Polymerization of acrylate monomers by Iron(II) complexes bearing bis(imido)pyridyl or phosphine ligands

被引：9
|
作者：
Castro, PM [1 ]
Lankinen, MP [1 ]
Uusitalo, AM [1 ]
Leskelä, M [1 ]
Repo, T [1 ]
机构：
[1] Univ Helsinki, Dept Chem, Inorgan Chem Lab, FIN-00014 Helsinki, Finland
来源：
MACROMOLECULAR SYMPOSIA | 2004年 / 213卷
关键词：
acrylate monomers; bis(imido)pyridyl ligand; methylaluminoxane; organometallic catalysts; phosphine ligand; transition metal chemistry;
D O I：
10.1002/masy.200450919
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Iron(II) complexes bearing bis(imido)pyridyl or phosphine ligand were used for the polymerization of tert-butylacrylate and other (meth)acrylates after activation with methylaluminoxane. Phosphine based catalysts turned to be more active than the bis(imido)pyridyl ones. tert-Butylacrylate was the best polymerized monomer, while methylmethacrylate was slowly converted to poly(methylmethacrylate) and no activity was observed in the polymerization of styrene. Influence of the MAO to complex ratio was investigated and kinetics studies were conducted. Based on these results, a schematic representation of the polymerization mechanism was proposed.
引用
收藏
页码：199 / 208
页数：10
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