Poly(ferrocenyisilane-block-methacrylates) via sequential anionic and atom transfer radical polymerization

被引:24
|
作者
Korczagin, I [1 ]
Hempenius, MA [1 ]
Vancso, GJ [1 ]
机构
[1] Univ Twente, MESA & Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
关键词
D O I
10.1021/ma0358172
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A route to 2-bromoisobutyryl end-functionalized poly(ferrocenyldimethylsilane), allowing essentially quantitative end-capping was discussed. Following the formation of the organometallic block by anionic polymerization, a ruthenium-mediated controlled radical polymerization of methyl methacrylate was employed to grow the second block. Well-defined PFS-b-PMMA block copolymers with low polydispersities and controlled compositions were obtained. The use of atom transfer radical polymerization (ATRP) to form the second block implies that a wide variety of (meth)acrylic and other vinyl monomers can be used, which opens the way to novel hybrid organic-organometallic block copolymers and amphiphilic organometallic block copolymers.
引用
收藏
页码:1686 / 1690
页数:5
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