
作者
Ohno, K [1 ]
Fujimoto, K [1 ]
Tsujii, Y [1 ]
Fukuda, T [1 ]
机构
[1] Kyoto Univ, Inst Chem Res, Uji 611, Japan
关键词
anthracene-labelled polystyrene; atom-transfer radical polymerization; bifunctional initiator;
D O I
10.1016/S0032-3861(98)00289-4
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 atom-transfer radical polymerization of styrene was carried out in bulk at 110 degrees C with a newly synthesized bromine-containing anthracene derivative, 9,10-bis(1-bromoethylcarbalkoxymethyl)an (ANTDBr), as a bifunctional initiator and a cuprous bromide complex Cu(I)Br/2dHbipy (dHbipy = 4,4'-di-n-heptyl-2,2'-bipyridine). g.p.c. and n.m.r. studies revealed that the initiation efficiency of ANTDBr is 100% and the polymerization proceeds in a controlled fashion, providing low-polydispersity polystyrenes with one anthracene chromophore in the middle of the main chain. This success opens up a new route to well-defined anthracene-labelled polymers including random and/or block copolymers, which will be useful as probe polymers to study, e.g., local chain dynamics by the fluorescence depolarization technique. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:759 / 763
页数:5
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