Synthesis of acrylate and methacrylate block copolymers using atom transfer radical polymerization

被引:324
|
作者
Shipp, DA [1 ]
Wang, JL [1 ]
Matyjaszewski, K [1 ]
机构
[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA
关键词
D O I
10.1021/ma981033q
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 synthesis of di- and triblock copolymers, involving methyl methacrylate (MMA), butyl acrylate, and methyl acrylate, using copper-based atom transfer radical polymerization (ATRP) is reported. It was found that poly(MMA) macroinitiator is able to initiate the ATRP of acrylic monomers. However, for polyacrylates to effectively initiate the ATRP of MMA, the end group should be a bromine atom and the catalyst CuCl; that is, halogen exchange should take place. ABA-type triblock copolymers, where B poly(butyl acrylate) and A = poly(methyl methacrylate), were synthesized by growing the center block first using a difunctional initiator and then adding MMA to the ends.
引用
收藏
页码:8005 / 8008
页数:4
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